CN100495083C - Colour unit structure for color light-filtering sheet - Google Patents
Colour unit structure for color light-filtering sheet Download PDFInfo
- Publication number
- CN100495083C CN100495083C CNB021531935A CN02153193A CN100495083C CN 100495083 C CN100495083 C CN 100495083C CN B021531935 A CNB021531935 A CN B021531935A CN 02153193 A CN02153193 A CN 02153193A CN 100495083 C CN100495083 C CN 100495083C
- Authority
- CN
- China
- Prior art keywords
- colour cell
- colour
- unfilled corner
- colored filter
- cell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Liquid Crystal (AREA)
- Optical Filters (AREA)
Abstract
A color unit structure of colorful optical filter includes a first color unit, a second color unit and a third color unit in a delta configuration structure and the overlapped region of the two adjacent color units is taken as the light screen region among which, each unit includes four flat edges and four scarfs formed by removing four end point regions of a rectangle which can reduce the overlapped regions of three kinds of color units and to reduce their open-end point areas of completely not overlapped regions so as to increase the color quality.
Description
Technical field
The invention relates to a kind of colored filter (color filter) technology, be particularly to a kind of structure of colour cell (color element) of colored filter.
Technical background
Along with the progress of science and technology with information, in order to obtain the abundant colors message, (colorfilter CF) is used on colour liquid crystal display device (Liquid Crystal Display), charge coupled cell (Charge Coupled Device) and the scanner video products such as (Scanner) colored filter widely.
Frivolous for having, power saving, and LCD that can full-colorization characteristic, comprise STN type (Super Twisted Nematic), TFT type (ThinFilm Transistor), the color monitor of mim type (MentalInsulator Metal) must use and contain red (R), green (G), blue (B) trichromatic colored filter, it is that arbitrary picture element of monochromatic display matrix originally is divided into three sub-picture elements is red to show, green, primary colors, be in harmonious proportion by trichromatic ratio again and create various colors, thus colored filter that LCD is presented is beautiful, true to nature, bright-coloured picture also can improve its surcharge.
The primary structure of LCD includes a membrane transistor (Thin Film Transistor, TFT) array base palte, a colored filter (color filter, CF) substrate and a liquid crystal layer, wherein the manufacture method of colored filter substrate is coating one deck meagre R, G, B pigment on a glass substrate, and the position of R, G, B pigment must with the accurate contraposition of each picture element on the tft array substrate.Consider based on cost of manufacture and quality, R, G, B color layer production method commonly used include: pigment dispersing method, decoration method, print process and electricity four kinds of methods etc., because the colored filter of pigment dispersing method manufacturing has high precision and preferable photostability and thermotolerance, and becomes the manufacturing main flow of present TFT type colored filter.
At first see also Fig. 1, Fig. 2 and Fig. 3, it shows the configuration pattern of the redness (R) of existing colored filter, green (G) and blue three kinds of colour cells such as (B), include strip shown in Figure 1 (strip) pattern, mosaic (mosaic) pattern shown in Figure 2 and triangle (delta) pattern shown in Figure 3, triangle pattern wherein shown in Figure 3 can provide easy and drive and best colour mixture effect, therefore is widely used at present in the colored filter design of AV video and audio product.In addition, in the colored filter substrate manufacture process in early days, a black matrix" (black matrix) layer is made in meeting in the gap of the colour cell of colored filter, mainly be intended for lightproof area, in order to covering the TFT element on the tft array substrate, and prevent to produce light leakage phenomena between the adjacent picture element zone.
