CN201984175U - Colored filter (CF) base plate, liquid crystal panel and display device - Google Patents
Colored filter (CF) base plate, liquid crystal panel and display device Download PDFInfo
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- CN201984175U CN201984175U CN 201120088683 CN201120088683U CN201984175U CN 201984175 U CN201984175 U CN 201984175U CN 201120088683 CN201120088683 CN 201120088683 CN 201120088683 U CN201120088683 U CN 201120088683U CN 201984175 U CN201984175 U CN 201984175U
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- black matrix
- graphics field
- colored filter
- conducting film
- filter substrate
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Abstract
The embodiment of the utility model relates to the technical field of LCD (liquid crystal displays), particularly to a CF base plate, a liquid crystal panel and a display device. The CF base plate comprises an original base plate, an etched conductive film adhered to a first surface of the original base plate and a black matrix adhered to a second surface of the original base plate, wherein at least a part of the etched pattern area of the conductive film is vertically mapped on a corresponding pattern area of the second surface positioned in the pattern area of the second surface where the non-black black matrix is arranged. In the CF base plate, the liquid crystal panel and the display device provided by embodiment of the utility model, for the reason that the pattern area of the conductive film is positioned in the pattern area of the black matrix, a pixel area at a grid gap of the black matrix is not influenced by the conductive film adsorbing the visible light and the interface reflection losing the visible light, and better transmittivity is guaranteed; and meanwhile, the static protective effect of the conductive film is not influenced.
Description
Technical field
The utility model relates to technical field of liquid crystal display, particularly a kind of colored filter substrate, liquid crystal panel and display device.
Background technology
In recent years, the flat panel display development is rapid, and fringing field inverted pattern and coplane field inverted pattern have become the mainstream technology of liquid crystal display.Because public electrode and pixel electrode do not need ITO (Indium-Tin Oxide, tin indium oxide) electrode all at array array substrate on the CF of these two kinds of patterns (Color Filter, the color filter film) substrate.This makes liquid crystal device be subjected to static easily in process for making and attacks.To this, the method for backside deposition one deck ITO that industry has adopted at the CF substrate prevents the destruction that static that manufacture process produces causes liquid crystal device.
Though ITO is a kind of transparent conductive film, it has certain absorption to visible light, and also can there be certain reflected light loss in the interface of ITO and glass substrate.It is big more that the refractive index of ITO and glass substrate differs, and the reflected light loss is big more.Thus, reduced the transmitance of liquid crystal device.
The utility model content
A kind of colored filter substrate, liquid crystal panel and display device that the utility model embodiment provides can be avoided static to attack, and have transmitance preferably.
A kind of colored filter that the utility model embodiment provides comprises:
Original substrate;
Attached to the conducting film after described original substrate first surface, etched;
Black matrix" attached to the second surface of described original substrate;
Wherein, the graphics field that described conducting film is etched is satisfied the corresponding graphics field that vertically is mapped to described second surface to the graphics field that small part is etched and is arranged in the graphics field of non-black matrix at second surface.
Described original substrate is a glass substrate.
Preferable, described conducting film is tin indium oxide ITO.
Preferable, the thickness of described tin indium oxide ITO is 40 nanometers.
Preferable, the graphics field that described conducting film is etched vertically is mapped to the corresponding graphics field of described second surface, is arranged in black matrix" and the non-black matrix graphics field at second surface simultaneously.
Preferable, the graphics field of described conducting film and described black matrix" are in the graphics field of second surface minute surface symmetry.
Preferable, when described black matrix" was latticed, it is corresponding with the position of described each grid of black matrix" that described conducting film is the position of latticed and each grid.
Preferable, colored filter substrate also comprises: the colored pixels piece that is arranged in described black matrix" grid.
The utility model embodiment also provides a kind of liquid crystal panel, comprising: colored filter substrate and the array base palte that is positioned at described colored filter substrate below; Wherein
Colored filter substrate comprises: original substrate; Attached to the conducting film after described original substrate first surface, etched; Black matrix" attached to the second surface of described original substrate;
Wherein, the graphics field that described conducting film is etched is satisfied the corresponding graphics field that vertically is mapped to described second surface to the graphics field that small part is etched and is arranged in the graphics field of non-black matrix at second surface.
The utility model embodiment also provides a kind of display device, comprises described liquid crystal panel.
Because graphics field to the small part that conducting film is etched in colored filter substrate, liquid crystal panel and the display device that the utility model embodiment provides is arranged in the graphics field of non-black matrix, make the less conducting film that is subjected to of pixel region of black matrix" grid gap absorb the influence of visible light and boundary reflection loss, have transmitance preferably.Do not influence simultaneously the electrostatic protective function of conducting film yet.
Description of drawings
Fig. 1 is the structural representation of colored filter substrate among the utility model embodiment;
Fig. 2 a-Fig. 2 e makes the colored filter substrate schematic flow sheet among the utility model embodiment;
Fig. 3 a-Fig. 3 e makes the colored filter substrate schematic flow sheet among another embodiment of the utility model;
Embodiment
Below in conjunction with Figure of description the utility model embodiment is described in further detail.
