CN106873263A - A kind of display panel and its manufacture method, display device - Google Patents
A kind of display panel and its manufacture method, display device Download PDFInfo
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- CN106873263A CN106873263A CN201710034739.8A CN201710034739A CN106873263A CN 106873263 A CN106873263 A CN 106873263A CN 201710034739 A CN201710034739 A CN 201710034739A CN 106873263 A CN106873263 A CN 106873263A
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- liquid crystal
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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
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- Crystallography & Structural Chemistry (AREA)
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- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention discloses a kind of display panel and its manufacture method, display device, is related to display technology field, for the visual angle for solving the problems, such as display device is narrower.The display panel includes pixel electrode, public electrode and liquid crystal molecule, and pixel electrode is in curved surface towards the surface of liquid crystal molecule, or/and, public electrode is in curved surface towards the surface of liquid crystal molecule.In the display panel, when respectively to pixel electrode and public electrode applied voltage, the electric field formed between pixel electrode and public electrode, liquid crystal molecule deflects in the presence of the electric field, the yawing moment of liquid crystal molecule is differed, the farmland variation of liquid crystal molecule, thus backlight can be caused through display panel and the variation of light direction when outside display panel is projected, such that it is able to increase the visual angle of display device.The display panel that the present invention is provided is used for display picture.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of display panel and its manufacture method, display device.
Background technology
Display device is that one kind is used to show word, numeral, symbol, picture, or by word, numeral, symbol and picture
In the device of the picture such as image that is formed of at least two combinations.Display device generally includes to be set in display panel, display panel
There are pixel electrode, public electrode and multiple liquid crystal molecules corresponding with pixel electrode, by respectively to pixel electrode and common electrical
Pole applied voltage, forms electric field between pixel electrode and public electrode, so that corresponding multiple liquid crystal molecules deflect, enter
And control the backlight that backlight module is provided through display panel and project the throughput outside display panel, with display picture.
However, in existing display panel, because the structure of pixel electrode and public electrode is limited, respectively to pixel electricity
Behind pole and public electrode applied voltage, electric field, effect of the liquid crystal molecule in the electric field are formed between pixel electrode and public electrode
Under deflect, the yawing moment of each liquid crystal molecule is essentially identical, that is to say, that the farmland of liquid crystal molecule is single, thus results in
Backlight is through display panel and projects that light direction when outside display panel is single, causes the visual angle of display device narrower.
The content of the invention
It is an object of the invention to provide a kind of display panel and its manufacture method, display device, for solving display dress
The narrower technical problem in the visual angle put.
To achieve these goals, the present invention provides following technical scheme：
The first aspect of the present invention provides a kind of display panel, including pixel electrode, public electrode and liquid crystal molecule, described
Pixel electrode is in curved surface towards the surface of the liquid crystal molecule, or/and, the public electrode is towards the surface of the liquid crystal molecule
It is in curved surface.
The second aspect of the present invention provides a kind of display device, and the display device is included as described in above-mentioned technical scheme
Display panel.
The third aspect of the present invention provides a kind of manufacture method of display panel, for manufacturing as described in above-mentioned technical scheme
Display panel, the manufacture method of the display panel includes：Pixel electrode is formed, public electrode is formed, liquid crystal molecule is injected,
Wherein, the pixel electrode is in curved surface towards the surface of the liquid crystal molecule, or/and, the public electrode is towards the liquid crystal
The surface of molecule is in curved surface.
In the display panel that the present invention is provided, pixel electrode is in curved surface towards the surface of liquid crystal molecule, or/and, common electrical
Pole is in curved surface towards the surface of liquid crystal molecule, therefore, the initial arrangement direction of liquid crystal molecule is inconsistent, what liquid crystal molecule had
Pretilt angle is inconsistent, and especially in pixel electrode or/and the recess or high spot of public electrode, i.e., liquid crystal molecule is initial
Long axis direction arrangement is inconsistent, after respectively to pixel electrode and public electrode applied voltage, pixel electrode and public electrode it
Between the electric field that is formed, also inconsistent, liquid after liquid crystal molecule deflects in the presence of the electric field, and liquid crystal molecule deflects
Long axis direction arrangement after brilliant molecule deflects is inconsistent, and the yawing moment of liquid crystal molecule is differed, that is to say, that liquid crystal point
The farmland variation of son, thus backlight can be caused through display panel and the variation of light direction when outside display panel is projected,
Such that it is able to increase the visual angle of display device.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes a part of the invention, this hair
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of display panel provided in an embodiment of the present invention；
Schematic diagram one when Fig. 2 is non deflected liquid crystal molecule；
Fig. 3 is the schematic diagram after liquid crystal molecule deflection in Fig. 2；
Schematic diagram two when Fig. 4 is non deflected liquid crystal molecule；
Fig. 5 is the schematic diagram after liquid crystal molecule deflection in Fig. 4；
Schematic diagram three when Fig. 6 is non deflected liquid crystal molecule；
Fig. 7 is the schematic diagram after liquid crystal molecule deflection in Fig. 6；
Fig. 8 is the flow chart of the manufacture method of display panel provided in an embodiment of the present invention.