In order to reduce the processing procedure cost, the colored filter substrate processing procedure of follow-up developments is no longer to make black-matrix layer, only makes colored filter on glass substrate, and the overlapping region of colour cell that utilizes colored filter is as lightproof area.See also Fig. 4 and Fig. 5, Fig. 4 shows the top view of the overlapping region of the colour cell that utilizes colored filter as lightproof area, the sectional view of the overlapping region of three colour cells of Fig. 5 displayed map 4.One colored filter 10 includes a red units R, a green cell G and a blue cell B, and these three kinds of colour cell R, G, B adopt the configuration structure of triangle pattern, can be used for being used as lightproof area as for the overlapping region of two adjacent colour cells.But, for the colour cell of rectangular profile, in the configuration structure of this triangle pattern, the edge of three kinds of colour cells can produce one three look overlapping region 12.As shown in Figure 5, three look overlapping regions 12 are piled up by three layer pigments, so can present relative overshooting shape, make and produce uneven pigment thickness distribution situation on the glass substrate, so can have influence on the consistance that electric field intensity in each picture element zone and liquid crystal molecule turn to, and then cause light leak (pixel light leakage), contrast to reduce (contrast ratio decrease), not good, the colour mixture problems such as (color mixed) of colour purity.
Summary of the invention
Fundamental purpose of the present invention is to propose a kind of structure of colour cell of colored filter, colour cell is to use the configuration structure of triangle (delta) pattern, and the overlapping region that utilizes colour cell is as lightproof area, and pass through the side cut or the unfilled corner design of four end points of each colour cell of improvement, can reduce the overlapping region of three kinds of colour cells, and can reduce the aperture area of overlapping region not fully of three kinds of colour cells, to reach the effect that promotes color quality, improves contrast, reduces light leak and avoid colour mixture.
The object of the present invention is achieved like this:
The structure of the colour cell of a kind of colored filter of the present invention is characterized in that, includes at least:
One first colour cell, one second colour cell and one the 3rd colour cell are to present triangle pattern configuration structure, and the overlapping region of two adjacent colour cells is as a lightproof area;
Wherein, the structure of each colour cell includes four flat limits and four bevelled edges, is four end points zones of a rectangular profile are removed and formed.
The length range of this bevelled edge is greater than 0 μ m, less than 8 μ m.
This bevelled edge is greater than 0 degree with the angle of this flat limit extended line, less than 90 degree.
Overlapping region scope between this first colour cell, this second colour cell and the 3rd colour cell is greater than 0 μ m, less than 10 μ m.
The structure of the colour cell of another kind of colored filter of the present invention includes at least:
One first colour cell, one second colour cell and one the 3rd colour cell are to present triangle pattern configuration structure, and the overlapping region of two adjacent colour cells is as a lightproof area;
Wherein, the structure of each colour cell includes four flat limits and four unfilled corner patterns, and these four unfilled corner patterns are to be made in four end points zones of a rectangular profile; And wherein:
This unfilled corner pattern adopts the hollow out design and be manufactured with a plurality of circular openings or a plurality of strip opening in this unfilled corner pattern; Perhaps this unfilled corner pattern adopts that to be manufactured with the identical protrusion of a plurality of inclinations and spacing in zigzag design and this unfilled corner pattern rectangular, or it is rectangular to be manufactured with the different protrusion of a plurality of inclinations and spacing in this unfilled corner pattern.
Overlapping region scope between this first colour cell, this second colour cell and the 3rd colour cell is greater than 0 μ m, less than 10 μ m.
Advantage of the present invention and good effect are:
Because the structure of the colour cell of a kind of colored filter of the present invention, include one first colour cell, one second colour cell and one the 3rd colour cell, be to present triangle (delta) pattern configuration structure, and the overlapping region of two adjacent colour cells is as a lightproof area.Wherein, the structure of each colour cell includes four flat limits and four bevelled edges, is four end points zones of a rectangular profile are removed and formed.Improve the side cut of four end points of each colour cell thus, can reduce the overlapping region of three kinds of colour cells, and can reduce the aperture area of overlapping region not fully of three kinds of colour cells, to reach the effect that promotes color quality, improves contrast, reduces light leak and avoid colour mixture.
Again, because the structure of the colour cell of another kind of colored filter of the present invention, include one first colour cell, one second colour cell and one the 3rd colour cell, be to present triangle (delta) pattern configuration structure, and the overlapping region of two adjacent colour cells is as a lightproof area.Wherein, the structure of each colour cell includes four flat limits and four unfilled corner patterns, and these four unfilled corner patterns are to be made in four end points zones of a rectangular profile.Further above-mentioned bevelled edge improvement is become special unfilled corner pattern thus, can avoid producing three look overlapping regions, also can reduce the area of opening.
