CN105204237B - A kind of liquid crystal display panel and display device - Google Patents
A kind of liquid crystal display panel and display device Download PDFInfo
- Publication number
- CN105204237B CN105204237B CN201510651229.6A CN201510651229A CN105204237B CN 105204237 B CN105204237 B CN 105204237B CN 201510651229 A CN201510651229 A CN 201510651229A CN 105204237 B CN105204237 B CN 105204237B
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- barricade
- display area
- liquid crystal
- area
- crystal display
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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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
-
- 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
Abstract
The invention discloses a kind of liquid crystal display panel and display devices.The liquid crystal display panel includes: substrate, has the sealing area for the display area of display and for sealing;Barricade is formed on substrate, and between sealing area and display area;Wherein, barricade is equipped with coarse structure close to the side of display area.Through the above way, the coarse structure that the present invention can pass through barricade side in the coating procedure of alignment film reduces alignment liquid to the impact force of barricade, enhance alignment liquid to the adhesive force of barricade simultaneously, makes orientation film thickness non-uniform problem occur so that alignment liquid be inhibited to be back to display area.In addition, the precision of alignment film coating and the efficiency of coating can be improved in the setting of barricade, and then improve the product yield of liquid crystal display panel.
Description
Technical field
The present invention relates to field of liquid crystal display, more particularly to a kind of liquid crystal display panel and display device.
Background technique
Alignment film (Polyimide, PI) coating is an important processing step in liquid crystal display panel production process,
An and important link for causing liquid crystal display panel to show.During the coating of PI film, it is more overstocked to be easy to appear PI film
Envelope region causes later period sealing to occur puncturing so that sealant falls off, and then the problem of seal failure occurs.To solve above-mentioned ask
Topic, a kind of existing solution are to coat PI film far from sealing area, but be easy to appear PI film in this way and can not be completely covered
Display area, and then there is the problem of liquid crystal display panel can not normally be shown.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of liquid crystal display panel and display devices, can be in alignment film
Coating procedure in reduce alignment liquid to the impact force of barricade, while enhancing alignment liquid to the adhesive force of barricade, to prevent from matching
The phenomenon that being back to display area to liquid.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of liquid crystal display panel is provided, is wrapped
Include: substrate has the sealing area for the display area of display and for sealing;Barricade is formed on substrate, and is located at close
It seals between region and display area;Wherein, locating barricade is equipped with coarse structure close to the side of display area.
Wherein, coarse structure is concaveconvex structure.
Wherein, coarse structure is broached-tooth design.
Wherein, the outer peripheral distance of the inward flange of barricade to display area is greater than the outer edge of barricade to sealing area
The distance of inward flange.
Wherein, which further comprises alignment film, and alignment film is set on substrate and covers display area, alignment film
Outside edge contacts barricade, the thickness of alignment film are less than the height of barricade.
Wherein, which further comprises the sealant for being set to the sealing area of substrate.
Wherein, sealant is arranged in a ring around display area.
Wherein, barricade is arranged in a ring around display area.
Wherein, substrate is color membrane substrates.
In order to solve the above technical problems, another technical solution used in the present invention is: a kind of liquid crystal display device is provided,
Including above-mentioned liquid crystal display panel.
The beneficial effects of the present invention are: liquid crystal display panel and display device of the invention passes through the sealing area in substrate
Barricade is set between display area, thus while ensure that display area is completely covered in alignment film in coating procedure, no
Will appear alignment film cross sealing area cause the later period sealing occur puncturing so that sealant falls off, and then seal failure occurs
Problem.Further, by the way that coarse structure is arranged close to the side of display area in barricade, contact of the alignment liquid with barricade is increased
Area to reduce alignment liquid to the impact force of barricade, while enhancing alignment liquid to the adhesive force of barricade, and then inhibit
Alignment liquid is back to display area and orientation film thickness is made non-uniform problem occur.In addition, the setting of barricade can be improved and match
The efficiency of the precision and coating that are coated to film, and then improve the product yield of liquid crystal display panel.
