CN109301057A - Wavelength converting member and light-emitting device using the same - Google Patents
Wavelength converting member and light-emitting device using the same Download PDFInfo
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- CN109301057A CN109301057A CN201811358536.5A CN201811358536A CN109301057A CN 109301057 A CN109301057 A CN 109301057A CN 201811358536 A CN201811358536 A CN 201811358536A CN 109301057 A CN109301057 A CN 109301057A
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- wavelength conversion
- conversion member
- light
- inorganic phosphor
- glass matrix
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 75
- 239000011521 glass Substances 0.000 claims abstract description 67
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000011159 matrix material Substances 0.000 claims abstract description 34
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 19
- 229910052681 coesite Inorganic materials 0.000 claims abstract description 18
- 229910052906 cristobalite Inorganic materials 0.000 claims abstract description 18
- 229910052682 stishovite Inorganic materials 0.000 claims abstract description 18
- 229910052905 tridymite Inorganic materials 0.000 claims abstract description 18
- 150000004767 nitrides Chemical class 0.000 claims abstract description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims abstract description 4
- RCJVRSBWZCNNQT-UHFFFAOYSA-N dichloridooxygen Chemical compound ClOCl RCJVRSBWZCNNQT-UHFFFAOYSA-N 0.000 claims abstract description 4
- 150000004820 halides Chemical class 0.000 claims abstract description 3
- 239000000843 powder Substances 0.000 claims description 23
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 18
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 14
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 14
- FUJCRWPEOMXPAD-UHFFFAOYSA-N Li2O Inorganic materials [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 claims description 13
- XUCJHNOBJLKZNU-UHFFFAOYSA-M dilithium;hydroxide Chemical compound [Li+].[Li+].[OH-] XUCJHNOBJLKZNU-UHFFFAOYSA-M 0.000 claims description 13
- 229910052593 corundum Inorganic materials 0.000 claims description 11
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 11
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical compound [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 claims description 4
- 229910019142 PO4 Inorganic materials 0.000 claims description 3
- 239000010452 phosphate Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 2
- 230000007423 decrease Effects 0.000 abstract description 31
- 229910052708 sodium Inorganic materials 0.000 abstract description 3
- 229910018068 Li 2 O Inorganic materials 0.000 abstract 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 abstract 1
- 150000004645 aluminates Chemical class 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 239000004615 ingredient Substances 0.000 description 17
- 239000003973 paint Substances 0.000 description 13
- 238000010304 firing Methods 0.000 description 11
- 238000005286 illumination Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 230000004907 flux Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
- 230000006866 deterioration Effects 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- NOTVAPJNGZMVSD-UHFFFAOYSA-N potassium monoxide Inorganic materials [K]O[K] NOTVAPJNGZMVSD-UHFFFAOYSA-N 0.000 description 6
- 238000001228 spectrum Methods 0.000 description 6
- 230000036962 time dependent Effects 0.000 description 6
- 239000003513 alkali Substances 0.000 description 5
- 229910052783 alkali metal Inorganic materials 0.000 description 5
- 150000001340 alkali metals Chemical class 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000011734 sodium Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 239000011812 mixed powder Substances 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910017623 MgSi2 Inorganic materials 0.000 description 3
- 229910003564 SiAlON Inorganic materials 0.000 description 3
- 229910002808 Si–O–Si Inorganic materials 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 229910003669 SrAl2O4 Inorganic materials 0.000 description 2
- 239000005084 Strontium aluminate Substances 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 229910052909 inorganic silicate Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Chemical compound O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 description 2
- -1 oxonium ion Chemical class 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
- 229910016010 BaAl2 Inorganic materials 0.000 description 1
- 241001062009 Indigofera Species 0.000 description 1
- 229910007536 Li2Si2 Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910003069 TeO2 Inorganic materials 0.000 description 1
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 1
- 229910001413 alkali metal ion Inorganic materials 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- GHPGOEFPKIHBNM-UHFFFAOYSA-N antimony(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Sb+3].[Sb+3] GHPGOEFPKIHBNM-UHFFFAOYSA-N 0.000 description 1
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(III) oxide Inorganic materials O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000002050 diffraction method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- CMIHHWBVHJVIGI-UHFFFAOYSA-N gadolinium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Gd+3].[Gd+3] CMIHHWBVHJVIGI-UHFFFAOYSA-N 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- 230000026030 halogenation Effects 0.000 description 1
- 238000005658 halogenation reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011799 hole material Substances 0.000 description 1
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum oxide Inorganic materials [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000879 optical micrograph Methods 0.000 description 1
- KTUFCUMIWABKDW-UHFFFAOYSA-N oxo(oxolanthaniooxy)lanthanum Chemical compound O=[La]O[La]=O KTUFCUMIWABKDW-UHFFFAOYSA-N 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- PBCFLUZVCVVTBY-UHFFFAOYSA-N tantalum pentoxide Inorganic materials O=[Ta](=O)O[Ta](=O)=O PBCFLUZVCVVTBY-UHFFFAOYSA-N 0.000 description 1
- LAJZODKXOMJMPK-UHFFFAOYSA-N tellurium dioxide Chemical compound O=[Te]=O LAJZODKXOMJMPK-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C14/00—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
