CN105204237A - Liquid crystal display panel and display device - Google Patents
Liquid crystal display panel and display device Download PDFInfo
- Publication number
- CN105204237A CN105204237A CN201510651229.6A CN201510651229A CN105204237A CN 105204237 A CN105204237 A CN 105204237A CN 201510651229 A CN201510651229 A CN 201510651229A CN 105204237 A CN105204237 A CN 105204237A
- Authority
- CN
- China
- Prior art keywords
- barricade
- viewing area
- alignment film
- substrate
- area
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- 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 liquid crystal display panel and a display device. The liquid crystal display panel comprises a substrate and a stopping wall, wherein the substrate comprises a display area used for displaying and a sealing area used for sealing, and the stopping wall is formed on the substrate and located between the sealing area and the display area. A coarse structure is arranged on the lateral side, near the display area, of the stopping wall. In this way, by means of the liquid crystal display panel and the display device, the impact force of alignment liquid to the stopping wall can be reduced through the coarse structure of the lateral side of the stopping wall in the coating process of an alignment film; meanwhile, the adhesive force of the alignment liquid to the stopping wall is increased, and therefore the problem that as the alignment liquid refluxes to the display area, the thickness of the alignment film is uneven is solved. In addition, the coating accuracy and the coating efficiency of the alignment film can be improved by arranging the stopping wall, and then the product yield of the liquid crystal display panel is increased.
Description
Technical field
The present invention relates to field of liquid crystal display, particularly relate to a kind of display panels and display device.
Background technology
Alignment film (Polyimide, PI) coating is the important processing step of in display panels production run one, is also the important step causing display panels to show.In the process of PI film coating, easily occur that PI film is crossed sealing area and caused later stage sealing to occur that puncture makes fluid sealant come off, and then occur the problem of seal failure.For solving the problem, existing a kind of solution is by the coating of PI film away from sealing area, but the easy like this PI of appearance film cannot cover viewing area completely, and then occurs the problem that display panels cannot normally show.
Summary of the invention
The technical matters that the present invention mainly solves is to provide a kind of display panels and display device, the impulsive force of alignment liquid to barricade can be reduced in the coating procedure of alignment film, strengthen alignment liquid to the adhesion of barricade simultaneously, thus prevent alignment liquid to be back to the phenomenon of viewing area.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: providing a kind of display panels, comprising: substrate, having the viewing area for showing and the sealing area for sealing; Barricade, is formed on substrate, and between sealing area and viewing area; Wherein, residing barricade is provided with coarse structure near the side of viewing area.
Wherein, coarse structure is concaveconvex structure.
Wherein, coarse structure is broached-tooth design.
Wherein, the inward flange of barricade is greater than the distance of outward flange to the inward flange of sealing area of barricade to the outer peripheral distance of viewing area.
Wherein, this panel comprises alignment film further, and alignment film is arranged on substrate and covering viewing area, and the outside edge contacts barricade of alignment film, the thickness of alignment film is less than the height of barricade.
Wherein, this panel comprises the fluid sealant of the sealing area being arranged at substrate further.
Wherein, fluid sealant is arranged ringwise around viewing area.
Wherein, barricade is arranged ringwise around viewing area.
Wherein, substrate is color membrane substrates.
For solving the problems of the technologies described above, another technical solution used in the present invention is: provide a kind of liquid crystal indicator, comprises above-mentioned display panels.
The invention has the beneficial effects as follows: display panels of the present invention and display device by arranging barricade between the sealing area and viewing area of substrate, thus while ensure that alignment film covers viewing area completely in coating procedure, there will not be alignment film to cross sealing area causes later stage sealing to occur that puncture makes fluid sealant come off, and then occurs the problem of seal failure.Further, by arranging coarse structure at the side of barricade near viewing area, increase the contact area of alignment liquid and barricade, thus decrease the impulsive force of alignment liquid to barricade, enhance the adhesion of alignment liquid to barricade simultaneously, and then inhibit alignment liquid to be back to viewing area to make alignment film thickness occur uneven problem.In addition, arranging of barricade can improve the precision of alignment film coating and the efficiency of coating, and then improves the product yield of display panels.
