CN101846841A - Color film substrate of liquid crystal display and manufacturing method thereof - Google Patents
Color film substrate of liquid crystal display and manufacturing method thereof Download PDFInfo
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- CN101846841A CN101846841A CN200910081005A CN200910081005A CN101846841A CN 101846841 A CN101846841 A CN 101846841A CN 200910081005 A CN200910081005 A CN 200910081005A CN 200910081005 A CN200910081005 A CN 200910081005A CN 101846841 A CN101846841 A CN 101846841A
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Abstract
本发明公开了一种液晶显示器的彩膜基板及其制造方法。该液晶显示器的彩膜基板，包括透明基板以及黑矩阵，所述黑矩阵包括多个横向部分及纵向部分，所述黑矩阵的所述横向部分或纵向部分上分别设有两条引线，用于充入极性相反的电荷使其之间形成电场。本发明通过在黑矩阵上或将黑矩阵设置成平行的两条引线，向两条引线分别充入极性相反的电荷形成电场，吸附异物，消除了“残像”发生。
The invention discloses a color filter substrate of a liquid crystal display and a manufacturing method thereof. The color filter substrate of the liquid crystal display includes a transparent substrate and a black matrix, the black matrix includes a plurality of horizontal parts and vertical parts, and two lead wires are respectively arranged on the horizontal parts or the vertical parts of the black matrix for Filling with charges of opposite polarity creates an electric field between them. In the present invention, by setting the black matrix as two parallel lead wires, charging the two lead wires with charges with opposite polarities respectively to form an electric field, absorbing foreign matter, and eliminating the occurrence of "afterimage".
Description
Technical field
The present invention relates to the color membrane substrates and the manufacture method thereof of LCD, especially relate to the color membrane substrates and the manufacture method thereof of the LCD that can eliminate " image retention ".
Background technology
LCD is made of liquid crystal panel, Polarizer and module backlight.Wherein, liquid crystal panel splashes into the liquid crystal layer that liquid crystal forms after by array base palte, color membrane substrates and array base palte and the accurate contraposition of color membrane substrates and constitutes.
Fig. 1 is the floor map of the color membrane substrates of existing LCD.Fig. 2 is that the A-A of Fig. 1 is to sectional view.As depicted in figs. 1 and 2, existing color membrane substrates comprises: transparency carrier 1, black matrix 2, color resin 3.Wherein, black matrix 2 is reticulate textures that a plurality of lateral parts 21 and longitudinal component 22 intersect vertically and form.The lateral part 21 of black matrix 2 or longitudinal component 22 are arranged alternately on transparency carrier 1 with color resin 3.The corresponding setting of grid line, data line and thin film transistor (TFT) (TFT) on black matrix 2 and the array base palte is used to cover these elements.The zone that these black matrixes are covered with is referred to as " non-open area ".Color resin 3 comprises the resin (resin) of three kinds of colors of RGB (RGB), each color resin 3 all with the corresponding setting of the pixel electrode on the array base palte, color is provided, the zone of these color resin correspondences is referred to as " open area ".
Along with the expansion of liquid crystal industry, the technology of making liquid crystal panel improves constantly, and technology is also constantly being improved and upgraded, and good technology can not only be enhanced product performance, and can reduce cost of products simultaneously, improves product competitiveness.In the production technology of large size panel, adopt liquid crystal drip-injection (ODF) technology at present mostly, this technology is to drop in certain amount of liquid crystal on the array base palte earlier, to fit after array base palte and the smart contraposition of color membrane substrates in a vacuum then, the heat curing by envelope frame glue forms liquid crystal panel again.
Can produce a large amount of foreign matters in the technology that forms liquid crystal panel, wherein foreign matter is mainly charged ion-type foreign matter.These foreign matters can hinder liquid crystal aligning and rotation, cause " image retention ", and the display performance of LCD is had bigger influence.
In order to reduce the defective that these foreign matters cause, adopt following 3 kinds of methods in the prior art.
