CN102830562A - Liquid crystal display panel and liquid crystal display device - Google Patents
Liquid crystal display panel and liquid crystal display device Download PDFInfo
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- CN102830562A CN102830562A CN2012103208981A CN201210320898A CN102830562A CN 102830562 A CN102830562 A CN 102830562A CN 2012103208981 A CN2012103208981 A CN 2012103208981A CN 201210320898 A CN201210320898 A CN 201210320898A CN 102830562 A CN102830562 A CN 102830562A
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- liquid crystal
- protective device
- crystal panel
- via hole
- color membrane
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Abstract
The embodiment of the invention provides a liquid crystal display panel and a liquid crystal display device capable of stopping an external substrate from entering into a corrosive array substrate below an ITO (Indium Tin Oxide) layer of a through hole through a seam after the ITO layer on the surface of the through hole is damaged. The embodiment of the invention provides the liquid crystal panel, which comprises an array substrate and a colorful film substrate, wherein a frame sealing adhesive and a shock insulator are arranged between the array substrate and the colorful film substrate, the liquid crystal is sealed between the array substrate and the colorful film substrate through the shock insulator, at least one through hole is arranged outside a region on the array substrate, which is sealed by the frame sealing adhesive, and each through hole is provided with a protector used for sealing the surface of the through hole. The protector is mainly used for the liquid crystal display device.
Description
Technical field
The present invention relates to lcd technology, relate in particular to liquid crystal panel and liquid crystal display.
Background technology
LCD comprises liquid crystal panel; With reference to figure 1; Liquid crystal panel (Panel) comprises color membrane substrates 11 and array base palte 10, is distributed with liquid crystal molecule 14 between color membrane substrates 11 and the array base palte 10, and envelope frame glue 12 is sealed in liquid crystal molecule 14 between color membrane substrates 11 and the array base palte 10; In order to make fixed distance between color membrane substrates 11 and the array base palte 10, also between color membrane substrates 11 and array base palte 10, be provided with chock insulator matter 13; Because the needs of Pad district (peripheral lead district) wiring can stay a lot of via holes 15 in the Pad district on array base palte, in order to connect the conductor structure between the different layers in the liquid crystal panel manufacture process; With reference to figure 2, each via structure comprises: via hole ITO (Indium Tin Oxide, indium tin metal oxide) layer 17; SiNx layer (silicon nitride dielectric layer) 18; Sweep trace metal level or data line metal level (as being metals such as AlNb, MoW or MoAl) 19.Via hole ITO layer 17 thickness on above-mentioned via structure surface are thinner, are merely
usually
Above-mentioned via structure is positioned at the Pad district in the envelope frame glue outside on the array base palte, and the via hole ITO layer 17 on the via structure very easily produces Crack (breakage); After via hole ITO layer 17 produces breakage; Extraneous moisture content equal solvent can corrode SiNx layer 18, sweep trace metal level or the data line metal level 19 etc. of via hole ITO layer 17 below along the slit of breakage from outside to inside successively, causes the Pad district of array base palte corrosion phenomenon to occur and then causes the driving circuit section of liquid crystal panel to occur opening circuit etc. bad.Above-mentioned corrosion phenomenon not only can cause the bad of liquid crystal panel, can directly cause scrapping of liquid crystal panel under the serious situation.
Summary of the invention
Embodiments of the invention provide a kind of liquid crystal panel and liquid crystal display, can after the ITO layer of crossing hole surface produces breakage, stop external substance below the slit entering via hole ITO layer that produces, to corrode array base palte.
For achieving the above object, embodiments of the invention adopt following technical scheme:
On the one hand; A kind of liquid crystal panel; Comprise: array base palte, color membrane substrates, be provided with envelope frame glue and chock insulator matter between said array base palte and the said color membrane substrates, said envelope frame glue is sealed liquid crystal up for safekeeping between said array base palte and said color membrane substrates; Outside the zone that said envelope frame glue is sealed up for safekeeping, be distributed with at least one via hole on the said array base palte, each said via hole is provided with the protective device that is used to seal this via hole.
