CN102830562B - 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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- CN102830562B CN102830562B CN201210320898.1A CN201210320898A CN102830562B CN 102830562 B CN102830562 B CN 102830562B CN 201210320898 A CN201210320898 A CN 201210320898A CN 102830562 B CN102830562 B CN 102830562B
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- liquid crystal
- protective device
- via hole
- color membrane
- membrane substrates
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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, particularly relate to liquid crystal panel and liquid crystal display.
Background technology
Liquid crystal display comprises liquid crystal panel, with reference to figure 1, liquid crystal panel (Panel) comprises color membrane substrates 11 and array base palte 10, liquid crystal molecule 14 is distributed with between color membrane substrates 11 and array base palte 10, liquid crystal molecule 14 is sealed between color membrane substrates 11 and array base palte 10 by sealed plastic box 12, in order to make the spacing of color membrane substrates 11 and array base palte 10 fix, also between color membrane substrates 11 and array base palte 10, be provided with chock insulator matter 13; Due to the needs that Pad district (perimeter leads district) connects up, a lot of via holes 15 can be left in array base palte Shang Pad district in liquid crystal panel manufacture process, in order to connect the conductor structure between different layers; 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 wire metal layer (as being the metals such as AlNb, MoW or MoAl) 19.Via hole ITO layer 17 Thickness Ratio on above-mentioned via structure surface is thinner, is generally only
Above-mentioned via structure is positioned at the Pad district on array base palte outside sealed plastic box, and the via hole ITO layer 17 on via structure very easily produces Crack (breakage); After via hole ITO layer 17 produces breakage, extraneous moisture content equal solvent can corrode the SiNx layer 18 below via hole ITO layer 17, sweep trace metal level or data wire metal layer 19 etc. from outside to inside successively along the gap of breakage, cause the Pad district of array base palte to occur corrosion phenomenon so that cause the driving circuit section of liquid crystal panel to occur open circuit etc. is bad.Above-mentioned corrosion phenomenon not only can cause the bad of liquid crystal panel, can directly cause scrapping of liquid crystal panel when serious.
Summary of the invention
Embodiments of the invention provide a kind of liquid crystal panel and liquid crystal display, after can producing breakage, stop external substance to be entered below via hole ITO layer by the gap produced and corrode array base palte in the ITO layer crossing hole surface.
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; sealed plastic box and chock insulator matter is provided with between described array base palte and described color membrane substrates; liquid crystal is sealed up for safekeeping between described array base palte and described color membrane substrates by described sealed plastic box; described array base palte is distributed with at least one via hole outside the region that described sealed plastic box is sealed up for safekeeping, and each described via hole is provided with the protective device for sealing this via hole.
Further alternative, described protective device is cylindricality, and the height of described protective device is identical with the distance between described array base palte and described color membrane substrates, and its cross-sectional area is more than or equal to the cross-sectional area of described via hole; One end of the protective device of described cylindricality is fixed on described color membrane substrates, and the other end contacts with the edge of described via hole, by described via seal.
Further alternative, described protective device is fixed on described color membrane substrates by the mode of pasting or adsorb.
Further alternative, described protective device is fixed on described color membrane substrates by the mode of magnet adsorption.
Further alternative, described protective device is arranged on described via hole, by described via seal by the mode of welding, depositing or pasting.
Further alternative, described protective device and described chock insulator matter adopt identical material to make.
On the other hand, a kind of liquid crystal display, comprises above-described arbitrary liquid crystal panel.
The liquid crystal panel that the embodiment of the present invention provides and liquid crystal display; because hole surface is provided with the protective device for sealing this via hole excessively; after can producing breakage in the ITO layer crossing hole surface, stop external substance to be entered below via hole ITO layer by the gap produced and corrode array base palte.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is liquid crystal panel structure schematic diagram in prior art;
Fig. 2 is via structure schematic diagram;
The liquid crystal panel structure schematic diagram that Fig. 3 provides for the embodiment of the present invention.
