WO2009069820A1 - 有機エレクトロルミネッセンス素子及びその製造方法 - Google Patents
有機エレクトロルミネッセンス素子及びその製造方法 Download PDFInfo
- Publication number
- WO2009069820A1 WO2009069820A1 PCT/JP2008/071997 JP2008071997W WO2009069820A1 WO 2009069820 A1 WO2009069820 A1 WO 2009069820A1 JP 2008071997 W JP2008071997 W JP 2008071997W WO 2009069820 A1 WO2009069820 A1 WO 2009069820A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- group
- compound
- atom
- anode
- formula
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 0 CCCC1C(*)(*)C2C(C(*)C(C)C(*)C3*)=C3O[C@@]2C(*)C(*)C1C Chemical compound CCCC1C(*)(*)C2C(C(*)C(C)C(*)C3*)=C3O[C@@]2C(*)C(*)C1C 0.000 description 24
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/10—Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/14—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/17—Carrier injection layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/10—Organic polymers or oligomers
- H10K85/111—Organic polymers or oligomers comprising aromatic, heteroaromatic, or aryl chains, e.g. polyaniline, polyphenylene or polyphenylene vinylene
- H10K85/115—Polyfluorene; Derivatives thereof
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/10—Organic polymers or oligomers
- H10K85/141—Organic polymers or oligomers comprising aliphatic or olefinic chains, e.g. poly N-vinylcarbazol, PVC or PTFE
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/30—Coordination compounds
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/30—Coordination compounds
- H10K85/341—Transition metal complexes, e.g. Ru(II)polypyridine complexes
- H10K85/342—Transition metal complexes, e.g. Ru(II)polypyridine complexes comprising iridium
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/30—Coordination compounds
- H10K85/351—Metal complexes comprising lanthanides or actinides, e.g. comprising europium
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/615—Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/14—Macromolecular compounds
- C09K2211/1408—Carbocyclic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/14—Macromolecular compounds
- C09K2211/1408—Carbocyclic compounds
- C09K2211/1433—Carbocyclic compounds bridged by heteroatoms, e.g. N, P, Si or B
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2101/00—Properties of the organic materials covered by group H10K85/00
- H10K2101/40—Interrelation of parameters between multiple constituent active layers or sublayers, e.g. HOMO values in adjacent layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/805—Electrodes
- H10K50/81—Anodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/805—Electrodes
- H10K59/8051—Anodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/10—Organic polymers or oligomers
- H10K85/111—Organic polymers or oligomers comprising aromatic, heteroaromatic, or aryl chains, e.g. polyaniline, polyphenylene or polyphenylene vinylene
Definitions
- the present invention relates to an organic electroluminescence device and a method for producing the same.
- Organic electroluminescence (organic EL) displays are attracting attention as next-generation displays.
- organic electroluminescence element used in the organic electroluminescence display indium oxide, zinc oxide, tin oxide, and a composite thereof are used as transparent conductive electrodes that transmit light and inject holes.
- a conductive glass made of indium “tin” oxide (ITO), indium, zinc, oxide or the like is often used.
- An organic layer with good hole injection efficiency is obtained by laminating a layer containing poly (ethylenedioxythiophene) -polystyrenesulfonic acid (hereinafter referred to as “PED0T: PSS”) on the transparent conductive electrode.
- Electroluminescence elements are known (see Special Table 2 0 0 0-5 1 4 5 90).
- PSS is a strongly acidic water-soluble compound, so the workability is poor and the production of organic EL luminescence devices has not always been easy.
- An object of the present invention is to provide an organic electroluminescence device that is easy to manufacture by finding an alternative material having excellent workability.
- the first aspect of the present invention is an organic electroluminescence device having an anode, a first layer provided on the anode, a second layer containing a light emitting material, and a cathode. Is a layer provided on the anode by forming a non-treatment layer containing a compound having a reactive group with respect to a group present on the surface of the anode, and subjecting the non-treatment layer to UV ozone treatment. And an organic electroluminescence device having an average thickness of the first layer of lOnm or less.
- the present invention provides a planar light source and a display device provided with the organic electroluminescence element.
- the present invention is a method for producing an organic electroluminescent device comprising an anode, a first layer provided on the anode, a second layer containing a light emitting material, and a cathode.
- the manufacturing method of the organic electroluminescent element including the process to form is provided.
- C n to C n (m and n are positive integers satisfying m ⁇ n) means that the number of carbon atoms of the group described together with this term is! Indicates that it is! ⁇ N.
- halogen atoms include fluorine atoms, chlorine atoms, bromine atoms, iodine atoms and the like.
- An alkyl group means an unsubstituted alkyl group and an alkyl group substituted with a halogen atom, an amino group, a mercapto group, etc., a linear alkyl group and a cyclic group Includes both alkyl groups (cycloalkyl groups).
- the alkyl group may have a branch.
- the carbon number of the alkyl group is usually about 1 to 20, preferably about 1 to 15 and more preferably about 1 to 10.
- Examples of alkyl groups include methyl, ethyl, propyl, i-propyl, butyl, i_butyl, t-butyl, pentyl, hexyl, cyclohexyl, and heptinole groups.
- Octyl group 2-ethyl hexyl group, Noel group, decyl group, 3, 7-dimethyloctyl group, lauryl group, trifluoromethyl group, pentafluoro octyl group, perfluoronorolebutinore group, perfluoro hexinore group , Perfluoro-octyl group, trifluoropropyl group, tridecafluoro-1,1,2,2-tetrahydrooctyl group, heptadecafluoro-1,1,2,2-tetrahydrododecyl group, aminopropyl group, aminooctyl group , Aminodecyl group, mercaptopropyl group, mercaptooctyl group, mercaptodecyl group, etc.
- CiC alkyl group examples include a methyl group, an ethyl group, a propyl group, an i-propyl group, a butyl group, an i-butyl group, an s-butyl group, a t-butyl group, a pentyl group, an isoamyl group, Examples include hexyl group, cyclohexyl group, heptyl group, octyl group, nonyl group, decyl group, and dodecyl group.
- the alkoxy group means an unsubstituted alkoxy group and an alkoxy group substituted with a halogen atom, an alkoxy group or the like, and includes both a linear alkoxy group and a cyclic alkoxy group (cycloalkoxy group).
- the alkoxy group may have a branch.
- the number of carbon atoms of the alkoxy group is generally about 1 to 20, preferably about 1 to 15 and more preferably about 1 to 10.
- alkoxy groups include methoxy, ethoxy, propyloxy, i-propyloxy, butoxy, i-butoxy, t-butoxy, pentyloxy, hexyloxy, cyclohexyloxy, heptyloxy, Octyloxy group, 2-ethylhexyloxy group, nonyloxy group, decyloxy group, 3,7-dimethyloctyloxy group, lauryloxy group, trifluoro Lometoxy group, pentafluoroethoxy group, perfluoroleobutoxy group, perfluorohexyl group, perfluorooctyl group, methoxymethyloxy group, 2-methoxytyloxy group, etc.
- Examples of the C i C alkoxy group include a methoxy group, an ethoxy group, a propyloxy group, an i-propyloxy group, a butoxy group, an i_butoxy group, a t-butoxy group, a pentyloxy group, a hexyloxy group, and a cyclohexyloxy group.
- the alkylthio group means an unsubstituted alkylthio group and an alkylthio group substituted with a halogen atom or the like, and includes both a linear alkylthio group and a cyclic alkylthio group (cycloalkylthio group).
- the alkylthio group may have a branch.
- the alkylthio group usually has 1 to 20 carbon atoms, preferably:! ⁇ 15, more preferably about 1 ⁇ 10.
- alkylthio groups include methylthio, ethylthio, propylthio, i-pro, pyrthio, buty / retio, i-butylthio, t-butylthio, pentylthio, hexylthio, cyclohex
- Examples include xylthio group, heptylthio group, octylthio group, 2_ethylhexylthio group, nonylthio group, decylthio group, 3,7-dimethyloctylthio group, laurylthio group, and trifluoromethylthio group.
- Ji ⁇ ⁇ Alkylthio group includes, for example, methylthio group, ethylthio group, propylthio group, i-propylthio group, butylthio group, i-butylthio group, t-butylthio group, pentylthio group, hexylthio group, cyclohexylthio group, heptinoretio group Octylthio, 2-ethylhexylthio, nonylthio, decylthio, 3,7-dimethyloctylthio, and laurylthio.
- the aryl group is bonded to a carbon atom constituting an aromatic ring from an aromatic hydrocarbon.
- the remaining atomic group excluding one hydrogen atom means an unsubstituted aryl group and an aryl group substituted with a halogen atom, an alkoxy group, an alkyl group, or the like.
- the aryl group includes those having a condensed ring and those in which two or more independent benzene rings or condensed rings are bonded via a single bond or a divalent group, for example, an alkenylene group such as a vinylene group.
- the number of carbon atoms of the nonaryl group is usually about 6 to 60, preferably about 7 to 48, and more preferably about 7 to 30.
- the aryl group includes phenyl, ⁇ C 1 2 alkoxyphenyl, Ci C ⁇ alkylphenyl, 1_naphthyl, 2_naphthyl, 1_anthracenyl, 2_anthracenyl, 9 _Anthracenyl group, pentafluorophenyl group, etc.
- ⁇ Alkoxyphenyl groups, CiC ⁇ alkylphenyl groups are preferred.
- C! C ⁇ alkoxyphenyl groups include methoxyphenyl, ethoxyphenyl, propyloxyphenyl, i-propyloxyphenyl, butoxyphenyl, i-butoxyphenyl, t- Butoxyphenenyl group, pentyloxyphenyl group, hexyloxyphenyl group, cyclohexenyloxyphenyl group, heptinoreoxyphenylinole group, octinoleoxyphenyl group, 2-ethylhexyloxy group
- Examples include phenyl group, noeroxyphenyl group, decyloxyphenyl group, 3,7-dimethyloctyloxyphenyl group, lauryloxyphenyl group, and the like.
- C 1 -C 12 alkyl phenyl groups include methyl phenyl group, ethyl phenyl group, dimethyl phenyl group, propyl phenyl group, mesitinore group, methyl ethynole phenyl group, i-propyl Phenyl group, butylphenyl group, i-butylphenyl group, t-butylphenyl group, pentylphenyl group, isoaminophenyl group, hexylphenyl group, heptylphenyl group, octylphenyl group, nonylphenyl group, decylphenyl group Group, dodecylphenyl group and the like.
- the aryloxy group means an unsubstituted aryloxy group and an aryloxy group substituted with a halogen atom, an alkoxy group, an alkyl group or the like.
- the carbon number of the aryloxy group is usually about 6 to 60, preferably about 7 to 48, and more preferably about 7 to 30. Examples include phenoxy groups,
- alkylphenoxy group is preferred.
- C 1 -C 1 2 alkoxyphenoxy groups include methoxyphenoxy, ethoxyphenoxy, propyloxyphenoxy, i-propyloxyphenoxy, butoxyphenoxy, i-butoxyv Enoxy group, t-butoxyphenoxy group, pentyloxyphenoxy group, hexyloxyphenoxy group, cyclohexyloxyphenoxy group, heptyloxyphenoxy group, octyloxyphenoxy group, 2- Examples include ethylhexyloxyphenoxy group, nonyloxyphenoxy group, decyloxyphenoxy group, 3,7-dimethyloctyloxyphenoxy group, lauryloxyphenoxy group, and the like.
- C i C alkylphenoxy groups include methylphenoxy group, ethylphenoxy group, dimethylphenoxy group, propylphenoxy group, 1,3,5-trimethylphenoxy group, methylethylphenoxy group I-propylphenoxy group, butylphenoxy group, i-butylphenoxy group, tert-butylphenoxy group, pentynolephenoxy group, isoamylphenoxy group, hexylphenoxy group, heptylphenoxy group, octylphenoxy group, no Examples include a urphenoxy group, a decylphenoxy group, and a dodecylphenoxy group.
- An arylothio group means an unsubstituted arylothio group and an arylothio group substituted with a halogen atom, an alkoxy group, an alkyl group or the like.
- the carbon number of the arylo group is generally about 6 to 60, preferably about 7 to 48, and more preferably about 7 to 30.
- arylalkyl group means an unsubstituted arylalkyl group and an arylalkyl group substituted with a halogen atom, an alkoxy group, an alkyl group or the like.
- the carbon number of the arylalkyl group is usually about 7 to 60, preferably about 7 to 48, and more preferably about 7 to 30.
- Li one Norearukiru group, phenyl one C! C ⁇ Anorekiru group, Cj C alkoxy phenylalanine one C, -C 12 alkyl group, Ji Ci ⁇ C 12 alkyl phenyl one! ⁇ Ji alkyl group, 1-naphthyl - C 1 -C 12 alkyl group, 2-naphthyl one Ci C alkyl group and the like.
- An aryloxy group means an unsubstituted arylaryl group and an arylalkyl group substituted with a halogen atom, an alkoxy group, an alkyl group or the like.
- the carbon number of the arylalkoxy group is usually about 7 to 60, preferably about 7 to 48, and more preferably about 7 to 30.
- arylalkoxy groups are phenyl and CiC alkoxy groups, same! ⁇ Ji Alkoxyphenyl! ⁇ Alkoxy group, same, ⁇ . ⁇ Alkylphenyl! ⁇ Ji alkoxy group, 1 _ naphthyl - -C 12 alkoxy group, Ji 2-naphthyl mono-, ⁇ . An alkoxy group etc. are mentioned.
- the arylalkylthio group includes an unsubstituted arylalkylthio group and an arylalkylthio group substituted with a halogen atom, an alkoxy group, an alkyl group, or the like.
- ⁇ means a group.
- the carbon number of the arylalkylthio group is usually about 7 to 60, preferably about 7 to 48, and more preferably about 7 to 30.
- Ariruaruki thio group phenylene Lou -C 12 alkylthio group, C 1 -C 12 alkoxy phenylalanine - -C 12 alkylthio group, C, -C 12 Arukirufue sulfonyl one C 1 -C 12 Arukinorechio group, 1- Naphthil, ⁇ . ⁇ Alkynorethio group, 2-naphthyl. ⁇ Alkylthio group and the like can be mentioned.
- An arylalkenyl group means an unsubstituted arylalkenyl group and an arylalkenyl group substituted with a halogen atom, an alkoxy group, an alkyl group or the like.
- the carbon number of the aryl alkenyl group is usually about 8 to 60, preferably about 8 to 48, and more preferably about 8 to 30. Examples include phenylene Le - C 2 -C 12 alkenyl group, Ji ⁇ Ji Arukokishifue - Lou C 2 -C 12 ⁇ alkenyl group, Ji!