1, use as far as possible the symmetry the voltage driven array substrate on pixel electrode.
2, as far as possible with the structural symmetry of the pixel electrode of array base palte.
3, higher liquid crystal material and the aligning film material of the anti-foreign matter performance of exploitation.
Said method 1 and 2 is comparatively difficult in force, and 3 R﹠D cycles of method are long, and the cost height, nowadays also do not find suitable material.Therefore, above-mentioned three kinds of methods still can not " image retention " problem of causing of solution foreign matter.
Summary of the invention
The color membrane substrates and the manufacture method thereof that the purpose of this invention is to provide a kind of LCD can be eliminated because " image retention " that the foreign matter in the liquid crystal panel causes.
For achieving the above object, the invention provides a kind of color membrane substrates of LCD, comprise transparency carrier and black matrix, described black matrix comprises a plurality of lateral parts and longitudinal component, be respectively equipped with two lead-in wires on the described lateral part of described black matrix or the longitudinal component, be used to charge into opposite polarity electric charge and make and form electric field between it.
For achieving the above object, the invention provides the color membrane substrates of another kind of LCD, it comprises transparency carrier and black matrix, described black matrix comprises a plurality of lateral parts and longitudinal component, described lateral part or longitudinal component are made of two lead-in wires, are used to charge into opposite polarity electric charge and make and form electric field between it.
For achieving the above object, the present invention also provides a kind of manufacture method of color membrane substrates of LCD, comprising:
For achieving the above object, the present invention also provides the manufacture method of the color membrane substrates of another kind of LCD, comprising:
Step 11, provide a transparency carrier;
Step 12, the black matrix film of deposition form the lateral part or the longitudinal component figure of deceiving matrix by composition technology;
Step 13, depositing metal films, form the lead-in wire figure by composition technology, described lead-in wire figure is for will form the set of two lead-in wires that form on the position of longitudinal component or lateral part at each, and described two lead-in wires are used to apply the polarity opposite charges makes it form electric field.
For achieving the above object, the present invention also provides the manufacture method of the color membrane substrates of another kind of LCD, comprising:
Step 23, the black matrix film of deposition form the longitudinal component or the lateral part figure of deceiving matrix by composition technology.
As shown from the above technical solution, the color membrane substrates of LCD of the present invention and manufacture method thereof, become two parallel lead-in wires by on black matrix, maybe deceiving arranged in matrix, charge into opposite polarity electric charge respectively to two lead-in wires and form electric field, the absorption foreign matter has been eliminated " image retention " problem that is caused by foreign matter.
Description of drawings
Fig. 1 is the floor map of the color membrane substrates of existing LCD;
Fig. 2 is that the A-A of Fig. 1 is to sectional view;
Fig. 3 is the floor map of color membrane substrates first embodiment of LCD of the present invention;
Fig. 4 is that the B-B of Fig. 3 is to cut-open view;
Fig. 5 is the floor map of color membrane substrates second embodiment of LCD of the present invention;
Fig. 6 is that the C-C of Fig. 5 is to cut-open view;
Fig. 7 is the process flow diagram of manufacture method of color membrane substrates first embodiment of LCD of the present invention;
Fig. 8 is the process flow diagram of manufacture method of color membrane substrates second embodiment of LCD of the present invention.