Description of reference numerals:
10-array base palte, 11-color membrane substrates, 12-sealed plastic box, 13-chock insulator matter, 14-liquid crystal,
15-via hole, 16-protective device, 17-via hole ITO layer, 18-SiNx layer,
19-sweep trace metal level or data wire metal layer.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In order to solve the corrosion phenomenon caused because via hole ITO layer on array base palte is damaged, the embodiment of the present 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 sealed plastic box 12 and chock insulator matter 13 between array base palte 10 and color membrane substrates 11, liquid crystal 14 is sealed up for safekeeping between array base palte 10 and color membrane substrates 11 by sealed plastic box 12; Array base palte 10 is distributed with at least one via hole 15 outside the region that sealed plastic box 12 is sealed up for safekeeping, and each via hole 15 is provided with the protective device 16 for sealing this via hole 15 surface.
The liquid crystal panel that the present embodiment provides, is provided with for sealing the protective device that this crosses hole surface owing to crossing hole surface, after can producing breakage, stops external substance to be entered below via hole ITO layer by the gap produced and corrodes array base palte in the ITO layer crossing hole surface.
Preferably, as shown in Figure 3, in order to 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 the distance between array base palte 10 and color membrane substrates 11; cross-sectional area is more than or equal to the area of via hole 15; one end is fixed on color membrane substrates 11; the installation of protective device 16 can be completed like this in the technological process making color membrane substrates; without the need to increasing separately new Making programme; other end xsect contacts with the edge of via hole 15, is sealed by via hole 15.
It should be noted that, shown in Fig. 3 is only the partial structurtes of liquid crystal panel in the present embodiment; In the liquid crystal panel of reality, sealed plastic box 12 is positioned at the neighboring area of liquid crystal panel, is sealed in by liquid crystal 14 in the liquid crystal cell that become by color membrane substrates 10 and array base palte 11 pairs of box-likes.
Concrete; on color membrane substrates 11, the process of protection device for installing 16 can comprise: the protective device 16 of each installation is fixed in position corresponding with via hole 15 on color membrane substrates 11; make array base palte 10 and color membrane substrates 11 involutory after; the other end of the protective device 16 of each installation is just corresponding with the via hole 15 of on array base palte 10 position, and the other end of protection device for installing 16 is just by via hole 15 face seal of its correspondence.Consider array base palte 10 and color membrane substrates 11 to box precision; fully to support on the via hole 15 of array base palte 10 in order to the other end of protective device 16 can be allowed and described via hole 15 is sealed; preferably, the cross-sectional area of described 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 make; Such as, adopt pencil hardness test method, the durometer level of the material that protective device 16 adopts is 4H-8H, and the hardness of namely adopted material is the same with the hardness of the pencil of 4H-8H.Like this, protective device 16, except by except via hole 15 face seal, can playing the effect of support, plays good supporting role to the distance maintained between array base palte 10 and color membrane substrates 11.
Further alternative, the material that protective device 16 adopts specific inductive capacity higher is made.As; specific inductive capacity can be adopted higher than the material of dielectric constant of air 1; the ITO layer of the ITO layer on color membrane substrates 11 and via hole 15 can form a capacitor; like this; because the specific inductive capacity being present in the protective device 16 between array base palte 10 and color membrane substrates 11 is larger; make the dielectric properties of this capacitor comparatively strong, and then liquid crystal panel can be improved to anlistatig ability, prevent the phenomenon of electrostatic breakdown liquid crystal panel.
Further alternative; put corresponding with the via hole position 15 on array base palte 10 accurately in order to the protective device 16 on color membrane substrates 11 can be made; can be fixed on color membrane substrates 11 by the mode of magnet adsorption; even if the protective device 16 installed on color membrane substrates 11 is accurately not corresponding with the position of via hole 15; also can adjust the position of magnet adsorption in time, make protective device 16 accurately corresponding with via hole 15.
Further alternative, protective device 16 also can be other arbitrary shape, and as being that thin slice etc. arbitrarily can by the shape of via hole face seal, this thin slice can adopt the modes such as stickup to be fixed on around via hole 15, is sealed by via hole.
Further alternative, in order to reduce the trouble that Material selec-tion brings, protective device 16 can adopt identical material to make with chock insulator matter 13.So in the fabrication process; it can be protective device 16 selection material separately; protective device 16 can adopt the equipment making chock insulator matter 13 to make, and protective device 16 and chock insulator matter 13 can be made with layer and be obtained by a patterning processes, can save equipment cost and operation like this.
