CN100485468C - Liquid-crystal display panel - Google Patents
Liquid-crystal display panel Download PDFInfo
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- CN100485468C CN100485468C CNB2006100782610A CN200610078261A CN100485468C CN 100485468 C CN100485468 C CN 100485468C CN B2006100782610 A CNB2006100782610 A CN B2006100782610A CN 200610078261 A CN200610078261 A CN 200610078261A CN 100485468 C CN100485468 C CN 100485468C
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Abstract
A liquid crystal display face-plate is prepared as setting specific orientation-direction on orientation membrane on color filtering base plate in corresponding to various color filtering patterns for making liquid crystal molecules of liquid crystal layer in corresponding to said position be arranged in vertical direction, configuring the first polarization plate and the second polarization plate with polarization-direction in vertical to the first one separately on external surface of active component base plate and color filtering base plate on of liquid crystal display face-plate.
Description
Technical field
The invention relates to the method for making of a kind of display panels, driving component substrate and colored optical filtering substrates, and particularly relevant for a kind of by the method for making of the direction that changes the alignment film on the colored optical filtering substrates with the display panels, driving component substrate and the colored optical filtering substrates that replace known black matrix.
Background technology
Along with modern video signal development of technology, liquid crystal indicator has been used on the display screen of consumption electronic products such as mobile phone, mobile computer, personal computer and PDA(Personal Digital Assistant) in large quantities.The liquid crystal panel of liquid crystal indicator mainly is made up of a multiple substrate, a liquid crystal layer and a colored optical filtering substrates, wherein multiple substrate be with colored optical filtering substrates to group, and liquid crystal layer is to be positioned at it between the two.The generation type of above-mentioned colored optical filtering substrates for example is to form black matrix (Black Matrix) earlier, forms color filter patterns afterwards, and then forms retes such as electrode layer or protective seam.
The function of black matrix mainly is to be used for covering some orientation exceptions area or oblique light leak district, and normally is made up of the metal material of the high shaded effects of tool such as chromium, lead.Yet along with the new line of environmental consciousness, above-mentioned metal material is disabled gradually, therefore, mainly is with the material of resin (resin) as black matrix at present.
Fig. 1 is the partial schematic diagram of known colored optical filtering substrates.Only show wherein one group of pixel among Fig. 1 to explain.Please refer to Fig. 1, known colored optical filtering substrates 100 comprises a transparency carrier 110, one black matrix 120 and a plurality of color filter patterns 130.Black matrix 120 is to be disposed on the substrate 110, to define pixel region 112 a plurality of times on substrate 110.Color filter patterns 130 comprises red filter pattern 132, green filter pattern 134 and blue filter pattern 136, and it is disposed at respectively in the corresponding inferior pixel region 112.Generally speaking, the periphery of these color filter patterns 130 can with the subregion overlaid of deceiving matrix 120, to reduce mixed color phenomenon.
Because the material of black matrix 120 is the relatively poor black resin of shading efficient, therefore black matrix 120 needs the effect of higher thickness competence exertion shading, and its thickness is about 1.1 μ m-1.4 μ m.Yet, when on transparency carrier 110, forming color filter patterns 130, because the thickness of black matrix 120 is too thick, can make that the color filter patterns 130 that is positioned at this overlapping exceeds the height of about d than other position, promptly produce so-called ox horn (tape angle) zone 130 ', just have the situation of intermediate recess edge taper at color filter patterns 130 end faces.
When carry out back-end process with colored optical filtering substrates 100 and driving component substrate (not illustrating) to group after because the surface flatness of colored optical filtering substrates 100 is too poor, cause liquid crystal layer (not illustrating) to produce the problem that orientation reaches light leak unusually easily.In addition, if form the optical concentration of resin of black matrix 120 when not enough, then red partially situation can take place in the margo frontalis of the black matrix of display panel part, and is like this, will influence the display quality of whole liquid crystal display panel.
Summary of the invention
The purpose of this invention is to provide a kind of display panels, not good to solve in the known display panels surface flatness because of colored optical filtering substrates, and cause the unusual problem of orientation of liquid crystal layer.