- C03C14/006—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix the non-glass component being in the form of microcrystallites, e.g. of optically or electrically active material
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
- C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/097—Glass compositions containing silica with 40% to 90% silica, by weight containing phosphorus, niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C4/00—Compositions for glass with special properties
- C03C4/12—Compositions for glass with special properties for luminescent glass; for fluorescent glass
-
- 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
- C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
-
- 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
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/30—Elements containing photoluminescent material distinct from or spaced from the light source
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/851—Wavelength conversion means
- H10H20/8511—Wavelength conversion means characterised by their material, e.g. binder
- H10H20/8512—Wavelength conversion materials
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2214/00—Nature of the non-vitreous component
- C03C2214/16—Microcrystallites, e.g. of optically or electrically active material
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Ceramic Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Glass Compositions (AREA)
- Led Device Packages (AREA)
- Luminescent Compositions (AREA)
- Optical Filters (AREA)
Abstract
本发明提供一种在照射LED、LD的光的情况下，经时性的发光强度的下降少的波长变换部件及使用该部件而成的发光器件。一种波长变换部件，在玻璃基质中分散无机荧光体而成，该波长变换部件的特征在于，玻璃基质以摩尔％计含有：SiO240～53％、B2O30.1～35％、Al2O30.1～10％、Li2O0～10％、Na2O0～10％、K2O0～10％、Li2O+Na2O+K2O0.1～10％、MgO0～35％、CaO0～35％、SrO0～35％、BaO0～35％、MgO+CaO+SrO+BaO0.1～35％及ZnO0～15％，无机荧光体为选自氧化物荧光体、氮化物荧光体、氮氧化物荧光体、氯化物荧光体、氯氧化物荧光体、卤化物荧光体、铝酸盐荧光体及卤磷酸盐化物荧光体中的至少一种。
The present invention provides a wavelength conversion member with little decrease in luminous intensity over time when irradiated with light from LEDs and LDs, and a light-emitting device using the same. A wavelength conversion member is obtained by dispersing an inorganic phosphor in a glass matrix, and the wavelength conversion member is characterized in that the glass matrix contains in mol%: SiO2 40-53 %, B2O3 0.1-35 %, Al 2 O 3 0.1 to 10%, Li 2 O 0 to 10%, Na 2 O 0 to 10%, K 2 O 0 to 10%, Li 2 O+Na 2 O+K 2 O 0.1 to 10%, MgO 0 to 35% , CaO0～35%, SrO0～35%, BaO0～35%, MgO+CaO+SrO+BaO0.1～35% and ZnO0～15%, the inorganic phosphor is selected from oxide phosphor, nitride phosphor, At least one of oxynitride phosphors, chloride phosphors, oxychloride phosphors, halide phosphors, aluminate phosphors, and halophosphate phosphors.
Description
This case isOn 03 13rd, 2015, application No. is201580003341.7, it is entitled "Wavelength becomes Change component and using luminescent device made of the component" divisional application
Technical field
The present invention relates to wavelength conversion member, be used for by light emitting diode (LED:Light Emitting Diode),
The wavelength conversion for the light that the light-emitting components such as laser diode (LD:Laser Diode) issue is at other wavelength.
Background technique
In recent years, as the next-generation light source for replacing fluorescent lamp, incandescent lamp, electric power is low from consumption, small-size light-weight, readily
From the perspective of light quantity is adjusted in this way, the concern for the light source for using LED, LD is increasingly increased.As this next-generation light source
A kind of light source is disclosed in an example, such as patent document 1, configured with light of the absorption from LED on the LED for projecting blue light
A part and be transformed into the wavelength conversion member of sodium yellow.The light source is issued as the blue light projected from LED and from wavelength
The white light of the synthesis light for the sodium yellow that transform component projects.
It is previous to use the component that inorganic phosphor is dispersed in resinous substrates as wavelength conversion member.But make
In the case where with the wavelength conversion member, exist since the light guide from LED causes resin deterioration, so that light-source brightness is easy decline
The problem of.It is especially in the presence of the heat since LED is issued, short wavelength (blue~ultraviolet) light guide of high-energy causes resinous substrates bad
Change, so as to cause discoloration, deformation such problems.
Then, the complete inoganic solids including dispersing fixed inorganic fluorophor in glass matrix instead of resin are proposed
Wavelength conversion member (for example, referring to patent document 2 and 3).The wavelength conversion member has the feature that the glass as base material
Glass is not easy the heat due to LED chip, irradiation light causes to deteriorate, to be not likely to produce discoloration, deformation such problems.
However, firing when wavelength conversion member documented by patent document 2 and 3 exists due to manufacture leads to inorganic fluorescent
The problem of body deteriorates and brightness is easy deterioration.Especially in the demanding colour rendering on the way such as general illumination, special lighting,
Therefore, it is necessary to use inorganic phosphor red, that heat resistance as green is relatively low, so that there are the deteriorations of inorganic phosphor
Become significant trend.Then, a kind of wavelength conversion member is proposed, is aoxidized in glass composition containing alkali metal by making
Object reduces the softening point of glass powder (for example, referring to patent document 4).The wavelength conversion member can be by compare low temperature
Firing manufacture, therefore, can inhibit fire when inorganic phosphor deterioration.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2000-208815 bulletin
Patent document 2: Japanese Unexamined Patent Publication 2003-258308 bulletin
Patent document 3: No. 4895541 bulletin of patent
Patent document 4: Japanese Unexamined Patent Publication 2007-302858 bulletin
Summary of the invention
Problems to be solved by the invention
Wavelength conversion member documented by patent document 4 has that luminous intensity declines with being easy time dependent.With
The further output of the light sources such as LED, LD in recent years increases, and the decline by the time of luminous intensity is more and more significant.
