CN102629025A - Color film substrate, manufacture method thereof and liquid crystal display panel - Google Patents
Color film substrate, manufacture method thereof and liquid crystal display panel Download PDFInfo
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- CN102629025A CN102629025A CN2011101011758A CN201110101175A CN102629025A CN 102629025 A CN102629025 A CN 102629025A CN 2011101011758 A CN2011101011758 A CN 2011101011758A CN 201110101175 A CN201110101175 A CN 201110101175A CN 102629025 A CN102629025 A CN 102629025A
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Abstract
The invention discloses a color film substrate, a manufacture method thereof and a liquid crystal display panel, which relate to the field of liquid crystal displays and aim at enabling the surface of a liquid crystal screen to have display uniformity. The color film substrate comprises a glass substrate. Black matrixes are formed on the glass substrate, color pixel units are formed among the black matrixes, the color pixel units are stacked on the black matrixes to form protrusions at the connecting positions of the color pixel units and the block matrixes, orientation films are formed on the black matrixes and the color pixel units, the thickness of the orientation films is larger than that of the protrusions, the thickness of the orientation films arranged above the protrusions is smaller than that of the orientation films above the rest portions of the black matrixes and the color pixel units, and the height between the surfaces of the orientation films and the glass substrate tends to be the same. The invention further provides the manufacture method for the color film substrate and the liquid crystal display panel. The color film substrate, the manufacture method of the color film substrate and the liquid crystal display panel can be used for manufacturing the liquid crystal displays.
Description
Technical field
The present invention relates to field of liquid crystal, relate in particular to a kind of color membrane substrates and manufacturing approach thereof and display panels.
Background technology
In recent years, Thin Film Transistor-LCD (TFT LCD, Thin film transistor LCD) becomes the main flow of field of liquid crystal display because of having advantages such as volume is little, radiation is low.TFTLCD comprises array base palte and color membrane substrates, is injected with liquid crystal between array base palte and the color membrane substrates.The liquid crystal aligning technology can make the liquid crystal molecule proper alignment at substrate surface, thereby makes LCD have good demonstration homogeneity, aberration, contrast etc., is the necessary condition of LCD operate as normal.
At present, the friction orientation technology is a most popular liquid crystal aligning technology in the color membrane substrates manufacture process.The general technology of friction orientation technology comprises cleaning, films, preliminary drying, curing, friction.After being coated with the oriented material rete on the substrate; Carry out steps such as preliminary drying, curing; Utilize materials such as nylon, fiber or velveteen by the certain orientation liquid crystal orientation film that rubs at last, the film surface situation is changed forming the orientation rete, thereby make liquid crystal molecule proper alignment on two sheet glass substrates.
Generally speaking, on color membrane substrates, can form alignment films through coating orientation liquid.Specifically; As shown in Figure 1; Color membrane substrates comprise glass substrate 1 ', glass substrate 1 ' on be formed with black matrix 2 ', black matrix 2 ' between be formed with color pixel cells; Each color pixel cells all comprise red sub-pixel unit 3 ', green sub-pix unit 4 ' and blue sub-pix unit 5 ' (representing with the different shading line among the figure), these three sub-pix unit and black matrix 2 ' between to have a pixel fragment poor.With red sub-pixel unit 3 ' be example, red sub-pixel unit 3 ' attached to two black matrixes 2 ' between, and black matrix 2 ' top pile up and formed projection, it is poor that the height of said projection is said pixel fragment.Like this; Coating orientation liquid with form alignment films 6 ' in, existing alignment films 6 ' thickness less, as greatly about about 900 dusts (1 dust=0.1 nanometer); Because the existence of pixel fragment poor (greatly about about 0.5 micron); Make alignment films 6 ' surface and glass substrate 1 ' between height big and less in the position of said projection in all the other positions, thereby make alignment films 6 ' the surface obviously uneven, homogeneity is bad; And causing the display panels quality to reduce, phenomenons such as sparklet, light leak appear easily.
Summary of the invention
Embodiments of the invention provide a kind of color membrane substrates and manufacturing approach and display panels, so that the liquid crystal display surface has the demonstration homogeneity, improve the liquid crystal panel display quality.