Detailed description of the invention
Fig. 1 is the overlooking structure diagram of the liquid crystal display panel of first embodiment of the invention;
Fig. 2 is the schematic diagram of the section structure of the liquid crystal display panel of first embodiment of the invention;
Fig. 3 A-3F is the structural schematic diagram in first embodiment of the invention in the processing procedure of barricade;
Fig. 3 is the schematic diagram of the section structure of the liquid crystal display panel of second embodiment of the invention;
Fig. 4 is the structural schematic diagram of liquid crystal display device of the embodiment of the present invention.
Specific embodiment
Some vocabulary is used in specification and claims to censure specific component, the skill in fields
Art personnel are, it is to be appreciated that manufacturer may call same component with different nouns.Present specification and claims
Not in such a way that the difference of title is as component is distinguished, but with the difference of component functionally as the base of differentiation
It is quasi-.The present invention is described in detail with reference to the accompanying drawings and examples.
It is the plan structure signal of the liquid crystal display panel of first embodiment of the invention please also refer to Fig. 1 and Fig. 2, Fig. 1
Figure, Fig. 2 is the schematic diagram of the section structure of the liquid crystal display panel of first embodiment of the invention.As depicted in figs. 1 and 2, liquid crystal
Show that panel 10 includes substrate 11, barricade 12, alignment film 13 and sealant 14.
In the present embodiment, substrate 11 is preferably color membrane substrates, and substrate 11 has the display area AA and use for display
In the sealing area 112 of sealing.Display area AA is LCD display after liquid crystal display panel 10 is assembled into liquid crystal display device
Region being seen by the user on plate 10, for being shown.There is thin film transistor (TFT) array, pixel electricity in the AA of display area
The structure for being shown such as pole, color film, black matrix.Wherein, the region outside the AA of display area is non-display area, can quilt
The frame of liquid crystal display device is covered, wherein sealing area 112 is located at non-display area.
Barricade 12 is formed on substrate 11, and between display area AA and sealing area 112.Preferably, barricade 12
Positioned at non-display area, the outer edge that the outer peripheral distance a of inward flange to the display area AA of barricade 12 are greater than barricade 12 is arrived
The distance b of the inward flange of sealing area 112, so as to precisely control liquid crystal display panel especially small size liquid crystal display
The coating precision of alignment liquid in panel, and then improve product yield.
Alignment film 13 is set on substrate 11 and covers display area AA, and the outside edge contacts barricade 12 of alignment film 13 is excellent
Selection of land, the thickness of alignment film 13 are less than the height of barricade 12, wherein barricade 12 it is highly preferred in 3.2 microns.Sealant
14 are set to the sealing area 112 of substrate 11, and outer edge and barricade 12 interval of sealant 14 are arranged.Preferably, sealant 14
It is arranged in a ring around display area AA.
In the present embodiment, when being applied on substrate 11 due to the alignment liquid with barricade 12, formation alignment film 13,
Outer can be contacted with barricade 12, be applied to sealing area 112 so as to be effectively prevented alignment liquid, and then can effectively prevent
Only alignment film 13, which crosses sealing area 112, causes later period sealing to occur puncturing so that sealant 14 falls off, and then sealing occurs and lose
The problem of effect.
Wherein, during forming alignment film 13, barricade 12 needs to bear the biggish impact force of alignment liquid, and alignment liquid
It will appear the problem of being back to display area AA after being stopped by barricade 12.In order to reduce alignment liquid to the impact force of barricade 12,
And then alignment liquid is inhibited to be back to display area AA, coarse structure 121 is equipped with close to the side of display area AA in barricade 12.?
In the present embodiment, coarse structure 121 is concaveconvex structure, and the setting of concaveconvex structure can increase the contact surface of alignment liquid Yu barricade 12
Product, to reduce alignment liquid to the impact force of barricade 12, while enhancing alignment liquid to the adhesive force of barricade 12.
