CN101819357A - Liquid crystal display panel and optoelectronic device - Google Patents
Liquid crystal display panel and optoelectronic device Download PDFInfo
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- CN101819357A CN101819357A CN201010175639A CN201010175639A CN101819357A CN 101819357 A CN101819357 A CN 101819357A CN 201010175639 A CN201010175639 A CN 201010175639A CN 201010175639 A CN201010175639 A CN 201010175639A CN 101819357 A CN101819357 A CN 101819357A
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- acrylate
- liquid crystal
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 150
- 230000005693 optoelectronics Effects 0.000 title claims abstract 6
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- Liquid Crystal (AREA)
Abstract
The embodiment of the invention provides a liquid crystal display panel and an optoelectronic device. The first substrate comprises a display area and a frame rubber area surrounding the display area. The second substrate is disposed opposite to the first substrate. The active layer is arranged on the first substrate, the first alignment film is arranged on the active layer, and the second alignment film is arranged on one side of the second substrate, which faces the active layer. The liquid crystal layer is arranged between the first alignment film and the second alignment film, the liquid crystal layer comprises a plurality of liquid crystal molecules, and the dielectric anisotropy of the liquid crystal molecules is substantially greater than or equal to 7. The frame glue is arranged between the first substrate and the second substrate and is positioned in the frame glue area. The sealant contains an acrylic, and the weight percentage of the acrylic is substantially more than or equal to 50% and less than or equal to 90%. By the embodiment of the invention, the condition of crushing the bright spots can be effectively improved.
Description
Technical field
The present invention is about a kind of display panels (Liquid Crystal Display Panel), the high dielectric anisotropy of particularly a kind of employing (dielectric anisotropy) liquid crystal molecule, and can reduce the display panels that broken bright spot produces probability.
Background technology
Display panels (liquid crystal display panel, LCD panel) compared to existing cathode-ray tube (CRT) (cathode ray tube, CRT), external form is frivolous, power consumption is few and low radiation pollution owing to have, and has risen to the display device that becomes main flow at present.The mode between the substrate in the prior art liquid crystal molecule inserted include vacuum impregnation and liquid crystal drop-method (one drop fill, ODF) etc.Vacuum impregnation is after two substrates is oppositely arranged, to seal around the two substrates with frame glue (comprising the thermmohardening material usually), then with after the sclerosis of frame glue, via an opening of reserving liquid crystal molecule is injected by formed chamber between frame glue and the two substrates, at last again with the sealing compound closure of openings with capillary theory again.But form the mode of display panels with the vacuum inhalation, the thermmohardening material in the frame glue is easy to generate the problem of offset in heating process, and the method is very consuming time, applies on the undersized panel at present more.
Development in recent years goes out a kind of liquid crystal drop-method, adopts the material with photo-hardening characteristic to be used as frame glue.Form the frame glue of a rectangle seal pattern on the first substrate therein of the method, then before frame glue is still unhardened, liquid crystal molecule is splashed in the rectangular seal pattern equably, and at once with another superimposed substrate, make its sclerosis with the UV-irradiation seal pattern then, frame glue can bind two substrates smoothly and can not produce offset.Owing to the time that the liquid crystal drop-method is required is shorter, and the better quality of frame glue sclerosis, therefore manufacturer adopts the liquid crystal drop-method to make display panels more now.
Yet, compared to vacuum impregnation, though above-mentioned liquid crystal drop-method can significantly shorten the time that liquid crystal injects, but the method can make the still unhardened glue of frame completely directly contact with liquid crystal molecule, this can make in the frame glue material because of the close stripping of polarity to liquid crystal layer, and produce the problem of the broken bright spot (around mura) of panel periphery color distribution inequality.Please also refer to Fig. 1 and Fig. 2, Fig. 1 and Fig. 2 form the synoptic diagram of broken bright spot to the liquid crystal layer for display panels center xanthan molecule stripping in the prior art, and wherein Fig. 2 is along the sectional view of AA ' tangent line among Fig. 1.As Fig. 1 and shown in Figure 2, display panels 100 comprises two substrates 102,104 in the prior art; Two alignment films 106,108 are arranged at two inboards of two substrates 102,104; One liquid crystal layer 112 is set in place between two alignment films 106,108; And one frame glue 110 be arranged on two substrates 102,104 around, wherein the liquid crystal molecules in the liquid crystal layer 112 can be positioned in two substrates 102,104 and the frame glue 110 formed cavitys.
