CN101029947A - Color light filter - Google Patents
Color light filter Download PDFInfo
- Publication number
- CN101029947A CN101029947A CN 200710096331 CN200710096331A CN101029947A CN 101029947 A CN101029947 A CN 101029947A CN 200710096331 CN200710096331 CN 200710096331 CN 200710096331 A CN200710096331 A CN 200710096331A CN 101029947 A CN101029947 A CN 101029947A
- Authority
- CN
- China
- Prior art keywords
- colored filter
- top surface
- separator
- black matrix
- filter
- 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.)
- Pending
Links
Images
Abstract
A color filter is prepared as setting black matrix on base plate and arranging multiple opening on black matrix, forming said black matrix by a bottom surface contacted with base plate and a top surface with area being greater than bottom surface, setting multiple color filtering film separately on base plate exposed by each opening and forming an arc top surface on at least one color filtering film.
Description
Technical field
The invention relates to the display panels of a kind of colored filter and application colored filter, and particularly relevant for a kind of colored filter and display panels with preferable color saturation.
Background technology
Recently, a kind of method of utilizing ink jet printing (inkjet printing) to form colored filter is developed.This manufacture method at first forms a black matrix on a substrate, it has a plurality of openings.Then, carry out the ink jet printing manufacture process so that pigment (red, green, blueness) is sprayed in the opening of black matrix.Continue it, carry out a heat baking processing procedure (thermal baking process) so that pigment is solidified, and form colored filter.Above-mentioned known method of making colored filter by the ink jet printing processing procedure still has some shortcomings.For example, in the ink jet printing processing procedure, when being injected to pigment in the opening of deceiving between the matrix pattern, owing to the speed that sprays into color pigment is very fast, so regular meeting causes the color pigment splash.Therefore, if fail the ink jet printing processing procedure is carried out good control, then just may produce the problem of colour mixture at the color pigment of adjacent apertures.
Fig. 1 contains fluoro plasma forms hydrophobic membrane on known black matrix synoptic diagram for utilizing.Please refer to Fig. 1, known colored filter 100 comprises a substrate 110 and is disposed at the black matrix 112 of one on the substrate 110 that wherein black matrix 112 has a plurality of opening P (only showing an opening among Fig. 1).In order to prevent that color pigment from overflowing or the problem of mutual union dyeing, can on the surface of black matrix 112, carry out hydrophobic processing procedure 120 usually, to form fluorine-containing hydrophobic membrane 130.As shown in Figure 1, containing fluoro plasma can react with the top surface 114 and the side surface 116 of black matrix 112, to form fluorine-containing hydrophobic membrane 130 on top surface 114 of deceiving matrix 112 and side surface 116.
In Fig. 1, because the side surface 116 of black matrix 110 also has hydrophobicity, so when color pigment was inserted opening P, color pigment can't be attached on the side surface 116 of black matrix 112, and made color pigment be difficult for filling up equably the whole opening P of black matrix 112.Thus, the attaching property between color filter film and the black matrix 112 is bad, makes colored filter have the not good shortcoming of color saturation easily.By the description of prior art as can be known, carry out the ink jet printing processing procedure when making colored filter, slop over and union dyeing, can carry out hydrophobic treatments on the surface of black matrix for fear of color pigment.Yet, after the black matrix of known island structure carries out hydrophobic treatments, the problem that the hydrophobicity of its side surface but often causes color pigment the opening of deceiving matrix fully can't be filled up.Therefore, the present invention in this design that proposes several colored filters to improve above-mentioned phenomenon.
Summary of the invention
The object of the present invention is to provide a kind of colored filter, to improve the attaching property between separator and the color filter film.
Another object of the present invention is to propose a kind of display panels, the image of its demonstration has good color saturation.
The object of the present invention is achieved like this, and a kind of colored filter comprises substrate, separator and a plurality of color filter film.Separator is disposed on the substrate, and wherein separator has a plurality of openings, and separator have one with the basal surface of substrate contacts and an area top surface greater than this basal surface, and the profile of basal surface does not exceed the profile of top surface.In addition, on the substrate that a plurality of color filter films are disposed at each opening respectively and are exposed, and each color filter film has an arc top surface.