Therefore, the object of the present invention is to provide it is a kind of irradiation LED, LD light in the case where, strong light by the time
Degree declines few wavelength conversion member and using luminescent device made of the component.
Solution for solving the problem
Wavelength conversion member of the invention is dispersed inorganic phosphor in glass matrix and is formed, the wavelength conversion member
It is characterized in that, glass matrix is contained in terms of mole %: SiO240~60%, B2O30.1~35%, Al2O30.1~10%,
Li2O0~10%, Na2O0~10%, K2O0~10%, Li2O+Na2O+K2O0.1~10%, MgO0~45%, CaO0~
45%, SrO0~45%, BaO0~45%, MgO+CaO+SrO+BaO0.1~45% and ZnO0~15%, inorganic phosphor are
Selected from oxide phosphor, nitride phosphor, nitrogen oxides fluorophor, chloride fluorophor, oxychloride fluorophor, halogenation
At least one of object fluorophor, chlorate MClO 3 fluorescent substance and halogen-phosphate compound fluorophor.
The inventors of the present invention have found that the decline by the time of the luminous intensity in wavelength conversion member is especially formed by glass
Contained in alkali metal component, SiO2The influence of ingredient.The mechanism is presumed as follows.
If existing to the glass matrix irradiation exciting light in composition containing alkali metal element by the energy of exciting light
The electronics of the outermost shell of oxonium ion in glass matrix is excited, and separates from oxonium ion.In part of it and glass matrix
Alkali ion in conjunction with and form paint centre (here, alkali ion be detached from then form vacancy).On the other hand, pass through electron detachment
The hole of generation is moved in glass matrix, and the vacancy trapping that a part is formed after being detached from by alkali ion forms paint centre.
Being considered as forming these paint centres in glass matrix becomes the absorption source of exciting light, fluorescence, thus wavelength conversion member
Luminous intensity decline.Additionally, there are the heat being generated by inorganic phosphor (to generate due to wavelength conversion loss becomes
Heat) trend that causes the movement of electronics, hole, alkali ion in glass matrix to become active.Accelerate paint centre as a result,
It is formed, luminous intensity is easy decline.Then, in the present invention, contain alkali metal element as an essential component on one side, on one side as above-mentioned
Its content is limited on a small quantity, inhibit the rising of softening point as a result, and inhibits the generation of paint centre.
In addition, SiO in composition2Ratio when content is more, in glass matrix as the Si-O-Si combination of network former
Become more, glass matrix structure stabilization.Therefore, by Si-O-Si combine in Si and O between combination cutting formed
Non-crosslinked oxygen is held stably, which becomes paint centre, and becomes the reason of luminous intensity declines.However, group
At middle SiO2When content is few, the content of other ingredients is opposite to become more, the combination other than Si-O-Si combination increase (for example, Ba,
Other elements such as Na enter between Si and O), the stability decline of glass matrix structure as a result,.It is formed in this state non-crosslinked
When oxygen, the stability of the bonding state around Si element declines, and therefore, non-crosslinked oxygen is not easy to be held stably.As a result, can
Inhibit the formation of paint centre.
In addition, the glass matrix in wavelength conversion member of the invention contains alkaline-earth oxide (containing MgO) as required
Ingredient.Alkaline-earth oxide hinders the movement of alkali metal ion and other ions in glass matrix.As a result, paint centre is not easy
It is formed, is able to suppress the decline by the time of luminous intensity.
In wavelength conversion member of the invention, preferably glass matrix contains respectively 0.1% or more Li2O、Na2O and
K2O。
In wavelength conversion member of the invention, preferably the softening point of glass matrix is 400~800 DEG C.
Wavelength conversion member of the invention preferably comprises the inorganic phosphor of 0.01~30 mass %.
Wavelength conversion member of the invention is preferably made of sintered powder.
Luminescent device of the invention, which is characterized in that have above-mentioned wavelength conversion member and wavelength conversion member is irradiated
The light source of exciting light.
Invention effect
According to the present invention it is possible to provide irradiation LED, LD light in the case where, luminous intensity declines few by the time
Wavelength conversion member and use luminescent device made of the component.
Detailed description of the invention
Fig. 1 is the schematical side view of the luminescent device of one embodiment of the present invention.
Specific embodiment
Wavelength conversion member of the invention is to disperse component made of inorganic phosphor in glass matrix.Glass matrix with
Mole % meter contains: SiO240~60%, B2O30.1~35%, Al2O30.1~10%, Li2O0~10%, Na2O0~10%,
K2O0~10%, Li2O+Na2O+K2O0.1~10%, MgO0~45%, CaO0~45%, SrO0~45%, BaO0~45%,
MgO+CaO+SrO+BaO0.1~45% and ZnO0~15%.Explanation limits the reason of glass compositing range so below.
SiO2It is the ingredient to form glass network.SiO2Content be 40~60%, preferably 45~55%.If SiO2's
Content is very few, then there is weatherability, mechanical strength downward trend.However, if SiO2Content it is excessive, then luminous intensity be easy
Decline to time dependent.In addition, sintering temperature becomes high temperature when manufacturing wavelength conversion member, inorganic phosphor is easy deterioration.