- Examples of the C 2 to C 12 alkenyl group include a bur group, a 1-propenyl group, a 2-propenyl group, a 1_butenino group, a 2-butenyl group, a 1-pentenyl group, and a 2-pentul group.
- An aryl alkynyl group means an unsubstituted aryl alkynyl group and an aryl alkynyl group substituted with a halogen atom, an alkoxy group, an alkyl group or the like.
- the carbon number of the aryl alkynyl group is usually about 8 to 60, preferably about 8 to 48, and more preferably about 8 to 30.
- Examples include phenyl C 2 -C 12 alkynyl groups! ⁇ Alkoxy phenyl C 2 ⁇ C 12 alkynyl group, ⁇ , ⁇ . ,?
- Alkylphenyl_C 2 -C alkynyl 1— Naphthyl - C 2 -C 12 alkynyl group, 2-naphthyl - C 2 -C 12 alkynyl groups and the like, Ci ⁇ C 12 alkoxy phenylalanine - C 2 -C 12 alkynyl group, Omicron, ⁇ alkylphenyl one C 2 to C 12 alkynyl groups are preferred.
- the C 2 -C 12 alkynyl group for example, Echiniru group, 1-Puropini group, 2-propynyl group, 1-Buchuru group, 2-Buchuru group, 1-pentynyl group, 2 _ pentynyl group, 1 _ to Examples include Kishnole group, 2-hexynyl group, and 1-octynyl group.
- a monovalent heterocyclic group is a remaining atomic group obtained by removing one hydrogen atom from a heterocyclic compound, and is a monovalent substituted with a substituent such as an unsubstituted monovalent heterocyclic group or an alkyl group.
- a heterocyclic group of The carbon number of the monovalent heterocyclic group is usually 4 to 60, preferably 4 to 30, more preferably about 4 to 20, excluding the carbon number of the substituent.
- the heterocyclic compound is an organic compound having a cyclic structure, and as an element constituting the ring, not only a carbon atom but also an oxygen atom, a sulfur atom, a nitrogen atom, a phosphorus atom, a boron atom, or a silicon atom.
- Selenium atom, tellurium atom, arsenic atom and other heteroatoms examples include a chenyl group, a Ci C alkyl enyl group, a pyrrolyl group, a furyl group, a pyridyl group, a Ci C alkyl pyridyl group, a pyridazinyl group, a pyrimidyl group, a birazinyl group, and a triazinyl group.
- pyrrolidyl group piperidyl group, quinolyl group, and a isoquino Lil groups, among others Choi two Le group, C 1 -C 12 alkyl chain group, pyridyl group, the Ci C Arukirupi lysyl group.
- the heterocyclic thio group means a group in which a hydrogen atom of a mercapto group is substituted with a monovalent heterocyclic group.
- the heterocyclic thio group include a hetero thio group such as a pyridylthio group, a pyridazinylthio group, a pyrimidylthio group, a pyragelthio group, and a triazinylthio group.
- the amino group is an unsubstituted amino group and an amino group substituted with one or two substituents selected from an alkyl group, an aryl group, an arylalkyl group and a monovalent heterocyclic group (hereinafter referred to as a substituted amino group).
- the substituent may further have a substituent (hereinafter sometimes referred to as a secondary substituent).
- the carbon number of the substituted amino group is usually 1 to 60, preferably 2 to 48, more preferably about 2 to 40, not including the carbon number of the secondary substituent.
- Examples of the substituted amino group include methylamino group, dimethylamino group, ethylamino group, jetylamino group, propylamino group, dipropylamino group, isopropylamino group, diisopropylamino group, butylamino group, isobutylamino group, and s-butylamino group.
- the silyl group includes an unsubstituted silyl group and a silyl group substituted with 1, 2 or 3 substituents selected from an alkyl group, an aryl group, an arylalkyl group and a monovalent heterocyclic group (hereinafter referred to as a substituted silyl group). Means).
- the substituent may have a secondary substituent.
- the carbon number of the substituted silyl group is usually 1 to 60, preferably 3 to 48, and more preferably about 3 to 40, not including the carbon number of the secondary substituent.
- the substituted silyl group include a trimethylsilyl group, a triethylsilyl group, a triprovirsilyl group, a triisopropylpropyl group, a dimethylisopropylsilyl group, a jetyl isopropylsilyl group, a t-butylsilyldimethylsilyl group, and a pentyldimethylsilyl group.
- acyl group means an unsubstituted acyl group and an acyl group substituted with a halogen atom or the like.
- the number of carbon atoms in the isyl group is usually about 1 to 20, preferably about 2 to 18, and more preferably about 2 to 16.
- the acyl group include a formyl group, an acetyl group, a propionyl group, a butyryl group, an isobutyryl group, a bivaloyl group, a benzoinole group, a trifluoronoroleoacetylino group, and a pentafluorobenzoyl group. It is done.
- the acyloxy group means an unsubstituted acyloxy group and an acyloxy group substituted with a halogen atom or the like.
- the number of carbon atoms of the acyloxy group is usually about 1 to 20, preferably about 2 to 18, and more preferably about 2 to 16.
- the acyloxy group include a formyloxy group, acetoxy group, a propionyloxy group, a butyryloxy group, an isobutyryloxy group, a bivalyloxy group, a benzoyloxy group, a trifluoroacetyloxy group, and a pentafluorobenzoyloxy group.
- an imine compound for example, a hydrogen atom bonded to a nitrogen atom in aldimine, ketimine and aldimine is substituted with an alkyl group, an aryl group, an aryl alkyl group, an aryl alkenyl group, an aryl alkynyl group, or the like.
- the number of carbon atoms of the imine residue is usually about 2 to 20, preferably about 2 to 18, and more preferably about 2 to 16.
- R ′ ′ When two R ′ ′ are present, the two R ′ ′ are bonded to each other to form a divalent group such as an ethylene group, a trimethylene group, a tetramethylene group, a pentamethylene group, a hexamethylene group.
- a ring may be formed as an alkylene group having 2 to 18 carbon atoms such as, and the like. Examples of imine residues include groups represented by the following structural formulas.
- the amide group means an unsubstituted amide group and an amide group substituted with a halogen atom or the like.
- the carbon number of the amide group is usually about 2 to 20, preferably about 2 to 18, more preferably about 2 to 16.
- the amide group include formamide group, acetoamide group, propioamide group, petit-mouth amide group, benzamide group, trifoleoloacetamide group, pentafluo-mouth benzamide group, dihonolemamide. Group, diacetamide group, dipropioamide group, dibutyroamide group, dibenzamide group, ditrifluoroacetamide group, dipentafluorobenzamide group.
- the acid imido group means a residue obtained by removing the hydrogen atom bonded to the nitrogen atom from the acid imido.
- the number of carbon atoms of the acid imide group is generally about 4 to 20, preferably about 4 to 18, and more preferably about 4 to 16. As an acid group For example, the group shown below is mentioned.
- the carboxyl group is an unsubstituted carboxyl group or a carboxyl group substituted with a substituent such as an alkyl group, aryl group, aryl alkyl group, or monovalent heterocyclic group. It means a boxyl group (hereinafter referred to as a substituted carboxyl group).
- the substituent may have a secondary substituent.
- the carbon number of the substituted carboxyl group is usually 1 to 60, preferably 2 to 48, more preferably about 2 to 45, not including the carbon number of the secondary substituent.
- Examples of the substituted carboxyl group include a methoxycarbonyl group, an ethoxycarbonyl group, a propoxycarbonyl group, an isopropoxycarbonyl group, a butoxycarbonyl group, an isobutoxycarbonyl group, an s-butoxycarbonyl group, a t-butoxycarbonyl group, Pentyloxycarbonyl group, hexyloxycarbonyl group, cyclohexyloxycarbonyl group, heptyloxycarbonyl group, octyloxycarbonyl Bonyl group, 2_ethylhexyloxycarbonyl group, nonyloxycarbonyl group, deoxyxycarbonyl group, 3,7-dimethyloctyl / reoxycarbonyl group, dodecyl / reoxycarbonyl group, trifluoromethoxycarbonyl group, pentafur Examples include fluoroethoxycarbonyl group, perfluorole
- the first layer in the present invention (usually an organic layer) has a reactive group for the group present on the surface of the anode (including atoms present on the surface of the anode; hereinafter the same). It is a layer provided on the anode by forming a non-treated layer (usually a non-treated organic layer) containing a compound and subjecting the non-treated layer to UV ozone treatment.
- a non-treated layer usually a non-treated organic layer
- a coupling agent composed of an organic molecule and an organic molecule, for example, a silane compound, a titanium compound, a germanium compound, a tin compound, an aluminum compound.
- a compound having a reactive group with respect to a group present on the surface of the anode (usually, From the viewpoint of applicability, it preferably has a compound represented by the following formula (1) and a partially hydrolyzed condensate thereof, and a monovalent group represented by the following formula (2) It is at least one compound selected from the group consisting of a compound and its partial hydrolysis condensate, and a compound represented by the following formula (3) and its partial hydrolysis condensate.
- M 1 represents a metal atom belonging to Group 4, Group 5, Group 6, Group 13 or Group 15 of the periodic table, or a carbon atom, a germanium atom, a tin atom, or a lead atom.
- M 2 represents a metal atom belonging to Group 4, Group 5, Group 6, Group 13, Group 14, Group 14 or Group 15 of the periodic table
- X is a reactive group for the group present on the surface of the anode
- R a represents an alkyl group, an aryl group, an aryl alkyl group, an aryl alkenyl group, or an aryl alkyl group, and the group represented by Ra has a substituent.
- V 1 is an integer not less than 1 and not more than u v 2 is an integer not less than 1 and not more than u ⁇ 1.
- w is 1 or 2.
- u is M 1 or M when represents a valence of 2.
- X is be multiple exist, if they may also have be the same or different.
- R a is more exists, its N represents the degree of polymerization)
- the compound having a reactive group for the group present on the surface of the anode is preferably represented by the formula (2). And a compound having a monovalent group in which M 2 is a silicon atom and a partial hydrolysis condensate thereof, and a compound represented by the formula (3) and a partial hydrolysis condensate thereof.
- At least one compound a compound represented by the formula (1), wherein M 1 is a titanium atom and a partial hydrolysis condensate thereof; and a monovalent compound represented by the formula (2), wherein M 2 is a titanium atom Selected from the group consisting of a group-containing compound and its partially hydrolyzed condensate At least one compound.
- the compound having a reactive group for the group present on the surface of the anode may be used alone or in combination of two or more.
- the non-treated layer may contain a compound having a hole transporting ability in addition to the compound having a reactive group for the group present on the surface of the anode. These optional components may be used alone or in combination of two or more.
- the thickness of the non-treated layer is usually 0.1 to 10 mn, preferably 1.0 to 10 nm.
- the average thickness of the first layer is lOnm or less, but from the viewpoint of hole injection / transport properties, it is preferably 0.1 to 10 nm, more preferably 1.0 to 5.0 nm, and particularly preferably 1.5. ⁇ 4.5mn.
- the average thickness of the first layer exceeds lOnm, hole injection from the anode is not sufficiently performed, and the drive voltage may increase or the durability may decrease.
- it can be selected depending on the reactive group for the group present on the surface of the anode represented by X, the group or atom present on the surface of the anode.
- examples of X include a hydroxyl group, a carboxyl group, an acyl group, an acyloxy group, a halocarbonyl group (formula: C (O)-Y
- Y represents a halogen atom, and represents a group represented by the formula: one group represented by C (O) — C 1 and a group represented by formula: _C (O) — Br
- a halogen atom, an alkoxy group, an aryloxy group, an aryloxy group, a phosphoric acid group formula: a group represented by (HO) 2 P (O) _O—
- a phosphoric ester group formula: (RiO) 2 P (O) 1 0_ or formula: (I ⁇ O) (HO) P (O) -O-
- R 1 represents an alkyl group, an aryl group, an aryl alky
- Etc. are formed.
- a thin film of conductive inorganic oxide or metal is generally used, and since the surface often has a hydroxyl group, X is a group capable of reacting with the hydroxyl group. Or an atom such as a halogen atom, an alkoxy group, a phosphoric acid group, an amino group, or a hydroxyl group.
- X may react directly with groups or atoms present on the surface of the anode, but may react indirectly with other substances, and reacts directly with those that react directly. It may also serve as a reaction. If there are multiple Xs, they may be the same or different.
- M 1 represents a metal atom belonging to Group 4, Group 5, Group 6, Group 13 or Group 15 of the periodic table, or a carbon atom, a germanium atom, a tin atom, or a lead atom.
- M 1 includes titanium atoms, zirconium atoms, hafnium atoms and other group 4 metal atoms; vanadium atoms, niobium atoms, tantalum atoms and other group 5 metal atoms; chromium atoms, molybdenum atoms, tungsten atoms, etc.
- Metal atoms belonging to Group 13 such as boron, aluminum, gallium, indium, and thallium atoms
- Lin arsenic, antimony, and bismuth atoms
- Metal atoms belonging to group 15 such as germanium atom, tin atom, lead atom, etc.
- each R a independently represents an alkyl group, an aryl group, an aryl alkyl group, an aryl alkenyl group, or an aryl alkynyl group, preferably an alkyl group, an aryl group, or an aryl alkyl. Is the group.
- the group represented by R a may have a substituent. When a plurality of Ra are present, they may be the same or different.
- u represents the valence of M 1 or M 2 .
- V 1 is an integer of 1 or more and u or less, preferably an integer of 2 or more, more preferably an integer of 3 or more.
- a preferred embodiment of the present invention is an embodiment in which the reactive group present on the surface of the anode is a hydroxyl group, and M 1 in the formula (1) is a titanium atom.
- X in the formula (1) is preferably a halogen atom, an alkoxy group, a phosphoric acid group or an amino group.
- R a is preferably an alkyl group or an aryl group.
- Examples of the compound represented by the formula (1) and the partial hydrolysis condensate thereof include probitrimethoxytitanium, octyltrimethoxytitanium, amaminopropyltrimethoxytitanium, amaminodecyltrimethoxytitanium, mercapto provirtrimethoxytitanium, mercaptooctyltrimethoxytitanium, Aminoprovir triethoxytitanium, mercaptopropyltriethoxytitanium, mercaptodecyltriethoxytitanium, propyltriclo-titanium titanium, octyltrichlorotitanium, decyltriclo-titanium, amaminopropyl triclo-titanium, mercaptopropyltriclo-titanium.
