CN202003108U - Color filter, liquid crystal panel and display equipment - Google Patents
Color filter, liquid crystal panel and display equipment Download PDFInfo
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- CN202003108U CN202003108U CN 201120089818 CN201120089818U CN202003108U CN 202003108 U CN202003108 U CN 202003108U CN 201120089818 CN201120089818 CN 201120089818 CN 201120089818 U CN201120089818 U CN 201120089818U CN 202003108 U CN202003108 U CN 202003108U
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Abstract
The utility model provides a color filter, a liquid crystal panel and display equipment. The color filter comprises a glass substrate, a plurality of color resins, a black matrix and an ITO (Indium Tin Oxide) film layer, wherein the color resins are formed on a first side of the glass substrate; the black matrix is formed on a second side of the glass substrate; the ITO film layer is formed on the second side of the glass substrate; and the first side is opposite to the second side. In the utility model, the black matrix is formed layer is formed at the back of the glass substate, so that the problem of angle section difference between a sub-pixel and the black matrix is solved. Meanwhile, in a manufacturing process of the color filter, a covering layer can be eliminated or thinned. The transmittance can be improved.
Description
Technical field
The utility model relates to the display technique field, and more particularly, the utility model relates to a kind of colored filter, uses the liquid crystal panel and the display device of this colored filter.
Background technology
Senior super dimension field switch technology (Advanced-Super Dimensional Switching; Be called for short: AD-SDS) parallel electric field and pixel electrode layer and the longitudinal electric field formation hyperspace compound field that is produced by same plane interior pixel electrode edge producing between electrode layer, make between liquid crystal cell interior pixel electrode, directly over the electrode and all aligned liquid-crystal molecules of liquid crystal cell top can both produce the rotation conversion, thereby to have improved planar orientation be the liquid crystal work efficiency and increased light transmission efficiency.Senior super dimension field switch technology can improve the TFT-LCD picture quality, has advantages such as high permeability, wide visual angle, high aperture, low aberration, low-response time, no water of compaction ripple (push Mura) ripple.
Fig. 1 and Fig. 2 schematically illustrate traditional structure of the colored filter of AD-SDS pattern, and wherein, Fig. 1 shows the structural representation of colored filter of the prior art, and Fig. 2 is the schematic cross-section of the A-A intercepting in Fig. 1.
Specifically, the structure of colored filter of the prior art mainly comprises glass substrate 1, black matrix 2, red resin 3, green resin 4, blue resins 5, overlayer 6, chock insulator matter (polystyrene) 7, reaches ITO rete 8.It should be explained that chock insulator matter is divided into cylindrical spacer (be called for short PS) and spherical chock insulator matter, is not the indispensable structure of colored filter, much can be provided with and form during to box follow-up under the situations.
Based on the structure that goes out illustrated in figures 1 and 2, prior art for the manufacture craft flow process of AD-SDS pattern color optical filter is: form ITO (transparent indium tin oxide) layer at the glass substrate back side by the mode of sputter coating earlier, with photoresist afterwards at the black matrix of the front of glass substrate coating, then by exposure, technologies such as development form black matrix grid rete as shown in the figure, form red then thereon in the same way respectively, green, blue matrix resin, be coated with upper caldding layer and curing afterwards above it, it is poor to eliminate section difference and angle section, then makes the chock insulator matter pattern on overlayer.
Yet the deficiencies in the prior art part is mainly reflected in: at first, technological process is relatively loaded down with trivial details, and the production cycle is longer; Secondly, owing to there is the problem of section difference and angle section difference, need overlayer starting material with photoresist, and tectal existence is also influential to transmitance, and production cost is higher; At last, the equipment investment in early stage is bigger.
Therefore, wish to propose a kind ofly can to simplify technological process, reduce cost of manufacture, possess the colored filter of the AD-SDS pattern of high permeability, big superior functions such as aperture opening ratio simultaneously.
The utility model content
A purpose of the present utility model provides a kind ofly can simplify technological process, reduces cost of manufacture, possesses the colored filter of the AD-SDS pattern of high permeability, big superior functions such as aperture opening ratio simultaneously.
Comprise according to a kind of colored filter of the present utility model: glass substrate; Color resin for a plurality of, is formed on first side of described glass substrate; Deceive matrix, be formed on second side of described glass substrate; And the ITO rete, be formed on second side of described glass substrate; Wherein said first side is relative with described second side.。
Further, in above-mentioned colored filter, can also comprise the overlayer of first side that is formed on described glass substrate, described overlayer covers on the surface of described color resin.
