CN111474752A - Display panel and manufacturing method thereof - Google Patents
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- CN111474752A CN111474752A CN202010391402.4A CN202010391402A CN111474752A CN 111474752 A CN111474752 A CN 111474752A CN 202010391402 A CN202010391402 A CN 202010391402A CN 111474752 A CN111474752 A CN 111474752A
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- 238000009413 insulation Methods 0.000 claims description 49
- 238000000034 method Methods 0.000 claims description 9
- 238000005286 illumination Methods 0.000 claims description 4
- 230000008021 deposition Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 239000007772 electrode material Substances 0.000 abstract description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133345—Insulating layers
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134336—Matrix
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
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Abstract
The application provides a display panel and a manufacturing method thereof, wherein the display panel comprises a first substrate, a second substrate and a liquid crystal layer, the first substrate and the second substrate are oppositely arranged, the liquid crystal layer is arranged between the first substrate and the second substrate, the first substrate comprises a substrate, a thin film transistor layer arranged on the substrate, an organic insulating layer arranged on the thin film transistor layer and a pixel electrode layer arranged on the organic insulating layer; the pixel electrode layer comprises a plurality of pixel electrodes arranged in an array, and any pixel electrode is arranged on the organic insulating layer in a whole surface; through being whole set up on organic insulating layer with the pixel electrode, improved the pixel electrode pair the area of coverage of organic insulating layer, the maximize has reduced the area that organic insulating layer gived off the ion, and simultaneously, pixel electrode material also possesses better compactness, right organic insulating layer has better protection and isolated effect, has reduced the ion concentration in the panel liquid crystal box on the whole by a wide margin, has solved the remaining problem of display panel image.
Description
Technical Field
The present disclosure relates to display technologies, and in particular, to a display panel and a method for manufacturing the same.
Background
L CD panel technology, PFA (Polymer Film on array) technology IS the main trend of the development of the whole L CD panel, and after adopting PFA structure, the characteristics of reducing the parasitic capacitance, improving the aperture ratio, improving the contrast and the like of the display panel can be reduced.
Disclosure of Invention
The application provides a display panel and a manufacturing method thereof, which aim to solve the technical problem that ions such as sulfate radicals and the like are easily generated by adopting a PFA organic insulating layer of an organic substance in the conventional PFA structure, so that image residues are generated after the ion concentration in a liquid crystal box of the panel is increased.
In order to solve the above problems, the technical solution provided by the present application is as follows:
the application provides a display panel, which comprises a first substrate, a second substrate and a liquid crystal layer, wherein the first substrate and the second substrate are arranged oppositely, the liquid crystal layer is arranged between the first substrate and the second substrate, the first substrate comprises a substrate, a thin film transistor layer arranged on the substrate, an organic insulating layer arranged on the thin film transistor layer and a pixel electrode layer arranged on the organic insulating layer;
the pixel electrode layer comprises a plurality of pixel electrodes arranged in an array mode, and any pixel electrode is arranged on the organic insulating layer in a whole face mode.
In the display panel provided by the application, the organic insulating layer is provided with a plurality of insulating patterns corresponding to the pixel electrodes one to one, each insulating pattern comprises a plurality of sub-regions, a plurality of mutually parallel insulating grooves are arranged in each sub-region, and the pixel electrodes are arranged on the organic insulating layer in a whole surface mode and are adapted to the insulating patterns.
In the display panel provided by the application, the distance between any two adjacent insulation grooves is equal, and the depth of each insulation groove is 100 nm-300 nm.
In the display panel that this application provided, arbitrary adjacent two interval between the insulating trench is 3.5um, insulating trench's width is 2.5 um.
In the display panel provided by the application, any one of the pixel electrodes is continuously arranged on the organic insulating layer along the substrate.
In the display panel provided by the application, the thicknesses of the pixel electrodes on the organic insulating layer are equal, and an electrode pattern corresponding to the insulating pattern is formed on one side, away from the organic insulating layer, of the pixel electrode.
In the display panel provided by the application, an alignment layer is arranged on the pixel electrode layer, and the part of the alignment layer on the pixel electrode is adapted to the electrode pattern.
In the display panel provided by the application, the display panel further comprises a color resistance layer, and the color resistance layer is arranged between the thin film transistor layer and the organic insulating layer.
