CN105093690B - Liquid crystal display substrate and the liquid crystal display device for including it - Google Patents
Liquid crystal display substrate and the liquid crystal display device for including it Download PDFInfo
- Publication number
- CN105093690B CN105093690B CN201510473559.0A CN201510473559A CN105093690B CN 105093690 B CN105093690 B CN 105093690B CN 201510473559 A CN201510473559 A CN 201510473559A CN 105093690 B CN105093690 B CN 105093690B
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- China
- Prior art keywords
- liquid crystal
- crystal display
- barricade
- main body
- return part
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Classifications
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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
-
- 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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
- G02F1/13394—Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars
-
- 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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
- G02F1/13396—Spacers having different sizes
Abstract
The present invention proposes a kind of liquid crystal display substrate and includes its liquid crystal display device.The liquid crystal display substrate includes substrate motherboard, and it has the viewing area for being used for being shown；It is arranged on the barricade of the non-display area of substrate motherboard；The alignment film of on the substrate motherboard and inner side in barricade is arranged on, wherein, barricade includes barricade main body and is arranged on the anti-return part of the inner side of barricade main body, and anti-return part compartment on the Longitudinal extending direction of barricade main body is distributed.The liquid crystal display substrate is avoided that viewing area light leak, ensures the display quality of liquid crystal display device.
Description
Technical field
The present invention relates to technical field of liquid crystal display, more particularly, to a kind of liquid crystal display substrate and the liquid crystal for including it
Showing device.
Background technology
Alignment film is the important feature in liquid crystal display substrate (array base palte, color membrane substrates), and its surface formed with
Orientation texture (such as the groove being distributed in a certain direction), so that required orientation occurs for the liquid crystal molecule being in contact with it.
Existing orientation membrane preparation method includes：Alignment liquid is applied to by base by the method for transfer or ink jet printing
On plate motherboard, alignment liquid is then being solidified to form alignment film by heating.
But in the preparation process of alignment film, after alignment liquid is applied on substrate motherboard, due to the stream of alignment liquid
The influence of dynamic property and the surface tension of alignment liquid, when it runs into the barricade for limiting viewing area, it may occur that backflow phenomenon.Just because of match somebody with somebody
Backflow to liquid causes the border of alignment liquid to be likely located within viewing area, in this case, the part liquid of viewing area
Crystalline substance can be because no alignment film causes light leak for its orientation, so as to influence the display quality of liquid crystal display.
The content of the invention
For the above-mentioned technical problem in the presence of prior art, the present invention propose a kind of liquid crystal display substrate and comprising
Its liquid crystal display device.The liquid crystal display substrate can effectively control reflux problem of the alignment liquid near barricade, ensure orientation
The border of film is not protruded past within viewing area, and thus improves the display quality of liquid crystal display device.
According to an aspect of the invention, it is proposed that a kind of liquid crystal display substrate, including：
Substrate motherboard, substrate motherboard have the viewing area for being used for being shown,
The barricade of the non-display area of substrate motherboard is arranged on,
The alignment film of on the substrate motherboard and inner side in barricade is arranged on,
Wherein, barricade includes barricade main body and is arranged on the anti-return part of the inner side of barricade main body, and anti-return part is in barricade
Compartment is distributed on the Longitudinal extending direction of main body.
In one embodiment, the area of section of the inner side of anti-return part is more than the area of section in outside.
In one embodiment, anti-return part is configured to trapezium structure.
In one embodiment, anti-return part include the first parallel longitudinal stripes with barricade main body and with first
The second stripes that shape portion is fixedly connected and extended by Inside To Outside.
In one embodiment, the second strip portion is located at the central area of the first stripes.
In one embodiment, it is provided with least one side of the inner side for facing barricade main body of anti-return part coarse
Structure.
In one embodiment, size of the inner side end of anti-return part on the longitudinal direction of barricade main body is 1-20 microns,
And the size of space of the inner side end of two adjacent anti-return parts on the longitudinal direction of barricade main body is 1-15 microns.
In one embodiment, anti-return part is fixedly connected with barricade main body.
In one embodiment, on the longitudinal direction of barricade main body, anti-return part is uniformly distributed.