B2O3It is the ingredient for reducing melting temperature and significantly improving meltbility.B2O3Content be 0.1~35%, preferably
It is 1~30%.If B2O3Content it is very few, then be difficult to obtain said effect.In addition, when manufacturing wavelength conversion member, sintering temperature
Degree becomes high temperature, and inorganic phosphor is easy deterioration.However, if B2O3Content it is excessive, then luminous intensity be easy time dependent underground
Drop.In addition, weatherability is easy decline.
In addition, SiO2And B2O3Ratio SiO2/B2O3The value of (molar ratio) be 1~7,1~6.5,1.1~6,1.15~5,
1.2~4,1.5~3.5, particularly preferably 1.7~2.5.If SiO2/B2O3Value it is excessive, then SiO2Ratio become larger, be easy shape
Paint centre caused by being detached from by O element, thus there are luminous intensity time dependent downward trend.However, if SiO2/
B2O3Value it is too small, then B2O3Ratio become larger, weatherability be easy decline.
Al2O3It is the ingredient for improving weatherability, mechanical strength.Al2O3Content be 0.1~10%, preferably 2~8%.
If Al2O3Content it is very few, be difficult to obtain said effect.However, if Al2O3Content it is excessive, then exist meltbility decline become
Gesture.
In addition, in order to realize high weatherability, preferably by SiO2+B2O3+Al2O3Content be set as 55% or more, more preferably
It is set as 60% or more, is further preferably set as 65% or more, 67% or more is particularly preferably set as, is most preferably set as 70% or more.
SiO2+B2O3+Al2O3The upper limit of content be not particularly limited, but it is excessive when, meltbility is easy decline, it is therefore preferable that being set as
85% hereinafter, be more preferably set as 84% hereinafter, being further preferably set as 83% or less.
Li2O、Na2O and K2O is the ingredient for making melting temperature decline, improving meltbility and declining softening point.These at
The content divided is respectively 0~10%, and preferably 0~5%, more preferably 0.1~2%.If the content of these ingredients is excessive, deposit
In weatherability downward trend.
In addition, Li2O+Na2O+K2The content of O is 0.1~10%, preferably 1~7%, more preferably 2~5%.If Li2O
+Na2O+K2The content of O is very few, and softening point does not tend to decrease.However, if Li2O+Na2O+K2The content of O is excessive, under weatherability is easy
Drop, and since the irradiation of the light of LED, LD causes luminous intensity to decline with being easy time dependent.Li2O、Na2O and K2O is preferably mixed
Using two or more, it is particularly preferably used in mixed way 3 kinds.Specifically, it is preferable that containing the Li for being respectively 0.1% or more2O、Na2O
And K2O.It sets in this way, then softening point can efficiently be reduced by mixed base effect.In addition, if by each basic anhydride
When content is set as equal, it is easy to get mixed base effect.
In order to realize high weatherability, preferably SiO of the appropriate adjustment as the ingredient for contributing to weatherability raising2、B2O3And
Al2O3Total amount with become weatherability decline the reason of alkali metal oxide (Li2O, Na2O and K2O the ratio of content).Tool
For body, (Li2O+Na2O+K2O)/(SiO2+B2O3+Al2O3) (molar ratio) be preferably 0.2 hereinafter, more preferably 0.18 hereinafter,
Further preferably 0.15 or less.
MgO, CaO, SrO and BaO are the ingredients for making melting temperature decline, improving meltbility and declining softening point.Separately
Outside, the movement of the ion due to being formed caused by the light irradiation of LED, LD as paint centre is hindered, also have
Inhibit the effect of luminous intensity declined by the time.The content of these ingredients is respectively 0~45%, and preferably 10~45%,
Particularly preferably 15~35%.If the content of these ingredients is excessive, there are weatherability downward trends.In addition, mass number is big
BaO hinder become paint centre formation the reason of ion movement effect it is obvious, luminous intensity can be effectively inhibited
Decline by the time.
In addition, the content of MgO+CaO+SrO+BaO be 0.1~45%, preferably 0.1~40%, more preferably 0.1~
35%, further preferably 1~30%, particularly preferably 5~25%.If the content of MgO+CaO+SrO+BaO is very few, soften
Point does not tend to decrease, and is difficult to obtain the effect declined by the time for inhibiting luminous intensity.However, if MgO+CaO+SrO+
The content of BaO is excessive, then weatherability is easy decline.
ZnO is the ingredient for declining melting temperature and improving meltbility.The content of ZnO be 0~15%, preferably 0~
12%, more preferably 0~10%, further preferably 1~7%.If the content of ZnO is excessive, there are becoming for weatherability decline
Gesture.
In addition, in addition to the above ingredients, various composition can also be contained in the range of not influencing effect of the present invention.Example
It such as, can also be by P2O5、La2O3、Ta2O5、TeO2、TiO2、Nb2O5、Gd2O3、Y2O3、CeO2、Sb2O3、SnO2、Bi2O3And ZrO2Deng
Contain 15% respectively hereinafter, further containing 10% hereinafter, especially containing 5% hereinafter, and being 30% below with total amount
Range contains.Alternatively, it is also possible to contain F.F has the effect of reducing softening point, therefore, instead of the original formed as paint centre
The alkali metal component of one of cause, containing F, it is possible thereby to inhibit luminous intensity by the time in the state of maintaining softening point
Decline.The content of F is calculated as 0~20%, preferably 0~10%, particularly preferably 0.1~5% with anion %.