The application also provides a manufacturing method of the display panel, which comprises the following steps:
forming a first substrate, the forming the first substrate comprising: providing a substrate, forming a thin film transistor layer on the substrate, forming an organic insulating layer on the thin film transistor layer, and forming a pixel electrode layer on the organic insulating layer; the pixel electrode layer comprises a plurality of pixel electrodes which are formed on the organic insulating layer and arranged in an array, and any one of the pixel electrodes is formed on the organic insulating layer in a whole surface; and
forming a second substrate, oppositely arranging the second substrate and the first substrate in an involution manner, and forming a liquid crystal layer between the first substrate and the second substrate.
In the method for manufacturing the display panel, an organic insulating layer is formed on the thin film transistor layer, and a pixel electrode layer is formed on the organic insulating layer; the pixel electrode layer includes a plurality of pixel electrodes formed on the organic insulating layer and arranged in an array, and any one of the pixel electrodes is formed on the organic insulating layer in its entire surface, including:
a plurality of insulation patterns which correspond to the pixel electrodes one to one are arranged on the organic insulation layer through gray scale illumination, each insulation pattern comprises a plurality of sub-regions, and a plurality of insulation grooves which are parallel to each other are arranged in any of the sub-regions;
and forming a pixel electrode on the whole surface of the organic insulating layer in a whole-surface deposition mode, so that the pixel electrode is adapted to the insulating pattern.
The beneficial effect of this application: this application through be the whole face with pixel electrode set up in on the organic insulation layer, improved pixel electrode is to the area of coverage of organic insulation layer, the maximize reduction the area that organic insulation layer gived off the ion, simultaneously, pixel electrode material also possesses better compactness, right organic insulation layer has better protection and isolated effect, has reduced the ion concentration in the panel liquid crystal box on the whole by a wide margin, has solved the remaining problem of display panel image.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of a display panel according to an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view taken along the line A-A in FIG. 1; and
fig. 3 is a schematic block diagram of a process of a method for manufacturing a display panel according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
The technical solution of the present application will now be described with reference to specific embodiments.
The application provides a display panel, as shown in fig. 1 to fig. 2, comprising a first substrate 1 and a second substrate 2 which are oppositely arranged, and a liquid crystal layer 3 arranged between the first substrate 1 and the second substrate 2, wherein the first substrate 1 comprises a substrate 10, a thin film transistor layer 20 arranged on the substrate 10, an organic insulating layer 30 arranged on the thin film transistor layer 20, and a pixel electrode layer 40 arranged on the organic insulating layer 30;
the pixel electrode layer 40 includes a plurality of pixel electrodes 41 arranged in an array, and any one of the pixel electrodes 41 is arranged on the organic insulating layer 30 in an entire surface.
It can be understood that, in a display panel adopting PFA (Polymer Film on Array, Array substrate side organic Film) technology, the organic insulating layer 30 disposed on the thin Film transistor layer 20 mainly adopts organic matters, so that the organic insulating layer 30 IS easily affected by temperature, illumination and other processes, and IS thus easily degraded and decomposed, and ions such as sulfate radicals are generated, which finally causes the ion concentration in the whole panel liquid crystal cell to increase, resulting in the display panel having IS (Image Sticking) and other problems; and, all be the structural style who has hollow out construction at the structure of current pixel electrode, if the rice style of calligraphy isotructure that is four-domain, including the cross trunk and with the branch trunk that the cross trunk is connected has the fretwork clearance between each branch trunk, and is right organic insulation layer 30's protection is limited, this application through with pixel electrode 41 be the whole face set up in on the organic insulation layer 30, improved pixel electrode 41 is right organic insulation layer 30's coverage area, the maximize has reduced the area that organic insulation layer 30 distributes the ion, simultaneously, pixel electrode 41 material also possesses better compactness, right organic insulation layer 30 has better protection and isolated effect, has reduced the ion concentration in the panel liquid crystal box on the whole by a wide margin, has solved the remaining problem of display panel image.