Another object of the present invention provides a kind of display panels, to promote the display quality of display panels.
Another purpose of the present invention provides a kind of method for making of driving component substrate, utilizes the driving component substrate of this processing procedure made to have preferable surface smoothness.
A further object of the present invention provides a kind of method for making of colored optical filtering substrates, utilizes the alignment direction of the subregion of light alignment manufacture process or ion alignment manufacture process change alignment film, to replace known black matrix.So, can at its margo frontalis red partially situation not take place partly because of the optical concentration value of selected black matrix is on the low side, to promote the display quality of display panels effectively.
For reaching above-mentioned or other purpose, the present invention proposes a kind of display panels, and it comprises a driving component substrate, a colored optical filtering substrates, a liquid crystal layer, one first polaroid and one second polaroid.Colored optical filtering substrates is to be disposed on the driving component substrate, and colored optical filtering substrates comprises a substrate, most color filter patterns, a plurality of electrode pattern, one first flatness layer and one first alignment films.Have a plurality of inferior pixel regions that the matrix pattern is arranged that are on the substrate.A plurality of color filter patterns are disposed at respectively in the inferior pixel region of substrate.A plurality of electrode patterns are to be disposed at respectively on the above-mentioned color filter patterns, and these electrode patterns are to be electrically connected to each other.First flatness layer is to be positioned on the substrate, and covers these electrode patterns.First alignment film is to be positioned on first flatness layer, wherein, first alignment film has one first alignment direction corresponding to the zone of these color filter patterns tops, and first alignment film has one second alignment direction corresponding to the zone between each color filter patterns, and this second alignment direction is between 75 °-90 °.Liquid crystal layer is to be disposed between driving component substrate and the colored optical filtering substrates.First polaroid is an outside surface that is positioned at the driving component substrate; Second polaroid is an outside surface that is positioned at colored optical filtering substrates, and wherein, first polaroid is vertical mutually with the polarization direction of second polaroid.
In one embodiment of this invention, first alignment direction is between 2 °-6 °.
In one embodiment of this invention, colored optical filtering substrates also comprises an electrode layer, and this electrode layer is between first flatness layer and first alignment film.
In one embodiment of this invention, the driving component substrate comprises a substrate, most bar data distribution and most bar scan wiring, most dot structures, one second flatness layer and one second alignment films.Many data wirings and plurality of scanning wirings are to be disposed on the substrate, to define most pixel regions.A plurality of dot structures are disposed at respectively in these pixel regions, and to drive by these scan wirings and data distribution, wherein each dot structure comprises a thin film transistor (TFT) and a pixel electrode.Thin film transistor (TFT) be electrically connected at above-mentioned scan wiring one of them and above-mentioned data wiring one of them.And pixel electrode is the top that is positioned at thin film transistor (TFT), and electrically connects with thin film transistor (TFT).Second flatness layer is to be positioned on the substrate, and covers on these dot structures.Second alignment film is to be positioned on second flatness layer, wherein, second alignment film has first alignment direction corresponding to the zone of these pixel region tops, and second alignment film has second alignment direction corresponding to these data wirings and scan wiring place, and this second alignment direction is between 75 °-90 °.
In one embodiment of this invention, first alignment direction is between 2 °-6 °.