Reference：
The underlay substrates of 10- first, 11- thin film transistor (TFT)s,
12- grids, 13- gate insulators,
14- active layers, 15- source electrodes,
16- drains, 17- protective layers,
18- pixel electrodes, the outer convex region of 181- pixel electrodes,
Recessed area in 182- pixel electrodes, the underlay substrates of 20- second,
21- black matrix, 22- coloured silk film layers,
23- public electrodes, 24- chock insulator matters,
30- liquid crystal molecules.
Specific embodiment
In order to further illustrate display panel provided in an embodiment of the present invention and its manufacture method, display device, tie below
Figure of description is closed to be described in detail.
Refer to Fig. 1, Fig. 2, Fig. 4 and Fig. 6, display panel provided in an embodiment of the present invention includes pixel electrode 18, public
Electrode 23 and liquid crystal molecule 30, pixel electrode 18 are in curved surface towards the surface of liquid crystal molecule 30, or/and, the direction of public electrode 23
The surface of liquid crystal molecule 30 is in curved surface.
It should be noted that the type of display panel provided in an embodiment of the present invention can be various, for example, the present invention is real
The display panel for applying example offer can be TN (Twisted Nematic, twisted nematic) display panel, IPS (In-Plane
Switching, plane conversion type) display panel or VA (Vertical Alignment, perpendicular alignmnet type) display panel etc., under
Face illustrates so that display panel is TN display panels as an example.
Please continue to refer to Fig. 1, display panel provided in an embodiment of the present invention can be TN display panels, including pixel electrode
18th, public electrode 23 and liquid crystal molecule 30, pixel electrode 18 are parallel with public electrode 23 and relative, and liquid crystal molecule 30 is located at pixel
Between electrode 18 and public electrode 23, wherein, pixel electrode 18 is in curved surface towards the surface of liquid crystal molecule 30, or/and, common electrical
Pole 23 is in curved surface towards the surface of liquid crystal molecule 30, that is to say, that the upper surface of pixel electrode 18 is in curved surface in Fig. 1 or/and Fig. 1
The lower surface of middle public electrode 23 is in curved surface, now, please continue to refer to Fig. 2, Fig. 4 or Fig. 6, not respectively to public electrode 23 and picture
During plain 18 applied voltage of electrode, the initial arrangement of liquid crystal molecule 30 is inconsistent, and the pretilt angle that liquid crystal molecule 30 has differs
Cause, especially in pixel electrode 18 or/and the initial major axis side of the recess or high spot of public electrode 23, i.e. liquid crystal molecule 30
To arrange it is inconsistent, refer to Fig. 3, Fig. 5 or Fig. 7, respectively to public electrode 23 and the applied voltage of pixel electrode 18 after, common electrical
Electric field is produced between pole 23 and pixel electrode 18, liquid crystal molecule 30 deflects in the presence of the electric field, due to liquid crystal molecule
Also inconsistent, liquid crystal molecule after 30 initial arrangement is inconsistent, thus liquid crystal molecule 30 deflects in the presence of the electric field
30 deflect after long axis direction arrangement it is also inconsistent, the yawing moment of liquid crystal molecule 30 is differed, that is to say, that liquid crystal point
The farmland variation of son 30, thus backlight can be caused through display panel and to project light direction when outside display panel various
Change, such that it is able to increase the visual angle of display device.
In the above-described embodiments, pixel electrode 18 only can be set to curved surface towards the surface of liquid crystal molecule 30, or,
Public electrode 23 only can also be set to curved surface towards the surface of liquid crystal molecule 30, or, it is also possible to by the court of pixel electrode 18
To the surface and public electrode 23 of liquid crystal molecule 30 curved surface is disposed as towards the surface of liquid crystal molecule 30.