The softening point of glass matrix is preferably 400~800 DEG C, and more preferably 450~750 DEG C, further preferably 500~
700℃.If softening point is too low, mechanical strength and weatherability are easy decline.However, if softening point is excessively high, when due to manufacture
Firing cause inorganic phosphor be easy deterioration.
In addition, in general, in most cases, the refractive index of inorganic phosphor is higher than the refractive index of glass.Wavelength conversion
In component, if the refringence of inorganic phosphor and glass matrix is big, exciting light is on the boundary of inorganic phosphor and glass matrix
Face is easy to happen scattering.As a result, exciting light gets higher the illumination efficiency of inorganic phosphor, luminous efficiency is easy to improve.But
It is that, if the refringence of inorganic phosphor and glass matrix is excessive, exciting light excessively scatters, to become scattering loss, instead
And there are luminous efficiency downward trends.In view of above, the refringence of inorganic phosphor and glass matrix is preferably 0.001~
0.5 or so.In addition, the refractive index (nd) of glass matrix is preferably 1.45~1.8, and more preferably 1.47~1.75, it is further excellent
It is selected as 1.48~1.6.
Inorganic phosphor in the present invention is selected from oxide phosphor (the garnet system fluorescence comprising YAG fluorophor etc.
Body), nitride phosphor, nitrogen oxides fluorophor, chloride fluorophor, oxychloride fluorophor, halide fluorophor, aluminic acid
At least one of salt fluorophor and halogen-phosphate compound fluorophor.In these inorganic phosphors, oxide phosphor, nitride
The heat resistance of fluorophor and nitrogen oxides fluorophor is higher, the less susceptible deterioration when firing, so it is preferred that.In addition, nitride
Fluorophor and nitrogen oxides fluorophor have the feature that near ultraviolet~indigo plant exciting light is transformed into it is green~red such wide
Wavelength region, and luminous intensity is also high.Therefore, nitride phosphor and nitrogen oxides fluorophor are especially as white
The inorganic phosphor of LED element wavelength conversion member is effective.In order to inhibit the heat generated by inorganic phosphor to be transferred to
Glass matrix also can be used and be coated processed inorganic phosphor.Electronics in inhibition glass matrix, hole, alkali as a result,
Activeization of the movement of property ion, as a result, being able to suppress the formation of paint centre.As covering material, preferably aoxidize
Object.In addition, as fluorophor other than the above, sulphide phosphor can be enumerated, but sulphide phosphor time dependent deteriorate,
Or reacted with glass matrix, so that luminous intensity is easy decline, therefore, do not used in the present invention.
As above-mentioned inorganic phosphor, can enumerate 300~500nm of wavelength have excitation band and wavelength 380~
780nm has the fluorophor of glow peak, especially issue blue (440~480nm of wavelength), green (500~540nm of wavelength),
The fluorophor of the light of yellow (540~595nm of wavelength), red (600~700nm of wavelength).
The luminous inorganic glimmering of blue is issued when exciting light as ultraviolet~near ultraviolet of 300~440nm of illumination wavelength
Body of light can enumerate (Sr, Ba) MgAl10O17: Eu2+, (Sr, Ba)3MgSi2O8: Eu2+Deng.
The inorganic glimmering of the fluorescence of green is issued when exciting light as ultraviolet~near ultraviolet of 300~440nm of illumination wavelength
Body of light can enumerate SrAl2O4: Eu2+、SrBaSiO4: Eu2+、Y3(Al、Gd)5O12: Ce3+, SrSiON:Eu2+、BaMgAl10O17: Eu2 +、Mn2+、Ba2MgSi2O7: Eu2+、Ba2SiO4: Eu2+、Ba2Li2Si2O7: Eu2+、BaAl2O4: Eu2+Deng.
As 440~480nm of illumination wavelength blue exciting light when issue green fluorescence inorganic phosphor, can arrange
Lift SrAl2O4: Eu2+、SrBaSiO4: Eu2+、Y3(Al、Gd)5O12: Ce3+, SrSiON:Eu2+, β-SiAlON:Eu2+Deng.
The inorganic glimmering of the fluorescence of yellow is issued when exciting light as ultraviolet~near ultraviolet of 300~440nm of illumination wavelength
Body of light can enumerate La3Si6N11: Ce3+Deng.
As 440~480nm of illumination wavelength blue exciting light when issue yellow fluorescence inorganic phosphor, can arrange
Lift Y3(Al, Gd)5O12: Ce3+、Sr2SiO4: Eu2+。
The inorganic glimmering of red fluorescence is issued when exciting light as ultraviolet~near ultraviolet of 300~440nm of illumination wavelength
Body of light can enumerate MgSr3Si2O8: Eu2+、Mn2+、Ca2MgSi2O7: Eu2+、Mn2+Deng.
The inorganic phosphor that red fluorescence is issued when exciting light as the blue of 440~480nm of illumination wavelength, can arrange
Lift CaAlSiN3: Eu2+、CaSiN3: Eu2+、(Ca、Sr)2Si5N8: Eu2+, α-SiAlON:Eu2+Deng.
In addition it is also possible to cooperate exciting light and luminous wavelength domain, it is used in mixed way multiple inorganic phosphors.For example, shining
Penetrate ultraviolet range exciting light obtain white light in the case where, be used in mixed way issue blue, green, yellow, red fluorescence nothing
Machine fluorophor.