For reaching above-mentioned or other purpose, the present invention proposes a kind of display panels in addition, and it comprises a driving component substrate, a colored optical filtering substrates, a liquid crystal layer, one first polaroid and one second polaroid.The driving component substrate comprises a substrate, most bar data distribution and most bar scan wiring, most dot structures, a flatness layer and alignment films.These data wirings and scan wiring are to be disposed on the substrate, to define a plurality of pixel regions.A plurality of dot structures are to be disposed at respectively in the above-mentioned pixel region, and to drive by scan wiring and data distribution, wherein each dot structure comprises a thin film transistor (TFT) and a pixel electrode.Thin film transistor (TFT) be electrically connected at above-mentioned scan wiring one of them and above-mentioned data wiring one of them.Pixel electrode is to be positioned at the thin film transistor (TFT) top, and electrically connects with thin film transistor (TFT).Flatness layer is to be positioned on the substrate, and covers above-mentioned dot structure.Alignment film is to be positioned on the flatness layer, wherein, alignment film has one first alignment direction corresponding to the zone of these pixel regions top, and alignment film has one second alignment direction corresponding to these data wirings and these scan wiring places, and this second alignment direction is between 75 °-90 °.Colored optical filtering substrates is to be disposed on the driving component substrate.Liquid crystal layer is to be disposed between driving component substrate and the colored optical filtering substrates.First polaroid is an outside surface that is positioned at the driving component substrate.Second polaroid is an outside surface that is positioned at colored optical filtering substrates, and wherein first polaroid is vertical mutually with the polarization direction of second polaroid.
In one embodiment of this invention, first alignment direction is between 2 °-6 °.
For reaching above-mentioned or other purpose, the present invention also proposes a kind of method for making of driving component substrate, and it comprises the following step.At first, on a substrate, form most bar scan wirings, most bar data distribution and a plurality of dot structure; Wherein, these scan wirings and data distribution define most pixel regions, and each dot structure is positioned at a wherein pixel region, and comprise a thin film transistor (TFT) and a pixel electrode, this thin film transistor (TFT) be electrically connected at these scan wirings one of them and these data wirings one of them, this pixel electrode and thin film transistor (TFT) electrically connect.Afterwards, form a flatness layer on substrate, wherein, flatness layer covers these dot structures.Next, on flatness layer, form an alignment film.At last, alignment film is carried out an alignment manufacture process, make alignment film have one first alignment direction corresponding to the zone of above-mentioned pixel region top, and making alignment film have one second alignment direction corresponding to the zone of these scan wirings and data distribution top, this second alignment direction is between 75 °-90 °.
In one embodiment of this invention, first alignment direction is between 2 °-6 °.
In one embodiment of this invention, alignment manufacture process is a smooth alignment manufacture process.Further, the light alignment manufacture process is to utilize one to have on the polarizing light irradiation alignment film of specific wavelength corresponding to the zone of these scan wirings and data distribution top, makes alignment film have second alignment direction corresponding to these scan wirings and zone above the data distribution.
In one embodiment of this invention, alignment manufacture process is an ion alignment manufacture process.Further, the ion alignment manufacture process be utilize an ion beam beat on the alignment film corresponding to the zone above these scan wirings and the data distribution, make alignment film have second alignment direction corresponding to the zone of these scan wirings and data distribution top.
For reaching above-mentioned or other purpose, the present invention reintroduces a kind of method for making of colored optical filtering substrates, and it comprises the following step.At first, provide a substrate, this substrate has most and is the inferior pixel region that the matrix pattern is arranged.Afterwards, form most color filter patterns on substrate, wherein, these color filter patterns are to be disposed at respectively in the inferior pixel region of substrate.Then, on each color filter patterns, form an electrode pattern respectively, and these electrode patterns are to be electrically connected to each other.Next, form a flatness layer on substrate, wherein, flatness layer is to cover these electrode patterns.Then, on flatness layer, form an alignment film.At last, above-mentioned alignment film is carried out an alignment manufacture process, make alignment film have one first alignment direction corresponding to the zone of these color filter patterns tops, and making alignment film have one second alignment direction corresponding to the zone between each color filter patterns, this second alignment direction is between 75 °-90 °.
In one embodiment of this invention, first alignment direction is between 2 °-6 °.
In one embodiment of this invention, above-mentioned alignment manufacture process is a smooth alignment manufacture process.Further, the light alignment manufacture process is to utilize a polarizing light irradiation alignment film with specific wavelength corresponding to the zone between each color filter patterns, makes alignment film have second alignment direction corresponding to the zone between each color filter patterns.