For achieving the above object, embodiments of the invention adopt following technical scheme:
The embodiment of the invention provides a kind of color membrane substrates; Comprise glass substrate; Be formed with black matrix on the said glass substrate; Be formed with color pixel cells between the said black matrix, in the junction of said color pixel cells and said black matrix, said color pixel cells is piled up on said black matrix and is formed with projection; Be formed with alignment films on said black matrix and the color pixel cells; The thickness of said alignment films is greater than the thickness of said projection, and the thickness of said alignment films that is positioned at said projection top reaches unanimity the surface of said alignment films and the height between the said glass substrate less than the thickness of the said alignment films above all the other positions that are positioned at said black matrix and color pixel cells.
The embodiment of the invention provides a kind of manufacturing approach of color membrane substrates in addition, comprising:
One glass substrate is provided;
On glass substrate, form black matrix;
Between black matrix, form color pixel cells, in the junction of said color pixel cells and said black matrix, said color pixel cells is piled up on said black matrix and is formed with projection;
On black matrix and color pixel cells, form alignment films; The thickness of said alignment films is greater than the thickness of said projection; And be positioned at the thickness of the thickness of the said alignment films above the said projection, the surface of said alignment films and the height between the said glass substrate are reached unanimity less than the said alignment films of all the other tops, positions that are positioned at said black matrix and color pixel cells.
The embodiment of the invention also provides a kind of display panels in addition; Comprise color membrane substrates and the array base palte that box is provided with said color membrane substrates; Between said color membrane substrates and array base palte, instil liquid crystal is arranged; Wherein said color membrane substrates comprises glass substrate, is formed with black matrix on the said glass substrate, is formed with color pixel cells between the said black matrix; Junction at said color pixel cells and said black matrix; Said color pixel cells is piled up on said black matrix and is formed with projection, is formed with alignment films on said black matrix and the color pixel cells, and the thickness of said alignment films is greater than the thickness of said projection; And be positioned at the thickness of the thickness of the said alignment films above the said projection, the surface of said alignment films and the height between the said glass substrate are reached unanimity less than the said alignment films of all the other tops, positions that are positioned at said black matrix and color pixel cells.
The invention provides a kind of color membrane substrates and manufacturing approach thereof and display panels; Be formed with black matrix on the said glass substrate; Be formed with color pixel cells between the said black matrix, each color pixel cells all comprises red sub-pixel unit, green sub-pix unit and blue sub-pix unit, in the junction of color pixel cells and black matrix; Each sub-pix unit is piled up on the top of black matrix, so on black matrix, form projection.Coating orientation liquid on black matrix and color pixel cells; Form alignment films; Because the thickness of said alignment films is greater than said projection; So ratio is easier to control in coating orientation liquid; Therefore easily make the thickness of the said alignment films that is positioned at said projection top less than the thickness of the said alignment films above all the other positions that are positioned at said black matrix and color pixel cells, the surface of said alignment films and the height between the said glass substrate are reached unanimity, thereby be convenient to form more smooth alignment films.Like this, can obtain orientation characteristic preferably, liquid crystal molecule is evenly distributed, thereby make the liquid crystal display surface have the demonstration homogeneity, phenomenons such as sparklet, light leak can not occur, improve the display panels quality in more smooth alignment layer surface friction.
Description of drawings
Fig. 1 is the structural representation of prior art color membrane substrates;
Fig. 2 is the basic planar structure synoptic diagram of the color film of the embodiment of the invention;
Fig. 3 is the schematic cross-section of color membrane substrates shown in Figure 2 along the A-A line;
Fig. 4 is the process flow diagram of embodiment of the invention color membrane substrates manufacturing approach;
Fig. 5 is the detail flowchart of color membrane substrates manufacturing approach shown in Figure 4;
Fig. 6 is the another kind of detail flowchart of color membrane substrates manufacturing approach shown in Figure 4;
Fig. 7 is the manufacturing approach synoptic diagram of color membrane substrates under the embodiment of the invention AD-SDS display mode;
Fig. 8 is the manufacturing approach synoptic diagram of color membrane substrates under the embodiment of the invention TN display mode.