Description of drawings
The configuration pattern of the redness (R) of Fig. 1,2,3 existing colored filters, green (G) and blue three kinds of colour cells such as (B);
Fig. 4 utilizes the overlapping region of colour cell of colored filter as the top view of lightproof area;
The sectional view of the overlapping region of three colour cells of Fig. 5 Fig. 4;
The top view of three colour cells of Fig. 6 first embodiment of the invention;
The top view of a colour cell of Fig. 7 first embodiment of the invention;
Fig. 8 is along the diagrammatic cross-section of the thickness profile of the tangent line I-I display color unit of Fig. 7;
Fig. 9 is along the diagrammatic cross-section of the thickness profile of the tangent line II-II display color unit of Fig. 7;
Figure 10 is along the diagrammatic cross-section of the thickness profile of the tangent line III-III display color unit of Fig. 7;
The top view of a colour cell structure of Figure 11 second embodiment of the invention;
The top view that the unfilled corner design of patterns of Figure 12～16 second embodiment of the invention changes.
[piece number explanation]
Prior art:
Red units R
Green cell G
Blue cell B
Three look overlapping regions, 12 the technology of the present invention:
Opening 26
Protrude rectangular 38,39
Embodiment
For above-mentioned and other purposes of the present invention, feature and advantage can be become apparent, cited below particularlyly go out preferred embodiment, and cooperate appended graphicly, be described in detail below:
[first embodiment]
First embodiment of the invention proposes a kind of colored filter, it is that red units, green cell and blue cell by triangle (delta) pattern configuration structure constituted, and the overlapping region that utilizes two adjacent colour cells can be applicable to not make on the color filter producing process of black-matrix layer as lightproof area.
First embodiment of the invention is the side cut of four end points of each colour cell of improvement, can reduce the overlapping region of three kinds of colour cells, and can reduce the aperture area of overlapping region not fully of three kinds of colour cells, to reach the effect that promotes color quality, improves contrast, reduces light leak and avoid colour mixture.
Continue to consult Fig. 6, Fig. 7, Fig. 8, Fig. 9, wherein Fig. 6 shows the top view of three colour cells, Fig. 7 shows the top view of a colour cell, Fig. 8 is the diagrammatic cross-section along the thickness profile of the tangent line I-I display color unit of Fig. 7, Fig. 9 is the diagrammatic cross-section along the thickness profile of the tangent line II-II display color unit of Fig. 7, and Figure 10 is the diagrammatic cross-section along the thickness profile of the tangent line III-III display color unit of Fig. 7.
As shown in Figure 6, the colored filter 20 of first embodiment of the invention includes three kinds of colour cell 22I, 22II, 22III, is to use the configuration structure of triangle (delta) pattern, and the overlapping region of two adjacent colour cells can be used as lightproof area.As shown in Figure 7, a colour cell 22 is to be designed to octagonal profile, is the regional removal of four end points of script rectangular profile is made into four flat limits 21 and four bevelled edges 23.According to the demand of processing procedure and color quality, length, the length of bevelled edge 23 and the angle of inclination of bevelled edge 23 that can the flat limit 21 of appropriate conversion.The preferably is, the length range L of bevelled edge 23 is 0＜L＜8 μ m, and bevelled edge 23 is 0＜θ＜90 degree with the angle theta of the extended line on flat limit 21.According to bevelled edge 23 designs, the overlapping scope D of edge of these three kinds of colour cell 22I, 22II, 22III is 0＜D＜10 μ m, the edge that can avoid these three kinds of colour cell 22I, 22II, 22III is overlapping and produce the excessive raised zones of pigment, and then reaches and promote color quality, improve contrast, improve colour purity and avoid purpose such as colour mixture.