In an embodiment, as shown in fig. 2, a plurality of insulation patterns 31 corresponding to the pixel electrodes 41 one to one are disposed on the organic insulation layer 30, the insulation patterns 31 include a plurality of sub-regions 311, a plurality of insulation trenches 312 parallel to each other are disposed in any of the sub-regions 311, and the pixel electrodes 41 are disposed on the organic insulation layer 30 in a whole surface and adapted to the insulation patterns 31. Obviously, after the pixel electrode 41 is disposed on the organic insulating layer 30 in the whole surface, the coverage area of the pixel electrode 41 on the organic insulating layer 30 is increased, and the area of ions emitted from the organic insulating layer 30 is maximally reduced, in a specific display, by disposing the insulating pattern 31 on the organic insulating layer 30 and adapting the pixel electrode 41 to the insulating pattern 31, the distances from different areas of the pixel electrode 41 to the common electrode on the second substrate 2 are different, so as to generate different electric field differences, and achieve the same technical effect as that of the current pixel electrode with a hollow structure, where the insulating pattern 31 includes a plurality of sub-areas 311, a plurality of mutually parallel insulating trenches 312 are disposed in any of the sub-areas 311, and the distance from the portion of the pixel electrode 41 located at the insulating trench 312 to the second substrate 2 is greater than that of the pixel electrode 41 not located at the insulating trench 312 A distance of a portion to the second substrate 2; specifically, the insulating pattern 31 may have a shape similar to a rice shape of the conventional pixel electrode structure; further, it is understood that the insulation pattern 31 includes a plurality of sub-regions 311, and each of the sub-regions 311 corresponds to each of the domains of the pixel electrode 41 one to one.
In view of the above, in the present embodiment, the distance between any two adjacent insulation trenches 312 is equal; obviously, with such a structure, the intervals of the portions of the pixel electrodes 41 located in the insulation trenches 312 are more uniform, wherein the distance between any two adjacent insulation trenches 312 and the depth of the insulation trench 312 can be set according to actual needs, specifically, the distance between any two adjacent insulation trenches 312 is 3.5um, and the width of the insulation trench 312 is 2.5 um. It is understood that by controlling the depth of the insulation trench 312, the electric field intensity difference between the portion of the pixel electrode 41 located at the insulation trench 312 and the portion not located at the insulation trench 312 can be adjusted, and specifically, the depth of the insulation trench 312 is 100nm to 300 nm.
In one embodiment, the pixel electrode 41 has the same thickness at all positions on the organic insulating layer 30, and an electrode pattern 411 corresponding to the insulating pattern 31 is formed on one side of the pixel electrode 41 away from the organic insulating layer 30; obviously, the shape of the electrode pattern 411 may correspond to the insulating pattern 31, so as to achieve the purpose of controlling the shape of the pixel electrode 41 through the shape of the insulating pattern 31, and on the basis of realizing that the pixel electrode 41 is disposed on the organic insulating layer 30 in a whole surface, the technical effect of the pixel electrode 41 for driving liquid crystal to deflect for displaying is not affected; any pixel electrode 41 is continuously arranged on the organic insulation layer 30 along the substrate 10, and the pixel electrode 41 is in the display area of the display panel; specifically, the thickness of the pixel electrode 41 is 60nm to 100nm, and the electrode pattern 411 may have a shape of a Chinese character mi corresponding to the insulating pattern 31.
In one embodiment, as shown in fig. 1, an alignment layer 50 is disposed on the pixel electrode layer 40, and a portion of the alignment layer 50 on the pixel electrode 41 is adapted to the electrode pattern 411; obviously, a certain alignment effect may be generated on the alignment layer 50 by the upper electrode pattern 411 of the pixel electrode 41.
In an embodiment, as shown in fig. 2, the organic insulating layer further includes a color-resist layer 60, where the color-resist layer 60 is disposed between the thin-film transistor layer 20 and the organic insulating layer 30; it can be understood that the material used for the color resist layer 60 is an organic material, and releases certain ions to the liquid crystal layer 3 for a while, the first substrate 1 may be a COA structure, and the color resist layer 60 is disposed between the thin film transistor layer 20 and the organic insulating layer 30, so as to isolate the color resist layer 60 from the liquid crystal layer 3.
The present application further provides a manufacturing method of a display panel, as shown in fig. 3, including the following steps:
step S10: forming a first substrate 1, the forming the first substrate 1 including: providing a substrate 10, forming a thin film transistor layer 20 on the substrate 10, forming an organic insulating layer 30 on the thin film transistor layer 20, and forming a pixel electrode layer 40 on the organic insulating layer 30; the pixel electrode layer 40 includes a plurality of pixel electrodes 41 formed on the organic insulating layer 30 and arranged in an array, and any one of the pixel electrodes 41 is formed on the organic insulating layer 30 in its entire surface; and
step S20: forming a second substrate 2, oppositely arranging the second substrate 2 and the first substrate 1, and forming a liquid crystal layer 3 between the first substrate 1 and the second substrate 2.