In one embodiment of this invention, above-mentioned alignment manufacture process is an ion alignment manufacture process.Further, the ion alignment manufacture process is to utilize an ion beam to beat at alignment film corresponding to the zone between each color filter patterns, makes alignment film have second alignment direction corresponding to the zone between each color filter patterns.
The present invention is by the alignment direction that changes on the colored optical filtering substrates corresponding to the alignment film between each color filter patterns, to replace known black matrix, so, the light that backlight module provided can enter in the display panels via first polaroid, and this light promptly has a specific polarization direction after passing first polaroid.Because the liquid crystal molecule corresponding to the second area of alignment film in the liquid crystal layer is to arrange in vertical direction, therefore, polarized light can't be deflected during through the above-mentioned liquid crystal molecule of arranging in vertical direction.Yet, when these light during through second polaroid, because the polarization direction of second polaroid is mutual vertical with the polarization direction of first polaroid, therefore, light can't pass second polaroid and be dark state, to reach the effect identical with known black matrix.So, not only can simplify the processing procedure of colored optical filtering substrates effectively, and can avoid that known surface smoothness because of colored optical filtering substrates is not good to produce the situation that orientation reaches light leak unusually, and then promote the display quality of display panels.
Description of drawings
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. are described in detail below, wherein:
Fig. 1 is the partial schematic diagram of known colored optical filtering substrates.
Fig. 2 A illustrates the diagrammatic cross-section into a kind of display panels of one embodiment of the invention.
Fig. 2 B illustrates the local schematic top plan view into the driving component substrate shown in Fig. 2 A.
Fig. 2 C illustrates the local schematic top plan view into the colored optical filtering substrates shown in Fig. 2 A.
Fig. 3 illustrates to light and enters display panels by first polaroid and by the synoptic diagram of the second polaroid outgoing.
Fig. 4 A-4D illustrates the making flow process sectional view into a driving component substrate of the present invention.
Fig. 5 illustrates to form the schematic top plan view of dot structure on the substrate shown in Fig. 4 A.
Fig. 6 A-6E illustrates the manufacturing process sectional view into a colored optical filtering substrates of the present invention.
Fig. 7 illustrates the schematic top plan view into the substrate shown in Fig. 6 A.
Embodiment
Fig. 2 A illustrates the diagrammatic cross-section into a kind of display panels of one embodiment of the invention; Fig. 2 B illustrates the local schematic top plan view into the driving component substrate shown in Fig. 2 A; Fig. 2 C illustrates the local schematic top plan view into the colored optical filtering substrates shown in Fig. 2 A.In this embodiment, the thin film transistor (TFT) that is comprised in each pixel of driving component substrate is to be that example is to explain with bottom gate polar form (bottom gate) thin film transistor (TFT).Yet, except bottom gate polar form thin film transistor (TFT), the thin film transistor (TFT) that also can adopt top grid film transistor, amorphous silicon film transistor, polycrystalline SiTFT or other pattern is as the thin film transistor (TFT) in each pixel, and the present invention does not impose any restrictions for the kenel of the thin film transistor (TFT) of driving component substrate.
At first, please refer to Fig. 2 A, display panels 200 of the present invention mainly is made up of a driving component substrate 210, a colored optical filtering substrates 220, a liquid crystal layer 230, one first polaroid 240 and one second polaroid 250.Liquid crystal layer 230 is to be disposed between driving component substrate 210 and the colored optical filtering substrates 220.In addition, first polaroid 240 and second polaroid 250 are disposed at respectively on the outside surface 220a of the outside surface 210a of driving component substrate 210 and colored optical filtering substrates 220.
Please also refer to Fig. 2 A and 2B, driving component substrate 210 comprises a substrate 211, most bar scan wiring 212, most bar data distribution 213, most dot structures, a flatness layer 216 and alignment films 217.Shown in Fig. 2 B, scan wiring 212 is to be disposed at mutual vertically on the substrate 211 with data wiring 213, to define a plurality of pixel region P that the matrix pattern is arranged that are.A plurality of dot structures are to be disposed at respectively in the pixel region P, to be driven by scan wiring 212 and data wiring 213.Wherein, each dot structure comprises a thin film transistor (TFT) 214 and a pixel electrode 215.Thin film transistor (TFT) 214 is to be electrically connected at corresponding scan wiring 212 and data wiring 213; And pixel electrode 215 is the tops that are positioned at thin film transistor (TFT) 214, and electrically connects with thin film transistor (TFT) 214.