In the present invention, the top surface of above-mentioned separator is a hydrophobic surface.
In the present invention, above-mentioned separator is to increase gradually with same ratio in the wide variety on from basal surface toward the top surface direction, or increases gradually in varing proportions.
In the present invention, above-mentioned separator is to successively decrease gradually earlier in the wide variety on from basal surface toward the top surface direction, increases progressively gradually again.
In the present invention, above-mentioned separator is to keep earlier necessarily in the wide variety on from basal surface toward the top surface direction, increases progressively gradually again.
In the present invention, above-mentioned separator is to keep earlier necessarily in the wide variety on from basal surface toward the top surface direction, increases progressively gradually afterwards again and successively decreases gradually.
In the present invention, above-mentioned arc top surface is a center projections, and peripheral recesses.
In the present invention, above-mentioned arc top surface is a concavity, and protruding on every side.
In the present invention, above-mentioned color filter film comprises red filter coating, green filter film and blue filter coating.
In the present invention, above-mentioned separator has a plurality of side surfaces that attach with color filter film, and side surface is a hydrophilic surface.
In the present invention, above-mentioned separator comprises a photoresistance, a black matrix, a metal, a dry film (dry film) or combinations thereof.
In the present invention, the height of above-mentioned separator is about the 1-5 micron.
In the present invention, the width of above-mentioned opening is about the 50-300 micron, and the length of above-mentioned opening is about the 100-500 micron.
In the present invention, the length of above-mentioned opening is the 350-450 micron.
In the present invention, the profile of above-mentioned top surface covers the profile of basal surface substantially.
The present invention proposes a kind of display panels in addition, and it comprises a multiple substrate, above-mentioned colored filter and liquid crystal layer.Colored filter and multiple substrate subtend are provided with, and liquid crystal layer then is arranged between multiple substrate and the colored filter.
In the present invention, above-mentioned multiple substrate comprises an electric crystal array film substrate.
From the above mentioned, the present invention utilizes the top surface broad and the narrower separator of basal surface, when colored filter is made, can insert color pigment complete and equably in the separator opening, so colored filter of the present invention can improve the known not good phenomenon of colored filter color saturation.
Description of drawings
Fig. 1 contains fluoro plasma forms hydrophobic membrane on the black matrix of island structure synoptic diagram for known utilization.
Fig. 2, Fig. 3, Fig. 4 A and Fig. 4 B are the partial cutaway schematic of the colored filter of four kinds of embodiment of the present invention.
Fig. 5 is colored filter of the present invention and known colored filter, carries out the process of ink jet printing processing procedure.
Fig. 6 be colored filter 200 of the present invention (or colored filter 300,400A, 400B) on look synoptic diagram.
Fig. 7 is the synoptic diagram of the display panels of one embodiment of the invention.
Drawing reference numeral:
100,200,300,400: colored filter
110,210: substrate
112,220,320,420: black matrix
114,224,324,424: top surface
116,226: side surface
120: hydrophobic processing procedure
130: fluorine-containing hydrophobic membrane
222,322,422: basal surface
230,430: color filter film
232,432: arc top surface
700: display panels
710: multiple substrate
720: colored filter
730: liquid crystal layer
H: highly
L: length
P: opening
W: width
Embodiment
Shown in Fig. 2, Fig. 3 and Fig. 4 A, Fig. 4 B, be the partial cutaway schematic of the colored filter of four kinds of embodiment of the present invention.Please earlier with reference to Fig. 2, colored filter 200 comprises that (separator can be photoresistance, black matrix, metal, dry film (dry film) or combinations thereof for example for substrate 210, separator, in the present embodiment, be to be example with black matrix 220) and a plurality of color filter film 230.Black matrix 220 is disposed on the substrate 210, and wherein black matrix 220 has a plurality of opening P.Black matrix 220 has a basal surface 222 that contacts with substrate 210 and the area top surface 224 greater than basal surface 222, and the profile of basal surface 222 does not exceed the profile of top surface 224.In addition, a plurality of color filter films 230 are disposed at respectively on the substrate 210 that each opening P exposed, and at least one color filter film 230 has an arc top surface 232.