Further optional, said protective device is a cylindricality, and the height of said protective device is identical with distance between said array base palte and the said color membrane substrates, and its cross-sectional area is more than or equal to the cross-sectional area of said via hole; One end of the protective device of said cylindricality is fixed on the said color membrane substrates, and the other end contacts with the edge of said via hole, with said via seal.
Further optional, said protective device is fixed on the said color membrane substrates through the mode of pasting or adsorb.
Further optional, said protective device is fixed on the said color membrane substrates through the mode of magnet absorption.
Further optional, said protective device is arranged on the said via hole through the mode of welding, deposition or stickup, with said via seal.
Further optional, said protective device and said chock insulator matter adopt identical materials to process.
On the other hand, a kind of liquid crystal display comprises above-described arbitrary liquid crystal panel.
Liquid crystal panel that the embodiment of the invention provides and liquid crystal display; Be provided with the protective device that is used to seal this via hole owing to cross hole surface; Can, the ITO layer of crossing hole surface stop external substance below the slit entering via hole ITO layer that produces, to corrode array base palte after producing breakage.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a liquid crystal panel structure synoptic diagram in the prior art;
Fig. 2 is the via structure synoptic diagram;
The liquid crystal panel structure synoptic diagram that Fig. 3 provides for the embodiment of the invention.
Description of reference numerals:
The 10-array base palte, the 11-color membrane substrates, 12-envelope frame glue, the 13-chock insulator matter, the 14-liquid crystal,
The 15-via hole, the 16-protective device, 17-via hole ITO layer, the 18-SiNx layer,
19-sweep trace metal level or data line metal level.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
In order to solve because of the damaged corrosion phenomenon that causes of via hole ITO layer on the array base palte; The embodiment of the invention provides a kind of liquid crystal panel; As shown in Figure 3; Comprise: array base palte 10, color membrane substrates 11, be provided with envelope frame glue 12 and chock insulator matter 13 between array base palte 10 and the color membrane substrates 11, envelope frame glue 12 is sealed liquid crystal 14 up for safekeeping between array base palte 10 and color membrane substrates 11; Outside the zone that envelope frame glue 12 is sealed up for safekeeping, be distributed with at least one via hole 15 on the array base palte 10, each via hole 15 is provided with the protective device 16 that is used to seal these via hole 15 surfaces.
The liquid crystal panel that present embodiment provides is provided with and is used to seal the protective device that this crosses hole surface owing to cross hole surface, can be after the ITO layer of crossing hole surface produce breakage, and stop external substance to get into and corrode array base palte below the via hole ITO layer through the slit that produces.
Preferably, as shown in Figure 3, for the technological process of the least possible increase liquid crystal panel, protective device 16 can be designed as cylindricality, as being right cylinder, rectangular parallelepiped etc.; The height of protective device 16 is identical with distance between array base palte 10 and the color membrane substrates 11; Cross-sectional area is more than or equal to the area of via hole 15; One end is fixed on the color membrane substrates 11, can in the technological process of making color membrane substrates, accomplish the installation of protective device 16 like this, need not to increase separately new making flow process; Other end xsect contacts with the edge of via hole 15, with via hole 15 sealings.
Need to prove that shown in Fig. 3 only is the partial structurtes of the liquid crystal panel in the present embodiment; In the liquid crystal panel of reality, envelope frame glue 12 is positioned at the neighboring area of liquid crystal panel, liquid crystal 14 is sealed in the liquid crystal cell that become by 11 pairs of box-likes of color membrane substrates 10 and array base palte.
Concrete; Process at protection device for installing 16 on the color membrane substrates 11 can comprise: the protective device 16 of stationkeeping each installation corresponding with via hole 15 on color membrane substrates 11; After making array base palte 10 and color membrane substrates 11 involutory; The other end of the protective device 16 of each installation just with array base palte 10 on via hole 15 positions corresponding, and just that it is corresponding via hole 15 face seals of the other end of protection device for installing 16.Consider array base palte 10 and color membrane substrates 11 to the box precision; Seal in order to let the other end of protective device 16 fully replace on the via hole 15 of array base palte 10 and said via hole 15; Preferably, the cross-sectional area of said protective device 16 is greater than the sectional area of via hole 15.