Embodiment
The color membrane substrates of LCD of the present invention, comprise transparency carrier, black matrix and color resin, black matrix comprises a plurality of lateral parts and longitudinal component, the material of black matrix is an insulating material, lateral part or longitudinal component are provided with two lead-in wires, or lateral part or longitudinal component be made of two lead-in wires, and two lead-in wires can be used for charging into opposite polarity electric charge to be made and form electric field between it.The present invention becomes two parallel lead-in wires by maybe will deceive arranged in matrix on black matrix, charge into opposite polarity electric charge respectively to two lead-in wires and form electric field, the absorption foreign matter is adsorbed onto " non-open area " from " open area ", eliminated the influence of foreign matter, eliminated " image retention " and taken place the liquid crystal molecule that is used for display image.The driving voltage that compared to existing technology, pixel electrode need be symmetrical arranged, also need charge into symmetry drives pixel electrode to be reduced the technical scheme that " image retention " that foreign matter causes take place and compares, and can reduce craft precision, simplifies technology, saves cost.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Fig. 3 is the floor map of color membrane substrates first embodiment of LCD of the present invention, and Fig. 4 is that the B-B of Fig. 3 is to cut-open view.As shown in Figures 3 and 4, in the present embodiment, the film substrate of LCD coloured silk comprises: transparency carrier 1, black matrix 2, color resin 3, first lead-in wire, 4 and second lead-in wire 5.Black matrix 2 is reticulate textures that a plurality of lateral parts 21 and longitudinal component 22 intersect the insulation that forms.Black matrix 2 and color resin 3 are formed on the top of transparency carrier 1, are formed with color resin 3 in the part that adjacent two lateral parts 21 and longitudinal component 22 surround.The top of each lateral part 21 of black matrix 2 is provided with first lead-in wire, 4 and second lead-in wire 5, by charging into opposite polarity electric charge to first lead-in wire, 4 and second lead-in wire 5, for example charge into positive charge to first lead-in wire 4, second lead-in wire 5 charges into negative charge, making wins forms electric field between lead-in wire 4 and second lead-in wire 5, foreign matter 100 in the adsorption liquid crystal layer, make in the liquid crystal layer foreign matter 100 from display image " open area " be adsorbed onto not " the non-open area " of display image, eliminated 100 pairs of influences that are used for the liquid crystal molecule of display image of foreign matter, eliminated " image retention ".
In the present embodiment, only exemplified the embodiment that two lead-in wires (first lead-in wire and second lead-in wire) is set above the lateral part.But, when specifically implementing, two lead-in wires can also be set above longitudinal component; Or can also between the lateral part of deceiving matrix or longitudinal component and transparency carrier, form two lead-in wires (promptly below lateral part or longitudinal component); Or can also in lateral part of deceiving matrix or longitudinal component, two lead-in wires be set, in order to form electric field.In fact, produce electric field as long as can allow between the lead-in wire, foreign matter is adsorbed onto the below of deceiving matrix, the elimination foreign matter gets final product the influence of display image.That is, first lead-in wire and second lead-in wire can also one be arranged on deceives in the matrix, another be arranged on deceive matrix above or below all can.Preferably, first lead-in wire is parallel with second lead-in wire, can prevent that so two lead-in wires from intersecting and short circuit.
Form electric field and need apply voltage to two lead-in wires, therefore, apply voltage to lead-in wire for convenience, two lead-in wires are horizontally set on the lateral part preferably, vertically is provided with on longitudinal component.Length is preferably identical with lateral part or longitudinal component.So, can drive from the outside power supply of introducing of color membrane substrates.Preferably, introduce 0 to ± 5V driving voltage from the outside.Certainly, can also be provided with by inner some, drive lead-in wire etc. such as the signal with the signal wire on color membrane substrates or the array base palte, at this moment, lead-in wire should be connected accordingly with these signal wires (for example grid line, public electrode wire etc.).Because those skilled in the art are by enlightenment of the present invention, be easy to the driving that goes between with existing means, the formation electric field, so repeat no more.
During concrete enforcement, can adjust width, the distance between the lead-in wire of first lead-in wire and second lead-in wire and the size of the voltage that charges into reduces as far as possible or eliminates interference between first and second lead-in wire and the signal wire (grid line, data line, public electrode wire, TFT and pixel electrode).Preferably, the width of lead-in wire is 1-3 μ m, and the distance between the lead-in wire is 2-10 μ m.In addition, can also avoid mutual interference mutually with signal wire by regulating the duration of charging.