In addition, protective device 16 is identical with chock insulator matter 13 expansivity, can avoid under different environment temperatures, because the deformation of expanding of protective device 16 and chock insulator matter 13 is inconsistent, and the poor sealing caused or show bad.Particularly, if when protective device 16 is less than chock insulator matter 13 expansivity, the sealing effectiveness of protective device 16 pairs of via holes 15 is influenced; If when protective device 16 is larger than chock insulator matter 13 expansivity, it is thick that protective device 16 expansion changes liquid crystal cell, and then image display effect.
Further alternative, protective device 16 can adopt opaque material to make, and light can be avoided to inject liquid crystal layer from protective device 16, makes the picture display effect of the liquid crystal indicator of this liquid crystal panel of employing better.
Further alternative, for the purpose of firmly, protective device 16 can be fixed on color membrane substrates 11 by the mode of pasting or adsorb, and can also be arranged on described via hole, by described via seal by welding, deposition or the mode of pasting.
Embodiments provide a kind of liquid crystal display, comprise any one liquid crystal panel above-described.
The liquid crystal display that the embodiment of the present invention provides; crossing hole surface due to the liquid crystal panel adopted is provided with for sealing the protective device that this crosses hole surface; after can producing breakage in the ITO layer crossing hole surface, stop external substance to be entered below via hole ITO layer by the gap produced and corrode array base palte.
The present invention is by design protection apparatus structure on the color membrane substrates that the via hole position of array base palte is corresponding; after box technique is completed; the depression crossing hole site hides by this protective device; thus blocked outside moisture equal solvent material invade, thus when effectively prevent ITO breakage the metal of liquid crystal panel periphery by the phenomenon corroded gradually.To present invention efficiently solves in existing production process because liquid crystal panel is corroded the display frame bad phenomenon caused, improve picture quality, decrease the bad cost allowance caused in a large number.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection domain of claim.
Claims (7)
1. a liquid crystal panel, comprise: array base palte, color membrane substrates, sealed plastic box and chock insulator matter is provided with between described array base palte and described color membrane substrates, liquid crystal is sealed up for safekeeping between described array base palte and described color membrane substrates by described sealed plastic box, described array base palte is distributed with at least one via hole outside the region that described sealed plastic box is sealed up for safekeeping, it is characterized in that, each described via hole is provided with the protective device for sealing this via hole;
Described protective device is cylindricality, and the height of described protective device is identical with the distance between described array base palte and described color membrane substrates, and its cross-sectional area is more than or equal to the cross-sectional area of described via hole; One end of the protective device of described cylindricality is fixed on described color membrane substrates, and the other end is supported on described via hole, by described via seal;
Described protective device adopts identical material with described chock insulator matter, makes and made by a patterning processes with layer.
2. liquid crystal panel according to claim 1, is characterized in that, described protective device is fixed on described color membrane substrates by the mode of pasting or adsorb.
3. liquid crystal panel according to claim 1, is characterized in that, described protective device is fixed on described color membrane substrates by the mode of magnet adsorption.
4. liquid crystal panel according to claim 1, is characterized in that, described protective device is arranged on described via hole, by described via seal by the mode of welding, depositing or pasting.
5. liquid crystal panel according to claim 1, is characterized in that, described protective device adopts opaque material to make.
6. liquid crystal panel according to claim 1, is characterized in that, the material that described protective device adopts specific inductive capacity to be greater than 1 is made.
7. a liquid crystal display, is characterized in that, comprises the liquid crystal panel described in any one of claim 1-6.
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 |
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| 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 CN102830562A (en) | 2012-12-19 |
| CN102830562B true CN102830562B (en) | 2015-03-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| US10558090B2 (en) | 2017-10-30 | 2020-02-11 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display panel and manufacturing method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102314027A (en) * | 2010-06-30 | 2012-01-11 | 上海天马微电子有限公司 | Liquid crystal display panel |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003202584A (en) * | 2002-01-08 | 2003-07-18 | Toshiba Corp | Liquid crystal display device |
| KR101097333B1 (en) * | 2010-02-11 | 2011-12-23 | 삼성모바일디스플레이주식회사 | Liquid Crystal Display Panel |
| JP5292612B2 (en) * | 2010-12-20 | 2013-09-18 | 株式会社ジャパンディスプレイ | Liquid crystal display |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102314027A (en) * | 2010-06-30 | 2012-01-11 | 上海天马微电子有限公司 | Liquid crystal display panel |
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