In the method for manufacturing the display panel provided by the present application, the organic insulating layer 30 is formed on the thin-film transistor layer 20, and the pixel electrode layer 40 is formed on the organic insulating layer 30; the pixel electrode layer 40 includes a plurality of pixel electrodes 41 formed on the organic insulating layer 30 and arranged in an array, and any one of the pixel electrodes 41 is formed on the organic insulating layer 30 in its entirety, including:
a plurality of insulation patterns 31 corresponding to the pixel electrodes 41 one by one are arranged on the organic insulation layer 30 by gray scale illumination, the insulation patterns 31 comprise a plurality of sub-regions 311, and a plurality of insulation grooves 312 which are parallel to each other are arranged in any of the sub-regions 311;
a pixel electrode 41 is formed on the entire surface of the organic insulating layer 30 by way of entire surface deposition, so that the pixel electrode 41 is adapted to the insulating pattern 31.
To sum up, this application through be the whole face with pixel electrode 41 set up in on the organic insulation layer 30, improved pixel electrode 41 is right the area covered by organic insulation layer 30, the maximize reduction the area that organic insulation layer 30 distributes the ion, simultaneously, pixel electrode 41 material also possesses better compactness, right organic insulation layer 30 has better protection and isolated effect, has reduced the ion concentration in the panel liquid crystal box on the whole by a wide margin, has solved the remaining problem of display panel image.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The above embodiments of the present application are described in detail, and specific examples are applied in the present application to explain the principles and implementations of the present application, and the description of the above embodiments is only used to help understand the technical solutions and core ideas of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (10)
1. A display panel is characterized by comprising a first substrate, a second substrate and a liquid crystal layer, wherein the first substrate and the second substrate are arranged oppositely, the liquid crystal layer is arranged between the first substrate and the second substrate, the first substrate comprises a substrate, a thin film transistor layer arranged on the substrate, an organic insulating layer arranged on the thin film transistor layer and a pixel electrode layer arranged on the organic insulating layer;
the pixel electrode layer comprises a plurality of pixel electrodes arranged in an array mode, and any pixel electrode is arranged on the organic insulating layer in a whole face mode.
2. The display panel according to claim 1, wherein the organic insulating layer has a plurality of insulating patterns corresponding to the pixel electrodes, the insulating patterns include a plurality of sub-regions, each of the sub-regions has a plurality of parallel insulating trenches, and the pixel electrodes are disposed on the organic insulating layer in a full-surface manner and are adapted to the insulating patterns.
3. The display panel according to claim 2, wherein the distance between any two adjacent insulation trenches is equal, and the depth of the insulation trench is 100nm to 300 nm.
4. The display panel according to claim 3, wherein a distance between any two adjacent insulation trenches is 3.5um, and a width of each insulation trench is 2.5 um.
5. The display panel according to claim 2, wherein any one of the pixel electrodes is continuously disposed on the organic insulating layer along the substrate.
6. The display panel according to claim 2, wherein the pixel electrode has the same thickness throughout the organic insulating layer, and wherein an electrode pattern corresponding to the insulating pattern is formed on a side of the pixel electrode away from the organic insulating layer.
7. The display panel according to claim 6, wherein an alignment layer is disposed on the pixel electrode layer, and a portion of the alignment layer on the pixel electrode is adapted to the electrode pattern.
8. The display panel of claim 1, further comprising a color-resist layer disposed between the thin-film-transistor layer and the organic insulating layer.
9. A manufacturing method of a display panel is characterized by comprising the following steps:
forming a first substrate, the forming the first substrate comprising: providing a substrate, forming a thin film transistor layer on the substrate, forming an organic insulating layer on the thin film transistor layer, and forming a pixel electrode layer on the organic insulating layer; the pixel electrode layer comprises a plurality of pixel electrodes which are formed on the organic insulating layer and arranged in an array, and any one of the pixel electrodes is formed on the organic insulating layer in a whole surface; and
forming a second substrate, oppositely arranging the second substrate and the first substrate in an involution manner, and forming a liquid crystal layer between the first substrate and the second substrate.
10. The method as claimed in claim 9, wherein an organic insulating layer is formed on the thin film transistor layer, and a pixel electrode layer is formed on the organic insulating layer; the pixel electrode layer includes a plurality of pixel electrodes formed on the organic insulating layer and arranged in an array, and any one of the pixel electrodes is formed on the organic insulating layer in its entire surface, including:
a plurality of insulation patterns which correspond to the pixel electrodes one to one are arranged on the organic insulation layer through gray scale illumination, each insulation pattern comprises a plurality of sub-regions, and a plurality of insulation grooves which are parallel to each other are arranged in any of the sub-regions;
and forming a pixel electrode on the whole surface of the organic insulating layer in a whole-surface deposition mode, so that the pixel electrode is adapted to the insulating pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Application publication date: 20200731 |