Embodiment
Below in conjunction with accompanying drawing a kind of color membrane substrates of the embodiment of the invention and manufacturing approach thereof and display panels are described in detail.
As shown in Figures 2 and 3, be a specific embodiment of the present invention.In the present embodiment; Said color membrane substrates comprises glass substrate 1, is formed with black matrix 2 on the glass substrate 1, is formed with color pixel cells between the black matrix 2; Junction at said color pixel cells and black matrix 2; Said color pixel cells is piled up on black matrix 2 and is formed with projection, is formed with alignment films 6 on black matrix 2 and the color pixel cells, and the thickness of alignment films 6 is greater than the thickness of said projection; And be positioned at the thickness of the thickness of the alignment films 6 above the said projection, the surface of alignment films 6 and the height between the glass substrate 1 are reached unanimity less than the alignment films 6 of all the other tops, positions that are positioned at black matrix 2 and color pixel cells.
The invention provides a kind of color membrane substrates; Be formed with black matrix 2 on the glass substrate 1; Be formed with color pixel cells between the black matrix 2, each color pixel cells all comprises red sub-pixel unit 3, green sub-pix unit 4 and blue sub-pix unit 5, in the junction of color pixel cells and black matrix 2; Each sub-pix unit is piled up on the top of black matrix 2, so on black matrix 2, form projection.Coating orientation liquid on black matrix 2 and color pixel cells; Form alignment films 6; Because the thickness of alignment films 6 is greater than said projection,, therefore make the thickness of the alignment films 6 that is positioned at said projection top easily less than the thickness of the alignment films 6 of all the other tops, positions that are positioned at black matrix 2 and color pixel cells so ratio is easier to control in coating orientation liquid; The surface of alignment films 6 and the height between the glass substrate 1 are reached unanimity, thereby be convenient to form more smooth alignment films 6.Like this, can obtain orientation characteristic preferably, liquid crystal molecule is evenly distributed, thereby make the liquid crystal display surface have the demonstration homogeneity, phenomenons such as sparklet, light leak can not occur, improve the display panels quality in 6 mantle frictions of smooth alignment films.
Wherein, the material of alignment films 6 can be polyimide resin or acryl resin etc.Polyimide PI (English name Polyimide) is a kind of common oriented material, has advantages such as high temperature resistant, anticorrosive, easy film forming.The embodiment of the invention is preferably used the photoresist that has the protection simultaneously concurrently and be orientated two functions, for example acryl resin.Said defencive function is meant that resin self has flatness, can on black matrix 2 and color pixel cells, form more smooth film.
At present; Actual controllable pixel fragment is poor, and the thickness of the projection on the just black matrix 2 is below 0.5 micron, therefore for the thickness that makes alignment films 6 thickness greater than said projection; And be easy to control; So that be positioned at the thickness of the thickness of the alignment films 6 above the said projection less than the alignment films 6 of all the other tops, positions that are positioned at black matrix 2 and color pixel cells, the thickness that the present invention can set alignment films 6 is the 1-3 micron, and the thickness of preferably setting alignment films 6 is 2 microns.
As shown in Figure 4, be the specific embodiment of the manufacturing approach of a kind of color membrane substrates of the present invention.In the present embodiment, the manufacturing approach of said color membrane substrates comprises the steps:
S10 provides a glass substrate;
S20 forms black matrix on glass substrate;
S30 forms color pixel cells between black matrix, in the junction of said color pixel cells and said black matrix, said color pixel cells is piled up on said black matrix and is formed with projection;
S40; On black matrix and color pixel cells, form alignment films; The thickness of said alignment films is greater than the thickness of said projection; And be positioned at the thickness of the thickness of the said alignment films above the said projection, the surface of said alignment films and the height between the said glass substrate are reached unanimity less than the said alignment films of all the other tops, positions that are positioned at said black matrix and color pixel cells.