According to another aspect of the invention, it is proposed that a kind of liquid crystal display device, it includes above-mentioned liquid crystal display substrate.
Compared with prior art, it is an advantage of the current invention that by setting anti-return part, during alignment film is prepared,
After gap of the alignment liquid through anti-return part flow to barricade main body, due to being provided with anti-return part, alignment liquid is less
Easily move inward again, to cause the border of alignment liquid to be always positioned at outside viewing area.Thus, anti-return part can prevent orientation
The backflow of liquid, reduce or avoid liquid crystal display device light leak risk.
Brief description of the drawings
The preferred embodiments of the present invention are described in detail below in conjunction with accompanying drawing, in figure：
Fig. 1 shows the top view of the first embodiment of the liquid crystal display substrate according to the present invention；
Fig. 2 shows the A-A sectional views from Fig. 1；
Fig. 3 shows enlarged drawing at the B from Fig. 1；
Fig. 4 shows the partial enlarged drawing of second embodiment；
Fig. 5 shows the partial enlarged drawing of 3rd embodiment；
Fig. 6 shows the partial enlarged drawing of fourth embodiment；
Fig. 7 shows the partial enlarged drawing of barricade of the prior art；
In the accompanying drawings, identical part uses identical reference, and accompanying drawing is not drawn according to the ratio of reality.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
Fig. 1,2 show according to the present invention liquid crystal display substrate 20 structure.As shown in Figure 1, 2, liquid crystal display substrate
20 include substrate motherboard 1, barricade 2, alignment film 3 and liquid crystal 4.Wherein, substrate motherboard 1 has the viewing area 5 for being used for being shown
(border is represented by interrupted thick line).Viewing area 5 be liquid crystal display substrate 20 after liquid crystal display device is assembled into, liquid crystal display
It can be seen by the user on substrate 20, for the region shown.Barricade 2 is arranged on the periphery of viewing area 5, and female by substrate
It is prominent on plate 1.Namely in non-display area, barricade 2 is used for the border for controlling alignment film 3 and liquid crystal 4, meets liquid crystal display substrate
20 display needs.Alignment film 3 is arranged in the area defined of barricade 2, thinks the orientation of liquid crystal 4.
In the prior art, barricade 2 is configured to square shape structure, as shown in Figure 7.During alignment film 3 is prepared, by
In the flowing of alignment liquid and the influence of surface tension, when alignment liquid runs into the inner side of barricade 2, it may occur that backflow phenomenon, to cause
The boundary line 6 (being represented with fine dotted line) of alignment film 3 is uneven, in addition alignment film 3 boundary line 6 can enter viewing area 5 (with
Thick dashed line represents boundary line) in.In these cases, then occur the partial liquid crystal 4 in viewing area 5 without alignment film 3 do orientation and
Light leak, so that the display quality of liquid crystal display device is affected.Meanwhile the liquid crystal display substrate with said structure is not
Beneficial to the liquid crystal display device for manufacturing narrow frame.
According to the present invention, in order to prevent alignment liquid from flowing back, ensure the border of alignment liquid in the outside of viewing area 5, such as Fig. 3 institutes
Show, barricade 2 includes barricade main body 7 and is arranged on the anti-return part 8 of the inner side of barricade main body 7.Anti-return part 8 is in barricade main body 7
Longitudinal extending direction on compartment distribution.It should be noted that in the longitudinal direction and Fig. 1 of barricade main body 7 along substrate motherboard 1
The direction extended around it is identical.Preferably, to ensure anti-return effect, anti-return part 8 is configured to the area of section on the inside of it
More than the area of section on the outside of it.By this set, during alignment film 3 is prepared, when alignment liquid passes through anti-return part 8
Between gap flow to the inner side of barricade main body 7 after, be more than its outside because anti-return part 8 is configured to area of section on the inside of it
Area of section so that alignment liquid in the gap reflux between anti-return part 8 to viewing area 5 by becoming relatively difficult.Thus,
The backflow of alignment liquid can be limited by anti-return part 8, is favorably improved the display quality of liquid crystal display device.
In order to improve the effect of anti-return, while anti-return part 8 is caused less to influence alignment liquid and flowed to the direction of barricade main body 7
Dynamic, then size of the inner side end of anti-return part 8 on the longitudinal direction of barricade main body 7 is 1-20 microns.And adjacent two are anti-
The size of space of the inner side end of return piece 8 on the longitudinal direction of barricade main body 7 is 1-15 microns.