- M 2 represents a metal atom belonging to Group 4, Group 5, Group 6, Group 13, Group 14, or Group 15 of the periodic table.
- M 2 includes titanium atom, zirconium atom, hafnium atom and other group 4 metal atoms; vanadium atom, niobium atom, tantalum atom and other group 5 metal atoms; chromium atom, molybdenum atom, tungsten atom, etc.
- Metal atom belonging to Group 3 Metal atom belonging to Group 1 such as key atom, germanium atom, tin atom and lead atom; Metal belonging to Group 1 such as phosphorus atom, arsenic atom, antimony atom and bismuth atom Atoms are listed, such as a key atom, a tin atom, a titanium atom, a zirconium atom, an aluminum atom, a niobium atom, a fluorine atom, and a phosphorus atom. An atom and a phosphorus atom are more preferable, and a silicon atom, a titanium atom, and a phosphorus atom are still more preferable.
- X, R a and u have the same meaning as described above.
- V 2 is an integer of 1 or more and u — 1 or less, preferably an integer of 2 or more.
- the compound having a monovalent group represented by the formula (2) and the partially hydrolyzed condensate thereof preferably have a monovalent group represented by the formula (2) in the side chain.
- the number of monovalent groups represented by the formula (2) in the compound having a monovalent group represented by the formula (2) and the partially hydrolyzed condensate thereof may be one or more.
- the total weight of M 2 in the compound having a monovalent group represented by the formula (2) and the partially hydrolyzed condensate thereof is preferably 10% or more, more preferably 15% or more. More preferably, it is 20% or more.
- the main chain is formed.
- the repeating unit to be formed include an alkylene group, an arylene group, a divalent heterocyclic group, and an amine residue.
- It may be a copolymer of a repeating unit having a monovalent group represented by the formula (2) in a side chain and a repeating unit having a monovalent group represented by the formula (2) in a side chain, Represented by the formula (2)
- the proportion of repeating units having a monovalent group in the side chain is preferably 5 mol% or more of all repeating units in the copolymer, more preferably 1 Omol% or more, and 2 Omol. More preferably, it is at least%.
- the compound having a monovalent group represented by the formula (2) and its partial hydrolysis contraction is preferably 5 mol% or more of all repeating units in the copolymer, more preferably 1 Omol% or more, and 2 Omol. More preferably, it is at least%.
- n represents the degree of polymerization.
- the molecular weight of the compound having a monovalent group represented by the formula (2) and the partially hydrolyzed condensate thereof is usually 100 to 1,000,000.
- the compound having a monovalent group represented by the formula (2) and the partially hydrolyzed condensate thereof may be used alone or in combination of two or more.
- X and R a have the same meaning as described above.
- n represents the degree of polymerization, but is usually an integer of 2 to 10 0000, preferably an integer of 10 to 10000.
- Examples of the compound represented by the formula (3) and the partial hydrolysis condensate thereof include polydiethoxysiloxane, polydibutoxysiloxane, polyjetyl titanate, polydibutyl titanate, and jetoxysiloxane monoethyl titanate copolymer.
- the molecular weight of the compound represented by the formula (3) and the partially hydrolyzed condensate thereof is usually from 100 to 100.000.
- the compound represented by the formula (3) and the partial hydrolysis-condensation product thereof may be used alone or in combination of two or more.
- the compound having a reactive group with respect to the group present on the surface of the anode (usually an organic compound) is preferably represented by the following formula (1 ′) from the viewpoint of reactivity with the compound constituting the anode.
- Examples of the compound represented by the formula (1 ′) include acetoxiprovir trichlorosilane, acetopropinotrimethyl. Toxisilane, Adamantinoethyl trichlorosilane, Arritrichlorosilane, Arritrimethyloxysilane, 3-Aminopropylmethyl jetoxysilane, 3-Aminopropyl triethoxysilane, 3-Aminoprovir trimethoxysilane, 3-Aminopropyl Mouth pitris (methoxiche toxicheto) silane, benzyltrichlorosilane, benzyltriethoxysilane, bis (trimethoxysilyl) ethane, 3-bromopropinoretoxychlorosilane, 3-bromopropinoretrioxysilane, 3-bromoprobitritri Methoxys
- Examples of the partial hydrolysis condensate of the compound represented by the formula (1 ′) include these partial hydrolysis condensates.
- the compound represented by the formula (1 ′) and the partial hydrolysis-condensation product thereof may be used alone or in combination of two or more.
- As a method of forming a non-treated layer containing a compound having a reactive group with respect to a group present on the surface of the anode the compound is dissolved or dispersed in a solvent, and the anode is immersed in the obtained solution.
- a group present on the surface of the anode and a hydrophilic group in the compound (corresponding to X in the above formulas (1) to (3) and (1 ')) ).
- the unreacted compound may be removed by removing the anode from the solution and washing the anode with a solvent that dissolves the compound.
- the hydrophilic group in the compound may react with the anode after chemically reacting with the solvent to form a different group. Such reactions include hydrolysis reactions.
- Examples of the solvent for dissolving or dispersing the compound include chlorine-based form such as black mouth form, methylene chloride, 1,2-dichloroethane, 1,1,2-trichloroethane, black mouth benzene, and o-dichloro mouth benzene.
- Solvents Ether solvents such as tetrahydrofuran and dioxane; Aromatic hydrocarbon solvents such as toluene and xylene; cyclohexane, methylcyclohexane, n-pentane, n- hexane, n -heptane, n-octane N-nonane, n-decane and other aliphatic hydrocarbon solvents; acetone, methyl ethyl ketone, cyclohexanone, etc. ketone solvents; ethyl acetate, butyl acetate, ethinoresersolvate, etc.
- Ester solvent ethylene glycol, ethylene glycol monoethanol ether, ethylene glycol monoethyl etherate, Polyhydric alcohols and derivatives thereof such as ethylene glycol monomethinoleate / le, dimethoxetane, propylene glycolanol, methoxymethane, triethylene glycol monoethyl ether, glycerol, 1,2-hexanediol; Ethanore, Prono.
- Examples include alcohol solvents such as diol, isoprononole and cyclohexanol; sulfoxide solvents such as dimethyl sulfoxide; water and the like.
- the solvent may be used alone or in combination of two or more.
- the concentration of the compound in a solution obtained by dissolving or dispersing the compound in a solvent is not limited.
- the concentration is preferably between 0.0 l and 100 mmo 1 1.
- the spin coating method it is difficult to obtain a uniform thin film if the concentration is too low, and if the concentration is too high, it may be difficult to inject charges because a thick film is formed.
- the concentration is preferably 0.001 to: l Ornmol / l.
- the spin coating method casting method, micro log gravure coating method, gravure coating method, bar coating method, roll coating method, wire bar coating method, dip coating method, spray coating method Application methods such as screen printing method, flexographic printing method, offset printing method, ink jet printing method, nozzle coating method, and chiral coating method can be used.
- the concentration of the solution used to form a thin film with an appropriate thickness varies depending on the coating method, and must be adjusted accordingly.
- the UV ozone treatment of the non-treated layer will be described.
- UV ozone treatment means that the non-treated layer is irradiated with UV (ultraviolet rays), oxygen in the air is changed to ozone, and the non-treated layer is modified by the ozone and ultraviolet rays.
- the UV light source only needs to be able to change oxygen to ozone by UV irradiation.
- Examples of the UV light source include a low-pressure mercury lamp.
- the low-pressure mercury lamp generates UV light with wavelengths of 1 85 nm and 254 nm, and the 1 85 nm line can convert oxygen into ozone.
- the strong oxidizing power generated by the synergistic effect of UV and ozone can modify the surface of the non-treated layer and promote hole injection.
- the illuminance during irradiation varies depending on the light source used, but generally several tens to several hundreds mW / cm 2 are used. Illuminance can be changed by focusing or diffusing.
- the irradiation time depends on the illuminance of the light source and the type of the non-treated layer. More usually, it is 1 minute to 24 hours.
- the treatment temperature is usually 10 to 200 ° C.
- the amount of UV irradiation (that is, the amount of ultraviolet rays) (J / cm 2 ) is usually lj / cm 2 or more, preferably 1 to 100,000 J / cm 2: C, more preferably 10 to 100,000 J / cm 2 . More preferably 100 to 100,000 J / cm 2 , and particularly preferably 1,000 to 100,000 J m 2 .
- the second layer (usually an organic layer) can be obtained, for example, by co-evaporation of a luminescent material or the like and film formation from a solution.
- the light emitting materials may be used alone or in combination of two or more.
- the second layer is usually a light emitting layer, but even if a single molecule has the function of transporting holes, the function of transporting electrons, the function of recombination, the function of emitting light, etc.
- the above molecules may have.
- Examples of the light-emitting material include “organic EL display” (Co-authored by Shizuo Tokito, Chinami Adachi, Hideyuki Murata, Ohm Co., Ltd., 2004, first edition, first edition) 17-48, 83-99, 101 ⁇
- the fluorescent material or triplet light-emitting material described on page 120 can be used.
- low-molecular fluorescent materials examples include naphthalene derivatives, anthracene and its derivatives, perylene and its derivatives, polymethine-based, xanthene-based, coumarin-based, and cyanine-based pigments, and 8-hydroxyquinoline metal complexes. , 8-hydroxyquinoline derivative metal complexes, aromatic amines, tetraphenyl pentapenta and derivatives thereof, tetraphenyl butadiene and derivatives thereof, and more specifically, JP-A-57-5 Those described in JP-A-1781 and JP-A-59-194393 can be used.
- light emitting material examples include, for example, WO 9 9Z 1 36 9 2 published specification, WO 9 9/4 8 1 60 published specification, GB 2 340 30 4 A, WO 00/5 3 6 5 6 Published specification, WO 0 1/1 9 8 34 Published specification, WO 00/55 9 2 7 Published specification, GB 2 348 3 1 6, WO 00 / 4 6 3 2 1 Published specification, WO 00/0 6 6 6 5 Published specification, WO 9 9/5 4 94 3 Published specification, WO 9 9/54 3 8 5 Published specification, US 5 7 7 70 70, WO 9 8/06 7 7 3 published specification, WO 9 7/0 5 1 84 published specification, WO 00/3 5 9 8 7 published specification, WO 00/5 3 6 5 5 published specification, WO 0 1/34 7 22 published specification, WO 9 9/24 5 26 published specification, WO 0 0/2 20 2 7 published specification, WO 00/2 2026 published specification, W 09 8/2 7 1 3 6 Published specification, US 5 7 7
- Polyfluorene its derivatives and copolymers, polyarylene, its derivatives and copolymers, polyarylene vinylene, its derivatives disclosed in 1 2 3 3 and JP 9-4 5 4 78 And (co) polymers of copolymers, aromatic amines and derivatives thereof.
- the triplet light-emitting material include Ir (ppy) 3 > Btp 2 Ir (acac) with iridium as the central metal, PtOEP with platinum as the central metal, and Eu (TTA) 3 phen with europium as the central metal. And the like.
- triplet light-emitting complex examples include Nature, (1998), 395, 151, Ap. Phys. Lett. (1999), 75 (1), 4, Proc. SPIE-Int. Soc. Opt. Eng. 2001), 4105 (Organic Light-Emitting Materials and Devices IV), 119, J. Am. Chem. Soc., (2001), 123, 4304, Appl. Phys. Lett., (1997), 71 (18), 2596, Syn. Met., (1998), 94 (1), 103, Syn. Met., (1999), 9 9 (2), 1361, Adv. Mater., (1999), 11 (10), 852 , Jpn. J. Appl. Phys., 34, 1883 (1995) and the like.
- the light emitting material may be a high molecular compound, and may be any of, for example, an alternating copolymer, a random polymer, a block polymer, and a graft copolymer, and an intermediate structure thereof. It may be a high molecular compound having, for example, a random copolymer having a blocking property.
- the light-emitting material exhibits high charge transport performance, and has a higher light emission efficiency, lower drive voltage, and longer life, and therefore has a block property that is more random than a completely random copolymer. Polymers and graft copolymers are preferred. Examples of the light emitting material include a polymer compound having a branched main chain and three or more terminal portions, and so-called dendrimers.
- a polymer compound having a repeating unit represented by the following formula (4) and a polymer compound having a repeating unit represented by the following formula (7) are preferable, represented by the following formula (4).
- the polymer compound having the repeating unit is more preferable.
- a polymer compound having a repeating unit represented by the following formula (4) and the following formula (7) is also preferable.
- the number average molecular weight in terms of polystyrene of the polymer compound is usually from 1 X 1 0 3 ⁇ about 1 X 1 0 8, and preferably from 5 X 1 0 3 ⁇ 1 X 1 0 7, more preferably 1 X 1 0 4 to 5 X 1 0 6 .
- k is an integer of 0 to 2, preferably 0 or 1. If L 1 is plurally present, they differ even for the same
- a r 6 and A r 7 each independently represents an arylene group or a divalent heterocyclic group.
- S is an integer of 1 to 4, preferably 1 or 2.
- R 17 is An alkyl group, an aryl group, a monovalent heterocyclic group, a group represented by the following formula (8), or a group represented by the following formula (9):
- R 17 represents an aryl group or a monovalent heterocyclic group;
- the aryl group and the monovalent heterocyclic group are an alkyl group, an alkoxy group, an alkylthio group, a substituted silyl group, a substituted amino group, an aryl group, an aryloxy group, an aryl alkyl group, an aryl alkyl group.
- a substituent such as an arylalkenyl group, an arylalkynyl group, or a monovalent heterocyclic group.
- a r 8 represents an arylene group or a divalent heterocyclic group.
- R 18 represents a hydrogen atom, an alkyl group, an aryl group, or a monovalent heterocyclic group.
- R 18 , R 19 and R 2 are an aryl group or a monovalent heterocyclic group
- the aryl group or the monovalent heterocyclic group Is an alkyl group, an alkoxy group, an alkylthio group, a substituted silyl group, a substituted amino group, an aryl group, an aryloxy group, an aryl alkyl group, an aryl alkyl group, an aryl alkenyl group, an aryl alkynyl group, a monovalent complex It may have a substituent such as a ring group.
- a r 9 and A r each independently represents an arylene group or a divalent heterocyclic group.
- U is an integer of 1 to 4, preferably 1 or 2.
- R 2 1 Represents an alkyl group, an aryl group or a monovalent heterocyclic group
- R 2 2 represents a hydrogen atom, an alkyl group, an aryl group or a monovalent heterocyclic group
- R 2 1 and R 22 represent aryl Group or a monovalent heterocyclic group
- the aryl group and the monovalent heterocyclic group are an alkyl group, an alkoxy group, an alkylthio group, a substituted silyl group, a substituted amino group, an aryl group, an aryloxy group, an aryl group.