Please refer to Fig. 2 A, further, thin film transistor (TFT) 214 is by a grid) Gate) 214a, a channel layer (Channel) 214b, one source pole 214c (Source) constituted with drain electrode (Drain) 214d.Wherein, grid 214a electrically connects with the scan wiring 212 shown in Fig. 2 B, on off state in order to control channel layer 214b, source electrode 214c electrically connects with the data distribution 213 shown in Fig. 2 B, when grid 214a is electrically connected to a suitable voltage, channel layer 214b promptly is the state of conducting, and the data that show about picture this moment just can be in regular turn writes in the pixel electrode 215 via data wiring 213, source electrode 214c, channel layer 214b, drain electrode 214d.
Shown in Fig. 2 A, flatness layer 216 is to be positioned on the substrate 211, and covers all thin film transistor (TFT)s 214 and pixel electrode 215, and so, driving component substrate 210 can have preferable surface smoothness.In one embodiment of this invention, the material of flatness layer 216 comprises resin material.
Alignment film (alignment layer) the 217th is positioned on the flatness layer 216, so that liquid crystal layer 230 is carried out orientation.The present invention is by a smooth orientation (PhotoAlignment) or an ion alignment manufacture process, utilization has the polarized light of specific wavelength or ion beam and beats subregion at alignment film 217, make alignment film 217 have one first alignment direction, and make it have one second alignment direction corresponding to the second area 217b above these scan wirings 212 and the data distribution 213 corresponding to the first area 217a above the pixel region P shown in Fig. 2 B.This first alignment direction is between 2 °-6 °, and second alignment direction is between 75 °-90 °.In one embodiment of this invention, the material of alignment film 217 can be polyimide (polyimide).
Please also refer to Fig. 2 A and Fig. 2 C, colored optical filtering substrates 220 is to be positioned on the driving component substrate 210, and it comprises a substrate 221, most color filter patterns 222, most electrode patterns 223, a flatness layer 224 and alignment films 225.Shown in Fig. 2 C, have a plurality of inferior pixel region P ' that the matrix pattern is arranged that are on the substrate 221, each time pixel region P ' corresponds to a wherein pixel region P of driving component substrate 210 respectively.A plurality of color filter patterns 222 are disposed at respectively in the inferior pixel region P ' of substrate 221.These color filter patterns 222 can comprise red filter pattern, green filter pattern and blue filter pattern.
A plurality of electrode patterns 223 lay respectively on the color filter patterns 222.These electrode patterns 223 are to be electrically connected to each other, and by thin film transistor (TFT) 214 as driven unit, reverse with the liquid crystal between drive electrode pattern 223 and the pixel electrode 215.The material of this electrode pattern 223 can be indium tin oxide (indiumtin oxide) or indium-zinc oxide (indium zinc oxide).
Please refer to Fig. 3, the light that the backlight module (not shown) is provided can enter in the display panels 200 via first polaroid 240, and this light promptly has a specific polarization direction after passing first polaroid 240.Because the liquid crystal molecule between the second area 225b of the second area 217b of alignment film 217 and alignment film 225 is to arrange in vertical direction, therefore, polarized light can't be deflected during through the liquid crystal molecule of above-mentioned arrangement in vertical direction.Yet when these light during through second polaroid 250, because the polarization direction of second polaroid 250 is mutual vertical with the polarization direction of first polaroid 240, therefore, light can't pass second polaroid 250 and be dark state.So, can reach the effect identical, but can avoid the situation of light leak to take place fully with known black matrix.