Generally speaking, the liquid crystal molecule in the liquid crystal layer 112 can present regular arrangement owing to the orientation function of alignment film 106,108.But as indicated above, when forming frame glue 110, the material close with liquid crystal molecule polarity in the frame glue 110 can dissolve in the liquid crystal layer 112 because of the principle of " similar mixing (like dissolves like) ", and the impurity 114 in the formation liquid crystal layer 112.Impurity 114 partly can be upset the arrangement of original liquid crystal molecule, making liquid crystal molecule have no idea to be produced by the electric field driven reverses, therefore produce permanent bright or permanent dark broken bright spot 116, be dispersed in the intersection (please refer to Fig. 1) of frame glue 110 and liquid crystal layer 112.Naked eyes were discernable when this broken bright spot was serious, can reduce the display quality of display panels 100, also become present display panels to desire most ardently the problem of improvement.
Summary of the invention
So the present invention proposes a kind of display panels, can effectively improve the situation of broken bright spot in the prior art.
The display panels of one embodiment of the invention comprises one first substrate, one second substrate, an active layers, one first alignment film, one second alignment film, a liquid crystal layer and a frame glue.First substrate comprises a viewing area and a frame Jiao Qu, and its center Jiao Qu surrounds the viewing area.Second substrate then is oppositely arranged with first substrate.Active layers is arranged on first substrate, and comprises a plurality of pixel regions, and wherein pixel region is arranged in the viewing area.First alignment film is arranged on the active layers, and second alignment film then is arranged at the side of second real estate to active layers.Liquid crystal layer is arranged between first alignment film and second alignment film, and liquid crystal layer comprises a plurality of liquid crystal molecules, and the dielectric anisotropy of liquid crystal molecule (dielectric anisotropy) is substantially more than or equal to 7.Frame glue is arranged between first substrate and second substrate, and is arranged in the frame glue district of first substrate.Liquid crystal layer is arranged in frame glue, first substrate and the formed chamber of second substrate, and its center glue comprises an acryl (Acrylics), and the percentage by weight of acryl is substantially more than or equal to 50% and smaller or equal to 90%.
The display panels of another embodiment of the present invention comprises one first substrate, one second substrate, an active layers, one first alignment film, one second alignment film, a liquid crystal layer and a frame glue.First substrate comprises a viewing area and a frame Jiao Qu, and its center Jiao Qu surrounds the viewing area.Second substrate then is oppositely arranged with first substrate.Active layers is arranged on first substrate, and comprises a plurality of pixel regions, and wherein pixel region is arranged in the viewing area.First alignment film is arranged on the active layers, and second alignment film then is arranged at the side of second real estate to active layers.Liquid crystal layer is arranged between first alignment film and second alignment film, and comprises a plurality of liquid crystal molecules.Frame glue is arranged between first substrate and second substrate, and is arranged in the frame glue district of first substrate.Liquid crystal layer is arranged in frame glue, first substrate and the formed chamber of second substrate, and the polarity of frame glue is substantially greater than the polarity of liquid crystal layer.
Beneficial effect of the present invention is, display panels of the present invention, owing to improved the ratio of acryl in the frame glue, make the polarity gap of frame glue and liquid crystal molecule strengthen, can effectively avoid prior art center xanthan molecule to dissolve in to liquid crystal layer and produce the situation of broken bright spot, can be applicable to the display panels of low driving voltage, meet the trend of present environmental protection and energy saving.
Description of drawings
Fig. 1 and Fig. 2 are that the stripping of prior art display panels center xanthan molecule is to liquid crystal layer and form the synoptic diagram of broken bright spot.
Fig. 3 and Fig. 4 are the structural representations of the display panels of first embodiment of the invention.
Fig. 5 is after improving the acryl ratio in the present embodiment, and its broken bright spot produces concerns synoptic diagram.
Fig. 6 is the synoptic diagram that concerns that improves in the present embodiment after the acryl ratio with voltage retention.
Fig. 7 be among the present invention different dielectric anisotropy liquid crystal molecule and driving voltage concern synoptic diagram.
Fig. 8 is the synoptic diagram of the electrooptical device of one embodiment of the invention.