In order to further improve the anti-return effect of anti-return part 8, in facing in barricade main body 7 for anti-return part 8
Coarse structure 9 (only showing schematically in Fig. 4) is provided with least one side of side.Coarse structure 9 can be located at anti-return
Micro groove in certain one side of part 8.Certain coarse structure 9 can also be nick hole or microprotrusion, as long as it can make to prevent back
It is roughening to flow some surfaces of part 8, and prevents alignment liquid from flowing back.
In one embodiment, anti-return part 8 is configured to trapezium structure, as shown in Figure 3.The anti-return part 8 of trapezium structure
Short side face close to barricade main body 7, and the long side face of anti-return part 8 is away from barricade main body 7.By this set, alignment film 3
Boundary line 6 (being represented with fine dotted line) is limited near anti-return part 8, closer to barricade main body 7, and the side away from viewing area 5
Boundary (is represented) with thick dashed line.
In another embodiment, anti-return part 8 is configured to laterally disposed "T"-shaped, including the longitudinal direction with barricade main body 7
The first parallel stripes 10 and the second stripes 11 for being fixedly connected with the first stripes 10 and being extended by Inside To Outside, such as
Shown in Fig. 5.During liquid crystal display substrate 20 is prepared, alignment liquid flows to barricade by the gap between the first stripes 10
Near main body 7, in the presence of the first stripes 10, alignment liquid is limited between the first stripes 10 and barricade main body 7.By
This, viewing area 5 is not protruded past (with thick dashed line table by the boundary line 6 (being represented with fine dotted line) of above-mentioned setting alignment film 3
Show its border) within.Preferably, in order that the irregular scope for obtaining the boundary line 6 of alignment film 3 is smaller, boundary line 6 more they tends to directly
Line, it is preferable that the second stripes 11 are located at the central area of the first stripes 10.It is, the both ends of the first stripes 10 are closed
It is symmetrical in the second stripes 11.
It should be noted that anti-return part 8 can be fixedly connected with barricade main body 7, as shown in Figure 3,4.In such case
Under, the manufacturing process of barricade 2 can be simplified, reduce manufacturing cost.Certainly, anti-return part 8 can also separate with barricade main body 7,
I.e. anti-return part 8 is not connected with barricade main body 7, as shown in Figure 5,6.In this case, anti-return part 8 outside (
Just it is proximate to the side of barricade main body 7) certain resistance can be also produced to alignment film, play certain anti-return effect.Thus,
The anti-return effect of barricade 2 of this structure is more preferable.
It should be noted that anti-return part 8 may be arranged as other structures, such as triangle, it is mushroom-shaped etc..Set also
Strip can be arranged to.And this setup, it is predictable for those skilled in the art, is omitted here and retouches in detail
State.Thus, as long as the anti-return part 8 of anti-return effect can be played, no matter its structure type, the protection of the present invention all should be fallen into
Within the scope of.
In order to easily manufactured, on the longitudinal direction of barricade main body 7, anti-return part 8 is uniformly distributed.In a liquid crystal display substrate
On 20, the structure type and shape of anti-return part 8 can be the same or different.It is, on a liquid crystal display substrate 20,
Anti-return part 8 it is so structured that trapezoidal, triangle, it is mushroom-shaped or it is horizontal it is "T"-shaped in one or more.
In the application, term " inner side " refer to close to liquid crystal display substrate 20 center side, term " outside " with it is " interior
Side " in the opposite direction, and refers to the side at the center away from liquid crystal display substrate 20.
It is proposed according to the present invention to a kind of liquid crystal display device (not shown), it includes above-mentioned liquid crystal display substrate
20.It should be noted that liquid crystal display device also includes some other structures and part, and these structures and part are abilities
Known to field technique personnel, detailed description is omitted here.
The preferred embodiment of the present invention is the foregoing is only, but the scope of the present invention is not limited thereto, Ren Heben
The technical staff in field easily can be changed or change in technical scope disclosed by the invention, and this change or change
Change should be all included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Enclose and be defined.