In above embodiment, the present invention is that the alignment film to driving component substrate and colored optical filtering substrates carries out an alignment manufacture process, makes it have different alignment direction, and then reaches the effect (light can't be penetrated) identical with known black matrix.Yet the user can only dispose the alignment film with different alignment direction on the driving component substrate, or the alignment film that only configuration has the different alignment direction on colored optical filtering substrates, and the present invention does not impose any restrictions this.
Below, the collocation icon is illustrated the method for making of its driving component substrate and colored optical filtering substrates in the above-mentioned display panels respectively.
Fig. 4 A-4D illustrates the making flow process sectional view into a driving component substrate of the present invention.Fig. 5 illustrates to form the schematic top plan view of dot structure on the substrate shown in Fig. 4 A.At first, please also refer to Fig. 4 A and Fig. 5, form most bar scan wirings 312, most bar data distribution 313 and most dot structures 314 on a substrate 311, wherein, each dot structure 314 comprises a thin film transistor (TFT) 314a and a pixel electrode 314b respectively.As shown in Figure 5, these scan wirings 312 are vertical mutually with data wiring 313, are the pixel region P that the matrix pattern is arranged to define most.Each dot structure 314 is to be positioned at a wherein pixel region P, each thin film transistor (TFT) 314a is electrically connected at wherein a scan wiring 312 and data wiring 313 wherein, in addition, each pixel electrode 314b is electrically connected at corresponding thin film transistor (TFT) 314a.
Next, please refer to Fig. 4 B, on substrate 311, form a flatness layer 316,, make whole base plate 311 have preferable surface flatness to cover above-mentioned dot structure 314 (being thin film transistor (TFT) 314a and pixel electrode 314b).Afterwards, please refer to Fig. 4 C, on flatness layer 316, form an alignment film 317.At last, please refer to Fig. 4 D, collocation one shielding (mask) 500 is to carry out an alignment manufacture process 400 to alignment film 317, make in the alignment film 317 first area 317a have one first alignment direction, and make that the second area 317b corresponding to scan wiring 312 and data distribution 313 tops has one second alignment direction in the alignment film 317 corresponding to pixel region P top shown in Figure 5.This first alignment direction is between 2 °-6 °, and second alignment direction is between 75 °-90 °.So, just, finish the making of the driving component substrate 210 shown in Fig. 2 A.
In one embodiment of this invention, above-mentioned alignment manufacture process can be a smooth orientation (Photo Alignment) processing procedure.This light alignment manufacture process is to utilize one to have on the polarizing light irradiation alignment film 317 of specific wavelength corresponding to the second area 317b of the scan wiring shown in Fig. 5 312 with data distribution 313 tops, need the arrange in pairs or groups material of alignment film 317 of this polarization light wavelength is so that alignment film 317 has second alignment direction corresponding to the second area 317b of scan wiring 312 and data distribution 313 tops.In addition, above-mentioned alignment manufacture process also can be an ion orientation (Ion Alignment) processing procedure, this ion alignment manufacture process is to utilize an ion beam (ion beam) to beat at alignment film 317 corresponding to the second area 317b above scan wiring 312 and the data distribution 313, makes alignment film 317 have second alignment direction corresponding to the zone of scan wiring 312 and data distribution 313 tops.
Fig. 6 A-6E illustrates the manufacturing process sectional view into a colored optical filtering substrates of the present invention.Fig. 7 illustrates the schematic top plan view into the substrate shown in Fig. 6 A.At first, please refer to Fig. 6 A and Fig. 7, a substrate 321 is provided, this substrate 321 has a plurality of inferior pixel region P ' that the matrix pattern is arranged that are.Afterwards, please refer to Fig. 6 B, on substrate 321, form most color filter patterns 322, and on color filter patterns 322, form an electrode pattern 323 respectively.These color filter patterns 322 are disposed at respectively in the inferior pixel region P ' of substrate 321.In one embodiment of this invention, these color filter patterns 322 comprise red filter pattern, blue filter pattern and green filter pattern.In addition, the electrode pattern 323 that is positioned on the color filter patterns 322 is to be electrically connected to each other.