The luminous efficiency (lm/W) of wavelength conversion member becomes according to the type and content of inorganic phosphor, in turn according to wavelength
It changes thickness of component etc. and changes.The content of inorganic phosphor and the thickness of wavelength conversion member become optimal with luminous efficiency
Mode carries out appropriate adjustment.If the content of inorganic phosphor is excessive, it may be not easy to be sintered or the porosity becomes
Greatly, to be not easy asking for mechanical strength decline for making exciting light efficiently expose to inorganic phosphor or wavelength conversion member etc.
Topic.However, being difficult to obtain required luminous intensity if the content of inorganic phosphor is very few.From this point of view, this hair
The content of inorganic phosphor in bright wavelength conversion member is preferably 0.01~30 mass %, more preferably 0.05~25 matter
Measure %, further preferably 0.08~20 mass %.
In addition, will make the fluorescence generated in wavelength conversion member to the reflection of excitation light incident side to mainly only take fluorescence
Into the external wavelength conversion member issued as a purpose, not by above-mentioned restriction, the content (example of inorganic phosphor can be increased
Such as, 30~80 mass % is further 40~75 mass %), so that luminous intensity becomes maximum.
It, can also be by aluminium oxide, silica, oxygen other than inorganic phosphor in wavelength conversion member of the invention
The photodiffusion material for changing magnesium etc. contains until being in the total amount 30 mass %.
Wavelength conversion member of the invention is preferably made of sintered powder.Specifically, it is preferable that by containing glass powder
It is constituted with the sintered body of the mixed-powder of inorganic phosphor powder.It sets in this way, can easily be produced on glass matrix
In the evenly dispersed wavelength conversion member for having inorganic phosphor.
The maximum particle diameter D of glass powdermaxPreferably 200 μm hereinafter, more preferably 150 μm hereinafter, further preferably
105 μm or less.The average grain diameter D of glass powder50Preferably 0.1 μm or more, more preferably 1 μm or more, further preferably 2 μm
More than.If the maximum particle diameter D of glass powdermaxExcessive, then in obtained wavelength conversion member, exciting light is not easy to scatter, hair
Light efficiency is easy decline.In addition, if the average grain diameter D of glass powder50It is too small, then in obtained wavelength conversion member, swash
Shine excessively scattering, and luminous efficiency is easy decline.
In addition, in the present invention, maximum particle diameter DmaxWith average grain diameter D50Refer to the value measured by laser diffractometry.
The firing temperature of mixed-powder containing glass powder and inorganic phosphor be preferably glass powder softening point ±
Within 150 DEG C, more preferably within softening point ± 100 DEG C of glass powder.If firing temperature is too low, glass powder does not flow
It is dynamic, it is difficult to obtain fine and close sintered body.However, there are following worries if firing temperature is excessively high: inorganic phosphor ingredient exists
It is melted out in glass, so that luminous intensity decline or inorganic phosphor ingredient are spread in glass, glass coloration, to shine
Intensity decline.
It is carried out preferably in reduced pressure atmosphere in addition, firing.Specifically, the atmosphere in firing be preferably less than 1.013 ×
105Pa, more preferably 1000Pa are hereinafter, further preferably 400Pa or less.Thereby, it is possible to reduce in wavelength conversion member
The amount of remaining bubble.As a result, it is possible to reduce the dispersion factor in wavelength conversion member, luminous efficiency can be improved.In addition,
Process entirety can be fired in reduced pressure atmosphere, such as can also only be fired process in reduced pressure atmosphere, and by its
Heating process, the cooling process of front and back carry out in the atmosphere (such as under atmospheric pressure) of non-reduced pressure atmosphere.
The shape of wavelength conversion member of the invention is not particularly limited, in addition to such as plate, column, hemispherical, hemisphere
It is dome-shaped etc., its own component with specific shape, but also the substrate table including being formed in glass substrate, ceramic substrate etc.
The sintered body being film-like in face etc..
The embodiment of luminescent device of the invention is indicated in Fig. 1.As shown in Figure 1, luminescent device 1 has wavelength conversion section
Part 2 and light source 3.Light source 3 irradiates exciting light L1 to wavelength conversion member 2.It is incident to the exciting light L1 transformation of wavelength conversion member 2
At the fluorescence L2 of other wavelength, projected from the opposite side of light source 3.At this point, also can be set to as follows: projecting without wavelength conversion
And the synthesis light of the exciting light L1 and fluorescence L2 transmitted.
Embodiment
Hereinafter, based on embodiment, the present invention will be described in detail, but the present invention is not limited to these embodiments.
(1) production of glass powder
Table 1 and 2 indicates the (examination of glass powder used in glass powder (Sample A~M) used in embodiment and comparative example
Sample N~P).
[table 1]
[table 2]
Firstly, the preparation raw material in the way of becoming glass shown in table 1 and 2 and form.By raw material using platinum crucible with 800~
1500 DEG C of temperature melts progress vitrifying in 1~2 hour, and melten glass is flowed out between a pair of of chill roll, is shaped to film as a result,
Shape.After film-like glass formed body is crushed using ball mill, it is classified, obtains average grain diameter D50For 2.5 μm of glass powder.
For obtained glass powder, softening point and weatherability are measured by following methods.
Softening point, which is used, becomes 10 using elongate fiber method viscosity7.6The temperature of dPas.