Preferably, in above-mentioned colored filter, further comprise the chock insulator matter of first side that is formed on described glass substrate, described chock insulator matter is arranged between the described color resin.Equally, described in the background technology, chock insulator matter is not the indispensable structure of colored filter as the front, can be provided with and form during to box follow-up under a lot of situations.
Preferably, in above-mentioned colored filter, described black matrix is formed directly on the described glass substrate.
Preferably, in above-mentioned colored filter, described ITO rete covers on the surface of described black matrix.
Preferably, in above-mentioned colored filter, at least a portion of described ITO rete directly contacts with described glass substrate.
Preferably, in above-mentioned colored filter, described color resin and described chock insulator matter pattern all are formed directly on the described glass substrate.
Preferably, in above-mentioned colored filter, described color resin comprises red resin, green resin and blue resins.
The utility model also provides a kind of liquid crystal panel, comprises above-described colored filter.
The utility model also provides a kind of display device, comprises above-mentioned liquid crystal panel.
The utility model by the back side that will deceive matrix layer and be formed on glass substrate (promptly, second side), thereby solved the angle section difference problem between sub-pixel (for example three sub-pixels of red, green, blue) and black matrix, made its manufacture craft can omit or the attenuate overlayer, improved transmitance.And further, chock insulator matter is formed directly on the glass substrate, and then the flatness of substrate color resin one side increases, and helps to improve to the thick homogeneity of unit box behind the box.
Description of drawings
In conjunction with the accompanying drawings, and, will more easily more complete understanding be arranged and more easily understand its attendant advantages and feature the utility model by with reference to following detailed, wherein:
Fig. 1 schematically shows the structural representation of colored filter of the prior art.
Fig. 2 is the schematic cross-section of the line A-A intercepting in Fig. 1.
Fig. 3 schematically shows according to the outboard profile behind the formation ITO rete of the utility model first embodiment.
Fig. 4 schematically shows the schematic perspective view according to the utility model first embodiment.
Fig. 5 schematically shows the schematic cross-section according to the utility model first embodiment.
Fig. 6 schematically shows the schematic cross-section according to the utility model second embodiment.
The reference number explanation:
1, glass substrate; 2, black matrix; 3, red resin; 4, green resin; 5, blue resins; 6, overlayer; 7, chock insulator matter; 8, ITO rete
Need to prove that accompanying drawing is used to illustrate the utility model, and unrestricted the utility model.Notice that the accompanying drawing of expression structure may not be to draw in proportion.And in the accompanying drawing, identical or similar elements indicates identical or similar label.
Embodiment
In order to make content of the present utility model clear and understandable more, content of the present utility model is described in detail below in conjunction with specific embodiments and the drawings.
Below in conjunction with Fig. 3 to Fig. 5 first embodiment of the present utility model is described.
Fig. 4 schematically shows the schematic perspective view of the utility model first embodiment.Fig. 5 schematically shows the schematic cross-section of the utility model first embodiment.
As shown in Figure 4 and Figure 5, the colored filter among the embodiment of the present utility model mainly comprises: glass substrate 1, ITO rete 8, black matrix 2 and color resin (being also referred to as colored photoresist film).
Wherein, color resin is a plurality of, can be strip or island and distribute.In the present embodiment, a plurality of color resins comprise red resin 3, green resin 4 and blue resins 5.But, it will be appreciated by persons skilled in the art that except red, green and blue combination can also adopt any other suitable color combinations, the utility model is not limited to described color combinations.
More particularly, a plurality of color resins 4,5,6 are formed on first side of described glass substrate; Black matrix 2 is formed on second side of described glass substrate; ITO rete 8 is formed on second side of described glass substrate.Wherein, first side is relative with second side.Black matrix 2 is formed directly on the described glass substrate 1.
And in above-mentioned colored filter, ITO rete 8 covers on the surface of described black matrix, and ITO rete 8 to small part directly contacts with described glass substrate 1.
Preferably, in above-mentioned colored filter, a plurality of color resins are formed directly on the described glass substrate.
Further, in above-mentioned colored filter, also comprise first side that is formed on described glass substrate and cover the lip-deep overlayer of described a plurality of color resin.This overlayer is thinner than overlayer of the prior art, is mainly used in the space of filling up between a plurality of color resins, to form more smooth colored filter surface, be beneficial to when making liquid crystal panel to box and friction orientation.
Need to prove that term " first side " and " second side " are only represented their position relations with respect to glass substrate, for example they can be interpreted as " front " and " back side " respectively, and it has only illustrated the position relation, and does not specifically limit direction.
Based on said structure, a concrete exemplary method for making that can adopt is as follows:
The back side at glass substrate 1 at first makes black matrix layer, by the exposure imaging operation, forms black matrix 2 patterns.