- ⁇ ⁇ 8! ⁇ Is an alkyl group, an alkoxy group, an alkylthio group, a substituted silyl group, a substituted amino group, an aryl group, an aryloxy group, an aryl alkyl group, an aryl alkyl group, an aryl alkenyl group, an aryl alkynyl group, a monovalent heterocyclic ring It may have a substituent such as a group.
- the arylene group is a remaining atomic group obtained by removing two hydrogen atoms bonded to a carbon atom constituting an aromatic ring from an aromatic hydrocarbon. It means a substituted arylene group and a substituted arylene group.
- the arylene group includes those having a condensed ring and those having two or more independent benzene rings or condensed rings bonded via a single bond or a divalent organic group, for example, an alkenylene group such as vinylene.
- Substituent atoms and substituents in the substituted arylene group include a halogen atom, an alkyl group, an alkoxy group, an alkylthio group, from the viewpoints of solubility, fluorescence characteristics, ease of synthesis, characteristics in the case of an element, and the like.
- the arylene group includes a phenylene group (for example, the following formulas 1 to 3), a naphthalene dizyl group (the following formulas 4 to 13), an anthracene group.
- Diyl group (following formulas 14 to 19), biphenyl mono-diyl group (following formulas 20 to 25), terfenyl rugyl group (following formulas 26 to 28), condensed ring compound groups (following formulas 29 to 3) 5) Fluorene monozyl group (Formula 3 6-38), Indenofluorene dizyl group (Formula 3 8 A, 3 8 B), Stilbene dizyl group (Formula A to D), Distilbene diyl group (Equation E, F below) and the like are exemplified, and a phenylene group, a biphenyl / resinino group, a fluorene dinino group, and a styrene benzyl group are preferable.
- the divalent heterocyclic group means the remaining atomic group obtained by removing two hydrogen atoms from the heterocyclic compound.
- the divalent heterocyclic group may have a substituent.
- the heterocyclic compound is an organic compound having a cyclic structure, and the elements constituting the ring are not only carbon atoms, but also oxygen atoms, sulfur atoms, nitrogen atoms, phosphorus atoms, boron atoms, arsenic atoms, etc. The one containing the hetero atom in the ring.
- Examples of the substituent that the divalent heterocyclic group may have include an alkyl group, an alkoxy group, an alkylthio group, an aryl group, an aryloxy group, an aryl group, an aryl alkyl group, an aryl alkoxy group, and an aryl alkylthio group.
- the carbon number of the unsubstituted divalent heterocyclic group is usually about 3 to 60. Examples of the divalent heterocyclic group include the following.
- Divalent heterocyclic group containing a nitrogen atom as a hetero atom Divalent heterocyclic group containing a nitrogen atom as a hetero atom; pyridine monodyl group (following formulas 39 to 44), diazafunylene group (following formulas 45 to 48), quinolinyl group (following formulas 49 to 6) 3), Quinoxalinyl group (Formula 64 to 6 8), Acridine group (Formula 6 9 to 7 2), Bibilidyl group (Formula 7 3 to 7 5), Phenylantyl group (Formula 76 to 7 8) ) etc.
- Heteroatoms are silicon atoms, nitrogen atoms, sulfur atoms, selenium atoms, fluorine atoms and the like and groups having a fluorene structure (the following formulas 7 9 to 93, G to I) As hetero atoms, silicon atoms, A group containing a nitrogen atom, a sulfur atom, a selenium atom, etc. and having an indenofluorene structure (the following formulas J to O).
- Heteroatom is a 5-membered heterocyclic group containing a silicon atom, nitrogen atom, sulfur atom, selenium atom, etc., and is a dimer or oligomer that is bonded at the ⁇ -position of the heteroatom (below Formula 1 1:! ⁇ 1 1 2).
- a 5-membered heterocyclic group containing a silicon atom, nitrogen atom, sulfur atom, selenium atom, etc. as a heteroatom, and a group bonded to a phenyl group at the ⁇ -position of the heteroatom (Formula 1 1 3 to : 1 1 9).
- R represents a hydrogen atom, an alkyl group, an alkoxy group, an alkylthio group, an aryl group, an aryloxy group, an aryl group, an aryl alkyl group, an aryl alkoxy group, an aryl alkyl.
- Thiol group aryl alkenyl group, aryl alkynyl group, amino group, substituted amino group, silyl group, substituted silyl group, silyloxy group, substituted silyloxy group, halogen atom, acyl group, acyloxy group, imine residue, amino group Represents a amide group, an acid imide group, a monovalent heterocyclic group, a carboxyl group, a substituted carboxyl group, or a cyano group. Multiple Rs may be the same or different
- the divalent group having a metal complex structure is a residue obtained by removing two hydrogen atoms from an organic ligand of a metal complex having an organic ligand. Means a divalent group.
- the carbon number of the organic ligand of the metal complex having the organic ligand is usually about 4 to 60.
- Examples of the organic ligand include 8-quinolinol and derivatives thereof, benzoquinolinol and derivatives thereof, 2-phenylene pyridine and derivatives thereof, 2-phenylene benzothiazole and derivatives thereof, and 2_phenol. Examples include rubenzoxazole and its derivatives, porphyrin and its derivatives.
- Examples of the central metal of the metal complex having an organic ligand include aluminum, zinc, beryllium, iridium, platinum, gold, europium, and terbium.
- Examples of the metal complex having the organic ligand include low-molecular fluorescent materials, phosphorescent materials such as triplet light-emitting complexes, and the like.
- Examples of the divalent group having the metal complex structure include those represented by the following formulas 1 2 6 to 1 3 2. //: i O 66 ⁇ / -08002 ⁇ 1 £ i69oiAV
- R has the same meaning as described above.
- a plurality of R may be the same or different.
- at least one of a plurality of R in one structural formula is other than a hydrogen atom. Symmetry of the shape of a repeating unit including a substituent It is preferable that the property is low.
- one or more of the scales in one structural formula is a group containing a cyclic or branched alkyl group.
- a plurality of R may be connected to form a ring.
- the alkyl group when R is a substituent containing an alkyl group, the alkyl group may be linear, branched or cyclic, or a combination thereof, such as an isoamyl group, 2_ethylhexyl. group, 3,7-Jimechiruokuchi group, a cyclohexyl group, cyclohexyl group and the like to 4 _ -C 1 2 alkyl cycloalkyl.
- one or more of the substituents in the repeating unit represented by the formula (4) or the formula (7) include a cyclic or branched alkyl chain. It is preferable that The leading ends of two alkyl chains may be connected to form a ring. Furthermore, some carbon atoms of the alkyl chain may be substituted with a group containing a hetero atom.
- this hetero atom examples include an oxygen atom, a sulfur atom, and a nitrogen atom.
- repeating unit represented by the formula (7) the following are preferable.
- R has the same meaning as described above.
- a plurality of R may be the same or different.
- the luminescent material may include a repeating unit other than the repeating units represented by the formula (4) and the formula (7).
- the total of the repeating units represented by the formula (4) and the formula (7) in the luminescent material is usually from 50 to L0 mol% of all repeating units.
- the organic electroluminescence device of the present invention may have a layer other than the first layer and the second layer.
- a layer examples include a hole transport layer that may be provided between the first layer and the second layer, and an electron transport layer that may be provided between the second layer and the cathode.
- a hole transport layer that may be provided between the first layer and the second layer is preferable.
- the hole transport layer usually contains a hole transport material
- the electron transport layer usually contains an electron transport material.
- These hole transport materials and electron transport materials may be either high molecular compounds or low molecular compounds, but high molecular compounds are preferred.
- Examples of the hole transport material and the electron transport material include polyfluorenes and derivatives thereof described in the above-mentioned documents of light-emitting materials, copolymers containing fluorenediyl groups, polyarylenes and derivatives thereof, and arylene groups. Examples thereof include copolymers, polyarylene vinylenes and derivatives thereof, copolymers containing arylene vinylene groups, aromatic amines and derivatives thereof, and (co) polymers thereof.
- Examples of the hole transport material of the polymer compound further include polybutylcarbazole and derivatives thereof, polysilane and derivatives thereof, polysiloxane derivatives having aromatic amines in the side chain or main chain, polyaniline and derivatives thereof, poly Examples include thiophene and its derivatives, polypyrrole and its derivatives, poly (2,5 dichlorodiene) and its derivatives.
- Examples of the hole transport material of low molecular weight compounds include pyrazoline derivatives, arylamine derivatives, stilbene derivatives, triphenyldiamine derivatives, and the like. More specifically, the hole transport material of the polymer compound includes a polymer compound containing a repeating unit composed of an aromatic amine skeleton in the main chain.
- the hole transport material of the polymer compound includes a repeating unit composed of a conjugated compound residue having another aromatic carbocyclic ring and / or an aromatic heterocyclic ring in addition to the repeating unit composed of the aromatic amine amine skeleton. You may go out.
- the difference between the HOMO energy level of the anode material and the HOMO energy level of the hole transport material is preferably 0.5 eV or less, and 0.3 eV
- the “HOMO energy level of the anode material” means a value measured in the organic electroluminescent element of the present invention (obtained by subjecting the non-treated layer to UV ozone treatment).
- the repeating unit comprising the aromatic amine skeleton the following formula (5)
- a r 1 A r 12 , A r 13 and A r 14 each independently represents a arylene group or a divalent heterocyclic group.
- a r 15 , A r 16 and A r 17 are each independently the standing, represents the Ariru group or a monovalent heterocyclic group eight 1:. 16 and eight 1: 17, instead of representing the above groups, the nitrogen together such connexion, a r 16 and a r 17 are bonded And may form a ring together with atoms, o and p each independently represent 0 or 1.
- the organic electroluminescent element of the present invention includes a hole containing a hole transport material containing a repeating unit represented by the formula (5) between the first layer and the second layer. It has a transport layer, and the difference between the HOMO energy level of the anode material and the HOMO energy level of the hole transport material is preferably 0.5 eV or less, 0.3 eV or less It is more preferable.
- the arylene group and the divalent heterocyclic group are the same as those described and exemplified in the above formulas (4) and (7) to (9).
- Examples of the repeating unit represented by the formula (5) include those represented by the following formula.
- each hydrogen atom on the aromatic ring is independently an alkyl group having 1 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, a phenyl alkyl group having 7 to 26 carbon atoms, or 7 carbon atoms.
- phenyl phenyl group phenyl group, phenoxy group, alkyl group-substituted phenyl group having 7 to 26 carbon atoms, alkoxy group-substituted phenyl group having 7 to 26 carbon atoms, alkyl having 2 to 21 carbon atoms It may be substituted with a carbonyl group, a formyl group, an alkoxycarbonyl group having 2 to 21 carbon atoms, or a carboxy group. If two substituents are present, they are The phenylalkyl group may be bonded to each other to form a ring, and the phenylalkyl group usually has 7 to 26, preferably 1 to 21 and more preferably 14 to 18.
- Examples thereof include phenylmethylol group, phenylethyl group, phenylpropyl group, phenylbutyl group, phenylpentyl group, phenylhexyl group, phenylheptyl group, phenyloctyl group, phenylnonyl group, phenyldecyl group, phenyldodecyl group, and the like. It is done.
- the phenylalkoxy group usually has 7 to 26 carbon atoms, preferably 11 to 21 and more preferably 14 to 18 and examples thereof include phenyl methoxy group and phenyl ethoxy group.
- the alkyl group-substituted phenyl group is a group in which one or more hydrogen atoms on the phenyl group are substituted with an alkyl group having 1 to 2,0 carbon atoms, that is, a monoalkyl phenyl group or a dialkyl phenyl group.
- a tria / lekilphenyl group, a tetranolealkylphenyl group, and a pentaalkylphenyl group usually has 7 to 26, preferably 1 to 21 and more preferably 14 to 18 carbon atoms. Examples thereof include mono, di, tri, and tetra.
- pentamethylphenyl group mono, di, tri, tetra, or pentaethyl phenyl group; mono, di, tri, tetra, or pentapropyl phenyl group; mono, di, tri, tetra, or pentaisopropyl group Mono, di, tri, tetra, or pentabutyl phenyl; mono, di, tri, tetra, or pentaisobutyl phenyl; mono, di, tri, tetra, or Mono-, di-, tri-, tetra-, or pentater tert-butylphenyl group; mono-, di-, tri-, tetra-, or pentapentylphenyl groups; mono-, di-, tri-, tetra-, or penta-isoamylphenyl L group; mono, di, tri, tetra, or pentahexylphenyl group; mono, di,
- the alkoxy group-substituted phenyl group is a group in which one or more hydrogen atoms on the phenyl group are substituted with an alkoxy group having 1 to 20 carbon atoms, that is, a monoalkoxyphenyl group, a dialkoxyphenyl group, a tria Norecoxyphenyl group, tetraalkoxyphenyl group, and pentaalkoxyphenyl group.
- the alkoxy group-substituted phenyl group generally has 7 to 26, preferably 1 to 21 and more preferably 14 to 18 carbon atoms.
- Examples thereof include mono, di and tri , Tetra, or pentamethoxyphenyl group; mono, di, tri, tetra, or pentaethoxyphenyl group; mono, di, tri, tetra, or pentapropyloxyphenyl group; mono, di, tri, tetra, Or pentaisopropyloxyphenyl group; mono, di, tri, tetra, or pentabutoxyphenyl group; mono, di, tri, tetra, or pentaisobutoxyphenyl group; mono, di, tri, tetra, or pentater s— Butoxyphenyl group; mono, di, tri, tetra, or pentater t-butoxyphenyl group; mono, di, tri, tetra, or pentapentylo Shifueniru group; mono-, di-, tri-, tetra, or cyclohexyl O carboxymethyl phenylalanine group
- the alkyl carbonyl group usually has 2 to 21 carbon atoms, preferably 5 to 15 carbon atoms, more preferably 8 to 12 carbon atoms. Examples thereof include acetyl group, propionyl group, butyryl group, isobutyryl group. Group, pentanoyl group, hexanol group, heptanol group, otatanyl group, 2-ethyl hexanol group, nonanoyl group, decanol group, 3, 7-dimethyloctanol group, dodecanol group and the like.
- the alkoxycarbonyl group generally has 2 to 21 carbon atoms, preferably 5 to 15 carbon atoms, more preferably 8 to 12 carbon atoms.