In actual applications, by pixel electrode 18 towards the surface of liquid crystal molecule 30 be set to curved surface when, pixel electrode 18
Can include recessed area 182 in the outer convex region 181 of pixel electrode or/and pixel electrode, i.e. pixel electricity towards the surface of liquid crystal molecule 30
The curved surface of pole 18 has sunk area or/and raised zones, and pixel electrode 18 can be only included towards the surface of liquid crystal molecule 30
The outer convex region 181 of pixel electrode, it is also possible to only include recessed area 182 in pixel electrode, it is also possible to while including the outer convex region of pixel electrode
181 and pixel electrode in recessed area 182.
It is worthy of note that, it is assumed that pixel electrode 18 is being set to curved surface towards the surface of liquid crystal molecule 30, is being referred to
Fig. 2 to Fig. 7, pixel electrode 18 towards the surface of liquid crystal molecule 30 include pixel electrode outer convex region 181 when；Please continue to refer to Fig. 2
And Fig. 3, pixel electrode 18 can include the outer convex region 181 of pixel electrode towards the surface of liquid crystal molecule 30, please continue to refer to
Fig. 4 and Fig. 5, pixel electrode 18 can also include the outer convex region 181 of multiple pixel electrodes towards the surface of liquid crystal molecule 30.Pixel electricity
Pole 18 towards the surface of liquid crystal molecule 30 include pixel electrode in recessed area 182 when, table of the pixel electrode 18 towards liquid crystal molecule 30
Face can include recessed area 182 in a pixel electrode；Please continue to refer to Fig. 6 and Fig. 7, pixel electrode 18 is towards liquid crystal molecule 30
Surface can also include recessed area 182 in multiple pixel electrodes.
Pixel electrode 18 towards the surface of liquid crystal molecule 30 include pixel electrode outer convex region 181 when, the outer convex region of pixel electrode
181 can be the outer convex region of sphere；Pixel electrode 18 towards the surface of liquid crystal molecule 30 include pixel electrode in recessed area 182 when, as
Recessed area 182 is recessed area in sphere in plain electrode.Be so designed that, liquid crystal molecule 30 can be caused in the outer convex region 181 of pixel electrode or
The initial arrangement directional smoothing transition of recessed area 182 in pixel electrode, improves liquid crystal molecule 30 in the outer convex region 181 of pixel electrode or picture
The order in the initial arrangement direction of recessed area 182 in plain electrode, the backlight for improving the backlight module offer of display device passes through liquid
The penetrance of brilliant molecule 30.
By public electrode 23 towards the surface of liquid crystal molecule 30 be set to curved surface when, public electrode 23 is towards liquid crystal molecule 30
Surface can include recessed area in the outer convex region of public electrode or/and public electrode, i.e. the curved surface of public electrode 23 have depressed area
Domain or/and raised zones, public electrode 23 can only include the outer convex region of public electrode towards the surface of liquid crystal molecule 30, it is also possible to
Only include recessed area in public electrode, it is also possible to while including recessed area in the outer convex region of public electrode and public electrode.It is worth what is pointed out
It is that public electrode 23 is towards the surface of liquid crystal molecule 30 including that during convex region, can include outside a public electrode outside public electrode
Convex region, it is also possible to including the outer convex region of multiple public electrodes；Public electrode 23 includes public electrode towards the surface of liquid crystal molecule 30
During interior recessed area, recessed area in a public electrode can be included, it is also possible to including recessed area in multiple public electrodes.
Public electrode 23 towards the surface of liquid crystal molecule 30 include public electrode outer convex region when, the outer convex region of public electrode can be with
It is the outer convex region of sphere；Public electrode 23 towards the surface of liquid crystal molecule 30 include public electrode in recessed area when, public electrode indent
Area is recessed area in sphere.It is so designed that, the recessed area in the outer convex region of public electrode or public electrode of liquid crystal molecule 30 can be caused
Initial arrangement directional smoothing transition, improves the initial arrangement of the recessed area in the outer convex region of public electrode or public electrode of liquid crystal molecule 30
The order in direction, the backlight for improving the backlight module offer of display device passes through the penetrance of liquid crystal molecule 30.