Accompanying drawing explanation
Fig. 1 is the plan structure schematic diagram of the display panels of first embodiment of the invention;
Fig. 2 is the cross-sectional view of the display panels of first embodiment of the invention;
Fig. 3 A-3F is the structural representation in the processing procedure of barricade in first embodiment of the invention;
Fig. 3 is the cross-sectional view of the display panels of second embodiment of the invention;
Fig. 4 is the structural representation of embodiment of the present invention liquid crystal indicator.
Embodiment
In the middle of instructions and claims, employ some vocabulary to censure specific assembly, one of skill in the art should understand, and same assembly may be called with different nouns by manufacturer.This specification and claims book is not used as with the difference of title the mode distinguishing assembly, but is used as the benchmark of differentiation with assembly difference functionally.Below in conjunction with drawings and Examples, the present invention is described in detail.
Be the plan structure schematic diagram of the display panels of first embodiment of the invention please also refer to Fig. 1 and Fig. 2, Fig. 1, Fig. 2 is the cross-sectional view of the display panels of first embodiment of the invention.As depicted in figs. 1 and 2, display panels 10 comprises substrate 11, barricade 12, alignment film 13 and fluid sealant 14.
In the present embodiment, substrate 11 is preferably color membrane substrates, and substrate 11 has the viewing area AA for showing and the sealing area 112 for sealing.Viewing area AA is after display panels 10 is assembled into liquid crystal indicator, display panels 10 can be seen by user, for carrying out the region shown.There are thin film transistor (TFT) array, pixel electrode, color film, black matrix etc. for carrying out the structure shown in the AA of viewing area.Wherein, the region outside the AA of viewing area is non-display area, its can cover by the frame of liquid crystal indicator, wherein, sealing area 112 is positioned at non-display area.
Barricade 12 is formed on substrate 11, and between viewing area AA and sealing area 112.Preferably, barricade 12 is positioned at non-display area, the inward flange of barricade 12 is greater than the distance b of outward flange to the inward flange of sealing area 112 of barricade 12 to the outer peripheral distance a of viewing area AA, thus the coating precision of the alignment liquid of display panels especially in small size display panels can be controlled more accurately, and then improve product yield.
Alignment film 13 to be arranged on substrate 11 and to cover viewing area AA, and the outside edge contacts barricade 12 of alignment film 13, preferably, the thickness of alignment film 13 is less than the height of barricade 12, and wherein, the height of barricade 12 is preferably at 3.2 microns.Fluid sealant 14 is arranged at the sealing area 112 of substrate 11, and outward flange and barricade 12 interval of fluid sealant 14 are arranged.Preferably, fluid sealant 14 is arranged ringwise around viewing area AA.
In the present embodiment, owing to having barricade 12, when the alignment liquid of formation alignment film 13 is applied on substrate 11, its outer can contact with barricade 12, thus can effectively prevent alignment liquid to be applied to sealing area 112, and then can effectively prevent from alignment film 13 from crossing sealing area 112 causing the later stage to seal occurring that puncture makes fluid sealant 14 come off, and then occur the problem of seal failure.
Wherein, in the process forming alignment film 13, barricade 12 needs to bear the larger impulsive force of alignment liquid, and alignment liquid there will be the problem being back to viewing area AA after being stopped by barricade 12.In order to reduce the impulsive force of alignment liquid to barricade 12, and then suppressing alignment liquid to be back to viewing area AA, being provided with coarse structure 121 at barricade 12 near the side of viewing area AA.In the present embodiment, coarse structure 121 is concaveconvex structure, concaveconvex structure the contact area that can increase alignment liquid and barricade 12 is set, thus reduce alignment liquid to the impulsive force of barricade 12, simultaneously strengthen alignment liquid to the adhesion of barricade 12.
In the present embodiment, barricade 12 is arranged ringwise around viewing area AA.That is, barricade 12 preferably forms an enclosed construction around viewing area AA, optimally reduces alignment liquid to the effect of the impulsive force of barricade 12 to reach.In other embodiments, barricade 12 also can be interrupted setting at portion, such as, outside certain side of viewing area AA, does not have barricade 12.
In the present embodiment, the material of barricade 12 is resin.In other embodiments, the material of barricade 12 can be also metal, Inorganic Non-metallic Materials etc., as long as it does not affect the performance of substrate 11 and alignment film 13.