- Examples thereof include a methoxycarbonyl group, an ethoxycarbonyl group, propyl Oxycarbonyl group, isopropyloxycarbonyl group, butoxycarbonyl group, isobutoxycarbonyl group, s —butoxycarbonyl group, t —butoxy force / repole group, pentyloxycarbonyl group, hexyluro Xycarbonyl group, heptyloxy carbonyl group, octyloxycarboninole group, 2-ethenorehexinoreoxy carbonyl group, noni / reoxycarbonyl group, decyloxycarboninole group, 3, 7-dimethyloctyloxy Examples thereof include a carbonyl group and a dodecyloxycarbonyl group. As the repeating
- R 3 , R 4 and R 5 are each independently an alkyl group having 1 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, a phenylalkyl group having 7 to 26 carbon atoms, or 7 to 7 carbon atoms.
- 26-phenyl alkoxy group phenyl group, phenoxy group, alkyl group-substituted phenyl group having 7 to 26 carbon atoms, alkoxy group-substituted phenyl group having 7 to 26 carbon atoms, alkylcarbonyl having 2 to 21 carbon atoms
- R 3 and R 4 may be combined together to form a ring instead of the above group.
- X and y are each independently an integer of 0 to 4, z is 1 or 2, and s is an integer of 0 to 5.
- At least one of R 3 , R 4 and R 5 is When there are multiple groups, the multiple groups may be the same or different.
- the ring may be, for example, a C 5 to C 14 heterocyclic ring optionally having a substituent.
- the heterocyclic ring include a morpholine ring, a thiomorpholine ring, a pyrrole ring, a piperidine ring, and a piperazine ring.
- the repeating unit represented by the formula (6) include repeating units represented by the following formulas (6-1) to (6_10).
- R 6 represents an alkyl group having 1 to 20 carbon atoms, and s is an integer of 0 to 5. When a plurality of R 6 are present, they may be the same or different. Good.
- the protecting group preferably has a conjugated bond continuous with the conjugated structure of the main chain.
- an aryl group or a monovalent heterocyclic group is bonded to the main chain via a carbon-carbon bond. Structure. Examples of the protecting group include substituents described in Chemical formula 10 of JP-A-9-45478.
- the polymer compound containing a repeating unit consisting of an aromatic amine skeleton in the main chain is a repeating compound represented by the following formula (8) together with at least one of the repeating units consisting of the aromatic amine skeleton. Including at least one unit in the main chain is preferable from the viewpoint of device characteristics such as maximum light emission efficiency and device life.
- Ar 8 represents an arylene group.
- the arylene group is the same as that described and exemplified in the above formulas (4), (7) to (9). is there.
- the repeating unit represented by the formula (8) the repeating unit represented by the following formula (9) is preferable from the viewpoint of luminance half life.
- R 7 and R 8 are each independently a halogen atom, an alkyl group, an alkoxy group, an alkylthio group, an aryl group, an aryloxy group, an aryl group, an aryl alkyl group, an aryl alkoxy group, an aryl alkyl group
- Thio group aryl alkenyl group, aryl alkynyl group, monovalent heterocyclic group
- h and i are each independently 0 Represents an integer of ⁇ 3, R 9 and.
- Reel alkynyl group, monovalent heterocyclic group, heterocyclic thio group, amino group, silyl group, acyl group, acyloxy group, imine residue, amide group, acid imide group, carboxyl group, cyano group or nitro group To express.
- R 7 and R 8 When a plurality of R 7 and R 8 are present, they may be the same or different
- h and i are preferably 0 or 1, particularly preferably 0, from the viewpoint of ease of synthesis of the raw material monomer.
- R 9 and R t Is preferably an alkyl group or an aryl group from the viewpoint of ease of synthesis of the raw material monomer.
- Examples of the repeating unit represented by the formula (9) include those represented by the following formulas (9-1) to (9-18).
- the polymer compound containing a repeating unit composed of an aromatic amine skeleton in the main chain preferably has a number average molecular weight of about 10 3 to 10 8 in terms of polystyrene, and 10 4 to: I 0 6
- the “number average molecular weight” and the “weight average molecular weight” in terms of polystyrene are the same as the size exclusion chromatography (S EC) (manufactured by Shimadzu Corporation, trade name: LC 1 10 Av p). Use to find.
- S EC size exclusion chromatography
- the sample to be measured is dissolved in tetrahydrofuran to a concentration of about 0.5% by weight, and 50 ⁇ L is injected into SEC.
- tetrahydrofuran is used as the mobile phase of SEC, and it is flowed at a flow rate of 0.6 mL / min.
- TSK gel Super HM-H manufactured by Tosohichi
- TSK gel Superman H2000 manufactured by Tosohichi
- a differential refractive index detector manufactured by Shimadzu Corporation, trade name: RID—10 A
- Examples of a method for synthesizing a polymer compound containing a repeating unit consisting of an aromatic amine skeleton in the main chain include, for example, a method of polymerizing from a monomer corresponding to a desired polymer compound by a Suzuki coupling reaction, and a method of polymerizing by a Grignard reaction.
- a method of polymerizing with a Ni (0) catalyst, a method of polymerizing with an oxidizing agent such as FeCl 3, a method of electrochemically oxidative polymerization, a method of decomposing an intermediate polymer compound having an appropriate leaving group, etc. Is mentioned.
- the method of polymerizing by Suzuki coupling reaction, the method of polymerizing by Grignard reaction, and the method of polymerizing by Ni (0) catalyst are preferable in terms of easy reaction control.
- an alkali or an appropriate catalyst can be added as appropriate to promote the reaction.
- These alkalis and appropriate catalysts may be selected according to the type of reaction, but those that are sufficiently soluble in the solvent used for the reaction are preferred.
- alkaline power examples include inorganic bases such as carbonated power lithium and sodium carbonate; organic bases such as triethylamine and tetraethylammonium hydroxide; and inorganic salts such as cesium fluoride.
- examples of the catalyst include tetrakis (triphenylphosphine) palladium and palladium acetates. Since the purity of the polymer compound containing a repeating unit consisting of an aromatic amine skeleton in the main chain affects the light emission characteristics of the device, the monomer before polymerization is purified by methods such as distillation, sublimation purification, and recrystallization.
- Polymerization is preferable, and after the synthesis, purification treatment such as reprecipitation purification and fractionation by chromatography is preferable.
- the solvent used in the reaction include saturated hydrocarbons such as pentane, hexane, heptane, octane, and cyclohexane; aromatic hydrocarbons such as benzene, toluene, ethylbenzene, and xylene; carbon tetrachloride, chlorine Halogenated saturated hydrocarbons such as KOH / REM, dichloromethane, chlorobutane, bromobutane, black mouth pentane, bromopentane, black mouth hexane, bromohexane, chlorocyclohexane, bromocyclane hexane, etc .; , Halogenated aromatic hydrocarbons such as dichlorobenzene and trichlorobenzene Methanol; ethanol, propanol, iso
- the crude polymer compound can be obtained by ordinary post-treatments such as water entrapping with water, extraction with an organic solvent, and distillation of the organic solvent.
- the isolation and purification of the polymer compound can be performed by methods such as fractionation by chromatography and recrystallization. Examples of the method for synthesizing the polymer compound include a compound represented by the following formula (10) alone, or a compound represented by the following formula (10) and the following formula (11). And a method of polymerizing the compound by the above method.
- a r H to A r 18 are as defined above, and Xi to X 4 are each independently a halogen atom, an alkylsulfo group, an arylsulfo group, an arylalkylsulforho group, a boric acid ester residue, sulfonium.
- Methyl group, phosphonium methyl group, phosphonate methyl group, monohalogenated methyl group, boric acid residue Represents a group (_B (OH) 2 ), a formyl group, or a vinyl group.
- Xi X 4 is independently a halogen atom, an alkylsulfo group, an arylsulfo group, An arylalkylsulfo group, a boric acid ester residue, or a boric acid residue is preferable.
- alkylsulfo group include methanesulfo group, ethanesulfo group, trifluoromethanesulfo group and the like.
- arylsulfo groups include benzenesulfo groups and p_toluenesulfo groups.
- the arylalkyl sulfo group include a benzyl sulfo group.
- boric acid ester residue include a group represented by the following formula,
- Me represents a methyl group
- Et represents an ethyl group.
- sulfonium methyl group examples include groups represented by the following formulae. — CH 2 S + Me 2 a —,-CH 2 S + P h 2 ⁇ "
- ⁇ represents a halogen atom
- Me represents a methyl group
- Ph represents a phenyl group.
- Examples of the phosphonium methyl group include groups represented by the following formulae. -CH 2 P + P h 3 ⁇ "
- ⁇ represents a halogen atom and Ph represents a phenyl group.
- Examples of the phosphonate methyl group include groups represented by the following formulae: CH 2 PO (OR 1 1 ) 2
- R 11 represents an alkyl group, an aryl group, or an aryl alkyl group.
- the monohalogenated methyl group include a methyl fluoride group, a methyl chloride group, a methyl bromide group, and a methyl iodide group. Is done.
- a light-emitting layer that emits light by recombination of holes and electrons, on the hole transport layer containing a polymer compound containing a repeating unit composed of an aromatic amine skeleton in the main chain, It is preferable to insolubilize the hole transport layer in order to prevent elution of the hole transport layer if the both layers are mixed with a solvent.
- the insolubilization process involves using a soluble precursor or a polymer having a soluble substituent, converting the precursor to a conjugated polymer by heat treatment, or decomposing the substituent to improve solubility.
- a method of using a hole transporting polymer having a crosslinkable group in the molecule, a method of mixing a monomer or a macromer that causes a crosslinking reaction by heat, light, electron beam, etc. Illustrated.
- the polymer compound containing a repeating unit consisting of an aromatic amine skeleton in the main chain having a crosslinkable group in the molecule is a repeating compound consisting of an aromatic amine amine skeleton in the main chain having a crosslinkable group in the side chain.
- An example is a polymer compound containing a unit. Examples of such a crosslinkable group include a bur group, an acetylene group, a butyr group, an attalyl group, an attalylate group, an attalyl amide group, a methacryl group, a methallylate group, a methacrylamide group, a butyl ether group, and a butyl amino group.
- a group having a silanol group, a small ring for example, a cyclopropyl group, a cyclobutyl group, an epoxy group, an oxetane group, a diketene group, an episulfide group, etc.), a rataton group, a ratata group, or a group containing a siloxane derivative Etc.
- ester bonds and amide bonds can be formed
- Combinations of various groups can also be used. For example, a combination of an ester group and an amino group, an ester group and a hydroxyl group, or the like.
- groups including a benzocyclobutane structure described in WO 9 7/0 9 3 9 4 are also exemplified.
- an acrylate group and a methacrylate group are particularly preferable.
- the monofunctional monomer having an acrylate group or a methacrylate group include 2-ethylhexyl carbitololeatalate, 2-hydroxyhexyl acrylate and the like.
- the bifunctional monomer having an acrylate group or a methacrylate group include 1,6-hexanediol diacrylate, 1,6-hexanediol dimethacrylate, ethylene glycol diolate.
- Examples of other polyfunctional monomers having an acrylate group or a methacrylate group include trimethylol propane triacrylate, trimethylol propane trimethacrylate, pentaerythritol triacrylate, pentaerythritol.
- the content of the crosslinkable group in the polymer compound containing a repeating unit comprising an aromatic amine skeleton in the main chain having the crosslinkable group in the molecule is usually from 0.1 to 30% by weight. Yes, preferably 0.5 to 20% by weight, more Preferably:! ⁇ 10 weight. / 0 .
- monomers that cause a crosslinking reaction include macromers having a polystyrene-equivalent weight average molecular weight of 200 or less and having two or more of the above crosslinkable groups.
- Examples of the crosslinking reaction of a polymer having a crosslinkable group, a monomer or a macromer that causes a crosslinking reaction include reactions caused by heating, irradiation with light, electron beam or the like.
- the reaction may be carried out in the presence of a thermal polymerization initiator, a photopolymerization initiator, a thermal polymerization initiation assistant, a photopolymerization initiation assistant, or the like.
- a thermal polymerization initiator In the case of insolubilization by heating, the heating temperature should be lower than the temperature at which the characteristics deteriorate due to decomposition of the material, for example, 50 to 300 ° C, and 100 to 25 ° C is preferable.
- the thermal polymerization initiator that can be used in combination, those generally known as radical polymerization initiators can be used.
- a peroxide is used as the radical polymerization initiator, the peroxide may be used together with a reducing agent to form a redox initiator.
- Each of these thermal polymerization initiators can be used alone or in combination of two or more.
- the reaction temperature when the thermal polymerization initiator is used in combination is, for example, 40 to 25 ° C., and preferably 50 to 200 ° C.
- an ultraviolet ray at an irradiation intensity of 0.01 mW / cm 2 or more for 1 second to 3600 seconds. Alternatively, irradiation may be performed for 30 seconds to 60 seconds.
- the photopolymerization initiator include an active radical generator that generates an active radical when irradiated with light, and an acid generator that generates an acid.
- the active radical generator examples include a acetophenone photopolymerization initiator, a benzoin photopolymerization initiator, a benzophenone photopolymerization initiator, a thixanthone photopolymerization initiator, and a triazine photopolymerization initiator. These photopolymerization initiators can be used alone or in combination of two or more.
- the electron transport material used for the electron transport layer known materials can be used.
- Oxadiazole derivatives anthraquinodimethane and its derivatives, benzoquinone and its derivatives, naphthoquinone and its derivatives, anthraquinone and its derivatives, tetraciano Anthraquinodimethane and its derivatives, Fluorenone derivatives, Diphenyldisyanoethylene and its derivatives, Diphenoquinone derivatives, Metal complexes of 8_Hydroxyquinoline and its derivatives, Polyquinoline and its derivatives, Polyquinoxaline and its derivatives And polyfluorene and derivatives thereof.
- Examples of electron transport materials include JP-A-63-70257, JP-A-63-175860, JP-A-2-135359, JP-A-2-135361, JP-A-2-209988, and 3- Examples include those described in JP-A-37992 and JP-A-3-152184.
- oxadiazo, ole derivatives, benzoquinone and its derivatives, anthraquinone and its derivatives, metal complexes of 8-hydroxyquinoline and its derivatives, polyquinoline and its derivatives, polyquinoxaline and its derivatives, polyfluorene and Derivatives thereof are preferred, such as 2- (4-biphenylyl) 1-5- (4_t_butylphenyl) 1, 1,3,4-oxadiazole, benzoquinone, anthraquinone, tris (8-quinolinol) aluminum Nium and polyquinoline are more preferred.