As shown in Figure 1, be the colored filter substrate that the utility model embodiment provides, it specifically comprises:
Wherein, the graphics field that conducting film 2 is etched is satisfied the corresponding graphics field that vertically is mapped to second surface to the graphics field that small part is etched and is arranged in the graphics field of non-black matrix at second surface.
Preferable, this original substrate 1 is a glass substrate;
Preferable, conducting film 2 is tin indium oxide ITO, its thickness can be 40 nanometers;
Preferable, the graphics field that conducting film 2 is etched vertically is mapped to the corresponding graphics field of second surface, is arranged in black matrix" 3 and the non-black matrix graphics field at second surface simultaneously;
Preferable, when black matrix" 3 was latticed, the graphics field of conducting film 2 and black matrix" 3 were in the graphics field of second surface minute surface symmetry, and for example, both are latticed, and the shape in this grid space can be square, circular or other arbitrary shapes.
Preferable, when black matrix" 3 was latticed, it is corresponding with the position of described each grid of black matrix" that described conducting film 2 is the position of latticed and each grid.Just, conducting film 2 graphics field that vertically is mapped to second surface is arranged in the graphics field of black matrix" 3 at second surface.
Preferable, this colored filter substrate also comprises: the colored pixels piece 4 (Fig. 1 is not shown, can referring to Fig. 2 e or Fig. 3 e) that is arranged in black matrix" 3 grids.
Below in conjunction with accompanying drawing 2a-Fig. 2 e the colored filter substrate that the utility model embodiment provides is described in detail, shown in Fig. 2 a, first surface (one side that makes progress) deposition one deck conducting film 2 at original substrate 1, because the characteristics such as absorption of 2 pairs of visible lights of this conducting film, influenced the transmitance of liquid crystal display device, therefore, carry out following operation to address the above problem, shown in Fig. 2 b, original substrate 1 second surface (downward one side) upset is face upwards, and forms black matrix 3 at this face, black matrix 3 is used to prevent the liquid crystal display device light leak, the one side of this original substrate 1 has conducting film 2 like this, and another side has black matrix 3.Shown in Fig. 2 c, the one side that will have conducting film 2 is upwards placed, and smears photoresist on conducting film 2 surfaces, and utilizes black matrix to expose as the mask photoresist on this colored filter substrate from bottom to top.Then, routinely technology develop, the lift-off processing of etching and photoresist, form the figure of the conducting film 2 after the etching.Shown in Fig. 2 d, the residue graphics field of the conducting film 2 after the photoetching is consistent substantially with black matrix 3 graphics fields.By exposure is controlled, the residue graphics field that can realize the conducting film 2 after the photoetching greater than, be less than or equal to black matrix 3 graphics fields, preferable situation is, when the residue figure regions perpendicular of conducting film 2 was mapped to black matrix 3 place faces, it is inner or consistent with black matrix 3 graphics fields just that the residue graphics field of conducting film 2 is positioned at black matrix 3 graphics fields.Can reduce the influence of conducting film to the transmittance of light this moment to greatest extent, increases the transmittance of light to greatest extent.
Preferable, shown in Fig. 2 e, above-mentioned colored filter substrate also comprises: the colored pixels piece 4 that is arranged in black matrix" 3 grids.
Below in conjunction with accompanying drawing 3a-Fig. 3 e the colored filter substrate that the utility model embodiment provides is described in detail, shown in Fig. 3 a, first surface (one side that makes progress) deposition one deck conducting film 2 at original substrate 1, shown in Fig. 3 b, original substrate 1 second surface (downward one side) upset is face upwards, and forms black matrix 3 at this face, black matrix 3 is used to prevent the liquid crystal display device light leak, the one side of this original substrate 1 has conducting film 2 like this, and another side has black matrix 3.Shown in Fig. 3 c, the one side that will have conducting film 2 is upwards placed, smear photoresist on conducting film 2 surfaces, and will be placed on conducting film 2 tops, and top-down photoresist on this colored filter substrate is exposed with the corresponding mask plate 5 of the figure of black matrix 3.Then, routinely technology develop, the lift-off processing of etching and photoresist, form the figure of the conducting film 2 after the etching.Shown in Fig. 3 d, the residue graphics field of the conducting film 2 after the photoetching is consistent substantially with black matrix 3 graphics fields.By exposure is controlled, the residue graphics field that can realize the conducting film 2 after the photoetching greater than, be less than or equal to black matrix 3 graphics fields, preferable situation is, when the residue figure regions perpendicular of conducting film 2 was mapped to black matrix 3 place faces, it is inner or consistent with black matrix 3 graphics fields just that the residue graphics field of conducting film 2 is positioned at black matrix 3 graphics fields.Can reduce the influence of conducting film to the transmittance of light this moment to greatest extent, increases the transmittance of light to greatest extent.Certainly, the mask plate 5 of use can be not corresponding fully with the figure of black matrix 3 yet, may cause in such cases and can not etch away conducting film fully in non-black matrix area, and therefore the increase effect to transmittance is affected.But it still can increase the transmitance of light to a certain extent.