In the present embodiment, the barricade 12 with coarse structure 121 is one-body molded, and it is formed particular by hierarchical technique.Please also refer to the structural representation that Fig. 3 A-3F, Fig. 3 A-3F is in the processing procedure of barricade in first embodiment of the invention.As illustrated in figs. 3a-f, after forming first gear wall layers 20 (see Fig. 3 A) by film-forming process on the substrate 11, by first time photoetching process, part unwanted in first gear wall layers 20 is removed, form the first L-shaped barricade portion 21 (see Fig. 3 B), first barricade portion 21 fills the first photoresist layer 22, then in the first barricade portion 21 being filled with the first photoresist layer 22, second gear wall layers 23 (see Fig. 3 C) is formed by film-forming process, then by second time photoetching process, part unwanted in second gear wall layers 23 is removed, form the second L-shaped barricade portion 24 (see Fig. 3 D) be superimposed upon in the first barricade portion 21, repeat above-mentioned steps, until the height in multiple barricade portions of superposition mutually reaches predetermined height, finally, last one deck photoresist layer 26 is filled in the L-shaped barricade portion 25 in the end formed, then in the L-shaped barricade portion 25 of last formation being filled with last one deck photoresist layer 26, last one deck barricade layer 27 (see Fig. 3 E) is formed by film-forming process, finally the photoresistance removed in multiple barricade portions of superposition mutually can obtain the barricade 12 (see Fig. 3 F) with coarse structure 121.Wherein, coarse structure 121 is concaveconvex structure.
It is the cross-sectional view of the display panels of second embodiment of the invention please also refer to Fig. 3, Fig. 3.Wherein, the plan structure schematic diagram of the display panels of second embodiment of the invention is identical with the plan structure schematic diagram of the display panels of the first embodiment shown in Fig. 1, for the purpose of brief, repeats no more.
As shown in Figure 3, being distinguished as of the display panels 20 of second embodiment of the invention and the display panels 10 of the first embodiment shown in Fig. 2:
Coarse structure 121 in display panels 10 is concaveconvex structure, and the coarse structure 122 in display panels 20 is broached-tooth design.
It will be appreciated by those skilled in the art that, in other embodiments, the side of barricade 12 also can for being different from other structure of concaveconvex structure, broached-tooth design near the coarse structure of viewing area AA, as long as it can increase the contact area of alignment liquid and barricade 12.
In addition, it will be appreciated by those skilled in the art that, in other embodiments, display panels also can form the different barricade being provided with coarse structure of multiple height between viewing area AA and sealing area 112, such as two barricades, three barricades, wherein, coarse structure is arranged on the side of barricade near viewing area AA, the height of multiple barricade lowers gradually along the direction towards viewing area AA, the impulsive force of alignment liquid to barricade is made to be assigned to multiple different barricade, thus the impulsive force of alignment liquid to barricade 12 can be reduced better, and then suppress alignment liquid to be back to the phenomenon of viewing area better.
Fig. 4 is the structural representation of the liquid crystal indicator of the embodiment of the present invention.As shown in Figure 4, liquid crystal indicator 1 includes above-mentioned display panels 10 or display panels 20.
The invention has the beneficial effects as follows: display panels of the present invention and display device by arranging barricade between the sealing area and viewing area of substrate, thus while ensure that alignment film covers viewing area completely in coating procedure, there will not be alignment film to cross sealing area causes later stage sealing to occur that puncture makes fluid sealant come off, and then occurs the problem of seal failure.Further, by arranging coarse structure at the side of barricade near viewing area, increase the contact area of alignment liquid and barricade, thus decrease the impulsive force of alignment liquid to barricade, enhance the adhesion of alignment liquid to barricade simultaneously, and then inhibit alignment liquid to be back to viewing area to make alignment film thickness occur uneven problem.In addition, arranging of barricade can improve the precision of alignment film coating and the efficiency of coating, and then improves the product yield of display panels.
The foregoing is only embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a display panels, is characterized in that, comprising:
Substrate, has the viewing area for showing and the sealing area for sealing;
Barricade, is formed on described substrate, and between described sealing area and described viewing area;
Wherein, residing barricade is provided with coarse structure near the side of described viewing area.
2. panel according to claim 1, is characterized in that, described coarse structure is concaveconvex structure.
3. panel according to claim 1, is characterized in that, described coarse structure is broached-tooth design.
4. panel according to claim 1, is characterized in that, the inward flange of described barricade is greater than the distance of outward flange to the inward flange of described sealing area of described barricade to the outer peripheral distance of described viewing area.