[main element symbol description]
100 display panels, 310 second alignment films
102 substrates, 312 liquid crystal layers
104 substrates, 314 frame glue
106,108 alignment films, 316 frame Jiao Qu
110 frame glue, 318 viewing areas
112 liquid crystal layers, 320 sweep traces
114 impurity, 322 data lines
300 display panels, 324 pixel regions
302 first substrates, 325 thin film transistor (TFT)s
304 second substrates, 326 electrooptical devices
306 active layers, 328 electronic components
308 first alignment films
Embodiment
For making the general skill person who is familiar with the technical field of the invention can further understand the present invention, hereinafter the spy enumerates several preferred embodiments of the present invention, and conjunction with figs., describe in detail constitution content of the present invention and the effect desiring to reach.
Please refer to Fig. 3 and Fig. 4, Fig. 3 and Fig. 4 are the structural representation of the display panels of first embodiment of the invention, and wherein Fig. 3 is the sectional view of Fig. 4 along BB ' tangent line.As shown in Figure 3, the display panels 300 of present embodiment comprises one first substrate 302, one second substrate 304, an active layers 306, one first alignment film 308, one second alignment film 310, a liquid crystal layer 312 and a frame glue 314.First substrate 302 is parallel substantially with second substrate 304 and be oppositely arranged, and can be for example glass substrate, quartz base plate, plastic base etc. of hard substrate, also can be the soft substrate plate of other bendable material.In the present embodiment, first substrate 302 for example is a thin film transistor base plate, second substrate 304 then is a colored filter substrate, but not as limit, for example first substrate 302 also can be color filter sheet integrated transistor (color filteron array, COA) substrate or black matrix" integrated transistor (black matrix on array, BOA).In addition, can mark off a viewing area 318 and a frame glue district 316 on first substrate 302, as shown in Figure 4, frame glue district 316 be positioned at viewing area 318 around and surround viewing area 318.
Refer again to Fig. 3, first alignment film 308 is arranged on the active layers 306, and second alignment film 310 is arranged at the side of second substrate 304 in the face of first substrate 302, and 312 of liquid crystal layers are arranged between first alignment film 308 and second alignment film 310.Have orientation ditch (not shown) on first alignment film 308 and second alignment film 310, make that the liquid crystal molecule 320 in the liquid crystal layer 312 can be arranged regularly according to predetermined alignment direction.Frame glue 314 is arranged between first substrate 302 and second substrate 304, and is arranged in the frame glue district 316 of first substrate 302, makes liquid crystal layer 312 can be arranged in frame glue 314, first substrate 302 and second substrate, 304 formed chambers (cell gap).
Composition for fear of prior art frame glue 314 dissolves in the situation that produces broken bright spot to liquid crystal layer 312, and the display panels 300 of present embodiment has the frame glue 314 and liquid crystal molecule 320 of specific composition.For instance, the frame glue 314 of present embodiment comprises acryl (acrylics) composition.In other embodiments, needs according to design can add other adjuvant, for example: rigidizer (hardener), binding agent (linkingagent), initiator (initiator), accelerator (accelerator), inhibitor (inhibitor), dyestuff (dye), pigment (pigment), the reaction of copolymerizable thing (co-polymerizable monomer), compound, levelling agent, swelling binder, defoamer, other one-tenth adjuvant or above-mentioned combination of the two at least that is suitable for.In the present embodiment, frame glue 314 comprises acryl (acrylics) and adjuvant, and for example: rigidizer (hardener) is the implementation example with initiator (initiator), but is not limited thereto.In the present embodiment; acryl comprise various by two key functional groups with contain the formed compound of epoxy functionalized radical reaction; the monomer that for example contains acrylic; the monomer that contains acryloyl