Please continue to refer to Fig. 1, display panel provided in an embodiment of the present invention can be TN display panels, and the display panel is also
Including the first underlay substrate 10, the second underlay substrate 20, thin film transistor (TFT) 11, protective layer 17, black matrix 21, color film layer 22 and every
Underbed 24, wherein, the first underlay substrate 10 and the second underlay substrate 20 are relative and be arranged in parallel；Thin film transistor (TFT) 11 includes grid
12nd, gate insulator 13, active layer 14, source electrode 15 and drain electrode 16, grid 12 are located at the first underlay substrate 10 towards the second substrate
On the surface of substrate 20, covering table of the underlay substrate 10 of grid 12 and first towards the second underlay substrate 20 of gate insulator 13
Face, active layer 14 is located on gate insulator 13, and source electrode 15 and drain electrode 16 are set with layer, and source electrode 15 and drain electrode 16 are located at active layer
On 14；The covering of protective layer 17 source electrode 15, drain electrode 16 and gate insulator 13；Pixel electrode 18 is located on protective layer 17, pixel electricity
Pole 18 is connected through the via in protective layer 17 with drain electrode 16；Black matrix 21, color film layer 22, public electrode 23 and chock insulator matter 24 are successively
The second underlay substrate 20 is arranged on towards on the surface of the first underlay substrate 10；Be provided with thin film transistor (TFT) 11, protective layer 17, as
First underlay substrate 10 of plain electrode 18 and the second lining for being provided with black matrix 21, color film layer 22, public electrode 23, chock insulator matter 24
After substrate 20 is to box, chock insulator matter 24 is contacted with protective layer 17, and empty at the interval of public electrode 23 and pixel electrode 18, liquid crystal
Molecule 30 is infused in the cavity between public electrode 23 and pixel electrode 18.In above-mentioned display panel, the direction of pixel electrode 18
The surface of liquid crystal molecule 30 is in curved surface, or/and, public electrode 23 is in curved surface towards the surface of liquid crystal molecule 30.
The embodiment of the present invention also provides a kind of display device, and the display device includes the display as described in above-mentioned embodiment
Panel.
The display device had the advantage that relative to prior art with above-mentioned display panel it is identical, herein no longer go to live in the household of one's in-laws on getting married
State.
The manufacture method of the display panel that the embodiment of the present invention is also provided, for manufacturing the display as described in above-mentioned embodiment
Panel, the manufacture method of the display panel includes：Pixel electrode is formed, public electrode is formed, liquid crystal molecule is injected, wherein,
Pixel electrode is in curved surface towards the surface of liquid crystal molecule, or/and, public electrode is in curved surface towards the surface of liquid crystal molecule.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Divide mutually referring to what each embodiment was stressed is the difference with other embodiment.Especially for method reality
Apply for example, because it is substantially similar to device embodiment, so describing fairly simple, related part is referring to device embodiment
Part explanation.
Specifically, display panel provided in an embodiment of the present invention can be TN display panels, refer to Fig. 8, the display surface
The manufacture method of plate can include：
Step S1, one first underlay substrate of offer.
Step S2, thin film transistor (TFT) is formed on the first underlay substrate, thin film transistor (TFT) include grid, gate insulator,
Active layer, source electrode and drain electrode, grid are located on the first underlay substrate, gate insulator covering grid and the first underlay substrate, are had
Active layer is located on gate insulator, and source electrode and drain electrode are set with layer, and source electrode and drain electrode are located on active layer.
Step S3, protective layer is formed on thin film transistor (TFT), protective layer covering source electrode, drain and gate insulating barrier.
Step S4, pixel electrode is formed on the protection layer, pixel electrode is through the via in protective layer and thin film transistor (TFT)
Drain electrode connection, the surface of pixel electrode dorsad protective layer is in curved surface.
Step S5, one second underlay substrate of offer.
Step S6, black matrix is formed on second substrate.
Step S7, the color film layer of formation in black matrix.
Step S8, public electrode is formed in color film layer, the surface of public electrode dorsad color film layer is in curved surface.
Step S9, chock insulator matter is formed on public electrode.
Step S10, the first underlay substrate that will be formed with thin film transistor (TFT), protective layer, pixel electrode, and are formed with black square
Battle array, color film layer, public electrode, the second underlay substrate of chock insulator matter are to box, and color film layer is corresponding with pixel electrode, chock insulator matter and protect
Layer contact, public electrode is parallel with pixel electrode and relative.
Step S11, injection liquid crystal molecule, liquid crystal molecule are located between public electrode and pixel electrode.
It should be noted that on the first underlay substrate formed thin film transistor (TFT), protective layer, pixel electrode the step of with
The sequencing of the step of black matrix, color film layer, public electrode, chock insulator matter are formed on the second underlay substrate is not limited herein,
The step of forming thin film transistor (TFT), protective layer, pixel electrode on the first underlay substrate can be first completed, then is completed in the second lining
The step of black matrix, color film layer, public electrode, chock insulator matter are formed on substrate, it is also possible to first complete on the second underlay substrate
The step of forming black matrix, color film layer, public electrode, chock insulator matter, then complete to be formed on the first underlay substrate thin film transistor (TFT),
The step of protective layer, pixel electrode, it is also possible to while perform forming black matrix, color film layer, common electrical on the second underlay substrate
The step of pole, chock insulator matter and on the first underlay substrate formed thin film transistor (TFT), protective layer, pixel electrode the step of.