- Examples of the laminated structure of the organic electroluminescent element of the present invention include the following. Further, an electron block layer, a hole block layer, an electron injection layer, a hole injection layer, and the like may be laminated.
- the optimum thickness of the entire layer differs depending on the material used, and it may be adjusted so that the driving voltage, light emission efficiency, and device lifetime are appropriate values.
- the thickness is 3 0 1 111 to 1 111. It is preferably 40 nm to 500 nm, more preferably 60 nm to 400 nm.
- the thickness of each layer included in the entire layer is appropriately selected so that the light emission efficiency and the driving voltage have desired values, but the thickness of the first layer is usually 0.1 to 10 nm.
- the thickness of the hole transport layer is usually 1 to 300 nm, preferably 5 to 50 nm.
- the thickness of the second layer is usually 5 to 300 nm, preferably 30 to 200 nm, and more preferably 40 to 150 nm.
- the thickness of the electron transport layer is usually 1 to: I 00 nm, preferably 1 to 40 nm.
- a method of forming a film from a solution or the like is used for producing the first layer, the second layer, the hole transport layer, the electron transport layer and the like.
- a dip coating method such as a dip coating method, a dip coating method, a spray coating method, a screen printing method, a flexographic printing method, an offset printing method, an ink jet printing method, a nozzle coating method, and a chiral coating method
- printing methods such as a screen printing method, a flexographic printing method, an offset printing method, and an ink jet printing method are preferable because pattern formation and multicolor coating are easy.
- Ink is usually used for the method of forming a film from the above solution. This ink includes a material constituting each layer and a solvent.
- This solvent is preferably one that can dissolve or uniformly disperse components other than the solvent constituting the ink.
- the solvent include chlorine-based solvents such as black mouth form, methylene chloride, 1,2-dichloroethane, 1,1,2-trichloroethane, black mouth benzene, and o-dichloro mouth benzene; ethers such as tetrahydrofuran and dioxane.
- Solvents aromatic hydrocarbon solvents such as toluene and xylene; cyclohexane, methyl ⁇ hexane, n-pentane, n-hexane, n-heptane, n-octane, n-nonane, n _ Aliphatic hydrocarbon solvents such as decane; Ketone solvents such as acetone, methyl ethyl ketone, and cyclohexanone; Esteno solvents such as ethyl acetate, butyl acetate, and ethyl cellosolve acetate; Ethylene glycol and ethylene glycol Monobutyl etherenole, Ethyleneglycolenomonoethylenoreethenole, Ethyleneglycol / remonomethino Polyether alcohols and their derivatives such as ether, dimethoxetane, propylene glycol,
- the solvent may be used alone or in combination of two or more.
- the ratio of the solvent in the ink is 1 to 99.9% by weight with respect to the solute (that is, the total amount of the polymer compound containing a repeating unit having an aromatic amine skeleton in the main chain and the luminescent material). Yes, preferably 60 to 99.5% by weight, and more preferably 80 to 99.0% by weight. / 0 .
- the viscosity of the ink varies depending on the type of coating method. However, when the ink passes through the discharge device, such as the inkjet printing method, the viscosity is 2 5 in order to prevent clogging and flight bending during discharge. It is preferably in the range of 1 to 2 O m Pa ⁇ s at ° C.
- An insulating layer (usually 10 nm or less) may be provided in contact with the cathode.
- the material for the insulating layer include metal fluorides, metal oxides, organic insulating materials, and the like, and metal fluorides and metal oxides such as Al-strength metals or Al-strand earth metals are preferable.
- a vacuum deposition method is exemplified as a method for forming the inorganic compound used for the insulating layer.
- the substrate for forming the organic electroluminescent element of the present invention may be any substrate that does not change when forming the electrode and each layer of the element, for example, a substrate of glass, plastic, polymer film, silicon, etc. Is exemplified.
- the electrode on the opposite side to the electrode closer to the substrate is preferably transparent or translucent.
- transparent means that the ratio (transmittance) of the transmitted light intensity to the incident light intensity when light having a wavelength of 7500 to 400 nm passes through the electrode is 90 to 100%. Say something.
- Translucent means that the transmittance is 40% or more and less than 90%.
- an anode and a cathode included in the organic electroluminescence element of the present invention The pole will be described.
- the organic electroluminescence element of the present invention if at least one of the anode and the cathode is transparent or translucent, the generated light is transmitted, and thus the emission efficiency of light emission is good and convenient.
- the anode is treated with UV ozone before forming the non-treated layer in order to improve the reactivity with the reactive group and X in the formulas (1) to (3) and (1 ′). It is preferable.
- the anode side is preferably transparent or translucent.
- indium oxide, zinc oxide, tin oxide, and their composite materials such as tin tin oxide (ITO), indium zinc oxide, etc., conductive glass (NESA, etc.), gold Platinum, silver, copper, and the like are used, and conductive inorganic oxides such as ITO, indium 'zinc' oxide, and tin oxide are preferable.
- an organic transparent conductive film such as polyaniline or a derivative thereof, polythiophene or a derivative thereof may be used.
- the film thickness of the anode can be appropriately selected in consideration of light transmittance and electric conductivity. For example, 10 0 ⁇ ⁇ !
- a method for producing the anode examples include a vacuum deposition method, a sputtering method, an ion plating method, and a plating method.
- the cathode is usually transparent or translucent.
- a material having a low work function is preferable, for example, alkali metals such as lithium, sodium, powerium, rubidium, and cesium, beryllium, magnesium, calcium, strontium, barium, and the like.
- Alkaline earth metals aluminum, scandium, vanadium, zinc, yttrium, indium Gold, silver, platinum, copper, manganese, titanium, cobalt, other metals such as cerium, cerium, samarium, europium, terbium, yttenolebium, and two or more alloys thereof, or one or more of them.
- An alloy with one or more of nickel, tungsten, tin, graphite, and a graphite intercalation compound are used.
- alloys include magnesium-silver alloy, magnesium-indium alloy, magnesium-aluminum alloy, indium-silver alloy, lithium-aluminum alloy, lithium-magnesium alloy, lithium-indium alloy, calcium-aluminum alloy, and the like. It is done.
- the cathode may be a single layer or two or more layers.
- the cathode material may be used alone or in combination of two or more.
- the thickness of the cathode can be appropriately adjusted in consideration of electric conductivity and durability, but is, for example, 10 nm to 10 m, preferably 20 nm to 1 ⁇ m, More preferably 5 0 ⁇ ⁇ ! ⁇ 50 O nm.
- a vacuum deposition method for the production of the cathode, methods such as a vacuum deposition method, a sputtering method, and a laminating method in which a metal thin film is thermocompression bonded are used.
- a layer made of a conductive polymer compound, a layer made of a metal oxide, a metal fluoride, an organic insulating material, or the like may be provided.
- a protective layer for protecting the organic electroluminescent element may be attached after the cathode is produced. In order to use the organic electroluminescence element stably for a long period of time, it is preferable to attach a protective layer and Z or a protective cover in order to protect the element from the outside.
- a polymer compound, metal oxide, metal nitride, metal nitride oxide, metal fluoride, metal boride and the like can be used.
- a glass plate, a plastic plate with a low water permeability treatment on the surface, or the like can be used. A method of sealing them together is preferably used. If the space is maintained by using a spacer, it is easy to prevent the element from being damaged. If an inert gas such as nitrogen or argon is sealed in the space, the cathode can be prevented from being oxidized, and a desiccant such as barium oxide or 'calcium oxide can be installed in the space. This makes it easy to control the moisture adsorbed in the manufacturing process from degrading the performance of the device. Of these, it is preferable to take one or more of these measures.
- the organic electroluminescence device of the present invention can be used as a planar light source, a display device (for example, a segment display device, a dot matrix display device), a backlight of a liquid crystal display device, and the like.
- a display device for example, a segment display device, a dot matrix display device
- the planar anode and cathode may be arranged so as to overlap each other.
- pattern-like light emission a method in which a mask having a patterned window is provided on the surface of the planar light-emitting element, a non-light-emitting portion layer is formed extremely thick and substantially non-light-emitting.
- both the anode and the cathode may be formed in stripes and arranged so as to be orthogonal to each other. Partial color display and multi-color display are possible by separately applying a plurality of types of polymers having different emission colors or by using a color filter or a fluorescence conversion filter.
- Dot matrix devices can be used for passive silicon, amorphous silicon, Active driving combined with a thin film transistor using low-temperature polysilicon may be used.
- planar light-emitting element is a self-luminous thin type and can be suitably used as a planar light source for a backlight of a liquid crystal display device and a planar illumination light source. If a flexible substrate is used, it can also be used as a curved light source or display device.
- the obtained organic phase was washed in the order of 3% by weight acetic acid aqueous solution 40 ml (twice) and ion-exchanged water 100 ml (twice).
- acetic acid aqueous solution 40 ml (twice)
- ion-exchanged water 100 ml (twice).
- 0.44 g of sodium N, N-jetyldithiocarbamate trihydrate and 12 ml of toluene were added and stirred at 65 ° C. for 4 hours.
- the number average molecular weight Mn in terms of polystyrene of the polymer compound A was 8.8 ⁇ 10 4 , and the weight average molecular weight Mw was 3.2 XI 0 5 .
- Polymer compound A starts from the raw materials It is presumed that the repeating unit represented by the formula (1) has a 1: 1 (molar ratio).
- the HOMO energy level of polymer compound A was 5.4 eV.
- a glass substrate with an ITO film having a thickness of 150 nm formed by sputtering was subjected to UV ozone treatment for 20 minutes using a UV ozone device (manufactured by Technovision).
- the pH of this solution was confirmed by a pH meter, it was 10.41 (weakly alkaline).
- a film was formed on this substrate at a speed of 2000 rpm by a spin coating method (first layer). When the average film thickness of this first layer was measured, the average film thickness was not more than lOrnn.
- the substrate was heated at 110 ° C. for 30 minutes on a hot plate in the atmosphere.
- UV ozone treatment was performed for 20 minutes using a UV ozone device (UV irradiation amount: l O jZc m 2 ).
- a xylene solution prepared by polymer compound A so as to have a solid content concentration of about 0.5% by weight was formed on the substrate with a thickness of about 10 nm or less by a spin coating method. Heated at 200 ° C for 15 minutes under air.
- Lumation BP361J manufactured by Summation
- Spin coating method The film was formed on a film made of polymer compound A with a thickness of 80 mn. Then, after drying at 130 ° C for 20 minutes under a nitrogen atmosphere, about 5 nm of barium was deposited as a cathode, and then about 10 nm of aluminum was vapor-deposited to produce an organic electroluminescence device. After the degree of vacuum reached below 1 X 1 0- 4 P a, vapor deposition of a metal was initiated. The HOMO energy level of the anode material of the obtained device was 5.1 eV.
- the obtained substrate was heated at 110 ° C. for 30 minutes on the hot plate in the air.
- an oxygen plasma device instead of performing UV ozone treatment for 20 minutes using a UV ozone device, using an oxygen plasma device, a plasma output of 100 W, a pressure of 0.5 Pa, an oxygen flow rate of 40 sccm for 2 minutes
- An organic electroluminescence device was produced in the same manner as in Example 1 except that the treatment was performed.
- a suspension of poly (3,4) ethylenedioxythiophene / polystyrene sulfonic acid (manufactured by Bayer, Baytron P CH8000) (hereinafter referred to as “Baytron P CH800 0”) was spin-coated to 80 nm.
- the film was formed to a thickness of 200 ° C. and heated for 10 minutes on the hot plate (first layer).
- pH of the Baytron PC H8000 was confirmed with a pH meter, it was 2.09 (strongly acidic).
- a polymer compound A was formed on a substrate with a thickness of about 10 nm by a subcoating method using a xylene solution prepared so that the solid content concentration was about 0.5 wt%. Then, it was heated at 200 ° C for 15 minutes in a nitrogen atmosphere.
- Example 2 a light emitting layer (second layer) was formed, and an organic electroluminescence device was produced.
- a glass substrate with an ITO film with a thickness of 150 nm formed by sputtering was subjected to UV ozone treatment for 20 minutes using a UV ozone apparatus (manufactured by Technovision).
- a film was formed by a spin coating method at a speed of 1000 rpm (first layer). When the average film thickness of the first layer was measured, the average film thickness was 35 nm.
- the substrate was heated at 110 ° C. for 30 minutes on a hot plate in the atmosphere.
- UV ozone treatment was performed for 20 minutes using a UV ozone device (UV irradiation amount: l O jZc m 2 ).
- polymer compound A After forming a film on a substrate with a thickness of about lOnm or less by a spin coating method using a xylene solution prepared so that the solid content concentration is about 0.5% by weight, it is 200 ° C for 15 minutes in a nitrogen atmosphere. Heated.
- Example 2 a UV ozone treatment, a light emitting layer (second layer) was formed, and an organic electroluminescence device was produced.
- a glass substrate with an ITO film with a thickness of 150 nm formed by sputtering was subjected to UV ozone treatment for 20 minutes using a UV ozone device (manufactured by Technovision).
- the film was formed at a speed of lOOOrpm by the method (first layer). When the average film thickness of the first layer was measured, the average film thickness was 130 nm.
- the substrate was heated on a hot plate at 110 ° C for 30 minutes in the atmosphere.
- UV ozone treatment was performed for 20 minutes using a UV ozone device (UV irradiation amount: l O jZc m 2 ).
- a film having a thickness of about lOrnn or less is formed by spin coating, and then the nitrogen atmosphere Heated at 200 ° C for 15 minutes under air.
- Example 2 a light emitting layer (second layer) was formed, and an organic electroluminescence element was produced.
- Example 1 the solution used for the production of the first layer in the organic electroluminescence element is weakly acidic, and the first layer can be formed by a simple method of UV ozone treatment. The property was remarkably excellent. The resulting device had a lifetime (luminance half-life) of about 52 hours, which was recognized as a long lifetime.
- the average film thickness of the first layer was 35 nm, and the emission start voltage at which the obtained device was 1 cd / m 2 as a result of not satisfying the predetermined average film thickness was 5.7.
- V was high, the maximum luminous efficiency was 1/10 or less, and the lifetime (luminance half-life) was extremely short, about 2 hours.