group; the monomer that contains epoxy radicals; contain the monomer of isocyanic acid alkali or the potpourri of above-mentioned monomer; for example; the acryl of present embodiment may comprise at least a or its combination among the following functional group: acrylic acid; methyl methacrylate; methacrylic acid; acrylic acid 2-hydroxyl ethyl ester; (methyl) acrylic acid 2-hydroxypropyl acrylate; (methyl) acrylic acid 4-hydroxy butyl ester; (methyl) acrylic acid 2-hydroxy butyl ester; (methyl) isobutyl acrylate; the special butyl ester of (methyl) acrylic acid; (methyl) Isooctyl acrylate monomer; (methyl) lauryl acrylate; (methyl) stearyl acrylate ester; the different norborneol ester of (methyl) acrylic acid; (methyl) cyclohexyl acrylate; (methyl) acrylic acid 2-methoxy ethyl ester; (methyl) acrylic acid methoxyl glycol ester; (methyl) acrylic acid 2-ethoxy ethyl ester; (methyl) acrylic acid tetrahydro furfuryl ester; (methyl) benzyl acrylate; (methyl) acrylic acid ethyl carbitol ester; (methyl) phenoxyethyl acrylate; (methyl) acrylic acid phenoxy group binaryglycol ester; (methyl) acrylic acid phenoxy group macrogol ester; (methyl) acrylic acid methoxy poly (ethylene glycol) ester; (methyl) acrylic acid 2; 2; the 2-trifluoro ethyl ester; (methyl) acrylic acid 2; 2; 3; 3-tetrafluoro propyl ester; (methyl) acrylic acid 1H; 1H; 5H-octafluoro amyl group ester; (methyl) acrylic acid imide ester; (methyl) methyl acrylate; (methyl) ethyl acrylate; (methyl) propyl acrylate; (methyl) n-butyl acrylate; (methyl) cyclohexyl acrylate; (methyl) acrylic acid 2-b hexyl; (methyl) acrylic acid n-octyl; (methyl) acrylic acid ester in the different ninth of the ten Heavenly Stems; the different tetradecane ester of (methyl) acrylic acid; (methyl) acrylic acid 2-butoxy ethyl ester; (methyl) acrylic acid 2-phenoxy ethyl; (methyl) acrylic acid two cyclopentene esters; (methyl) isodecyl acrylate; (methyl) acrylic acid diethylamino ethyl ester; (methyl) acrylic acid dimethyl aminoethyl ester; 2-(methyl) acryloxy ethyl succinic acid; 2-(methyl) acryloxy ethyl hexahydrobenzene dioctyl phthalate; 2-(methyl) acryloxy ethyl 2-hydroxypropyl phthalic acid; (methyl) glycidyl acrylate; 2-(methyl) acryloxy ethyl phosphonic acid ester; 1; 4-butylene glycol two (methyl) acrylate; 1; 3-butylene glycol two (methyl) acrylate; 1; 6-hexanediol two (methyl) acrylate; 1; 9-nonanediol two (methyl) acrylate; 1; 10-decanediol two (methyl) acrylate; 2-normal-butyl-2-ethyl-1; ammediol two (methyl) acrylate; dipropylene glycol two (methyl) acrylate; tripropylene glycol two (methyl) acrylate; polypropylene glycol (methyl) acrylate; ethylene glycol bisthioglycolate (methyl) acrylate; diethylene glycol two (methyl) acrylate; TEG two (methyl) acrylate; polyglycol two (methyl) acrylate; propylene oxide addition bisphenol-A two (methyl) acrylate; oxirene addition bisphenol-A two (methyl) acrylate; oxirene addition Bisphenol F two (methyl) acrylate; dihydroxymethyl bicyclopentadiene two (methyl) acrylate; 1,3 butylene glycol two (methyl) acrylate; neopentyl glycol two (methyl) acrylate; oxirene upgrading fulminuric acid two (methyl) acrylate; 2-hydroxyl-3-(methyl) acryloxy propyl group (methyl) acrylate; carbonic ester glycol two (methyl) acrylate; PTMEG two (methyl) acrylate; polyester-diol two (methyl) acrylate; polycaprolactone glycol two (methyl) acrylate; polybutadiene diol two (methyl) acrylate etc.
Rigidizer for example is amine (amine) compound, but does not exceed with above-mentioned as the bridge formation of acryl polyreaction.Initiator can be that (for example azoisobutyronitrile (2 for hot initiator, 2 '-azobisisobutyronitrile, AIBN), but do not exceed with above-mentioned), light initiator (peroxide radical initiator for example, or azo-compound free radical starting agent, for example diethoxy acetophenone (diethoxy acetophenone), benzophenone (benzophenone), phenyl benzoin isobutyl ether (benzyl benzoin isobutyl ether) etc., but do not exceed with above-mentioned), or above-mentioned combination.In addition, the frame glue 314 of present embodiment can also comprise filling agent, for example is silicate compound (silicate), other kind adjuvant, silane (silane) for example, and perhaps other for example is levelling agent, swelling binder or defoamer etc.