In order to reduce in the ink jet printing processing procedure, colorant slop over phenomenon, present embodiment can utilize and contain carbon tetrafluoride (CF4) plasma or sulfur hexafluoride (SF6) plasma carries out hydrophobic treatments to black matrix 220, makes the surface of black matrix 220 have hydrophobicity.In colored filter proposed by the invention 200, top surface 224 areas of black matrix 220 are greater than basal surface 222, and the profile of basal surface 222 does not exceed the profile of top surface 224.So, when utilization contains fluoro plasma the top surface 224 of black matrix 220 is carried out hydrophobic treatments, contain on the top surface 224 that fluoro plasma only acts on black matrix 220, and make top surface 224 have hydrophobicity.That is except top surface 224, other surface is neither to have significant hydrophobicity in the black matrix 220.In other words, have a plurality of side surfaces 226 that attach with color filter film in the black matrix 220, and side surface 226 is a hydrophilic surface.In the ink jet printing processing procedure, colorant for example is pigment (pigment), dyestuff (dye) or combinations thereof.
Specifically, in the present embodiment, the black wide variety of matrix 220 on 224 directions from basal surface 222 toward top surface for example is to increase gradually with same ratio, and the section of therefore black matrix 220 can form trapezoidal pattern (as shown in Figure 2).In Fig. 3, the black wide variety of matrix 320 on 324 directions from basal surface 322 toward top surface for example is to increase gradually in varing proportions, and then the section of black matrix 320 can curved side.In addition, please refer to Fig. 4 A, the wide variety of black matrix 420A on 424 directions from basal surface 422 toward top surface of colored filter 400A more can be to keep necessarily earlier, increases progressively gradually and successively decreases, so at the top of deceiving matrix 420, a projective structure is arranged substantially.Certainly, shown in Fig. 4 B, also keep earlier necessarily, increase progressively gradually again but deceive the wide variety of matrix 420B on 424 directions from basal surface 422 toward top surface.In detail, black matrix 220,320,420A and 420B are formed in one or sandwich construction.Simultaneously, the height H of black matrix 220,320,420A and 420B for example is about the 1-5 micron, preferablely is about 2 microns.
What deserves to be mentioned is that when actual fabrication colored filter 200,300,400A or 400B, colorant is inserted the amount of opening P in the adjustment ink jet printing processing procedure, can make color filter film 230 or 430 have the outward appearance of different kenels.Specifically, in colored filter 200 and colored filter 300, the arc top surface 232 of color filter film 230 is center projections, and peripheral recesses.In addition, in colored filter 400A and 400B, the arc top surface 432 of color filter film 430 is concavities, and protruding on every side.
In a preferred embodiment of the present invention, the color filter film 230,430 on colored filter 200,300,400A and the 400B for example is red filter coating, green filter film and blue filter coating.In other embodiments, color filter film 230 or 430 also can be the color filter film 230 of other different colour system combinations.
In order to further specify the advantage of colored filter 200,300 of the present invention, 400A and 400B, present colored filter of the present invention and known colored filter among Fig. 5 relatively in the process of carrying out the ink jet printing processing procedure.Please refer to Fig. 5, A row and B row present colored filter 200 of the present invention (or colored filter 300,400A, 400B) and known colored filter 100 respectively, when carrying out the ink jet printing processing procedure, splash into the situation of colorant gradually.By contrast, when inserting 10 colorants, colorant is similar to the situation of distribution in the colored filter 100 at colored filter 200.When inserting 19 color pigments, the opening P on the colored filter 200 roughly fills up, and the fringe region of the opening P on the colored filter 100 then influences because of the hydrophobicity side surface of black matrix, and still leaves many blank.When inserting 24 colorants, the opening P on the colored filter 200 fills up fully, but the opening P edge on the colored filter 100 still leaves the space.
Hence one can see that, color pigment in the colored filter 200 (or colored filter 300,400A, 400B) is easier to complete and fills up opening P equably, therefore colored filter 200 (or colored filter 300,400A, 400B) can have color saturation preferably, reviews 100 of colored filters and can't reach identical effect.