When pixel electrode is formed, pixel electrode can be formed using intermediate tone mask (Half Tone Mask, HTM),
Pixel electrode is formed using a patterning processes；When public electrode is formed, common electrical can be formed using intermediate tone mask
Pole, i.e., form public electrode using a patterning processes.It is so designed that, pixel electrode is formed using a patterning processes, uses
Patterning processes form public electrode, it is possible to reduce form processing step when pixel electrode, public electrode, while can be with
Save the cost of manufacture display panel.
In the description of above-mentioned implementation method, specific features, structure, material or feature can be at any one or many
Combined in an appropriate manner in individual embodiment or example.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of display panel, it is characterised in that including pixel electrode, public electrode and liquid crystal molecule, the pixel electrode court
Surface to the liquid crystal molecule is in curved surface, or/and, the public electrode is in curved surface towards the surface of the liquid crystal molecule.
2. display panel according to claim 1, it is characterised in that table of the pixel electrode towards the liquid crystal molecule
Face includes recessed area in the outer convex region of pixel electrode or/and pixel electrode.
3. display panel according to claim 2, it is characterised in that the outer convex region of the pixel electrode is the outer convex region of sphere,
Recessed area is recessed area in sphere in the pixel electrode.
4. display panel according to claim 1, it is characterised in that table of the public electrode towards the liquid crystal molecule
Face includes recessed area in the outer convex region of public electrode or/and public electrode.
5. display panel according to claim 4, it is characterised in that the outer convex region of the public electrode is the outer convex region of sphere,
Recessed area is recessed area in sphere in the public electrode.
6. display panel according to claim 1, it is characterised in that the display panel also include the first underlay substrate,
Second underlay substrate, thin film transistor (TFT), protective layer, black matrix, color film layer and chock insulator matter, wherein,
First underlay substrate and second underlay substrate are relative and be arranged in parallel；
The thin film transistor (TFT), the protective layer and the pixel electrode are successively set on first underlay substrate described in
On the surface of the second underlay substrate；
The black matrix, the color film layer, the public electrode and the chock insulator matter are successively set on second underlay substrate
Towards on the surface of first underlay substrate；And the chock insulator matter is contacted with the protective layer；
The liquid crystal molecule is located between the pixel electrode and the public electrode.
7. a kind of display device, it is characterised in that the display device includes the display surface as described in claim 1~6 is any
Plate.
8. a kind of manufacture method of display panel, it is characterised in that for manufacturing the display as described in claim 1~6 is any
Panel, the manufacture method of the display panel includes：
Pixel electrode is formed, public electrode is formed, liquid crystal molecule is injected, wherein, the pixel electrode is towards the liquid crystal molecule
Surface it is in curved surface, or/and, the public electrode is in curved surface towards the surface of the liquid crystal molecule.
9. the manufacture method of display panel according to claim 8, it is characterised in that form described using intermediate tone mask
Pixel electrode；The public electrode is formed using the intermediate tone mask.
10. the manufacture method of display panel according to claim 8, it is characterised in that before pixel electrode is formed, institute
The manufacture method for stating display panel also includes：
One first underlay substrate is provided；
Thin film transistor (TFT) and protective layer are sequentially formed on first underlay substrate, the pixel electrode is located at the protective layer
On, the pixel electrode is connected with the drain electrode of the thin film transistor (TFT)；
Before public electrode is formed, the manufacture method of the display panel also includes：
One second underlay substrate is provided；
Black matrix and color film layer are sequentially formed on second underlay substrate, the public electrode is located in the color film layer；
After public electrode is formed, the manufacture method of the display panel also includes：
Chock insulator matter is formed on the public electrode；
Before liquid crystal molecule is injected, the manufacture method of the display panel also includes：
First underlay substrate of the thin film transistor (TFT), the protective layer, the pixel electrode will be formed with, and be formed with
The black matrix, the color film layer, the public electrode, the second underlay substrate of the chock insulator matter are to box.
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| 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 |
| CN112526782B (en) * | 2020-12-07 | 2023-05-30 | 成都京东方显示科技有限公司 | Liquid crystal display panel and manufacturing method thereof |
| CN115421334A (en) * | 2022-09-20 | 2022-12-02 | 惠科股份有限公司 | Array substrate, preparation method of array substrate, display panel and display |
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Application publication date: 20170620 |