One of them is characterised in that present embodiment, and the percentage by weight of acryl accounts for 50% to 90% in whole frame glue 314, just more than or equal to 50% and smaller or equal to 90%.In preferred embodiment of the present invention, the percentage by weight of acryl is substantially more than or equal to 80% and smaller or equal to 90%.Under the ratio of above-mentioned acryl, the integral polarity of frame glue 314 can be raised and greater than the polarity of liquid crystal molecule 312, thus, can avoid the molecules in the frame glue 314 to incorporate because of polarity is close to liquid crystal layer 312, and produces the problem of broken bright spot.
Please refer to Fig. 5, Fig. 5 is that its broken bright spot produces the synoptic diagram of ratio after improving the acryl ratio in the present embodiment, and wherein transverse axis is represented the percentage by weight of acryl, and the longitudinal axis is the ratio that broken bright spot produces.The ratio that broken bright spot produces is meant the number percent of the pixel region number of the broken bright spot of appearance divided by total pixel region number, i.e. (the pixel region number/total pixel region number that broken bright spot occurs) * 100%.Wherein, three pixel regions are combined into a pixel display area, but are not limited thereto.In other embodiments, also can 4,5,6 or the like pixel region be combined into a pixel display area.As shown in Figure 5,, can obviously observe the ratio that broken bright spot produces and descend along with the increase of acryl ratio, especially at the percentage by weight of acryl greater than 50% o'clock, can obviously find out the effect that reduces broken bright spot.
Please refer to Fig. 6, Fig. 6 is the synoptic diagram that concerns that improves in the present embodiment after the acryl ratio with the voltage retention of liquid crystal molecule, wherein transverse axis is represented the percentage by weight of acryl, the longitudinal axis represent liquid crystal molecule voltage retention (Voltage Holding Ratio, VHR).The voltage retention of present embodiment, refer to that liquid crystal molecule is after 1 volt, 0.6 hertz driven, liquid crystal molecule maintains the ratio of twisting states, and the ratio that the big more representative liquid crystal molecule of numerical value can be kept its torsion effect is high more, therefore also represents the effect that has than power saving.As shown in Figure 6, the ratio of high more acryl, can when acryl percentage by weight 50%, can reach 40% voltage retention so that liquid crystal molecule has high more voltage retention, and it is 88% o'clock at the acryl percentage by weight, then can reach 50% voltage retention,, more can reach 75% voltage retention when the percentage by weight of acryl is 90%, so can understand from Fig. 6, the display panels of present embodiment can have preferable power saving effect.
On the other hand, the design of present embodiment display panels 300 can also cooperate the liquid crystal molecule of low driving voltage, and the liquid crystal molecule of dielectric anisotropy (dielectric anisotropy, Δ ε) greater than 7 for example is to meet the trend of present environmental protection and energy saving.Generally speaking, the dielectric anisotropy of liquid crystal molecule can influence the size of its driving voltage, please refer to Fig. 7, and Fig. 7 is the synoptic diagram that concerns of different dielectric anisotropy liquid crystal molecule among the present invention and driving voltage, wherein transverse axis is the voltage that applies, and the longitudinal axis is transmittance (transmittance).As shown in Figure 7, the liquid crystal molecule of different dielectric anisotropy, (V-T curve) is different for the curve distribution of its " voltage-light transmittance ", this has also represented the difference of its driving voltage value simultaneously, can know understanding from Fig. 7, the liquid crystal molecule that the dielectric anisotropy is high more (for example Far Left dielectric anisotropy is 16 liquid crystal molecule), its driving voltage can be low more, because only need lower voltage, just its transmittance can be reversed by 0% is 100%.Therefore, display panels of the present invention adopts the higher liquid crystal molecule of dielectric anisotropy, and the liquid crystal molecule of Δ ε 〉=7 for example is to reach the power saving effect of low driving voltage.The embodiment of the invention is preferable with the liquid crystal molecule of Δ ε 〉=7.But the liquid crystal molecule that the dielectric anisotropy is high, often polarity also can increase and the polarity difference of frame glue also can dwindle, and therefore in the display panels of this low driving voltage, more is easy to generate the problem of broken bright spot in the prior art.Must it should be noted that the liquid crystal molecule of Δ ε 〉=7 is meant that absolute value dielectric anisotropy (| Δ ε |) is example more than or equal to 7 in the present embodiment, preferably, before Δ ε was taken absolute value, this Δ ε was an example greater than 0 liquid crystal molecule just, i.e. the eurymeric liquid crystal molecule.At other embodiment, with Δ ε less than 0 liquid crystal molecule, i.e. negative type liquid crystal molecule, but after Δ ε taken absolute value, this | Δ ε | just more than or equal to 7, also applicable.