Next, please refer to Fig. 6 C, on substrate 321, form a flatness layer 324, to cover these color filter patterns 322.Then, please refer to Fig. 6 D, form an alignment film 325 on flatness layer 324, the material of this alignment film 325 can be polyimide.
At last, please refer to Fig. 6 E, collocation one shielding 500 ' is to carry out an alignment manufacture process 400 ' to alignment film 325, make alignment film 325 have one first alignment direction, and make alignment film 325 have one second alignment direction corresponding to the second area 325b between each color filter patterns 322 corresponding to the first area 325a of these color filter patterns 322 tops.This first alignment direction is between 2 °-6 °, and second alignment direction is between 75 °-90 °.So far, promptly finish the making of the colored optical filtering substrates 220 shown in Fig. 2 A.This alignment manufacture process 400 ' can be above-mentioned light alignment manufacture process or ion alignment manufacture process, so, this no longer giving unnecessary details more.
In sum, colored optical filtering substrates of the present invention is prior to forming a plurality of color filter patterns and a plurality of electrode pattern that is positioned on the color filter patterns on the substrate, afterwards, form a flatness layer on substrate, making it have preferable surface flatness.At last, on flatness layer, form an alignment film, and this alignment film carried out an alignment manufacture process, make on the alignment film to have one second orientation angle (between 75 °-90 °) corresponding to the second area between each color filter patterns, this second area is deceives locating of matrix place in the known colored optical filtering substrates.So, can arrange in vertical direction corresponding to the liquid crystal molecule on the second area of alignment film.
Display panels of the present invention is two first polaroid and second polaroids that the polarization direction is perpendicular in the outside surface configuration of driving component substrate and colored optical filtering substrates, can make light replace the known black matrix that forms by resin material with this from the second area outgoing.So, not only can simplify the manufacturing process of colored optical filtering substrates effectively, and also can improve traditional colored optical filtering substrates reaches light leak unusually because of the too poor orientation that causes of its surface flatness problem.
In addition, because colored optical filtering substrates of the present invention is an alignment direction difference of utilizing alignment film, and replace known black matrix.Therefore, can not produce because of the optical concentration value of black matrix is on the low side and red partially situation partly take place, so can promote the display quality of display panels effectively at its margo frontalis.
Moreover the present invention also can carry out alignment manufacture process on the alignment film on the driving component substrate, make its corresponding to scan wiring and data wiring locate have different alignment direction, and then make the effect that reaches homeotropic alignment corresponding to liquid crystal molecule herein equally.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; anyly have the knack of this operator; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is when looking accompanying being as the criterion that claim defines.
Claims (7)
1. a display panels is characterized in that, comprising:
One driving component substrate;
One colored optical filtering substrates is disposed on this driving component substrate, and this colored optical filtering substrates comprises:
One substrate has most and is the inferior pixel region that the matrix pattern is arranged;
A most color filter patterns are disposed at respectively in those times pixel region of this substrate;
A plurality of electrode patterns are disposed at respectively on those color filter patterns, and those electrode patterns are electrically connected to each other;
One first flatness layer is positioned on this substrate, and covers those electrode patterns;
One first alignment film, be positioned on this first flatness layer, wherein, this first alignment film has one first alignment direction corresponding to the zone of those color filter patterns top, and this first alignment film has one second alignment direction corresponding to the zone between this color filter patterns respectively; Wherein, this second alignment direction is between 75 °-90 °;
One liquid crystal layer is disposed between this driving component substrate and this colored optical filtering substrates;
One first polaroid is positioned at an outside surface of this driving component substrate; And
One second polaroid is positioned at an outside surface of this colored optical filtering substrates, and wherein this first polaroid is vertical mutually with the polarization direction of this second polaroid.
2. as claim 1 a described display panels, it is characterized in that wherein this first alignment direction is between 2 °-6 °.
3. as claim 1 a described display panels, it is characterized in that wherein the material of those electrode patterns comprises indium tin oxide or indium-zinc oxide.