Claims (9)
- A kind of 1. liquid crystal display substrate, it is characterised in that including：Substrate motherboard, the substrate motherboard have the viewing area for being used for being shown,The barricade of the non-display area of the substrate motherboard is arranged on,The alignment film of on the substrate motherboard and inner side in the barricade is arranged on,Wherein, the barricade includes barricade main body and is arranged on the anti-return part of the inner side of the barricade main body, the anti-return Part compartment on the Longitudinal extending direction of the barricade main body is distributed,The area of section of the inner side of the anti-return part is more than the area of section in outside.
- 2. liquid crystal display substrate according to claim 1, it is characterised in that the anti-return part is configured to trapezium structure.
- 3. liquid crystal display substrate according to claim 1, it is characterised in that the anti-return part includes and the barricade master The first parallel longitudinal stripes of body and the Article 2 for being fixedly connected with first stripes and being extended by Inside To Outside Shape portion.
- 4. liquid crystal display substrate according to claim 3, it is characterised in that the second strip portion is located at described first The central area in shape portion.
- 5. the liquid crystal display substrate according to any one of claim 1 to 4, it is characterised in that in the anti-return part Face and be provided with coarse structure at least one side of the inner side of the barricade main body.
- 6. the liquid crystal display substrate according to any one of claim 1 to 4, it is characterised in that the anti-return part it is interior Size of the side end face on the longitudinal direction of the barricade main body is 1-20 microns, and the inner side of adjacent two anti-return parts The size of space of the end face on the longitudinal direction of the barricade main body is 1-15 microns.
- 7. the liquid crystal display substrate according to any one of claim 1 to 4, it is characterised in that the anti-return part and institute Barricade main body is stated to be fixedly connected.
- 8. the liquid crystal display substrate according to any one of claim 1 to 4, it is characterised in that in the barricade main body On longitudinal direction, the anti-return part is uniformly distributed.
- 9. a kind of liquid crystal display device, it is characterised in that including the liquid crystal display according to any one of claim 1 to 8 Substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510473559.0A CN105093690B (en) | 2015-08-05 | 2015-08-05 | Liquid crystal display substrate and the liquid crystal display device for including it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510473559.0A CN105093690B (en) | 2015-08-05 | 2015-08-05 | Liquid crystal display substrate and the liquid crystal display device for including it |
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| Publication Number | Publication Date |
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| CN105093690A CN105093690A (en) | 2015-11-25 |
| CN105093690B true CN105093690B (en) | 2018-03-02 |
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| CN105467687B (en) * | 2016-01-08 | 2018-06-22 | 深圳市华星光电技术有限公司 | Liquid crystal display and its manufacturing method |
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| CN107357091A (en) * | 2017-07-06 | 2017-11-17 | 昆山龙腾光电有限公司 | Display panel and display device |
| CN108983475B (en) * | 2018-08-29 | 2021-10-29 | Tcl华星光电技术有限公司 | Liquid crystal display and substrate structure thereof |
| CN109324446B (en) * | 2018-12-03 | 2020-12-18 | 惠科股份有限公司 | Display panel, manufacturing method and display device |
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| CN111025768B (en) * | 2019-12-05 | 2021-02-26 | Tcl华星光电技术有限公司 | Display panel and liquid crystal display device |
| CN111045259B (en) * | 2019-12-27 | 2022-09-27 | Tcl华星光电技术有限公司 | Display panel and preparation method thereof |
| CN111142288B (en) * | 2020-02-25 | 2021-06-01 | Tcl华星光电技术有限公司 | Liquid crystal display device having a plurality of pixel electrodes |
| CN112198690A (en) * | 2020-10-16 | 2021-01-08 | 武汉华星光电技术有限公司 | Display panel |
| CN112198722A (en) * | 2020-10-29 | 2021-01-08 | 南京中电熊猫液晶显示科技有限公司 | Liquid crystal display panel |
| CN113178536B (en) * | 2021-04-23 | 2023-03-28 | 京东方科技集团股份有限公司 | Display substrate and display device |
| CN114442381A (en) * | 2022-03-07 | 2022-05-06 | 苏州华星光电技术有限公司 | Display panel and display device |
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| CN105093690A (en) | 2015-11-25 |
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