The invention provides a kind of manufacturing approach of color membrane substrates; Be formed with black matrix on the said glass substrate; Be formed with color pixel cells between the said black matrix, each color pixel cells all comprises red sub-pixel unit, green sub-pix unit and blue sub-pix unit, in the junction of color pixel cells and black matrix; Each sub-pix unit is piled up on the top of black matrix, so on black matrix, form projection.Coating orientation liquid on black matrix and color pixel cells; Form alignment films; Because the thickness of said alignment films is greater than said projection; So ratio is easier to control in coating orientation liquid; Therefore easily make the thickness of the said alignment films that is positioned at said projection top less than the thickness of the said alignment films above all the other positions that are positioned at said black matrix and color pixel cells, the surface of said alignment films and the height between the said glass substrate are reached unanimity, thereby be convenient to form more smooth alignment films.Like this, can obtain orientation characteristic preferably, liquid crystal molecule is evenly distributed, thereby make the liquid crystal display surface have the demonstration homogeneity, phenomenons such as sparklet, light leak can not occur, improve the display panels quality in smooth alignment layer surface friction.
Wherein, said step S40 forms alignment films on black matrix and color pixel cells, specifically comprise following mode:
First kind of mode: on black matrix and color pixel cells, directly form alignment films;
The second way: on black matrix and color pixel cells, form public electrode, on public electrode, form alignment films.
Below will introduce the step of the said first kind of mode and the said second way respectively.
As shown in Figure 5, said first kind of mode directly forms alignment films on black matrix and color pixel cells, specifically comprise:
S41 at glass baseplate surface deposition tin indium oxide metallic film, forms common electrode layer;
S42 forms black matrix and color pixel cells at the glass baseplate surface that is formed with common electrode layer;
S43 being formed with the glass baseplate surface coating orientation liquid of black matrix and color pixel cells, carries out preliminary drying and forms the oriented material film with the curing back, and the said oriented material film that rubs forms alignment films.
Senior ultra dimension field switch technology (Advanced-Super Dimensional Switching; Be called for short: the parallel electric field and pixel electrode layer and the longitudinal electric field formation hyperspace compound field that AD-SDS) are produced producing between electrode layer through same plane interior pixel electrode edge; 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 ultra 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.
Under aforesaid way and the AD-SDS display mode on black matrix and color pixel cells the mode of formation alignment films identical.
As shown in Figure 6, the said second way forms public electrode on black matrix and color pixel cells, on public electrode, form alignment films, specifically comprises:
S44 forms black matrix and color pixel cells at glass baseplate surface;
S45 being formed with the glass baseplate surface deposition tin indium oxide metallic film of black matrix and color pixel cells, forms common electrode layer;
S46 being formed with the glass baseplate surface coating orientation liquid of common electrode layer, forms the oriented material film after carrying out preliminary drying and solidifying, and the said oriented material film that rubs forms alignment films.
Under this mode and TN (Twisted Nematic, the twisted-nematic) display mode on black matrix and color pixel cells the mode of formation alignment films identical.
Above-mentioned on black matrix and color pixel cells in the mode of formation alignment films, common electrode layer can play the effect of electrostatic screening.
With the instantiation under AD-SDS display mode and the TN display mode color membrane substrates manufacturing approach in the embodiment of the invention is described below.