Preferable, shown in Fig. 3 e, above-mentioned colored filter substrate also comprises: the colored pixels piece 4 that is arranged in black matrix" 3 grids.
Pass through foregoing description, as can be seen, the colored filter substrate that the utility model embodiment provides, the graphics field of its conducting film is arranged in the graphics field of black matrix", make the pixel region of black matrix" grid gap not be subjected to conducting film to absorb the influence of visible light, have transmitance preferably.Do not influence simultaneously the electrostatic protective function of conducting film yet.
Based on same conception, the utility model also provides a kind of liquid crystal panel, comprising: colored filter substrate and the array base palte that is positioned at described colored filter substrate below; Wherein colored filter substrate comprises: original substrate; Attached to the conducting film after the first surface of described original substrate, etched; Black matrix" attached to the second surface of described original substrate.
Wherein, the graphics field that described conducting film is etched is satisfied the corresponding graphics field that vertically is mapped to described second surface to the graphics field that small part is etched and is arranged in the graphics field of non-black matrix at second surface.That is to say that the liquid crystal panel that the utility model provides has comprised above-mentioned arbitrary described colored filter substrate.
In addition, the utility model also provides a kind of display device, and this display device comprises above-mentioned described liquid crystal panel.
The colored filter substrate that the utility model embodiment provides, liquid crystal panel and display device, because the graphics field of conducting film is arranged in the graphics field of black matrix", make the pixel region of black matrix" grid gap not absorbed by conducting film and the influence of boundary reflection loss visible light, have transmitance preferably.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (10)
1. a colored filter substrate is characterized in that, comprises
Original substrate;
Attached to the conducting film after described original substrate first surface, etched;
Black matrix" attached to the second surface of described original substrate;
Wherein, the graphics field that described conducting film is etched is satisfied the corresponding graphics field that vertically is mapped to described second surface to the graphics field that small part is etched and is arranged in the graphics field of non-black matrix at second surface.
2. colored filter substrate as claimed in claim 1 is characterized in that, described original substrate is a glass substrate.
3. colored filter substrate as claimed in claim 1 is characterized in that, described conducting film is tin indium oxide ITO.
4. colored filter substrate as claimed in claim 3 is characterized in that, the thickness of described tin indium oxide ITO is 40 nanometers.
5. colored filter substrate as claimed in claim 1, it is characterized in that, the graphics field that described conducting film is etched vertically is mapped to the corresponding graphics field of described second surface, is arranged in black matrix" and the non-black matrix graphics field at second surface simultaneously.
6. colored filter substrate as claimed in claim 1 is characterized in that, the graphics field of described conducting film and described black matrix" are in the graphics field of second surface minute surface symmetry.
7. colored filter substrate as claimed in claim 1 is characterized in that, when described black matrix" was latticed, it is corresponding with the position of described each grid of black matrix" that described conducting film is the position of latticed and each grid.
8. as arbitrary described colored filter substrate among the claim 5-7, it is characterized in that, also comprise: the colored pixels piece that is arranged in described black matrix" grid.
9. a liquid crystal panel is characterized in that, comprising: colored filter substrate and the array base palte that is positioned at described colored filter substrate below; Wherein
Colored filter substrate comprises: original substrate; Attached to the conducting film after described original substrate first surface, etched; Black matrix" attached to the second surface of described original substrate;
Wherein, the graphics field that described conducting film is etched is satisfied the corresponding graphics field that vertically is mapped to described second surface to the graphics field that small part is etched and is arranged in the graphics field of non-black matrix at second surface.
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 201120088683 CN201984175U (en) | 2011-03-30 | 2011-03-30 | Colored filter (CF) base plate, liquid crystal panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120088683 CN201984175U (en) | 2011-03-30 | 2011-03-30 | Colored filter (CF) base plate, liquid crystal panel and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201984175U true CN201984175U (en) | 2011-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120088683 Expired - Lifetime CN201984175U (en) | 2011-03-30 | 2011-03-30 | Colored filter (CF) base plate, liquid crystal panel and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201984175U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070728A (en) * | 2015-08-21 | 2015-11-18 | 京东方科技集团股份有限公司 | Display substrate, manufacturing method thereof and transparent display device |
| CN114815374A (en) * | 2022-05-13 | 2022-07-29 | 惠科股份有限公司 | Color film substrate and display panel |
-
2011
- 2011-03-30 CN CN 201120088683 patent/CN201984175U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070728A (en) * | 2015-08-21 | 2015-11-18 | 京东方科技集团股份有限公司 | Display substrate, manufacturing method thereof and transparent display device |
| CN105070728B (en) * | 2015-08-21 | 2018-07-10 | 京东方科技集团股份有限公司 | A kind of display base plate and preparation method thereof, transparent display |
| CN114815374A (en) * | 2022-05-13 | 2022-07-29 | 惠科股份有限公司 | Color film substrate and display panel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110921 |