After checking by AOI (automated optical detection), after the black and white defective repaired, adopt the mode of sputter, on the surface of black matrix 2, form ITO rete 8, see also Fig. 3.Black matrix 2 lip-deep ITO retes 8 in production run from now on, have also played the certain protection effect to black matrix 2.And the part of formed ITO rete 8 (for example other parts except the lip-deep part that is in black matrix 2 of ITO rete 8) directly contacts with glass substrate 1.
Afterwards, upset glass substrate 1 forms red, green, blue three sub-pixels (red resin 3, green resin 4 and blue resins 5) by technologies such as coating, exposure, developments.
In case of necessity, color resin one side (glass substrate first side) that can continue at above-mentioned colored filter forms one deck overlayer.This tectal thickness is with the space of lucky filling color interlaminar resin and to make color resin one side form a plane just be good.
In above-mentioned first embodiment, the utility model is formed on the back side (that is, second side) of glass substrate by deceiving matrix layer, thereby has solved the angle section difference problem between sub-pixel and black matrix, makes its manufacture craft can omit or the attenuate overlayer; Improved the transmitance of light.
Fig. 6 shows the schematic cross-section according to the utility model second embodiment.As shown in Figure 6, the colorful filter structure in the present embodiment mainly comprises: glass substrate 1, ITO rete 8, black matrix 2, color resin and chock insulator matter 7.
More particularly, a plurality of color resins 4,5,6 are formed on first side of described glass substrate; Chock insulator matter 7 is formed on first side of described glass substrate, and black matrix 2 is formed on second side of described glass substrate; ITO rete 8 is formed on second side of described glass substrate.Wherein, first side is relative with second side.Black matrix 2 is formed directly on the described glass substrate 1.
And in above-mentioned colored filter, ITO rete 8 covers on the surface of described black matrix, and at least a portion of ITO rete 8 directly contacts with described glass substrate 1.
Preferably, in above-mentioned colored filter, color resin and chock insulator matter all are formed directly on the described glass substrate, and chock insulator matter is arranged on the gap between the described color resin.
Based on said structure, a concrete exemplary method for making that can adopt is as follows:
The back side at glass substrate 1 at first makes black matrix layer, by the exposure imaging operation, forms black matrix 2 patterns.
After checking by AOI, after the black and white defective repaired, adopt the mode of sputter, on the surface of black matrix 2, form ITO rete 8, see also Fig. 3.Black matrix 2 lip-deep ITO retes 8 in production run from now on, have also played the certain protection effect to black matrix 2.And the part of formed ITO rete 8 (for example other parts except the lip-deep part that is in black matrix 2 of ITO rete 8) directly contacts with glass substrate 1.
Afterwards, upset glass substrate 1 forms RGB sub-pixel (red resin 3, green resin 4 and blue resins 5) by technologies such as coating, exposure, developments.
In the blank space (that is, between a plurality of color resins) of glass, form chock insulator matter 7 by technologies such as exposure imagings, see also Fig. 6, wherein schematically show the schematic cross-section that contains the chock insulator matter pattern according to the utility model second embodiment.
More particularly, according to present embodiment, colored filter for the AD-SDS pattern, black matrix is formed on the back side of glass substrate 1, forms rgb pixel successively, make the chock insulator matter pattern afterwards in the front, the position of chock insulator matter is according to design alternative, because chock insulator matter directly contacts with glass substrate 1, the flatness of base increases, and helps the thick homogeneity of unit box.This technical scheme has been removed overlayer, has shortened process cycle, has eliminated the angle section difference problem of traditional fabrication method simultaneously, has improved transmitance.
Thereby, in above-mentioned second embodiment, the utility model will be not only by deceiving the back side that matrix layer is formed on glass substrate (promptly, second side), thereby solved the angle section difference problem between sub-pixel and black matrix, and, thereby can improve transmitance owing to its manufacture craft can be omitted or the attenuate overlayer; And the utility model is by directly being made in chock insulator matter on the glass substrate, and then the flatness of substrate increases, and is helpful to the homogeneity that unit box is thick,, helps to improve the thick homogeneity of unit box that is.
Further, the utility model also provides a kind of liquid crystal panel, comprises above-mentioned first embodiment and the described colored filter of second embodiment.
Further, the utility model also provides a kind of display device, and it comprises above-mentioned described liquid crystal panel.
Liquid crystal panel that the utility model provides and display device owing to adopted above-mentioned described colored filter, have higher transmitance and the better thick homogeneity of box, thereby have better display effect.