Instance one
As shown in Figure 7, under the AD-SDS display mode, making the structural representation of color membrane substrates, the step of said manufacturing color membrane substrates comprises:
S51 provides a glass substrate 1;
S52 adopts the lower surface deposition indium oxide layer tin metal film of the method for magnetron sputtering at glass substrate, forms tin indium oxide metal common electrode layer 7;
S53; The black matrix resin material film of upper surface coating one deck at the glass substrate 1 that is formed with tin indium oxide metal common electrode layer 7 uses mask board to explosure and development treatment, obtains complete exposure area and unexposed area; The corresponding black matrix figure of said unexposed area; Said complete exposure area correspondence need not deceived other zones of matrix figure, to said complete exposure area etching, on said glass substrate, forms black matrix layer 2;
S54; Upper surface coating one deck red sub-pixel resin material film at the glass substrate 1 that is formed with black matrix graph layer 2 uses mask board to explosure and development treatment, obtains complete exposure area and unexposed area; The corresponding red sub-pixel figure of said unexposed area; Said complete exposure area correspondence does not need other zones of red sub-pixel figure, to said complete exposure area etching, on said glass substrate, forms red sub-pixel layer 3;
S55; The green sub-pix resin material of upper surface coating one deck film at the glass substrate that is formed with red sub-pixel layer 31 uses mask board to explosure and development treatment, obtains complete exposure area and unexposed area; The corresponding green sub-pix figure of said unexposed area; Said complete exposure area correspondence does not need other zones of green sub-pix figure, to said complete exposure area etching, on said glass substrate, forms green sub-pix layer 4;
S56; The blue sub-pix resin material of upper surface coating one deck film at the glass substrate that is formed with green sub-pix layer 41 uses mask board to explosure and development treatment, obtains complete exposure area and unexposed area; The corresponding blue sub-pix figure of said unexposed area; Said complete exposure area correspondence does not need other zones of blue sub-pix figure, to said complete exposure area etching, on said glass substrate, forms blue sub-pix layer 5;
S57; Upper surface coating one deck chock insulator matter resin material layer at the glass substrate that is formed with blue sub-pix layer 51 uses mask board to explosure and development treatment, obtains complete exposure area and unexposed area; The corresponding chock insulator matter figure of said unexposed area; Said complete exposure area correspondence does not need other zones of chock insulator matter figure, to said complete exposure area etching, on said glass substrate, forms chock insulator matter layer 8;
S58; Adopt volume to volume processing procedure or spin-coating method coating one deck orientation liquid on the glass substrate that is formed with chock insulator matter layer 81 surface, form the oriented material rete, carry out forming the oriented material film after the steps such as preliminary drying and curing; The said oriented material thin layer that rubs forms alignment films 6.
The manufacturing approach of color membrane substrates under this instance explanation AD-SDS display mode.In this example, the alignment films of color membrane substrates is made up of the PI film, and wherein the PI film is the alignment films that is formed by the polyimide resin material.
Instance two
This instance is similarly the manufacturing approach of color membrane substrates under the AD-SDS display mode, and the manufacturing approach of said color membrane substrates is identical with method in the instance one, and concrete steps are as shown in Figure 7 equally.
This instance is that with instance one different place the alignment films of color membrane substrates is made up of the photosensitive resin that has protection and orientation function simultaneously in this instance, for example acryl resin.Because said alignment films has protection and orientation function simultaneously, so said alignment films self just can form more smooth film, when coated with orientation liquid, orientation liquid can not produce sunburner or thin excessively, thereby can make liquid crystal aligning consistent.
Instance three
As shown in Figure 8, under the TN display mode, making the structural representation of color membrane substrates, the step of said manufacturing color membrane substrates comprises:
S61 provides a glass substrate 1;
S62; At the black matrix resin material film of glass substrate 1 surface coated; Use mask board to explosure and development treatment, obtain complete exposure area and unexposed area, the corresponding black matrix figure of said unexposed area; Said complete exposure area correspondence need not deceived other zones of matrix figure, and said complete exposure area etching is formed black matrix layer 2;
S63; At the glass substrate 1 surface coated red sub-pixel resin material film that is formed with black matrix layer 2; Use mask board to explosure and development treatment, obtain complete exposure area and unexposed area, the corresponding red sub-pixel figure of said unexposed area; Said complete exposure area correspondence does not need other zones of red sub-pixel figure, and said complete exposure area etching is formed red sub-pixel layer 3;
S64; At the green sub-pix resin material of the glass substrate that is formed with red sub-pixel layer 31 surface coated film; Use mask board to explosure and development treatment, obtain complete exposure area and unexposed area, the corresponding green sub-pix figure of said unexposed area; Said complete exposure area correspondence does not need other zones of green sub-pix figure, and said complete exposure area etching is formed green sub-pix layer 4;
S65; At the blue sub-pix resin material of the glass substrate that is formed with green sub-pix layer 41 surface coated film; Use mask board to explosure and development treatment, obtain complete exposure area and unexposed area, the corresponding blue sub-pix figure of said unexposed area; Said complete exposure area correspondence does not need other zones of blue sub-pix figure, and said complete exposure area etching is formed blue sub-pix layer 5;
S66, the method for employing magnetron sputtering at the glass substrate that is formed with red sub-pixel layer 3, green sub-pix layer 4 and blue sub-pix layer 51 surface deposition tin indium oxide metallic film, forms common electrode layer 7;
S67; At the glass substrate that is formed with common electrode layer 71 surface coated chock insulator matter resin material film, use mask board to explosure and development treatment, obtain complete exposure area and unexposed area; The corresponding chock insulator matter figure of said unexposed area; Said complete exposure area correspondence does not need other zones of chock insulator matter figure, to said complete exposure area etching, forms chock insulator matter layer 8;
S68 adopts volume to volume processing procedure or spin-coating method coating orientation liquid on the glass substrate that is formed with chock insulator matter layer 81 surface, carry out preliminary drying and solidify the back forming the oriented material film, and the said oriented material film that rubs forms alignment films 6.