4. as claim 1 a described display panels, it is characterized in that wherein this driving component substrate comprises:
One substrate;
Most bar data wirings and most bar scan wiring are disposed on this substrate, to define most pixel regions;
A most dot structure are disposed at respectively in those pixel regions, and to be driven by those scan wirings and those data wirings, wherein respectively this dot structure comprises:
One thin film transistor (TFT), be electrically connected at those scan wirings one of them and those data wirings one of them;
One pixel electrode is positioned at the top of this thin film transistor (TFT), and electrically connects with this thin film transistor (TFT);
One second flatness layer is positioned on this substrate, and covers on those dot structures; And
One second alignment film, be positioned on this second flatness layer, wherein, this second alignment film has this first alignment direction corresponding to the zone of those pixel region tops, and this second alignment film has this second alignment direction corresponding to those data wirings and those scan wiring places.
5. as claim 4 a described display panels, it is characterized in that wherein this first alignment direction is between 2 °-6 °.
6. a display panels is characterized in that, comprising:
One driving component substrate comprises:
One substrate;
Most bar data wirings and most bar scan wiring are disposed on this substrate, to define most pixel regions;
A most dot structure are disposed at respectively in those pixel regions, and to be driven by those scan wirings and those data wirings, wherein respectively this dot structure comprises:
One thin film transistor (TFT), be electrically connected at those scan wirings one of them and those data wirings one of them;
One pixel electrode is positioned at this thin film transistor (TFT) top, and electrically connects with this thin film transistor (TFT);
One flatness layer is positioned on this substrate, and covers on those dot structures;
One alignment film is positioned on this flatness layer, and wherein, this alignment film has one first alignment direction corresponding to the zone of those pixel region tops, and this alignment film has one second alignment direction corresponding to those data wirings and those scan wiring places; Wherein, this second alignment direction is between 75 °-90 °;
One colored optical filtering substrates is disposed on this driving component substrate;
One liquid crystal layer is disposed between this driving component substrate and this colored optical filtering substrates;
One first polaroid is positioned at an outside surface of this driving component substrate; And
One second polaroid is positioned at an outside surface of this colored optical filtering substrates, and wherein this first polaroid is vertical mutually with the polarization direction of this second polaroid.
7. as claim 6 a described display panels, it is characterized in that wherein this first alignment direction is between 2 °-6 °.
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| CNB2006100782610A CN100485468C (en) | 2006-05-18 | 2006-05-18 | Liquid-crystal display panel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI372293B (en) | 2007-12-21 | 2012-09-11 | Au Optronics Corp | Method for forming multiple alignment films on a substrate and pixel structure of a liquid crystal display |
| CN101728398A (en) * | 2008-10-28 | 2010-06-09 | 奇美电子股份有限公司 | Thin film transistor substrate, display panel, display device and manufacturing method thereof |
| CN102749780B (en) * | 2012-07-27 | 2015-02-04 | 南京中电熊猫液晶显示科技有限公司 | Liquid crystal display panel |
| CN104503169B (en) * | 2014-11-21 | 2018-03-06 | 深圳市华星光电技术有限公司 | Vertical alignment type liquid crystal display device |
| CN104635374B (en) | 2015-02-13 | 2017-09-01 | 上海天马微电子有限公司 | A kind of display panel, display device and its manufacture method |
| CN107367866A (en) * | 2017-08-25 | 2017-11-21 | 武汉华星光电技术有限公司 | CF substrates and preparation method thereof and alignment film orientation angle measurement method |
| CN109597511B (en) * | 2017-09-30 | 2022-05-17 | 昆山国显光电有限公司 | Touch panel, display screen and electronic product |
| CN108333838A (en) * | 2018-03-06 | 2018-07-27 | 京东方科技集团股份有限公司 | Display base plate, display panel and display device |
| CN110308593B (en) * | 2019-06-12 | 2024-02-27 | 惠科股份有限公司 | Manufacturing method of alignment film |
-
2006
- 2006-05-18 CN CNB2006100782610A patent/CN100485468C/en not_active Expired - Fee Related
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| CN101075029A (en) | 2007-11-21 |
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