5. panel according to claim 1, it is characterized in that, described panel comprises alignment film further, and described alignment film to be arranged on described substrate and to cover described viewing area, barricade described in the outside edge contacts of described alignment film, the thickness of described alignment film is less than the height of described barricade.
6. panel according to claim 1, is characterized in that, described panel comprises the fluid sealant of the described sealing area being arranged at described substrate further.
7. panel according to claim 1, is characterized in that, described fluid sealant is arranged ringwise around described viewing area.
8. panel according to claim 1, is characterized in that, described barricade is arranged ringwise around described viewing area.
9. panel according to claim 1, is characterized in that, described substrate is color membrane substrates.
10. a liquid crystal indicator, is characterized in that, comprises the display panels in claim 1 ~ 9 described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510651229.6A CN105204237B (en) | 2015-10-09 | 2015-10-09 | A kind of liquid crystal display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510651229.6A CN105204237B (en) | 2015-10-09 | 2015-10-09 | A kind of liquid crystal display panel and display device |
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| Publication Number | Publication Date |
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| CN105204237A true CN105204237A (en) | 2015-12-30 |
| CN105204237B CN105204237B (en) | 2019-05-03 |
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| CN201510651229.6A Active CN105204237B (en) | 2015-10-09 | 2015-10-09 | A kind of liquid crystal display panel and display device |
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| CN105467687A (en) * | 2016-01-08 | 2016-04-06 | 深圳市华星光电技术有限公司 | Liquid crystal display and manufacturing method thereof |
| 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 |
| CN106200165A (en) * | 2016-08-11 | 2016-12-07 | 深圳市华星光电技术有限公司 | Display panels and tft array substrate thereof |
| CN109324446A (en) * | 2018-12-03 | 2019-02-12 | 惠科股份有限公司 | A kind of display panel, production method 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 |
| CN109671866A (en) * | 2018-12-21 | 2019-04-23 | 武汉华星光电半导体显示技术有限公司 | Display module barrier wall structure |
| CN111045259A (en) * | 2019-12-27 | 2020-04-21 | Tcl华星光电技术有限公司 | Display panel and preparation method thereof |
| WO2020113686A1 (en) * | 2018-12-05 | 2020-06-11 | 惠科股份有限公司 | Display panel and display device |
| CN113514987A (en) * | 2021-06-30 | 2021-10-19 | 惠科股份有限公司 | Display panel and display device |
| CN114442378A (en) * | 2022-03-21 | 2022-05-06 | 绵阳惠科光电科技有限公司 | Display substrate and liquid crystal display panel |
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| US10209570B2 (en) | 2016-01-08 | 2019-02-19 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display and method of manufacturing thereof |
| CN105467687A (en) * | 2016-01-08 | 2016-04-06 | 深圳市华星光电技术有限公司 | Liquid crystal display and manufacturing method thereof |
| WO2017117848A1 (en) * | 2016-01-08 | 2017-07-13 | 深圳市华星光电技术有限公司 | Liquid crystal display, and method of manufacturing same |
| 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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| WO2017193633A1 (en) * | 2016-05-11 | 2017-11-16 | 京东方科技集团股份有限公司 | Display substrate and preparation method therefor, and display device |
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| WO2020113627A1 (en) * | 2018-12-03 | 2020-06-11 | 惠科股份有限公司 | Display panel, manufacturing method and display apparatus |
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| CN109324446A (en) * | 2018-12-03 | 2019-02-12 | 惠科股份有限公司 | A kind of display panel, production method and display device |
| WO2020113686A1 (en) * | 2018-12-05 | 2020-06-11 | 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 |
| CN109671866A (en) * | 2018-12-21 | 2019-04-23 | 武汉华星光电半导体显示技术有限公司 | Display module barrier wall structure |
| CN111045259A (en) * | 2019-12-27 | 2020-04-21 | Tcl华星光电技术有限公司 | Display panel and preparation method thereof |
| CN113514987A (en) * | 2021-06-30 | 2021-10-19 | 惠科股份有限公司 | Display panel and display device |
| CN113514987B (en) * | 2021-06-30 | 2022-09-27 | 惠科股份有限公司 | Display panel and display device |
| CN114442378A (en) * | 2022-03-21 | 2022-05-06 | 绵阳惠科光电科技有限公司 | Display substrate and liquid crystal display panel |
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