The manufacturing approach of color membrane substrates under this instance explanation TN display mode.In this example, the alignment films of color membrane substrates is made up of the PI film, and wherein the PI film is the alignment films that is formed by the polyimide resin material.
Instance four
This instance is similarly the manufacturing approach of color membrane substrates under the TN display mode, and the manufacturing approach of said color membrane substrates is identical with method in the instance three, and concrete steps are as shown in Figure 8 equally.
This instance is that with instance three different places the alignment films of color membrane substrates is made up of the photosensitive resin that has protection and orientation function simultaneously in this instance, for example acryl resin.Because said alignment films has protection and orientation function simultaneously, so said alignment films self just can form more smooth film, when coating orientation liquid, orientation liquid can not produce sunburner or thin excessively, thereby can make liquid crystal aligning consistent.Common electrode layer 7 mainly realizes electrostatic screening at this.
At present; Actual controllable pixel fragment is poor, and the thickness of the projection on the just black matrix 2 is below 0.5 micron, therefore for the thickness that the makes alignment films thickness greater than said projection; And be easy to control; So that be positioned at the thickness of the thickness of the alignment films 6 above the said projection less than the alignment films 6 of all the other tops, positions that are positioned at black matrix 2 and color pixel cells, the thickness that can set alignment films 6 in above four instances of the present invention is the 1-3 micron, and the thickness of preferably setting alignment films 6 is 2 microns.
The embodiment of the invention also provides a kind of display panels; Said display panels comprises color membrane substrates and the array base palte that box is provided with said color membrane substrates; Between said color membrane substrates and array base palte, instiling has liquid crystal, and wherein referring to Fig. 2 and shown in Figure 3, said color membrane substrates comprises glass substrate 1; Be formed with black matrix 2 on the glass substrate 1; Be formed with color pixel cells between the black matrix 2, in the junction of said color pixel cells and black matrix 2, said color pixel cells is piled up on black matrix 2 and is formed with projection; Be formed with alignment films 6 on black matrix 2 and the color pixel cells; The thickness of alignment films 6 is greater than the thickness of said projection, and the thickness of alignment films 6 that is positioned at said projection top reaches unanimity the surface of alignment films 6 and the height between the glass substrate 1 less than the thickness of the alignment films 6 of all the other tops, positions that are positioned at black matrix 2 and color pixel cells.
The invention provides a kind of display panels; Be formed with black matrix 2 on the glass substrate 1; Be formed with color pixel cells between the black matrix 2, each color pixel cells all comprises red sub-pixel unit 3, green sub-pix unit 4 and blue sub-pix unit 5, in the junction of color pixel cells and black matrix 2; Each sub-pix unit is piled up on the top of black matrix 2, so on black matrix 2, form projection.Coating orientation liquid on black matrix 2 and color pixel cells; Form alignment films 6; Because the thickness of alignment films 6 is greater than said projection,, therefore make the thickness of the alignment films 6 that is positioned at said projection top easily less than the thickness of the alignment films 6 of all the other tops, positions that are positioned at black matrix 2 and color pixel cells so ratio is easier to control in coating orientation liquid; The surface of alignment films 6 and the height between the said glass substrate are reached unanimity, thereby be convenient to form more smooth alignment films 6.Like this, can obtain orientation characteristic preferably, liquid crystal molecule is evenly distributed, thereby make the liquid crystal display surface have the demonstration homogeneity, phenomenons such as sparklet, light leak can not occur, improve the display panels quality in 6 mantle frictions of more smooth alignment films.