Weatherability is evaluated as follows.Glass powder is press-formed using mold, production diameter 1cm it is cylindric it is pre- at
Type body obtains columned sintered body sample by being fired with firing temperature documented by table 1 and 2.It is made using the Pingshan Mountain
Made HAST testing machine PC-242HSR2 keeps sample 300 hours under conditions of 121 DEG C, 95%RH, 2 atmospheric pressure, sees
Specimen surface is examined, evaluates weatherability as a result,.Specifically, will be tried before and after the test by optical microphotograph sem observation (× 500)
As "○", in specimen surface sample that glass ingredient or gloss disappear is precipitated as "×" in the sample that sample surface does not change,
It is evaluated.
(2) production of wavelength conversion member
Table 3~6 indicates the embodiment of the present invention (sample 1~13,17~29) and comparative example (14~16,30~32).
[table 3]
[table 4]
[table 5]
[table 6]
It is inorganic more glimmering than shown in mixture table 3~6 with defined quality into each glass powder sample documented by table 1 and 2
Body of light powder, obtains mixed-powder.Mixed-powder is press-formed in a mold, production diameter 1cm it is cylindric it is pre- at
Type body.After preform is fired, processing is implemented to obtained sintered body, obtains the disk of diameter 8mm, thickness 0.2mm as a result,
The wavelength conversion member of shape.In addition, firing temperature is according to used glass powder, it is warm using being fired documented by table 1 and 2
Degree.Luminescent spectrum is measured to obtained wavelength conversion member, calculates luminous efficiency.Result is indicated in table 3~6.
Luminous efficiency acquires as follows.Firstly, wavelength conversion member is arranged on the light source of excitation wavelength 460nm, measurement exists
The Energy distribution spectrum of the light issued above wavelength conversion member in integrating sphere.Then, the spectrum obtained is opposite multiplied by standard
Visibility, calculates total light flux, and total light flux calculates luminous efficiency divided by the power of light source.
Then, above-mentioned wavelength conversion member is processed into 1.2mm square, obtains the wavelength conversion member of small pieces.It will be small
The wavelength conversion member of piece is positioned in on the LED chip of the 650mA emission wavelength 445nm being powered, and is carried out 100 hours
Continuous illumination is penetrated.For the wavelength conversion member before light irradiation and after light irradiation 100 hours, general luminescent spectrum is utilized to measure
The Energy distribution spectrum for the light that device measurement issues above wavelength conversion member in integrating sphere.Obtained luminescent spectrum multiplied by
Standard relatlve visibility calculates total light flux value as a result,.The change rate of total light flux value uses up total light after irradiation 100 hours
Amount of flux irradiated divided by light before total light flux value and indicated multiplied by 100 obtained values (%), and indicated in table 3~6.
Such as from table 3 and 4 it is found that in the case where using α-SiAlON as inorganic phosphor, as embodiment 1~
13 wavelength conversion member makes the total light flux value after light irradiation in 100 hours maintain 98% or more before light irradiation, relatively
In this, the total light flux value after the 100 hours light irradiation of 14~16 wavelength conversion member as comparative example declines to a great extent
For 96.5% or less before light irradiation.
Such as from table 5 and 6 it is found that 17~29 wave in the case where using YAG as inorganic phosphor, as embodiment
Long transform component carry out 100 hours light irradiation after, do not confirm the decline of total light flux value yet, in contrast, as than
It declines to a great extent compared with the total light flux value after the 100 hours light irradiation of 30~32 wavelength conversion member of example as before light irradiation
98.5% or less.
Industrial utilizability
Wavelength conversion member of the invention is suitable for the general illumination of White LED etc., special lighting (such as projector light
Source, automobile headlamp light source) etc. component parts.
Appended drawing reference
1 luminescent device
2 wavelength conversion members
3 light sources
Claims (6)
1. a kind of wavelength conversion member is dispersed inorganic phosphor in glass matrix and formed, the feature of the wavelength conversion member exists
In:
The glass matrix is contained in terms of mole %: SiO240~53%, B2O30.1~35%, Al2O30.1~10%,
Li2O 0~10%, Na2O 0~10%, K2O 0~10%, Li2O+Na2O+K2O 0.1~10%, MgO 0~45%, CaO 0
~45%, SrO 0~45%, BaO 0~45%, MgO+CaO+SrO+BaO 0.1~45% and ZnO 0~15%,
The inorganic phosphor is selected from oxide phosphor, nitride phosphor, nitrogen oxides fluorophor, chloride fluorescence
At least one of body, oxychloride fluorophor, halide fluorophor, chlorate MClO 3 fluorescent substance and halogen-phosphate compound fluorophor.
2. wavelength conversion member as described in claim 1, it is characterised in that:
The glass matrix contains respectively 0.1% or more Li2O、Na2O and K2O。
3. wavelength conversion member as claimed in claim 1 or 2, it is characterised in that:
The softening point of the glass matrix is 400~800 DEG C.
4. wavelength conversion member as claimed in claim 1 or 2, it is characterised in that:
The inorganic phosphor containing 0.01~30 mass %.
5. wavelength conversion member as claimed in claim 1 or 2, it is characterised in that:
It is made of sintered powder.
6. a kind of luminescent device, it is characterised in that:
Have wavelength conversion member according to any one of claims 1 to 5 and exciting light is irradiated to the wavelength conversion member
Light source.