Preferably, the protective device 16 of cylindricality adopts the material with certain degree of hardness to process; Such as, adopting the pencil hardness test method, the durometer level of the material that protective device 16 is adopted is 4H-8H, the hardness of the material that is promptly adopted is the same with the hardness of the pencil of 4H-8H.Like this, protective device 16 plays good supporting role except can playing the effect of support with via hole 15 face seals to the distance of keeping between array base palte 10 and the color membrane substrates 11.
Further optional, protective device 16 adopts the higher material of specific inductive capacity to process.As; Can adopt specific inductive capacity to be higher than the material of dielectric constant of air 1, the ITO layer on the color membrane substrates 11 and the ITO layer of via hole 15 can form a capacitor, like this; Because it is bigger to be present in the specific inductive capacity of the protective device 16 between array base palte 10 and the color membrane substrates 11; Make the dielectric properties of this capacitor stronger, and then can improve the ability of liquid crystal panel opposing static, prevent the phenomenon of electrostatic breakdown liquid crystal panel.
Further optional; For can make on the color membrane substrates 11 protective device 16 accurately with array base palte 10 on via hole position 15 put corresponding; Can be fixed on the color membrane substrates 11 through the mode of magnet absorption; Even the protective device of on color membrane substrates 11, installing 16 is accurately not corresponding with the position of via hole 15, also can in time adjust the position of magnet absorption, make protective device 16 accurately corresponding with via hole 15.
Further optional, protective device 16 also can be other arbitrary shape, and as can being that thin slice etc. arbitrarily can be with the shape of via hole face seal, this thin slice can adopt mode such as stickup to be fixed on around the via hole 15, and via hole is sealed.
Further optional, select trouble caused in order to reduce material, protective device 16 can adopt identical materials to make with chock insulator matter 13.Like this in manufacture process; Can select material separately for protective device 16; Protective device 16 can adopt the equipment of making chock insulator matter 13 to process, and protective device 16 can obtain with layer making and through a composition technology with chock insulator matter 13, can save equipment cost and operation like this.
In addition, protective device 16 is identical with chock insulator matter 13 expansivitys, can avoid under the different environment temperature, because of protective device 16 and chock insulator matter 13 expansion deformation inconsistent, the poor sealing that causes or show bad.Particularly, if protective device 16 is than chock insulator matter 13 expansivitys hour, the sealing effectiveness of 16 pairs of via holes 15 of protective device is influenced; When if protective device 16 is bigger than chock insulator matter 13 expansivitys, it is thick that protective device 16 expansions change liquid crystal cell, and then image display effect.
Further optional, protective device 16 can adopt opaque material to process, and can avoid light to inject liquid crystal layer from protective device 16, makes the picture display effect of the liquid crystal indicator that adopts this liquid crystal panel better.
Further optional, for the purpose of firmly, protective device 16 can be fixed on the color membrane substrates 11 through the mode of pasting or adsorb, and can also be arranged on the said via hole through welding, deposition or the mode of pasting, with said via seal.
The embodiment of the invention provides a kind of liquid crystal display, comprises above-described any liquid crystal panel.
The liquid crystal display that the embodiment of the invention provides; Because the liquid crystal panel that adopts is crossed hole surface and is provided with and is used to seal the protective device that this crosses hole surface; Can, the ITO layer of crossing hole surface stop external substance below the slit entering via hole ITO layer that produces, to corrode array base palte after producing breakage.
The present invention is through design protection apparatus structure on the corresponding color membrane substrates in the via hole position of array base palte; After the completion of box technology; The depression that this protective device will be crossed the hole site hides; Invade thereby blocked the outer water vehicle substance that grades, thereby the metal that has effectively prevented liquid crystal panel periphery under the damaged situation of ITO is by the phenomenon that corrodes gradually.The present invention has solved the display frame bad phenomenon that is corroded and causes owing to liquid crystal panel in the existing production process effectively, has improved picture quality, has reduced a large amount of bad cost allowances that cause.
The above; Be merely embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; Can expect easily changing or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by said protection domain with claim.
Claims (9)
1. liquid crystal panel; Comprise: array base palte, color membrane substrates; Be provided with envelope frame glue and chock insulator matter between said array base palte and the said color membrane substrates, said envelope frame glue is sealed liquid crystal up for safekeeping between said array base palte and said color membrane substrates, outside the zone that said envelope frame glue is sealed up for safekeeping, is distributed with at least one via hole on the said array base palte; It is characterized in that each said via hole is provided with the protective device that is used to seal this via hole.