But, between three kinds of colour cell 22I, 22II, 22III, may form an opening 26 of overlapping region not fully, though the very little danger that still has light leak of area.In order effectively to dwindle the area of opening 26, can reduce the angle of inclination that pigment is positioned at bevelled edge 23.Its principle is: utilize pigment dispersing method, decoration method, print process, electricity modes such as method when making the pattern of colour cell 22, because pigment is subjected to capillary influence, the pigment (color photoresistance) that is formed at bevelled edge 23 places can present the steeper gradient (as shown in Figure 9), and the pigment (color photoresistance) that is formed at flat limit 21 then can present than gentle incline (as Fig. 8 and shown in Figure 10).Therefore,, then can increase extended distance herein, and then reduce the area of opening 26 if reduce the pigment gradient that is formed at bevelled edge 23.
[second embodiment]
Second embodiment of the invention is further above-mentioned bevelled edge 23 improvement to be become special unfilled corner pattern, can avoid producing three look overlapping regions, also can reduce the area of opening 26.
See also Figure 11 and Figure 12 to 16, Figure 11 shows the top view of a colour cell structure of second embodiment of the invention, and Figure 12 to 16 shows the top view that the unfilled corner design of patterns changes.Shown in Figure 11, a colour cell 32 includes four flat limits 31 and four unfilled corner patterns 34, and wherein these four unfilled corner patterns 34 are positioned at four end points places of rectangular profile originally.According to the demand of processing procedure and color quality, the length that can the flat limit 31 of appropriate conversion and the area of unfilled corner pattern 34.
Though the present invention discloses as above with a preferred embodiment; right its is not in order to limit the present invention; anyly have the knack of this skill person; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking the scope that claims of the present invention define.
Claims (6)
1, a kind of structure of colour cell of colored filter is characterized in that, includes at least:
One first colour cell, one second colour cell and one the 3rd colour cell are to present triangle pattern configuration structure, and the overlapping region of two adjacent colour cells is as a lightproof area;
Wherein, the structure of each colour cell includes four flat limits and four bevelled edges, is four end points zones of a rectangular profile are removed and formed.
2, the structure of the colour cell of colored filter according to claim 1 is characterized in that the length range of this bevelled edge is greater than 0 μ m, less than 8 μ m.
3, the structure of the colour cell of colored filter according to claim 1 is characterized in that, this bevelled edge is greater than 0 degree with the angle of this flat limit extended line, spends less than 90.
4, the structure of the colour cell of colored filter according to claim 1 is characterized in that the overlapping region scope between this first colour cell, this second colour cell and the 3rd colour cell is greater than 0 μ m, less than 10 μ m.
5, a kind of structure of colour cell of colored filter includes at least:
One first colour cell, one second colour cell and one the 3rd colour cell are to present triangle pattern configuration structure, and the overlapping region of two adjacent colour cells is as a lightproof area;
Wherein, the structure of each colour cell includes four flat limits and four unfilled corner patterns, and these four unfilled corner patterns are to be made in four end points zones of a rectangular profile; It is characterized in that,
This unfilled corner pattern adopts the hollow out design and be manufactured with a plurality of circular openings or a plurality of strip opening in this unfilled corner pattern; Perhaps, this unfilled corner pattern adopts that to be manufactured with the identical protrusion of a plurality of inclinations and spacing in zigzag design and this unfilled corner pattern rectangular, or it is rectangular to be manufactured with the different protrusion of a plurality of inclinations and spacing in this unfilled corner pattern.