In the display panels of second embodiment of the invention, its structure and material and first embodiment roughly the same (please refer to Fig. 3 and Fig. 4) are not given unnecessary details at this.Close and produce the problem of broken bright spot for fear of the polarity of prior art center glue 314 compositions and liquid crystal molecule 320, the display panels 300 of present embodiment, the polarity of its frame glue 314 can be greater than the polarity of liquid crystal molecule 320.The polarity that present embodiment is alleged, be meant the functional group's (hydrogen-bonding functional group) that can form hydrogen bond content, it can be by solubility parameter (soluble parameter, SP value) represents, promptly refer under 25 ℃, energy of its vapour pressure (energy of vaporization, Δ ei) and Moore volume (molar volume, Δ ratio vi).The display panels of present embodiment, the polarity of its frame glue 314 can be greater than the polarity of liquid crystal layer 312, and in preferred embodiment of the present invention, the difference of both polarity (that is difference of solubility parameter) is being preferable more than or equal to 2, more preferably, the difference of both polarity is greater than 2.For instance, the polarity (solubility parameter) of the liquid crystal molecule 320 in the present embodiment is substantially between 20 to 22, and the polarity (solubility parameter) of frame glue 314 integral body is substantially more than or equal to 23, and the polarity of frame glue 314 integral body, preferable, substantially between 23 to 27.That is to say that the polarity of liquid crystal molecule 320 is more than or equal to 20 and smaller or equal to 22, and the polarity of frame glue 314 integral body is more than or equal to 23 and smaller or equal to 27.
In the display panels of third embodiment of the invention, its structure is also identical with second embodiment with first embodiment, but the display panels of present embodiment, the dielectric anisotropy of its liquid crystal molecule 320 is substantially greater than 7, and the percentage by weight of acryl is substantially more than or equal to 50% and smaller or equal to 90% in the frame glue 314, on the other hand, the polarity of frame glue 314 can be greater than the polarity of liquid crystal molecule 320, the difference of both polarity of preferably can be greater than 2, for example the polarity of liquid crystal molecule 320 (solubility parameter) is substantially between 20 to 22, and the polarity (solubility parameter) of frame glue 314 integral body is substantially more than or equal to 23, and the polarity of frame glue 314 integral body, preferable, substantially between 23 to 27.That is to say that the polarity of liquid crystal molecule 320 is more than or equal to 20 and smaller or equal to 22, and the polarity of frame glue 314 integral body is more than or equal to 23 and smaller or equal to 27.In the present embodiment, consider the dielectric anisotropy of liquid crystal molecule 320 simultaneously, the percentage by weight of frame glue 314 acryl, and the polarity of frame glue 314 and liquid crystal molecule 320 can thoroughly be stopped the situation of broken bright spot.
Please refer to Fig. 8, Fig. 8 is the synoptic diagram of the electrooptical device of one embodiment of the invention.As shown in Figure 8, electrooptical device 326 comprise display panels 300 and with the electronic component 328 of its electric connection.Display panels 300 comprises one of them person of the display panels described in above-mentioned embodiment.Electronic component 328 comprises as control element, executive component, treatment element, input element, memory element, driving element, light-emitting component, protecting component, sensing element, detecing element or other function element or aforesaid combination.Generally speaking, the type of electrooptical device 326 comprises panel in portable product (as mobile phone, video camera, camera, mobile computer, game machine, wrist-watch, music player, portable digital-video player, electronic mail transceiver, map navigator, digital frame or similar products like), video and audio product (as audio-visual projector or similar products like), screen, TV, electronic bill-board, the projector etc.
To sum up, the display panels that the present invention proposes, one of them is characterised in that the gap that strengthens frame glue and liquid crystal molecule between polarity, for example improves the ratio of acryl in the frame glue, and the percentage by weight of the acryl in the frame glue is increased between 50% and 90%.And under these circumstances, even the liquid crystal molecule of collocation low driving voltage (for example the dielectric anisotropy is greater than 7 liquid crystal molecule), can not produce prior art center glue composition yet and dissolve in the situation that produces broken bright spot to liquid crystal molecule, can be applicable to the display panels of low driving voltage, meet the trend of present environmental protection and energy saving.In addition, the above embodiment of the present invention is to be example with two alignment films, but is not limited thereto, and also can adopt above-mentioned design conditions and apply to only have single alignment film to be used for arbitrary substrate of display panels at other embodiment.