It will be apparent to those skilled in the art that and under the situation that does not break away from scope of the present utility model, to carry out various changes and distortion the utility model.It will be appreciated by persons skilled in the art that described embodiment only is used to illustrate the utility model, rather than restriction the utility model; The utility model is not limited to described embodiment, but is only limited by described claim.
Claims (10)
1. a colored filter is characterized in that, comprising:
Glass substrate;
Color resin for a plurality of, is formed on first side of described glass substrate;
Deceive matrix, be formed on second side of described glass substrate; And
The ITO rete is formed on second side of described glass substrate;
Wherein said first side is relative with described second side.
2. colored filter according to claim 1 is characterized in that, also comprises the overlayer of first side that is formed on described glass substrate, and described overlayer covers on the surface of described color resin.
3. colored filter according to claim 1 is characterized in that, also comprises the chock insulator matter of first side that is formed on described glass substrate, and described chock insulator matter is arranged between the described color resin.
4. according to claim 1,2 or 3 arbitrary described colored filters, it is characterized in that described black matrix is formed directly on the described glass substrate.
5. according to claim 1,2 or 3 arbitrary described colored filters, it is characterized in that described ITO rete covers on the surface of described black matrix.
6. according to claim 1,2 or 3 arbitrary described colored filters, it is characterized in that described ITO rete to small part directly contacts with described glass substrate.
7. colored filter according to claim 3 is characterized in that, wherein said color resin and described chock insulator matter are formed directly on the described glass substrate.
8. according to claim 1,2 or 3 arbitrary described colored filters, it is characterized in that described color resin comprises red resin, green resin and blue resins.
9. a liquid crystal panel is characterized in that, comprises the arbitrary described colored filter of claim 1-8.
10. a display device is characterized in that, comprises the described liquid crystal panel of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120089818 CN202003108U (en) | 2011-03-30 | 2011-03-30 | Color filter, liquid crystal panel and display equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120089818 CN202003108U (en) | 2011-03-30 | 2011-03-30 | Color filter, liquid crystal panel and display equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202003108U true CN202003108U (en) | 2011-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120089818 Expired - Lifetime CN202003108U (en) | 2011-03-30 | 2011-03-30 | Color filter, liquid crystal panel and display equipment |
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| CN (1) | CN202003108U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807484A (en) * | 2016-06-03 | 2016-07-27 | 京东方科技集团股份有限公司 | Color film substrate and manufacture method thereof, and display device |
| CN106200098A (en) * | 2016-08-30 | 2016-12-07 | 武汉华星光电技术有限公司 | Liquid crystal display substrate, liquid crystal display substrate cutter sweep and cutting method |
| CN106773168A (en) * | 2016-12-28 | 2017-05-31 | 深圳市华星光电技术有限公司 | The preparation method of mask and the preparation method of curved surface liquid crystal panel |
| CN106855673A (en) * | 2017-03-20 | 2017-06-16 | 惠科股份有限公司 | Active switch array substrate, manufacturing method thereof and display device applying active switch array substrate |
| CN110133928A (en) * | 2019-05-15 | 2019-08-16 | 京东方科技集团股份有限公司 | Array substrate and its manufacturing method, display panel |
-
2011
- 2011-03-30 CN CN 201120089818 patent/CN202003108U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807484A (en) * | 2016-06-03 | 2016-07-27 | 京东方科技集团股份有限公司 | Color film substrate and manufacture method thereof, and display device |
| CN106200098A (en) * | 2016-08-30 | 2016-12-07 | 武汉华星光电技术有限公司 | Liquid crystal display substrate, liquid crystal display substrate cutter sweep and cutting method |
| CN106773168A (en) * | 2016-12-28 | 2017-05-31 | 深圳市华星光电技术有限公司 | The preparation method of mask and the preparation method of curved surface liquid crystal panel |
| CN106773168B (en) * | 2016-12-28 | 2020-01-03 | 深圳市华星光电技术有限公司 | Mask manufacturing method and curved liquid crystal panel manufacturing method |
| CN106855673A (en) * | 2017-03-20 | 2017-06-16 | 惠科股份有限公司 | Active switch array substrate, manufacturing method thereof and display device applying active switch array substrate |
| WO2018171078A1 (en) * | 2017-03-20 | 2018-09-27 | 惠科股份有限公司 | Active switch array substrate and manufacturing method therefor, and display device used with same |
| CN110133928A (en) * | 2019-05-15 | 2019-08-16 | 京东方科技集团股份有限公司 | Array substrate and its manufacturing method, display panel |
| CN110133928B (en) * | 2019-05-15 | 2022-01-04 | 京东方科技集团股份有限公司 | Array substrate, manufacturing method thereof and display panel |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111005 |
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| CX01 | Expiry of patent term |