Wherein, the material of alignment films 6 can be polyimide resin or acryl resin etc.Polyimide PI is a kind of common oriented material, has advantages such as high temperature resistant, anticorrosive, easy film forming.The embodiment of the invention is preferably used the photoresist that has the protection simultaneously concurrently and be orientated two functions, for example acryl resin.Said defencive function is meant that resin self has flatness, can on black matrix 2 and color pixel cells, form more smooth film.
At present; Actual controllable pixel fragment is poor, and the thickness of the projection on the just black matrix 2 is below 0.5 micron, therefore for the thickness that the makes alignment films thickness greater than said projection; And be easy to control; So that be positioned at the thickness of the thickness of the alignment films 6 above the said projection less than the alignment films 6 of all the other tops, positions that are positioned at black matrix 2 and color pixel cells, the thickness that the present invention can set alignment films 6 is the 1-3 micron, and the thickness of preferably setting alignment films 6 is 2 microns.
The above; Be merely embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; Can expect easily changing or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of said claim.
Claims (12)
1. color membrane substrates; Comprise glass substrate; Be formed with black matrix on the said glass substrate, be formed with color pixel cells between the said black matrix, in the junction of said color pixel cells and said black matrix; Said color pixel cells is piled up on said black matrix and is formed with projection; It is characterized in that be formed with alignment films on said black matrix and the color pixel cells, the thickness of said alignment films is greater than the thickness of said projection; And be positioned at the thickness of the thickness of the said alignment films above the said projection, the surface of said alignment films and the height between the said glass substrate are reached unanimity less than the said alignment films of all the other tops, positions that are positioned at said black matrix and color pixel cells.
2. color membrane substrates according to claim 1 is characterized in that said aligning film material comprises polyimide resin or acryl resin.
3. color membrane substrates according to claim 1 is characterized in that, the thickness of said alignment films is the 1-3 micron.
4. the manufacturing approach of a color membrane substrates is characterized in that, comprising:
One glass substrate is provided;
On glass substrate, form black matrix;
Between black matrix, form color pixel cells, in the junction of said color pixel cells and said black matrix, said color pixel cells is piled up on said black matrix and is formed with projection;
On black matrix and color pixel cells, form alignment films; The thickness of said alignment films is greater than the thickness of said projection; And be positioned at the thickness of the thickness of the said alignment films above the said projection, the surface of said alignment films and the height between the said glass substrate are reached unanimity less than the said alignment films of all the other tops, positions that are positioned at said black matrix and color pixel cells.
5. the manufacturing approach of color membrane substrates according to claim 4 is characterized in that, saidly on black matrix and color pixel cells, forms alignment films, is specially:
On black matrix and color pixel cells, directly form alignment films; Or
On black matrix and color pixel cells, form public electrode, on public electrode, form alignment films.
6. the manufacturing approach of color membrane substrates according to claim 5 is characterized in that, on black matrix and color pixel cells, directly forms alignment films and specifically comprises:
At glass baseplate surface deposition tin indium oxide metallic film, form common electrode layer;
Form black matrix and color pixel cells at the glass baseplate surface that is formed with common electrode layer;
Being formed with the glass baseplate surface coating orientation liquid of black matrix and color pixel cells, carry out preliminary drying and form the oriented material film with the curing back, the said oriented material film that rubs forms alignment films.