Fig. 5 is the floor map of color membrane substrates second embodiment of LCD of the present invention, and Fig. 6 is that the C-C of Fig. 5 is to cut-open view.As Fig. 5 and shown in Figure 6, the color membrane substrates of the LCD of present embodiment comprises: transparency carrier 1, black matrix 2 ', color resin 3, the 3rd lead-in wire the 6 and the 4th lead-in wire 7.Black matrix 2 ' is made of a plurality of lateral parts 21 ' and longitudinal component 22 '.In the present embodiment, adopt as opaque conductive materials such as metals to have formed by the 3rd lead-in wire the 6 and the 4th lead-in wire 7 lateral parts 21 ' that constitute.Formed longitudinal component by existing black matrix material.So, can be by charging into opposite polarity electric charge to the 3rd lead-in wire the 6 and the 4th lead-in wire 7, for example to the 3rd lead-in wire 6 charge into positive charge, the 4th lead-in wire 7 charges into negative charge, make and form electric field between the 3rd lead-in wire the 6 and the 4th lead-in wire 7, foreign matter 100 in the adsorption liquid crystal layer can be eliminated " image retention " problem that foreign matter causes.
During concrete enforcement, also the longitudinal component of deceiving matrix can be arranged to two lead-in wires, the lateral part keeps identical structure in the prior art, reaches identical technique effect.
In the present embodiment, form the lateral part that constitutes by lead-in wire earlier, formed the longitudinal component of black matrix then, can also will be formed on the top of longitudinal component by the lateral part that lead-in wire constitutes conversely certainly.
Form electric field and need apply voltage to two lead-in wires, therefore, apply voltage to lead-in wire for convenience, two lead-in wires are horizontally set on the lateral part preferably, vertically is provided with on longitudinal component.Length is preferably identical with lateral part or longitudinal component.In addition, preferred the 3rd lead-in wire is parallel with the 4th lead-in wire, can prevent that so two lead-in wires from intersecting and short circuit.The width of the 3rd lead-in wire the 6 and the 4th lead-in wire 7 is preferably 1-3 μ m, and the distance between the 3rd lead-in wire the 6 and the 4th lead-in wire 7 is preferably 2-10 μ m.This scope, can guarantee to the 3rd lead-in wire the 6 and the 4th lead-in wire 7 when applying voltage and the interference of signal wire do not influence the demonstration of normal pictures.
Below, the manufacture method of the color membrane substrates of LCD of the present invention is described.
Fig. 7 is the process flow diagram of manufacture method of color membrane substrates first embodiment of LCD of the present invention.As shown in Figure 7, comprising:
What deserves to be mentioned is, in the present embodiment, can form black matrix earlier and form lead-in wire then, make lead-in wire be formed on the top of black matrix; Or can form the lead-in wire black matrix of formation above lead-in wire then earlier; Or after forming black matrix, etch away the part of black matrix, two lead-in wires are arranged at the inside of black matrix.
In addition, color resin can also be formed at earlier on the transparency carrier, and the back forms black matrix etc.
Composition technology of the present invention comprises: to coating, development, exposure and the cineration technics of photoresist, and the technology of using always in the field of microelectronic fabrication such as etch process.
The present invention makes it produce electric field by on black matrix two lead-in wires being set, and foreign matter is adsorbed onto black matrix area, makes it not affect rotation and the orientation of display image with liquid crystal molecule, and then has eliminated " image retention ".
Fig. 8 is the process flow diagram of manufacture method of color membrane substrates second embodiment of LCD of the present invention.As shown in Figure 8, comprising:
Step 11, provide a transparency carrier;
Step 12, depositing metal films, form the lead-in wire figure by composition technology, described lead-in wire figure is for will form the set of two lead-in wires that form on the position of lateral part or longitudinal component at each, and described two lead-in wires are used to apply the polarity opposite charges makes it form electric field;
Step 13, the black matrix film of deposition form the longitudinal component or the lateral part figure of deceiving matrix by composition technology;
Step 14, deposition color resin film, and by composition technology formation color resin figure.
Above-mentioned steps 13 and 12 can mutual alternative.