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| JP2015032745A JP2015199640A (en) | 2014-04-01 | 2015-02-23 | Wavelength conversion member and light-emitting device using the same |
| CN201580003341.7A CN105849921A (en) | 2014-04-01 | 2015-03-13 | Wavelength conversion component and light-emitting device using the component |
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| JP6906277B2 (en) * | 2016-06-27 | 2021-07-21 | 日本電気硝子株式会社 | Wavelength conversion member and light emitting device using it |
| JP6880528B2 (en) * | 2016-06-27 | 2021-06-02 | 日本電気硝子株式会社 | Wavelength conversion member and light emitting device using it |
| JP6902199B2 (en) * | 2016-06-27 | 2021-07-14 | 日本電気硝子株式会社 | Wavelength conversion member and light emitting device using it |
| JP7022367B2 (en) * | 2017-09-27 | 2022-02-18 | 日本電気硝子株式会社 | Glass used as wavelength conversion material, wavelength conversion material, wavelength conversion member and light emitting device |
| US11387390B2 (en) | 2017-11-27 | 2022-07-12 | Nichia Corporation | Method for producing wavelength converting member, and wavelength converting member |
| JP6763422B2 (en) * | 2017-11-27 | 2020-09-30 | 日亜化学工業株式会社 | Manufacturing method of wavelength conversion member and wavelength conversion member |
| JP6923804B2 (en) | 2017-12-08 | 2021-08-25 | 日亜化学工業株式会社 | Wavelength conversion member and its manufacturing method |
| DE102019202785B4 (en) | 2018-03-02 | 2024-01-18 | Coorstek Kk | Glass element |
| CN110342939A (en) | 2018-04-06 | 2019-10-18 | 日亚化学工业株式会社 | Manufacturing method, ceramic composite and the light emitting device of ceramic composite |
| CN111480098B (en) * | 2018-04-25 | 2023-02-03 | 日本电气硝子株式会社 | Wavelength conversion member and light emitting device using same |
| CN108483903B (en) * | 2018-05-22 | 2021-06-01 | 广东工业大学 | Fluorescent composite glass and preparation method thereof |
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| WO2020184216A1 (en) * | 2019-03-08 | 2020-09-17 | 日本電気硝子株式会社 | Wavelength-conversion member and light-emitting device |
| CN110360469B (en) * | 2019-07-17 | 2023-06-20 | 上海应用技术大学 | A phosphor-based full-spectrum laser device |
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| TW383508B (en) | 1996-07-29 | 2000-03-01 | Nichia Kagaku Kogyo Kk | Light emitting device and display |
| JP4158012B2 (en) | 2002-03-06 | 2008-10-01 | 日本電気硝子株式会社 | Luminescent color conversion member |
| JP2006089342A (en) * | 2004-09-24 | 2006-04-06 | Asahi Techno Glass Corp | Glass for fluorescent lamp |
| JP4895541B2 (en) * | 2005-07-08 | 2012-03-14 | シャープ株式会社 | Wavelength conversion member, light emitting device, and method of manufacturing wavelength conversion member |
| JP5483795B2 (en) | 2006-04-11 | 2014-05-07 | 日本電気硝子株式会社 | Luminescent color conversion material and luminescent color conversion member |
| KR20120121588A (en) * | 2011-04-27 | 2012-11-06 | 삼성전자주식회사 | Light emitting device package and method for manufacturing the same |
| DE102012210552B4 (en) * | 2012-06-22 | 2014-06-05 | Schott Ag | Colored glasses, process for their preparation and use |
| JP6067482B2 (en) * | 2013-05-24 | 2017-01-25 | Hoya株式会社 | Optical glass, glass material for press molding, optical element and method for producing the same, and method for producing optical element blank |
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2015
- 2015-02-23 JP JP2015032745A patent/JP2015199640A/en active Pending
- 2015-03-13 KR KR1020167020456A patent/KR102271648B1/en active Active
- 2015-03-13 CN CN201811358536.5A patent/CN109301057B/en active Active
- 2015-03-13 CN CN201580003341.7A patent/CN105849921A/en active Pending
- 2015-03-13 WO PCT/JP2015/057438 patent/WO2015151764A1/en not_active Ceased
- 2015-04-01 TW TW104110762A patent/TWI657125B/en active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103524035A (en) * | 2008-01-31 | 2014-01-22 | Hoya株式会社 | Optical glass |
| CN103026785A (en) * | 2010-07-26 | 2013-04-03 | 旭硝子株式会社 | Glass for scattering layer of organic LED element, and organic LED element |
| CN103153897A (en) * | 2010-11-12 | 2013-06-12 | 国立大学法人京都大学 | White light-emitting glass, glass-covered light-emitting element and light-emitting device |
| JP2013055269A (en) * | 2011-09-06 | 2013-03-21 | Nippon Electric Glass Co Ltd | Wavelength conversion member and light-emitting device |
| JP2013163633A (en) * | 2012-01-12 | 2013-08-22 | Nippon Electric Glass Co Ltd | Glass |
| JP2013219123A (en) * | 2012-04-06 | 2013-10-24 | Nippon Electric Glass Co Ltd | Wavelength conversion member and method for producing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105849921A (en) | 2016-08-10 |
| TWI657125B (en) | 2019-04-21 |
| JP2015199640A (en) | 2015-11-12 |
| TW201542766A (en) | 2015-11-16 |
| WO2015151764A1 (en) | 2015-10-08 |
| CN109301057B (en) | 2021-10-22 |
| KR102271648B1 (en) | 2021-06-30 |
| KR20160140588A (en) | 2016-12-07 |
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