- the average thickness of the first layer was 130 nm, and as a result of not satisfying the predetermined average thickness, the obtained device hardly emitted light even when a voltage of 15 V was applied. It was. Industrial applicability
- the organic electroluminescence device of the present invention is excellent in workability (for example, workability in manufacturing processes such as coating and film formation, ease of processing). Easy to manufacture. Since the organic electroluminescence device of the present invention usually has a long lifetime, it is a planar or curved surface light source used for illumination or the like; a display device such as a segment display device or a domatomatrix display device; a liquid crystal display device This is useful for the manufacture of equipment such as a battery.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Optics & Photonics (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200880117739A CN101874315A (zh) | 2007-11-29 | 2008-11-27 | 有机电致发光元件及其制造方法 |
| US12/744,811 US20100327267A1 (en) | 2007-11-29 | 2008-11-27 | Organic electroluminescence device and production method thereof |
| EP08854836A EP2221898A4 (en) | 2007-11-29 | 2008-11-27 | ORGANIC ELECTROLUMINESCENCE ELEMENT AND METHOD OF MANUFACTURING THEREOF |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007308492 | 2007-11-29 | ||
| JP2007-308492 | 2007-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2009069820A1 true WO2009069820A1 (ja) | 2009-06-04 |
Family
ID=40678703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2008/071997 Ceased WO2009069820A1 (ja) | 2007-11-29 | 2008-11-27 | 有機エレクトロルミネッセンス素子及びその製造方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20100327267A1 (ja) |
| EP (1) | EP2221898A4 (ja) |
| JP (1) | JP5217931B2 (ja) |
| KR (1) | KR20100113066A (ja) |
| CN (1) | CN101874315A (ja) |
| WO (1) | WO2009069820A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011016543A1 (ja) * | 2009-08-07 | 2011-02-10 | 住友化学株式会社 | 有機エレクトロルミネッセンス素子及びその製造方法 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120052356A (ko) * | 2009-07-31 | 2012-05-23 | 스미또모 가가꾸 가부시키가이샤 | 고분자 발광 소자 |
| CN102945693B (zh) * | 2012-10-31 | 2016-03-16 | 清华大学 | 提高ito透明导电薄膜表面功函数的方法及其应用 |
| KR20250171431A (ko) * | 2017-12-22 | 2025-12-08 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 발광 소자, 발광 장치, 전자 기기, 및 조명 장치 |
Citations (59)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US573636A (en) | 1896-12-22 | Car-truck | ||
| JPS5751781A (en) | 1980-07-17 | 1982-03-26 | Eastman Kodak Co | Organic electroluminiscent cell and method |
| JPS59194393A (ja) | 1983-03-25 | 1984-11-05 | イ−ストマン コダツク カンパニ− | 改良された電力転換効率をもつ有機エレクトロルミネツセント装置 |
| JPS6370257A (ja) | 1986-09-12 | 1988-03-30 | Fuji Xerox Co Ltd | 電子写真用電荷輸送材料 |
| JPS63175860A (ja) | 1987-01-16 | 1988-07-20 | Fuji Xerox Co Ltd | 電子写真感光体 |
| JPH02135361A (ja) | 1988-11-16 | 1990-05-24 | Fuji Xerox Co Ltd | 電子写真感光体 |
| JPH02135359A (ja) | 1988-11-16 | 1990-05-24 | Fuji Xerox Co Ltd | 電子写真感光体 |
| JPH02209988A (ja) | 1989-02-10 | 1990-08-21 | Idemitsu Kosan Co Ltd | 薄膜エレクトロルミネッセンス素子 |
| JPH0337992A (ja) | 1989-07-04 | 1991-02-19 | Idemitsu Kosan Co Ltd | 有機エレクトロルミネッセンス素子の製造方法 |
| JPH03152184A (ja) | 1989-11-08 | 1991-06-28 | Nec Corp | 有機薄膜el素子 |
| JPH04255692A (ja) * | 1991-02-07 | 1992-09-10 | Idemitsu Kosan Co Ltd | 有機エレクトロルミネッセンス素子のパターン化方法 |
| JPH065365A (ja) * | 1991-12-24 | 1994-01-14 | Mitsui Toatsu Chem Inc | 有機薄膜el素子 |
| WO1995007955A1 (de) | 1993-09-15 | 1995-03-23 | Hoechst Aktiengesellschaft | Verwendung von polymeren mit isolierten chromophoren als elektrolumineszenzmaterialien |
| WO1996010617A1 (de) | 1994-09-30 | 1996-04-11 | Hoechst Aktiengesellschaft | Poly(paraphenylenvinylen)-derivate und ihre verwendung als elektrolumineszenzmaterialien |
| EP0707020A2 (de) | 1994-10-14 | 1996-04-17 | Hoechst Aktiengesellschaft | Konjugierte Polymere mit Spirozentren und ihre Verwendung als Elektrolumineszenzmaterialien |
| WO1996029356A2 (de) | 1995-03-20 | 1996-09-26 | Hoechst Aktiengesellschaft | OLIGO-p-PHENYLEN-EINHEITEN ENTHALTENDE POLYMERE, VERFAHREN ZU IHRER HERSTELLUNG SOWIE IHRE VERWENDUNG |
| WO1997005184A1 (en) | 1995-07-28 | 1997-02-13 | The Dow Chemical Company | 2,7-aryl-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers |
| JPH0945478A (ja) | 1995-02-01 | 1997-02-14 | Sumitomo Chem Co Ltd | 高分子蛍光体とその製造方法および有機エレクトロルミネッセンス素子 |
| WO1997009394A1 (de) | 1995-09-04 | 1997-03-13 | Hoechst Research & Technology Deutschland Gmbh & Co. Kg | Polymere mit triarylamin-einheiten als elektrolumineszenzmaterialien |
| JPH09111233A (ja) | 1995-10-16 | 1997-04-28 | Sumitomo Chem Co Ltd | 高分子蛍光体、その製造方法及び有機エレクトロルミネッセンス素子 |
| WO1998006773A1 (en) | 1996-08-13 | 1998-02-19 | The Dow Chemical Company | Poly(arylamines) and films thereof |
| US5741921A (en) | 1994-11-25 | 1998-04-21 | Hoechst Aktiengesellschaft | Conjugated polymers containing hetero-spiro atoms and their use as electroluminescence materials |
| JPH10114891A (ja) | 1996-08-21 | 1998-05-06 | Sumitomo Chem Co Ltd | 高分子蛍光体および有機エレクトロルミネッセンス素子 |
| WO1998021262A1 (de) | 1996-11-13 | 1998-05-22 | Aventis Research & Technologies Gmbh & Co Kg | Geordnete poly(arylenvinylen)-terpolymere, verfahren zu ihrer herstellung und ihre verwendung als elektrolumineszenzmaterialien |
| WO1998027136A1 (de) | 1996-12-16 | 1998-06-25 | Aventis Research & Technologies Gmbh & Co Kg | ARYLSUBSTITUIERTE POLY(p-ARYLENVINYLENE), VERFAHREN ZUR HERSTELLUNG UND DEREN VERWENDUNG IN ELEKTROLUMINESZENZBAUELEMENTEN |
| US5777070A (en) | 1997-10-23 | 1998-07-07 | The Dow Chemical Company | Process for preparing conjugated polymers |
| JPH10324870A (ja) | 1997-05-23 | 1998-12-08 | Sumitomo Chem Co Ltd | 高分子蛍光体および有機エレクトロルミネッセンス素子 |
| WO1999013692A1 (en) | 1997-09-05 | 1999-03-18 | Cambridge Display Technology Limited | SELF-ASSEMBLED TRANSPORT LAYERS FOR OLEDs |
| WO1999024526A1 (de) | 1997-11-05 | 1999-05-20 | Axiva Gmbh | Substituierte poly(arylenvinylene), verfahren zur herstellung und deren verwendung in elektrolumineszenzelementen |
| WO1999048160A1 (en) | 1998-03-13 | 1999-09-23 | Cambridge Display Technology Ltd. | Electroluminescent devices |
| WO1999054943A1 (en) | 1998-04-21 | 1999-10-28 | The Dow Chemical Company | Organic electroluminescent devices with improved stability in air |
| WO1999054385A1 (en) | 1998-04-21 | 1999-10-28 | The Dow Chemical Company | Fluorene-containing polymers and electroluminescent devices therefrom |
| WO2000006665A1 (en) | 1998-07-28 | 2000-02-10 | The Dow Chemical Company | Organic electroluminescent devices |
| GB2340304A (en) | 1998-08-21 | 2000-02-16 | Cambridge Display Tech Ltd | Organic light emitters |
| JP2000080167A (ja) | 1997-07-22 | 2000-03-21 | Sumitomo Chem Co Ltd | 正孔輸送性高分子とその製造方法および有機エレクトロルミネッセンス素子 |
| JP2000104057A (ja) | 1998-07-27 | 2000-04-11 | Sumitomo Chem Co Ltd | 高分子蛍光体および高分子発光素子 |
| WO2000022027A1 (de) | 1998-10-10 | 2000-04-20 | Celanese Ventures Gmbh | Konjugierte polymere enthaltend 2,7-fluorenyleinheiten mit verbesserten eigenschaften |
| WO2000022026A1 (de) | 1998-10-10 | 2000-04-20 | Celanese Ventures Gmbh | Konjugierte polymere, enthaltend spezielle fluoren-bausteine mit verbesserten eigenschaften |
| JP2000136379A (ja) | 1998-06-10 | 2000-05-16 | Sumitomo Chem Co Ltd | 高分子蛍光体および有機エレクトロルミネッセンス素子 |
| WO2000035987A1 (de) | 1998-12-15 | 2000-06-22 | Celanese Ventures Gmbh | Verfahren zur herstellung von derivaten des polyarylenvinylen |
| WO2000046321A1 (en) | 1999-02-04 | 2000-08-10 | The Dow Chemical Company | Fluorene copolymers and devices made therefrom |
| WO2000053656A1 (en) | 1999-03-05 | 2000-09-14 | Cambridge Display Technology Limited | Polymer preparation |
| WO2000053655A1 (de) | 1998-02-13 | 2000-09-14 | Celanese Ventures Gmbh | Triptycen-polymere und -copolymere |
| JP2000252065A (ja) | 1999-02-25 | 2000-09-14 | Sumitomo Chem Co Ltd | 高分子発光素子 |
| WO2000055927A1 (en) | 1999-03-12 | 2000-09-21 | Cambridge Display Technology Limited | Polymers, their preparation and uses |
| GB2348316A (en) | 1999-03-26 | 2000-09-27 | Cambridge Display Tech Ltd | Organic opto-electronic device |
| JP2000299189A (ja) | 1999-02-09 | 2000-10-24 | Sumitomo Chem Co Ltd | 高分子発光素子ならびにそれを用いた表示装置および面状光源 |
| JP2000303066A (ja) | 1999-04-21 | 2000-10-31 | Sumitomo Chem Co Ltd | 高分子蛍光体およびそれを用いた高分子発光素子 |
| JP2000514590A (ja) | 1996-07-05 | 2000-10-31 | バイエル・アクチエンゲゼルシヤフト | エレクトロルミネッセンス装置 |
| JP2000351967A (ja) | 1999-04-09 | 2000-12-19 | Sumitomo Chem Co Ltd | 高分子蛍光体およびそれを用いた高分子発光素子 |
| JP2001003045A (ja) | 1999-04-21 | 2001-01-09 | Sumitomo Chem Co Ltd | 高分子蛍光体およびそれを用いた高分子発光素子 |
| WO2001019834A1 (en) | 1999-09-16 | 2001-03-22 | Cambridge Display Technology Limited | Preparation of benzenediboronic acid via a disilylated aryl-intermediate |
| JP2001123156A (ja) | 1999-08-03 | 2001-05-08 | Sumitomo Chem Co Ltd | 高分子蛍光体およびそれを用いた高分子発光素子 |
| WO2001034722A1 (de) | 1999-11-09 | 2001-05-17 | Covion Organic Semiconductors Gmbh | Substituierte poly(arylenvinylene), verfahren zur herstellung und deren verwendung in elektrolumineszenzvorrichtungen |
| JP2001181618A (ja) | 1999-12-27 | 2001-07-03 | Sumitomo Chem Co Ltd | 高分子蛍光体の製造方法および高分子発光素子 |
| JP2004111095A (ja) * | 2002-09-13 | 2004-04-08 | Seiko Epson Corp | 電気光学装置及びその製造方法、並びに電子機器 |
| JP2006018157A (ja) * | 2004-07-05 | 2006-01-19 | Fuji Xerox Co Ltd | 有機機能性材料及びそれを用いた有機機能性素子 |
| JP2006303412A (ja) * | 2004-08-27 | 2006-11-02 | Showa Denko Kk | 有機発光素子及びその製造方法 |
| WO2006123696A1 (ja) * | 2005-05-17 | 2006-11-23 | Sumitomo Chemical Company, Limited | 有機エレクトロルミネッセンス用高分子組成物 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0549345B1 (en) * | 1991-12-24 | 1997-03-05 | MITSUI TOATSU CHEMICALS, Inc. | EL element comprising organic thin film |
| US6312837B1 (en) * | 1997-01-16 | 2001-11-06 | Sony Corporation | Optical element and method of manufacturing the same |
| TW546301B (en) * | 1997-02-28 | 2003-08-11 | Sumitomo Chemical Co | Silicon-containing compound and organic electroluminescence device using the same |
| EP1388178A2 (en) * | 2001-05-14 | 2004-02-11 | CDT Oxford Limited | A method of providing a layer including a metal or silicon or germanium and oxygen on a surface |
| WO2006022401A1 (en) * | 2004-08-27 | 2006-03-02 | Showa Denko K. K. | Organic electroliminescent device and production method thereof |
| US20060240280A1 (en) * | 2005-04-21 | 2006-10-26 | Eastman Kodak Company | OLED anode modification layer |
| US7687986B2 (en) * | 2005-05-27 | 2010-03-30 | Fujifilm Corporation | Organic EL device having hole-injection layer doped with metallic oxide |