Need to prove that " top " " below " described in the present invention is meant a certain direction that refers among the figure, among the present invention transparency carrier be defined as and be positioned at " below " that black matrix is positioned at " top " of transparency carrier; Described " certain so-and-so on " is meant with " certain so-and-so " and is connected, but do not limit direction.In addition, " lateral part " of the present invention is used to distinguish two vertical parts with " longitudinal component ", and is not to be used to limit direction.
It should be noted that at last: above embodiment is only in order to technical scheme of the present invention to be described but not limit it, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that: it still can make amendment or be equal to replacement technical scheme of the present invention, and these modifications or be equal to replacement and also can not make amended technical scheme break away from the spirit and scope of technical solution of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2009100810050A CN101846841B (en) | 2009-03-27 | 2009-03-27 | Color film substrate of liquid crystal display and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100810050A CN101846841B (en) | 2009-03-27 | 2009-03-27 | Color film substrate of liquid crystal display and manufacturing method thereof |
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| CN101846841A true CN101846841A (en) | 2010-09-29 |
| CN101846841B CN101846841B (en) | 2012-07-18 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013067875A1 (en) * | 2011-11-11 | 2013-05-16 | 京东方科技集团股份有限公司 | Liquid crystal display panel and liquid crystal display device |
| CN103376591A (en) * | 2012-04-25 | 2013-10-30 | 东莞万士达液晶显示器有限公司 | Color filter substrate and display panel with the color filter substrate |
| CN110568950A (en) * | 2018-06-05 | 2019-12-13 | 鸿富锦精密工业（深圳）有限公司 | TFT substrate and touch display panel |
| CN111474786A (en) * | 2020-05-12 | 2020-07-31 | 深圳市华星光电半导体显示技术有限公司 | Liquid crystal display panel |
| CN114779539A (en) * | 2022-03-30 | 2022-07-22 | 绵阳惠科光电科技有限公司 | Display panel and adjusting method of display panel |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100505549B1 (en) * | 1997-06-13 | 2005-08-04 | 세키스이가가쿠 고교가부시키가이샤 | Method of arranging particulates, liquid crystal display, and anisotropic conductive film |
| TWI270835B (en) * | 2002-10-29 | 2007-01-11 | Matsushita Electric Ind Co Ltd | Display device and generation method of image display particle |
| KR100762252B1 (en) * | 2006-05-30 | 2007-10-01 | 엘지전자 주식회사 | Plasma display device |
-
2009
- 2009-03-27 CN CN2009100810050A patent/CN101846841B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013067875A1 (en) * | 2011-11-11 | 2013-05-16 | 京东方科技集团股份有限公司 | Liquid crystal display panel and liquid crystal display device |
| US9069195B2 (en) | 2011-11-11 | 2015-06-30 | Boe Technology Group Co., Ltd. | Liquid crystal display panel comprising conductive structure and liquid crystal display device |
| CN103376591A (en) * | 2012-04-25 | 2013-10-30 | 东莞万士达液晶显示器有限公司 | Color filter substrate and display panel with the color filter substrate |
| CN110568950A (en) * | 2018-06-05 | 2019-12-13 | 鸿富锦精密工业（深圳）有限公司 | TFT substrate and touch display panel |
| CN110568950B (en) * | 2018-06-05 | 2023-08-01 | 鸿富锦精密工业（深圳）有限公司 | TFT substrate and touch display panel |
| CN111474786A (en) * | 2020-05-12 | 2020-07-31 | 深圳市华星光电半导体显示技术有限公司 | Liquid crystal display panel |
| CN111474786B (en) * | 2020-05-12 | 2021-07-06 | 深圳市华星光电半导体显示技术有限公司 | Liquid crystal display panel |
| CN114779539A (en) * | 2022-03-30 | 2022-07-22 | 绵阳惠科光电科技有限公司 | Display panel and adjusting method of display panel |
| CN114779539B (en) * | 2022-03-30 | 2023-03-10 | 绵阳惠科光电科技有限公司 | Display panel and adjusting method of display panel |
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| CN101846841B (en) | 2012-07-18 |
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