In the present embodiment, barricade 12 is arranged in a ring around display area AA.That is, barricade 12 preferably about
Display area AA forms an enclosed construction, to be optimal reduces alignment liquid to the effect of the impact force of barricade 12.At it
In its embodiment, barricade 12 can also be interrupted in portion to be arranged, for example, not having barricade outside certain side of display area AA
12。
In the present embodiment, the material of barricade 12 is resin.In other embodiments, the material of barricade 12 may be gold
Category, inorganic non-metallic material etc., as long as its performance for not influencing substrate 11 and alignment film 13.
In the present embodiment, the barricade 12 with coarse structure 121 is integrally formed, particular by hierarchical technique shape
At.Please also refer to Fig. 3 A-3F, Fig. 3 A-3F is the structural schematic diagram in first embodiment of the invention in the processing procedure of barricade.Such as
Shown in Fig. 3 A-3F, after forming first gear wall layers 20 (see Fig. 3 A) by film-forming process on the substrate 11, pass through first time photoetching work
Skill removes part unwanted in first gear wall layers 20, the first L-shaped barricade portion 21 (see Fig. 3 B) is formed, in first gear
The first photoresist layer 22 is filled in wall portion 21, then passes through film-forming process in the first barricade portion 21 for being filled with the first photoresist layer 22
It is formed second gear wall layers 23 (see Fig. 3 C), is then gone to part unwanted in second gear wall layers 23 by second of photoetching process
It removes, forms the second L-shaped barricade portion 24 (see Fig. 3 D) ... being superimposed upon in the first barricade portion 21 and repeat the above steps, directly
Height to the multiple barricade portions being overlapped mutually reaches scheduled height, finally, in the L-shaped barricade portion 25 eventually formed
The last layer photoresist layer 26 is filled, then in the L-shaped barricade portion 25 eventually formed for being filled with the last layer photoresist layer 26
It is upper that the last layer barricade layer 27 (see Fig. 3 E) is formed by film-forming process, finally remove the light in the multiple barricade portions being overlapped mutually
The barricade 12 with coarse structure 121 can be obtained in resistance (see Fig. 3 F).Wherein, coarse structure 121 is concaveconvex structure.
It is the schematic diagram of the section structure of the liquid crystal display panel of second embodiment of the invention please also refer to Fig. 3, Fig. 3.Its
In, the liquid crystal of the overlooking structure diagram of the liquid crystal display panel of second embodiment of the invention and first embodiment shown in FIG. 1
The overlooking structure diagram of display panel is identical, for the sake of brief, repeats no more.
As shown in figure 3, the liquid crystal of the liquid crystal display panel 20 of second embodiment of the invention and first embodiment shown in Fig. 2
The difference of display panel 10 are as follows:
Coarse structure 121 in liquid crystal display panel 10 is concaveconvex structure, and the coarse structure in liquid crystal display panel 20
122 be broached-tooth design.
It will be understood to those skilled in the art that in other embodiments, the side of barricade 12 is close to display area AA's
Coarse structure may be the other structures different from concaveconvex structure, broached-tooth design, as long as it can increase alignment liquid and barricade 12
Contact area.
In addition, it will be understood to those skilled in the art that in other embodiments, liquid crystal display panel can also shown
The different barricade for being provided with coarse structure of multiple height, such as two barricades, three are formed between region AA and sealing area 112
A barricade, wherein barricade is arranged in close to the side of display area AA in coarse structure, and the height of multiple barricades is along towards viewing area
The direction of domain AA is gradually lowered, so that alignment liquid is assigned to multiple and different barricades to the impact force of barricade, so as to more
Alignment liquid is reduced well to the impact force of barricade 12, and then preferably inhibits the phenomenon that alignment liquid is back to display area.
Fig. 4 is the structural schematic diagram of the liquid crystal display device of the embodiment of the present invention.As shown in figure 4, liquid crystal display device 1 wraps
Above-mentioned liquid crystal display panel 10 or liquid crystal display panel 20 are included.