2. liquid crystal panel according to claim 1; It is characterized in that; Said protective device is a cylindricality, and the height of said protective device is identical with distance between said array base palte and the said color membrane substrates, and its cross-sectional area is more than or equal to the cross-sectional area of said via hole; One end of the protective device of said cylindricality is fixed on the said color membrane substrates, and the other end contacts with the edge of said via hole, with said via seal.
3. liquid crystal panel according to claim 1 and 2 is characterized in that, said protective device is fixed on the said color membrane substrates through the mode of pasting or adsorb.
4. liquid crystal panel according to claim 1 and 2 is characterized in that, said protective device is fixed on the said color membrane substrates through the mode of magnet absorption.
5. liquid crystal panel according to claim 1 and 2 is characterized in that, said protective device is arranged on the said via hole through the mode of welding, deposition or stickup, with said via seal.
6. liquid crystal panel according to claim 1 and 2 is characterized in that, said protective device and said chock insulator matter adopt identical materials to process.
7. liquid crystal panel according to claim 1 and 2 is characterized in that, said protective device adopts opaque material to process.
8. liquid crystal panel according to claim 1 and 2 is characterized in that, said protective device adopts specific inductive capacity to process greater than 1 material.
9. a liquid crystal display is characterized in that, comprises each described liquid crystal panel of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210320898.1A CN102830562B (en) | 2012-08-31 | 2012-08-31 | Liquid crystal display panel and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210320898.1A CN102830562B (en) | 2012-08-31 | 2012-08-31 | Liquid crystal display panel and liquid crystal display device |
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| CN102830562A true CN102830562A (en) | 2012-12-19 |
| CN102830562B CN102830562B (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210320898.1A Active CN102830562B (en) | 2012-08-31 | 2012-08-31 | Liquid crystal display panel and liquid crystal display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107783342A (en) * | 2017-10-30 | 2018-03-09 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and preparation method thereof |
| US10558090B2 (en) | 2017-10-30 | 2020-02-11 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display panel and manufacturing method thereof |
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| US20030151714A1 (en) * | 2002-01-08 | 2003-08-14 | Kabushiki Kaisha Toshiba | Liquid crystal display device |
| CN1727975A (en) * | 2004-07-30 | 2006-02-01 | Lg.菲利浦Lcd株式会社 | Liquid crystal display device and manufacturing method thereof |
| CN101676775A (en) * | 2008-09-17 | 2010-03-24 | 北京京东方光电科技有限公司 | Spacer, liquid crystal display panel and distribution device and distribution method of spacer |
| US20110194062A1 (en) * | 2010-02-11 | 2011-08-11 | Samsung Mobile Display Co., Ltd. | Liquid crystal display device |
| CN102314027A (en) * | 2010-06-30 | 2012-01-11 | 上海天马微电子有限公司 | Liquid crystal display panel |
| US20120154732A1 (en) * | 2010-12-20 | 2012-06-21 | Toshiba Mobile Display Co., Ltd. | Liquid crystal display device |
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| US20030151714A1 (en) * | 2002-01-08 | 2003-08-14 | Kabushiki Kaisha Toshiba | Liquid crystal display device |
| CN1727975A (en) * | 2004-07-30 | 2006-02-01 | Lg.菲利浦Lcd株式会社 | Liquid crystal display device and manufacturing method thereof |
| CN101676775A (en) * | 2008-09-17 | 2010-03-24 | 北京京东方光电科技有限公司 | Spacer, liquid crystal display panel and distribution device and distribution method of spacer |
| US20110194062A1 (en) * | 2010-02-11 | 2011-08-11 | Samsung Mobile Display Co., Ltd. | Liquid crystal display device |
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| CN107783342A (en) * | 2017-10-30 | 2018-03-09 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and preparation method thereof |
| WO2019085067A1 (en) * | 2017-10-30 | 2019-05-09 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and preparation method therefor |
| US10558090B2 (en) | 2017-10-30 | 2020-02-11 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display panel and manufacturing method thereof |
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| CN102830562B (en) | 2015-03-18 |
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