| JP4479642B2 (ja) * | 2005-10-27 | 2010-06-09 | セイコーエプソン株式会社 | 発光素子の製造方法 |
| KR20080068134A (ko) * | 2005-11-18 | 2008-07-22 | 스미또모 가가꾸 가부시키가이샤 | 고분자 화합물 및 이를 이용한 고분자 발광 소자 |
-
2008
- 2008-11-13 JP JP2008290757A patent/JP5217931B2/ja not_active Expired - Fee Related
- 2008-11-27 EP EP08854836A patent/EP2221898A4/en not_active Withdrawn
- 2008-11-27 WO PCT/JP2008/071997 patent/WO2009069820A1/ja not_active Ceased
- 2008-11-27 US US12/744,811 patent/US20100327267A1/en not_active Abandoned
- 2008-11-27 KR KR1020107014077A patent/KR20100113066A/ko not_active Withdrawn
- 2008-11-27 CN CN200880117739A patent/CN101874315A/zh active Pending
Patent Citations (59)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US573636A (en) | 1896-12-22 | Car-truck | ||
| JPS5751781A (en) | 1980-07-17 | 1982-03-26 | Eastman Kodak Co | Organic electroluminiscent cell and method |
| JPS59194393A (ja) | 1983-03-25 | 1984-11-05 | イ−ストマン コダツク カンパニ− | 改良された電力転換効率をもつ有機エレクトロルミネツセント装置 |
| JPS6370257A (ja) | 1986-09-12 | 1988-03-30 | Fuji Xerox Co Ltd | 電子写真用電荷輸送材料 |
| JPS63175860A (ja) | 1987-01-16 | 1988-07-20 | Fuji Xerox Co Ltd | 電子写真感光体 |
| JPH02135361A (ja) | 1988-11-16 | 1990-05-24 | Fuji Xerox Co Ltd | 電子写真感光体 |
| JPH02135359A (ja) | 1988-11-16 | 1990-05-24 | Fuji Xerox Co Ltd | 電子写真感光体 |
| JPH02209988A (ja) | 1989-02-10 | 1990-08-21 | Idemitsu Kosan Co Ltd | 薄膜エレクトロルミネッセンス素子 |
| JPH0337992A (ja) | 1989-07-04 | 1991-02-19 | Idemitsu Kosan Co Ltd | 有機エレクトロルミネッセンス素子の製造方法 |
| JPH03152184A (ja) | 1989-11-08 | 1991-06-28 | Nec Corp | 有機薄膜el素子 |
| JPH04255692A (ja) * | 1991-02-07 | 1992-09-10 | Idemitsu Kosan Co Ltd | 有機エレクトロルミネッセンス素子のパターン化方法 |
| JPH065365A (ja) * | 1991-12-24 | 1994-01-14 | Mitsui Toatsu Chem Inc | 有機薄膜el素子 |
| WO1995007955A1 (de) | 1993-09-15 | 1995-03-23 | Hoechst Aktiengesellschaft | Verwendung von polymeren mit isolierten chromophoren als elektrolumineszenzmaterialien |
| WO1996010617A1 (de) | 1994-09-30 | 1996-04-11 | Hoechst Aktiengesellschaft | Poly(paraphenylenvinylen)-derivate und ihre verwendung als elektrolumineszenzmaterialien |
| EP0707020A2 (de) | 1994-10-14 | 1996-04-17 | Hoechst Aktiengesellschaft | Konjugierte Polymere mit Spirozentren und ihre Verwendung als Elektrolumineszenzmaterialien |
| US5741921A (en) | 1994-11-25 | 1998-04-21 | Hoechst Aktiengesellschaft | Conjugated polymers containing hetero-spiro atoms and their use as electroluminescence materials |
| JPH0945478A (ja) | 1995-02-01 | 1997-02-14 | Sumitomo Chem Co Ltd | 高分子蛍光体とその製造方法および有機エレクトロルミネッセンス素子 |
| WO1996029356A2 (de) | 1995-03-20 | 1996-09-26 | Hoechst Aktiengesellschaft | OLIGO-p-PHENYLEN-EINHEITEN ENTHALTENDE POLYMERE, VERFAHREN ZU IHRER HERSTELLUNG SOWIE IHRE VERWENDUNG |
| WO1997005184A1 (en) | 1995-07-28 | 1997-02-13 | The Dow Chemical Company | 2,7-aryl-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers |
| WO1997009394A1 (de) | 1995-09-04 | 1997-03-13 | Hoechst Research & Technology Deutschland Gmbh & Co. Kg | Polymere mit triarylamin-einheiten als elektrolumineszenzmaterialien |
| JPH09111233A (ja) | 1995-10-16 | 1997-04-28 | Sumitomo Chem Co Ltd | 高分子蛍光体、その製造方法及び有機エレクトロルミネッセンス素子 |
| JP2000514590A (ja) | 1996-07-05 | 2000-10-31 | バイエル・アクチエンゲゼルシヤフト | エレクトロルミネッセンス装置 |
| WO1998006773A1 (en) | 1996-08-13 | 1998-02-19 | The Dow Chemical Company | Poly(arylamines) and films thereof |
| JPH10114891A (ja) | 1996-08-21 | 1998-05-06 | Sumitomo Chem Co Ltd | 高分子蛍光体および有機エレクトロルミネッセンス素子 |
| WO1998021262A1 (de) | 1996-11-13 | 1998-05-22 | Aventis Research & Technologies Gmbh & Co Kg | Geordnete poly(arylenvinylen)-terpolymere, verfahren zu ihrer herstellung und ihre verwendung als elektrolumineszenzmaterialien |
| WO1998027136A1 (de) | 1996-12-16 | 1998-06-25 | Aventis Research & Technologies Gmbh & Co Kg | ARYLSUBSTITUIERTE POLY(p-ARYLENVINYLENE), VERFAHREN ZUR HERSTELLUNG UND DEREN VERWENDUNG IN ELEKTROLUMINESZENZBAUELEMENTEN |
| JPH10324870A (ja) | 1997-05-23 | 1998-12-08 | Sumitomo Chem Co Ltd | 高分子蛍光体および有機エレクトロルミネッセンス素子 |
| JP2000080167A (ja) | 1997-07-22 | 2000-03-21 | Sumitomo Chem Co Ltd | 正孔輸送性高分子とその製造方法および有機エレクトロルミネッセンス素子 |
| WO1999013692A1 (en) | 1997-09-05 | 1999-03-18 | Cambridge Display Technology Limited | SELF-ASSEMBLED TRANSPORT LAYERS FOR OLEDs |
| US5777070A (en) | 1997-10-23 | 1998-07-07 | The Dow Chemical Company | Process for preparing conjugated polymers |
| WO1999024526A1 (de) | 1997-11-05 | 1999-05-20 | Axiva Gmbh | Substituierte poly(arylenvinylene), verfahren zur herstellung und deren verwendung in elektrolumineszenzelementen |
| WO2000053655A1 (de) | 1998-02-13 | 2000-09-14 | Celanese Ventures Gmbh | Triptycen-polymere und -copolymere |
| WO1999048160A1 (en) | 1998-03-13 | 1999-09-23 | Cambridge Display Technology Ltd. | Electroluminescent devices |
| WO1999054943A1 (en) | 1998-04-21 | 1999-10-28 | The Dow Chemical Company | Organic electroluminescent devices with improved stability in air |
| WO1999054385A1 (en) | 1998-04-21 | 1999-10-28 | The Dow Chemical Company | Fluorene-containing polymers and electroluminescent devices therefrom |
| JP2000136379A (ja) | 1998-06-10 | 2000-05-16 | Sumitomo Chem Co Ltd | 高分子蛍光体および有機エレクトロルミネッセンス素子 |
| JP2000104057A (ja) | 1998-07-27 | 2000-04-11 | Sumitomo Chem Co Ltd | 高分子蛍光体および高分子発光素子 |
| WO2000006665A1 (en) | 1998-07-28 | 2000-02-10 | The Dow Chemical Company | Organic electroluminescent devices |
| GB2340304A (en) | 1998-08-21 | 2000-02-16 | Cambridge Display Tech Ltd | Organic light emitters |
| WO2000022027A1 (de) | 1998-10-10 | 2000-04-20 | Celanese Ventures Gmbh | Konjugierte polymere enthaltend 2,7-fluorenyleinheiten mit verbesserten eigenschaften |
| WO2000022026A1 (de) | 1998-10-10 | 2000-04-20 | Celanese Ventures Gmbh | Konjugierte polymere, enthaltend spezielle fluoren-bausteine mit verbesserten eigenschaften |
| WO2000035987A1 (de) | 1998-12-15 | 2000-06-22 | Celanese Ventures Gmbh | Verfahren zur herstellung von derivaten des polyarylenvinylen |
| WO2000046321A1 (en) | 1999-02-04 | 2000-08-10 | The Dow Chemical Company | Fluorene copolymers and devices made therefrom |
| JP2000299189A (ja) | 1999-02-09 | 2000-10-24 | Sumitomo Chem Co Ltd | 高分子発光素子ならびにそれを用いた表示装置および面状光源 |
| JP2000252065A (ja) | 1999-02-25 | 2000-09-14 | Sumitomo Chem Co Ltd | 高分子発光素子 |
| WO2000053656A1 (en) | 1999-03-05 | 2000-09-14 | Cambridge Display Technology Limited | Polymer preparation |
| WO2000055927A1 (en) | 1999-03-12 | 2000-09-21 | Cambridge Display Technology Limited | Polymers, their preparation and uses |
| GB2348316A (en) | 1999-03-26 | 2000-09-27 | Cambridge Display Tech Ltd | Organic opto-electronic device |
| JP2000351967A (ja) | 1999-04-09 | 2000-12-19 | Sumitomo Chem Co Ltd | 高分子蛍光体およびそれを用いた高分子発光素子 |
| JP2000303066A (ja) | 1999-04-21 | 2000-10-31 | Sumitomo Chem Co Ltd | 高分子蛍光体およびそれを用いた高分子発光素子 |
| JP2001003045A (ja) | 1999-04-21 | 2001-01-09 | Sumitomo Chem Co Ltd | 高分子蛍光体およびそれを用いた高分子発光素子 |
| JP2001123156A (ja) | 1999-08-03 | 2001-05-08 | Sumitomo Chem Co Ltd | 高分子蛍光体およびそれを用いた高分子発光素子 |
| WO2001019834A1 (en) | 1999-09-16 | 2001-03-22 | Cambridge Display Technology Limited | Preparation of benzenediboronic acid via a disilylated aryl-intermediate |
| WO2001034722A1 (de) | 1999-11-09 | 2001-05-17 | Covion Organic Semiconductors Gmbh | Substituierte poly(arylenvinylene), verfahren zur herstellung und deren verwendung in elektrolumineszenzvorrichtungen |
| JP2001181618A (ja) | 1999-12-27 | 2001-07-03 | Sumitomo Chem Co Ltd | 高分子蛍光体の製造方法および高分子発光素子 |
| JP2004111095A (ja) * | 2002-09-13 | 2004-04-08 | Seiko Epson Corp | 電気光学装置及びその製造方法、並びに電子機器 |
| JP2006018157A (ja) * | 2004-07-05 | 2006-01-19 | Fuji Xerox Co Ltd | 有機機能性材料及びそれを用いた有機機能性素子 |
| JP2006303412A (ja) * | 2004-08-27 | 2006-11-02 | Showa Denko Kk | 有機発光素子及びその製造方法 |
| WO2006123696A1 (ja) * | 2005-05-17 | 2006-11-23 | Sumitomo Chemical Company, Limited | 有機エレクトロルミネッセンス用高分子組成物 |
Non-Patent Citations (10)
| Title |
|---|
| "Organic Light-Emitting Materials and Devices IV", J. AM. CHEM. SOC., vol. 119, no. 123, 2001, pages 4304 |
| ADV. MATER., vol. 11, no. 10, 1999, pages 852 |
| APPL. PHYS. LETT., vol. 71, no. 18, 1997, pages 2596 |
| APPL. PHYS. LETT., vol. 75, no. 1, 1999, pages 4 |
| JPN. J. APPL. PHYS., vol. 34, 1995, pages 1883 |
| NATURE, vol. 395, 1998, pages 151 |
| PROC. SPIE-INT. SOC. OPT. ENG., 2001, pages 4105 |
| See also references of EP2221898A4 |
| SYN. MET., vol. 94, no. 1, 1998, pages 103 |
| SYN. MET., vol. 99, no. 2, 1999, pages 1361 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011016543A1 (ja) * | 2009-08-07 | 2011-02-10 | 住友化学株式会社 | 有機エレクトロルミネッセンス素子及びその製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20100327267A1 (en) | 2010-12-30 |
| CN101874315A (zh) | 2010-10-27 |
| EP2221898A1 (en) | 2010-08-25 |
| KR20100113066A (ko) | 2010-10-20 |
| JP2009152564A (ja) | 2009-07-09 |
| EP2221898A4 (en) | 2013-01-23 |
| JP5217931B2 (ja) | 2013-06-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5625271B2 (ja) | 高分子化合物及びそれを用いた発光素子 | |
| JP5471048B2 (ja) | 共重合体及びそれを用いた高分子発光素子 | |
| JP5625272B2 (ja) | 1,3−ジエンを含む化合物及びその製造方法 | |
| JP5281800B2 (ja) | ブロック共重合体並びにそれを用いた組成物、液状組成物、発光性薄膜及び高分子発光素子 | |
| JP5740967B2 (ja) | 組成物及び該組成物を用いてなる発光素子 | |
| EP2471833B1 (en) | Polymer, composition, liquid composition, and conductive thin film | |
| JP5121355B2 (ja) | 有機薄膜の製造方法 | |
| JP5281801B2 (ja) | ブロック共重合体および高分子発光素子 | |
| WO2008016067A1 (en) | Polymer compound and polymer light-emitting device | |
| CN101682955B (zh) | 有机电致发光元件及使用该元件的显示装置 | |
| CN101511904A (zh) | 高分子化合物及高分子发光元件 | |
| JP5251043B2 (ja) | 高分子化合物および高分子発光素子 | |
| JP5407122B2 (ja) | 高分子化合物および高分子発光素子 | |
| WO2007020952A1 (ja) | 高分子材料およびそれを用いた素子 | |
| WO2009069820A1 (ja) | 有機エレクトロルミネッセンス素子及びその製造方法 | |
| JP4614735B2 (ja) | 高分子材料及びそれを用いた高分子発光素子 | |
| JP5217361B2 (ja) | 高分子化合物及びそれを用いた高分子発光素子 | |
| JP2010171189A (ja) | 有機エレクトロルミネッセンス素子およびその製造方法 | |
| JP5096885B2 (ja) | 有機化合物およびシリカナノ粒子からなる組成物。 | |
| JP2010278157A (ja) | 有機エレクトロルミネッセンス素子及びその製造方法 | |
| JP2010277794A (ja) | 有機エレクトロルミネッセンス素子の製造方法 | |
| WO2011016543A1 (ja) | 有機エレクトロルミネッセンス素子及びその製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WWE | Wipo information: entry into national phase |
Ref document number: 200880117739.3 Country of ref document: CN |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 08854836 Country of ref document: EP Kind code of ref document: A1 |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 12744811 Country of ref document: US |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2008854836 Country of ref document: EP |
|
| ENP | Entry into the national phase |
Ref document number: 20107014077 Country of ref document: KR Kind code of ref document: A |