The beneficial effects of the present invention are: liquid crystal display panel and display device of the invention passes through the sealing area in substrate
Barricade is set between display area, thus while ensure that display area is completely covered in alignment film in coating procedure, no
Will appear alignment film cross sealing area cause the later period sealing occur puncturing so that sealant falls off, and then seal failure occurs
Problem.Further, by the way that coarse structure is arranged close to the side of display area in barricade, contact of the alignment liquid with barricade is increased
Area to reduce alignment liquid to the impact force of barricade, while enhancing alignment liquid to the adhesive force of barricade, and then inhibit
Alignment liquid is back to display area and orientation film thickness is made non-uniform problem occur.In addition, the setting of barricade can be improved and match
The efficiency of the precision and coating that are coated to film, and then improve the product yield of liquid crystal display panel.
Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, all to utilize this
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field is included within the scope of the present invention.
Claims (5)
1. a kind of liquid crystal display panel characterized by comprising
Substrate has the sealing area for the display area of display and for sealing;
Barricade is formed on the substrate, and between the sealing area and the display area;
Wherein, locating barricade is equipped with coarse structure close to the side of the display area;
Wherein, the barricade with the coarse structure is integrally formed, and the barricade is formed by hierarchical technique;
Wherein, the coarse structure is concaveconvex structure, and the barricade includes multiple L-shaped barricade portions being overlapped mutually;
Wherein, the outer peripheral distance of the inward flange of the barricade to the display area is greater than the outer edge of the barricade to institute
State the distance of the inward flange of sealing area;
Wherein, the panel further comprises the sealant for being set to the sealing area of the substrate, and the sealant encloses
It is arranged in a ring around the display area;
Wherein, the barricade with the coarse structure is multiple, and the height of multiple barricades is along towards the viewing area
The direction in domain gradually decreases.
2. panel according to claim 1, which is characterized in that the panel further comprises alignment film, the alignment film
It is set on the substrate and covers the display area, barricade described in the outside edge contacts of the alignment film, the alignment film
Thickness be less than the barricade height.
3. panel according to claim 1, which is characterized in that the barricade is arranged in a ring around the display area.
4. panel according to claim 1, which is characterized in that the substrate is color membrane substrates.
5. a kind of liquid crystal display device, which is characterized in that including LCD display described in any one of Claims 1 to 4
Plate.
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CN201510651229.6A CN105204237B (en) | 2015-10-09 | 2015-10-09 | A kind of liquid crystal display panel and display device |
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CN201510651229.6A CN105204237B (en) | 2015-10-09 | 2015-10-09 | A kind of liquid crystal display panel and display device |
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CN105204237B true CN105204237B (en) | 2019-05-03 |
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Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
CN105785668A (en) * | 2016-05-11 | 2016-07-20 | 京东方科技集团股份有限公司 | Display substrate, preparation method thereof and display device |
CN106200165B (en) * | 2016-08-11 | 2019-08-02 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and its tft array substrate |
CN109324446B (en) * | 2018-12-03 | 2020-12-18 | 惠科股份有限公司 | Display panel, manufacturing method and display device |
CN208999727U (en) * | 2018-12-05 | 2019-06-18 | 惠科股份有限公司 | Display panel and display device |
CN109557725A (en) * | 2018-12-19 | 2019-04-02 | 惠科股份有限公司 | The manufacturing method of display panel, display device and display panel |
CN109671866B (en) * | 2018-12-21 | 2021-02-02 | 武汉华星光电半导体显示技术有限公司 | Retaining wall structure of display module |
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 |
CN113514987B (en) * | 2021-06-30 | 2022-09-27 | 惠科股份有限公司 | Display panel and display device |
CN114442378B (en) * | 2022-03-21 | 2022-12-30 | 绵阳惠科光电科技有限公司 | Display substrate and liquid crystal display panel |
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CN1904699A (en) * | 2005-07-27 | 2007-01-31 | 中华映管股份有限公司 | Base plate structure for forming alignment layer by ink jet method and liquid crystal panel produced therewith |
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