Shown in Figure 6, for looking synoptic diagram on the colored filter 200 of the present invention (or colored filter 300,400A, 400B).Please refer to Fig. 6, the width W of the opening P of black matrix 220 in the colored filter 200 (or colored filter 300,400A, 400B) (or black matrix 320,420A, 420B) for example is about the 50-300 micron, the preferable 100-200 micron that is about.In addition, the length L of opening P for example is about the 100-500 micron, the preferable 350-450 micron that is about.
In addition, shown in Figure 7, be the synoptic diagram of the display panels of one embodiment of the invention.Please refer to Fig. 7, display panels 700 comprises multiple substrate 710, colored filter 720 and liquid crystal layer 730.Colored filter 720 and the configuration of multiple substrate 710 subtends, and liquid crystal layer 730 is disposed between multiple substrate 710 and the colored filter 720.What deserves to be mentioned is that the colored filter 720 that adopt in this place for example is any colored filter 200 described in the foregoing description (or colored filter 300,400A, 400B).Therefore, display panels 700 shown images can have color saturation preferably.
In sum, the present invention adopts the black matrix structure that top surface is wide, basal surface is narrow, so after carrying out hydrophobic treatments, only has top surface to have hydrophobicity in the black matrix.At this moment, when inserting colorant with the formation color filter film in the opening of black matrix, the phenomenon that colorant can't evenly fill up opening can not take place.In other words, colored filter of the present invention has the preferable advantage of color saturation.
Though the present invention discloses with specific embodiment; but it is not in order to limit the present invention; any those skilled in the art; the displacement of the equivalent assemblies of under the prerequisite that does not break away from design of the present invention and scope, having done; or, all should still belong to the category that this patent is contained according to equivalent variations and modification that scope of patent protection of the present invention is done.
Claims (10)
1. colored filter is characterized in that this colored filter comprises:
One substrate;
One separator is disposed on this substrate, and wherein this separator has a plurality of openings, and this separator have one with the basal surface of this substrate contacts and an area top surface greater than this basal surface;
A plurality of color filter films be disposed at respectively respectively in this opening, and at least one this color filter film have an arc top surface substantially.
2. colored filter as claimed in claim 1 is characterized in that: the described top surface of this separator is a hydrophobic surface.
3. colored filter as claimed in claim 1 is characterized in that: this separator is to increase gradually with same ratio in the wide variety on from described basal surface toward described top surface direction.
4. colored filter as claimed in claim 1 is characterized in that: this separator is to increase gradually in varing proportions in the wide variety on from described basal surface toward described top surface direction.
5. colored filter as claimed in claim 1 is characterized in that: this arc top surface is a center projections, and peripheral recesses.
6. colored filter as claimed in claim 1 is characterized in that: this arc top surface is a concavity, and protruding on every side.
7. colored filter as claimed in claim 1 is characterized in that: this separator has the side surface that a plurality of and described color filter film attaches, and described side surface is a hydrophilic surface.
8. colored filter as claimed in claim 1 is characterized in that: this separator comprises a photoresistance, a black matrix, a metal, a dry film or combinations thereof.
9. colored filter as claimed in claim 1 is characterized in that: the height of this separator is about the 1-5 micron.