The above only is preferred embodiment of the present invention, and all equalizations of being done according to the present patent application claim change and modify, and all should belong to covering scope of the present invention.
Claims (16)
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| CN201010175639A CN101819357A (en) | 2010-05-05 | 2010-05-05 | Liquid crystal display panel and optoelectronic device |
| CN2010102462505A CN101916013B (en) | 2010-05-05 | 2010-08-04 | Liquid crystal display panel and optoelectronic device |
| CN201110314126.2A CN102360138B (en) | 2010-05-05 | 2010-08-04 | Liquid crystal display panel and optoelectronic device |
| CN2011103141883A CN102360139A (en) | 2010-05-05 | 2010-08-04 | Liquid crystal display panel and electro-optical device |
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| JP2019219609A (en) * | 2018-06-22 | 2019-12-26 | 株式会社ジャパンディスプレイ | Liquid crystal panel and electro-optical device |
| WO2020073443A1 (en) * | 2018-10-11 | 2020-04-16 | 深圳市华星光电技术有限公司 | Frame sealing glue, photo-curing method of frame sealing glue, and liquid crystal display device |
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| JPH0713174A (en) * | 1993-06-22 | 1995-01-17 | Three Bond Co Ltd | Sealing agent for liquid crystal |
| EP1405888A1 (en) * | 2001-05-16 | 2004-04-07 | Sekisui Chemical Co., Ltd. | Curing resin composition and sealants and end-sealing materials for displays |
| JP3917417B2 (en) * | 2001-12-11 | 2007-05-23 | シャープ株式会社 | Reflective liquid crystal display |
| CN1903827A (en) * | 2006-08-11 | 2007-01-31 | 友达光电股份有限公司 | Monomer and method for manufacturing liquid crystal display panel using same |
| EP1911828B1 (en) * | 2006-10-12 | 2010-09-01 | Merck Patent GmbH | Liquid crystal display |
| KR101321871B1 (en) * | 2007-02-20 | 2013-10-25 | 삼성디스플레이 주식회사 | Polarizer, Method of fabricating the same and Liquid crystal display having the same |
| TWI355546B (en) * | 2007-05-21 | 2012-01-01 | Au Optronics Corp | Thermocuring sealant |
| TWI366597B (en) * | 2007-09-05 | 2012-06-21 | Au Optronics Corp | Liquid crystal medium for polymer stability alignment process and method for manufacturing liquid crystal display having the same |
| CN101441349A (en) * | 2007-11-22 | 2009-05-27 | 中华映管股份有限公司 | Liquid crystal display panel |
| CN101533173B (en) * | 2008-03-12 | 2011-04-06 | 中华映管股份有限公司 | Liquid crystal display panel and manufacturing method thereof |
| CN201222150Y (en) * | 2008-06-26 | 2009-04-15 | 上海广电光电子有限公司 | Liquid crystal display panel |
| CN101359144B (en) * | 2008-09-12 | 2013-04-17 | 友达光电股份有限公司 | Vertical alignment type liquid crystal display panel and its liquid crystal material |
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| JP2019219609A (en) * | 2018-06-22 | 2019-12-26 | 株式会社ジャパンディスプレイ | Liquid crystal panel and electro-optical device |
| JP7195779B2 (en) | 2018-06-22 | 2022-12-26 | 株式会社ジャパンディスプレイ | Liquid crystal panel, electro-optical device, and method for manufacturing liquid crystal panel |
| US11630351B2 (en) | 2018-06-22 | 2023-04-18 | Japan Display Inc. | Liquid crystal panel and electro-optical device |
| WO2020073443A1 (en) * | 2018-10-11 | 2020-04-16 | 深圳市华星光电技术有限公司 | Frame sealing glue, photo-curing method of frame sealing glue, and liquid crystal display device |
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| CN102360138B (en) | 2014-12-10 |
| CN102360138A (en) | 2012-02-22 |
| CN101916013A (en) | 2010-12-15 |
| CN102360139A (en) | 2012-02-22 |
| CN101916013B (en) | 2012-02-01 |
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