7. the manufacturing approach of color membrane substrates according to claim 5 is characterized in that, on black matrix and color pixel cells, forms public electrode, on public electrode, forms alignment films and specifically comprises:
Form black matrix and color pixel cells at glass baseplate surface;
Being formed with the glass baseplate surface deposition tin indium oxide metallic film of black matrix and color pixel cells, form common electrode layer;
Being formed with the glass baseplate surface coating orientation liquid of common electrode layer, form the oriented material film after carrying out preliminary drying and solidifying, the said oriented material film that rubs forms alignment films.
8. the manufacturing approach of color membrane substrates according to claim 4 is characterized in that, said aligning film material comprises polyimide resin or acryl resin.
9. the manufacturing approach of color membrane substrates according to claim 4 is characterized in that, the thickness of said alignment films is the 1-3 micron.
10. display panels; Comprise color membrane substrates and the array base palte that box is provided with said color membrane substrates; Between said color membrane substrates and array base palte, instiling has liquid crystal, and wherein said color membrane substrates comprises glass substrate, is formed with black matrix on the said glass substrate; Be formed with color pixel cells between the said black matrix; In the junction of said color pixel cells and said black matrix, said color pixel cells is piled up on said black matrix and is formed with projection, it is characterized in that; Be formed with alignment films on said black matrix and the color pixel cells; The thickness of said alignment films is greater than the thickness of said projection, and the thickness of said alignment films that is positioned at said projection top reaches unanimity the surface of said alignment films and the height between the said glass substrate less than the thickness of the said alignment films above all the other positions that are positioned at said black matrix and color pixel cells.
11. display panels according to claim 10 is characterized in that, said aligning film material comprises polyimide resin or acryl resin.
12. display panels according to claim 10 is characterized in that, the thickness of said alignment films is the 1-3 micron.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103059298A (en) * | 2013-01-07 | 2013-04-24 | 北京京东方光电科技有限公司 | Polyamic acid and polyimide, and preparation methods and applications thereof |
| CN103424942A (en) * | 2013-08-30 | 2013-12-04 | 合肥京东方光电科技有限公司 | Color film base plate as well as preparation method and display device of color film base plate |
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| CN103059298A (en) * | 2013-01-07 | 2013-04-24 | 北京京东方光电科技有限公司 | Polyamic acid and polyimide, and preparation methods and applications thereof |
| CN103424942A (en) * | 2013-08-30 | 2013-12-04 | 合肥京东方光电科技有限公司 | Color film base plate as well as preparation method and display device of color film base plate |
| CN110058459A (en) * | 2014-05-28 | 2019-07-26 | 群创光电股份有限公司 | Liquid crystal display panel and liquid crystal display comprising it |
| CN110058459B (en) * | 2014-05-28 | 2022-08-30 | 群创光电股份有限公司 | Liquid crystal display panel and liquid crystal display device comprising same |
| CN105068286A (en) * | 2015-09-10 | 2015-11-18 | 京东方科技集团股份有限公司 | Colored film substrate coating device and method |
| CN105068286B (en) * | 2015-09-10 | 2019-06-14 | 京东方科技集团股份有限公司 | A kind of color membrane substrates apparatus for coating and coating method |
| CN105607337A (en) * | 2016-03-15 | 2016-05-25 | 武汉华星光电技术有限公司 | Manufacturing method of color film substrate, color film substrate and liquid crystal display panel |
| WO2017156898A1 (en) * | 2016-03-15 | 2017-09-21 | 武汉华星光电技术有限公司 | Method for manufacturing color film substrate, color film substrate, and liquid crystal display panel |
| US20180173046A1 (en) * | 2016-03-15 | 2018-06-21 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Method for manufacturing color filter substrate, color filter substrate, and liquid crystal display |
| CN107728370A (en) * | 2017-10-10 | 2018-02-23 | 南京中电熊猫液晶显示科技有限公司 | A kind of liquid crystal display panel, color membrane substrates and preparation method thereof |
| CN111522164A (en) * | 2019-02-01 | 2020-08-11 | 群创光电股份有限公司 | Electronic device |
| CN112526782A (en) * | 2020-12-07 | 2021-03-19 | 成都中电熊猫显示科技有限公司 | Liquid crystal display panel and manufacturing method thereof |
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