6, as the structure of the colour cell of colored filter as described in the claim 5, it is characterized in that the overlapping region scope between this first colour cell, this second colour cell and the 3rd colour cell is greater than 0 μ m, less than 10 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021531935A CN100495083C (en) | 2002-11-26 | 2002-11-26 | Colour unit structure for color light-filtering sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021531935A CN100495083C (en) | 2002-11-26 | 2002-11-26 | Colour unit structure for color light-filtering sheet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1503012A CN1503012A (en) | 2004-06-09 |
| CN100495083C true CN100495083C (en) | 2009-06-03 |
Family
ID=34235003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021531935A Expired - Lifetime CN100495083C (en) | 2002-11-26 | 2002-11-26 | Colour unit structure for color light-filtering sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100495083C (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1333273C (en) * | 2005-02-28 | 2007-08-22 | 胜华科技股份有限公司 | Black matrix layout method |
| TWI346220B (en) | 2006-12-01 | 2011-08-01 | Au Optronics Corp | Lcd |
| CN100426090C (en) * | 2006-12-05 | 2008-10-15 | 友达光电股份有限公司 | Display panel |
| US8269924B2 (en) | 2007-12-26 | 2012-09-18 | Nlt Technologies, Ltd. | Color filter substrate and liquid crystal display unit |
| JP5151903B2 (en) * | 2007-12-26 | 2013-02-27 | Ｎｌｔテクノロジー株式会社 | Color filter substrate, manufacturing method thereof, and liquid crystal display device |
| TWI391735B (en) | 2009-07-06 | 2013-04-01 | Au Optronics Corp | Color filter array on pixel array substrate and display panel |
| CN102156361B (en) * | 2010-12-30 | 2013-03-13 | 昆山龙腾光电有限公司 | Liquid crystal displaying panel and liquid crystal displaying device |
| CN102830536B (en) * | 2012-08-31 | 2015-06-10 | 京东方科技集团股份有限公司 | Colored film substrate, display panel and display device |
| CN104297996B (en) * | 2014-11-10 | 2018-03-27 | 上海天马微电子有限公司 | Color film substrate, liquid crystal display panel and display device |
| CN104407504B (en) * | 2014-11-28 | 2017-01-18 | 南京中电熊猫液晶材料科技有限公司 | Mosaic exposure method for color filter |
| CN105652506B (en) * | 2016-01-22 | 2018-09-18 | 昆山龙腾光电有限公司 | Colored filter and preparation method thereof and light shield for making colored filter |
| TWI669556B (en) * | 2018-06-29 | 2019-08-21 | 友達光電股份有限公司 | Display panel |
-
2002
- 2002-11-26 CN CNB021531935A patent/CN100495083C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN1503012A (en) | 2004-06-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100495083C (en) | Colour unit structure for color light-filtering sheet | |
| CN105652506B (en) | Colored filter and preparation method thereof and light shield for making colored filter | |
| CN106802511A (en) | A kind of color membrane substrates, its preparation method and relevant apparatus | |
| CN103217832B (en) | Color filter, manufacturing method and displaying device of color filter | |
| CN202041673U (en) | Color filter and liquid crystal display | |
| CN106707606A (en) | Special-shaped display panel and display device | |
| CN107507522A (en) | Display panel and display device | |
| CN105242448A (en) | Manufacturing method of color filter substrate and color filter substrate | |
| CN106125179B (en) | Display device and its optical filter | |
| CN104865735A (en) | Color film substrate and manufacturing method thereof and liquid crystal display panel | |
| CN108398826A (en) | special-shaped display panel and display device | |
| CN208848021U (en) | Display panel and display device | |
| CN106125391A (en) | Display floater and display device | |
| CN104297991B (en) | Color film substrate and display device | |
| CN107561769A (en) | To the restorative procedure of box substrate and its manufacture method, display device and bright spot | |
| CN106896571A (en) | The preparation method of color membrane substrates and the preparation method of liquid crystal panel | |
| CN106371243A (en) | Display substrate and manufacturing method thereof | |
| CN101153930A (en) | Colourful optical filter | |
| CN108919549A (en) | Display panel, manufacturing method thereof and display device | |
| CN108153033A (en) | Optical filter and its manufacturing method, mask plate and liquid crystal display device | |
| CN107608125A (en) | Display panel and method for manufacturing the same | |
| TWI274906B (en) | A color filter | |
| CN101153931A (en) | Colorful spectral filter | |
| CN206178292U (en) | Display substrate, display panel and display device | |
| CN209590465U (en) | Color film substrate, display panel and display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090603 |
|
| CX01 | Expiry of patent term |