10. colored filter as claimed in claim 1 is characterized in that: the profile of this top surface covers the profile of this basal surface substantially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710096331 CN101029947A (en) | 2007-04-10 | 2007-04-10 | Color light filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710096331 CN101029947A (en) | 2007-04-10 | 2007-04-10 | Color light filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101029947A true CN101029947A (en) | 2007-09-05 |
Family
ID=38715403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710096331 Pending CN101029947A (en) | 2007-04-10 | 2007-04-10 | Color light filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101029947A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105676332A (en) * | 2016-04-26 | 2016-06-15 | 东旭（昆山）显示材料有限公司 | Color filter and fabrication method thereof |
| WO2016101350A1 (en) * | 2014-12-26 | 2016-06-30 | 深圳市华星光电技术有限公司 | Manufacturing method of color filter |
| WO2017190585A1 (en) * | 2016-05-03 | 2017-11-09 | Boe Technology Group Co., Ltd. | Display substrate and method of fabricating display substrate |
| CN108919550A (en) * | 2018-07-18 | 2018-11-30 | 深圳市华星光电技术有限公司 | Color membrane substrates and preparation method thereof, liquid crystal display panel |
| CN109307945A (en) * | 2017-07-27 | 2019-02-05 | 立景光电股份有限公司 | Display panel |
| WO2019071717A1 (en) * | 2017-10-12 | 2019-04-18 | 深圳市华星光电半导体显示技术有限公司 | Color film substrate and manufacturing method therefor, and structure for increasing film layer thickness |
| CN111769141A (en) * | 2020-06-23 | 2020-10-13 | 武汉华星光电半导体显示技术有限公司 | Color filter, preparation method of color filter and display panel |
-
2007
- 2007-04-10 CN CN 200710096331 patent/CN101029947A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016101350A1 (en) * | 2014-12-26 | 2016-06-30 | 深圳市华星光电技术有限公司 | Manufacturing method of color filter |
| CN105676332A (en) * | 2016-04-26 | 2016-06-15 | 东旭（昆山）显示材料有限公司 | Color filter and fabrication method thereof |
| WO2017190585A1 (en) * | 2016-05-03 | 2017-11-09 | Boe Technology Group Co., Ltd. | Display substrate and method of fabricating display substrate |
| US10304915B2 (en) | 2016-05-03 | 2019-05-28 | Boe Technology Group Co., Ltd. | Display substrate and method of fabricating display substrate |
| CN109307945A (en) * | 2017-07-27 | 2019-02-05 | 立景光电股份有限公司 | Display panel |
| CN109307945B (en) * | 2017-07-27 | 2021-04-20 | 立景光电股份有限公司 | Display panel |
| WO2019071717A1 (en) * | 2017-10-12 | 2019-04-18 | 深圳市华星光电半导体显示技术有限公司 | Color film substrate and manufacturing method therefor, and structure for increasing film layer thickness |
| CN108919550A (en) * | 2018-07-18 | 2018-11-30 | 深圳市华星光电技术有限公司 | Color membrane substrates and preparation method thereof, liquid crystal display panel |
| CN111769141A (en) * | 2020-06-23 | 2020-10-13 | 武汉华星光电半导体显示技术有限公司 | Color filter, preparation method of color filter and display panel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101029947A (en) | Color light filter | |
| DE102017127964B4 (en) | Organic light emitting diode display, method of manufacturing the same, and display device | |
| CN105826355B (en) | A kind of preparation method of display floater | |
| US20060132666A1 (en) | Substrate for display device and manufacturing method thereof | |
| CN108807457A (en) | Array substrate and production method, OLED device and preparation method thereof, display device | |
| CN105774279A (en) | Ink-jet printing method and manufacturing method of OLED display device | |
| CN108493221A (en) | A kind of pixel arrangement structure, display panel, mask plate component and evaporated device | |
| CN1714310A (en) | Color filtering device for improved brightness | |
| CN1880982A (en) | Color filter and preparation method thereof | |
| CN111640772B (en) | Display panel, manufacturing method thereof and display device | |
| US20100033658A1 (en) | Color filter substrate and fabricating method thereof | |
| CN107331681A (en) | A kind of display base plate and preparation method thereof, display device | |
| CN1700043A (en) | Patterned member and production method thereof | |
| CN101013220B (en) | Method of fabricating black matrices of color filter | |
| CN101344607A (en) | Colored filter and preparation thereof | |
| CN1928669A (en) | Liquid crystal display panel and method for producing colorful filtering substrate | |
| EP1724627B1 (en) | Color filter and fabrication method thereof | |
| CN106711173A (en) | OLED display screen and OLED pixel arrangement structure thereof | |
| CN102707353B (en) | Color filter and method for producing same | |
| CN1503012A (en) | Colour unit structure for color light-filtering sheet | |
| KR20080071254A (en) | Full color electrowetting display | |
| CN113241360B (en) | OLED display panel and preparation method thereof | |
| CN1195998C (en) | Method for manufacturing color filter by use of micro flow liquid | |
| CN1306287C (en) | Colour filter, display and mfg. method thereof | |
| JP4342917B2 (en) | Manufacturing method of color filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |