CN110133889A - A kind of display panel and preparation method thereof - Google Patents
A kind of display panel and preparation method thereof Download PDFInfo
- Publication number
- CN110133889A CN110133889A CN201910414168.XA CN201910414168A CN110133889A CN 110133889 A CN110133889 A CN 110133889A CN 201910414168 A CN201910414168 A CN 201910414168A CN 110133889 A CN110133889 A CN 110133889A
- Authority
- CN
- China
- Prior art keywords
- display panel
- liquid crystal
- crystal display
- supporting layer
- frame glue
- 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
-
- 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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
-
- 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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/13332—Front frames
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention provides a kind of display panel and preparation method thereof, and the display panel includes liquid crystal display panel, cover board, frame glue layer and supporting layer；The display panel preparation method includes that liquid crystal display panel provides step, frame glue layer preparation step, supporting layer preparation step, cover board attaching step and vacuum step, by the way that supporting layer is arranged on the inside of frame glue layer, cover board can be made to be bonded completely with liquid crystal display panel, and the thickness of liquid crystal layer of each position in liquid crystal display panel is identical, light transmittance is uniform, promotes the quality of display panel.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of display panel and preparation method thereof.
Background technique
It in actual production, is definite value to keep the gap between cover board and panel.It usually in design, can be by gap
The air pressure of layer is less than external atmospheric pressure, makes gap definite value through pressure caused by draught head.However, since liquid crystal display panel is at box
When be also that liquid crystal is poured into using low pressure, make thickness of liquid crystal uniform state using atmospheric pressure.
As shown in Figure 1, display panel includes liquid crystal display panel 1, cover board 2, frame glue layer 3 and gap 100.Liquid crystal display panel 1 with
Cover board 2 is oppositely arranged, and is bonded each other by frame glue layer 3.Frame glue layer 3 is set to the edge of liquid crystal display panel 1 and the edge of cover board 2
Place, and rectangular ring structure is surrounded, gap 00 is equipped in the middle part of cyclic structure.Under normal pressure, due between cover board and liquid crystal display panel
There is atmospheric pressure, by uniform atmospheric pressure, the thickness of liquid crystal will not change the liquid crystal in liquid crystal display panel.
In order to enable cover board is fitted closely with liquid crystal display panel, need to take out gap in the state of vacuum or low pressure
It is vacuum-treated.
As shown in Fig. 2, cover board 2 and liquid crystal display panel 1 are influenced by atmospheric pressure, middle part in the state of vacuum or low pressure
It fits closely together.Due between the edge of cover board 2 and the edge of liquid crystal display panel 1 there are certain thickness frame glue layer 3,
Cover board 2 can not be bonded completely with liquid crystal display panel 1, it may occur that a degree of buckling deformation, after the completion of being pressed together, close to frame glue
Layer can have gap 200 at 3 inside edge.Since a degree of buckling deformation occurs for liquid crystal display panel 1, middle part is by larger
Pressure, positioned at liquid crystal display panel edge liquid crystal layer thickness can be greater than be located at liquid crystal display panel center at liquid crystal layer thickness
Degree leads to being unevenly distributed for liquid crystal in liquid crystal display panel.
The penetrance of liquid crystal display panel is determined by the thickness of liquid crystal layer.Therefore, when positioned at liquid crystal display panel edge
Liquid crystal layer thickness can be greater than be located at liquid crystal display panel center at liquid crystal layer thickness when, the light of liquid crystal display panel edge penetrates
Rate is greater than the light transmittance at liquid crystal display panel center, causes the light transmittance of entire liquid crystal display panel different, in turn results in display surface
There is the phenomenon of bright border or display unevenness in plate.
Summary of the invention
The object of the present invention is to provide a kind of display panels and preparation method thereof, existing in the prior art to solve
Liquid crystal is unevenly distributed in liquid crystal display panel, and thickness of liquid crystal layer is uneven, light transmittance is different, the technology for causing display panel display uneven
Problem.
To achieve the above object, the present invention provides a kind of display panel, including liquid crystal display panel, cover board, frame glue layer and branch
Support layer；The cover board is attached at the surface of the liquid crystal display panel side；The frame glue layer is annularly set to the liquid crystal surface edges of boards
At edge and between the side edge thereof；The liquid crystal display panel, the cover board and the frame glue layer surround an at least gap；It is described
Supporting layer fills up the gap.
Further, the material of the supporting layer is colloid.
Further, the shape of the cover board is identical as the shape of the liquid crystal display panel；The size of the cover board with it is described
The size of liquid crystal display panel is identical.
To achieve the above object, the present invention also provides a kind of preparation method of display panel, include the following steps, liquid crystal surface
Plate provides step, provides a liquid crystal display panel；Frame glue layer preparation step prepares a ring in the edge of the liquid crystal display panel upper surface
The frame glue layer of shape；Supporting layer preparation step, in the liquid crystal display panel upper surface, the supporting layer of one annular of preparation, is located at the frame glue
Layer inside；Cover board attaches step, attaches a cover board to the liquid crystal display panel upper surface；And vacuum step, to the annular
Vacuumize process is done in the space that frame glue layer and the supporting layer surround, so that the cover board conforms to the liquid crystal display panel.
Further, in the supporting layer preparation step, the supporting layer bottom surface and liquid crystal display panel upper surface phase
It cuts, the supporting layer side and the frame glue layer medial surface are tangent.
Further, in the supporting layer preparation step, the supporting layer includes an inclined-plane, at the top of the frame glue layer
Extend to the upper surface of the liquid crystal display panel；The slope on the inclined-plane is the height of the supporting layer and the ratio of its bottom width
Value.
Further, in the supporting layer preparation step, the height of the supporting layer is consistent with the frame glue layer height.
Further, it is attached in step in the cover board, has auxiliary positioning mode using CCD para-position mode or smelting, so that
The cover board is attached at the upper surface of the liquid crystal display panel.
Further, in the vacuum step, using vacuum evacuation device to the ring frame glue-line and the support
Vacuumize process is done in the space that layer surrounds, so that the cover board conforms to the liquid crystal display panel.
The technical effects of the invention are that a kind of display panel and preparation method thereof is provided, by setting on the inside of frame glue layer
Supporting layer is set, cover board can be made to be bonded completely with liquid crystal display panel, and the thickness of liquid crystal layer phase of each position in liquid crystal display panel
Together, light transmittance is uniform, promotes the quality of display panel.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those skilled in the art, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the structural schematic diagram of display panel under prior art normal pressure；
Fig. 2 is the structural schematic diagram of display panel after prior art vacuumize process；
Fig. 3 is the structural schematic diagram of display panel after vacuumize process of the present invention；
Fig. 4 is that the invention shows the flow charts of panel preparation method；
Fig. 5 is that the invention shows the sectional views of panel.
Portion identification is as follows in attached drawing:
1 liquid crystal display panel；2 cover boards；
3 frame glue layers；4 supporting layers；
10 viewing areas；20 non-display areas；
100 gaps；200 gaps.
Specific embodiment
The preferred embodiment of the present invention is introduced below with reference to Figure of description, proves that the present invention can be implemented to illustrate,
These embodiments can be of the invention to those of skill in the art's complete description technology contents so that in technology of the invention
Hold more clear and is easy to understand.However the present invention can be emerged from by many various forms of embodiments, the present invention
Protection scope be not limited only to the embodiment mentioned in text.
As shown in figure 3, the present invention provides a kind of display panel, including liquid crystal display panel 1, cover board 2, frame glue layer 3 and support
Layer 4.
It is filled in liquid crystal display panel 1 by liquid crystal, by the way that the arrangement of liquid crystal is arranged, to achieve the purpose that shading and light transmission, so that
Display panel imaging.
Cover board 2 is oppositely arranged with liquid crystal display panel 1, is attached at the upper surface of liquid crystal display panel 1.The shape and liquid crystal surface of cover board 2
The shape of plate 1 is identical；The size of cover board 2 is identical as the size of liquid crystal display panel 1.
Frame glue layer 3 is annular in shape, is set between 2 edge of 1 edge of liquid crystal display panel and cover board, i.e., positioned at the non-of display panel
Viewing area.Liquid crystal display panel 1, cover board 2 and frame glue layer 3 surround an at least gap.
Supporting layer 4 fills up the gap, and material is colloid, so that cover board 2 and liquid crystal display panel 1 are under atmospheric pressure
Fit closely together, and will not because of frame glue layer 2 thickness and lead to that thickness of liquid crystal layer in liquid crystal display panel 1 is uneven, light is worn
The different technical problem of saturating rate, avoids display panel from the phenomenon that bright border occur.The material of supporting layer 4 can be OCA optical cement, double
Face glue isocolloid, as long as having good adhesiveness.
Supporting layer is arranged on the inside of frame glue layer in display panel provided by the embodiment, and cover board can be made complete with liquid crystal display panel
Full fitting, and the thickness of liquid crystal of each position in liquid crystal display panel is identical, penetrance is uniform, promotes the quality of display panel.Separately
Outside, when display panel has touch function, since setting has the supporting layer of certain slope on the inside of frame glue layer, can overcome
In touch-control, the problem of optical interference (water ripples or Newton's ring) occurs in display panel, significantly provides display effect, so that
User operates on the cover board has good sensitivity, improves user experience.
As shown in figure 4, the present embodiment also provides a kind of preparation method of display panel, include the following steps S1~S5.
S1 liquid crystal display panel provides step, provides a liquid crystal display panel.
S2 frame glue layer preparation step, in the frame glue layer of one annular of edge preparation of the liquid crystal display panel upper surface.
The frame glue layer by optics adhesive tape tandem array circlewise.Optical cement (Solid Optically Clear
It Adhesive is) a kind of UV, moisture dual cure optical cement, in UV illumination condition curable.In the present embodiment, the frame glue
The narrower width of layer is conducive to that display panel is made to realize narrow frame in this way, but also can save a large amount of optics glue material, drops
Low production cost.
S3 supporting layer preparation step, in the liquid crystal display panel upper surface, the supporting layer of one annular of preparation, is located at the frame glue
Layer inside.
As shown in figure 5, during 1 upper surface of liquid crystal display panel prepares supporting layer 4, the height and frame glue layer 3 of supporting layer 4
Height is consistent, and 4 bottom surface of supporting layer and 1 upper surface of liquid crystal display panel are tangent, and 4 side of supporting layer and 3 medial surface of frame glue layer are tangent, avoid
The different phenomenon of the height of supporting layer 4 and frame glue layer 3.
The supporting layer 4 includes an inclined-plane, and the upper surface of the liquid crystal display panel 1 is extended at the top of the frame glue layer 4；Institute
The slope for stating inclined-plane is the height of the supporting layer 4 and the ratio of its bottom width.
In the present embodiment, the display panel includes viewing area 10 and non-display area 20, the frame glue layer 3 and the support
Layer 4 is located at non-display area.The width of the supporting layer 4 is on the inside of the frame glue layer 3 to the distance in 10 outside of viewing area, the branch
The height for supportting layer 4 is the height of the frame glue layer 3, and the slope of the supporting layer 4 is the height and the frame glue of the frame glue layer 3
The ratio of distance on the outside of 3 inside to viewing area 10 of layer.Therefore, those skilled in the art, can basis before supporting layer is arranged
By measuring on the inside of the frame glue layer to the height of distance and the frame glue layer on the outside of viewing area, the oblique of the supporting layer is obtained
Supporting layer is arranged according to the slope in rate.
In the present embodiment, the transparent material of the supporting layer is colloid, is not influenced on the appearance of product.The supporting layer
Structure proximate in right angled triangle.
S4 cover board attaches step, attaches a cover board to the liquid crystal display panel upper surface.
Has auxiliary positioning mode using CCD para-position mode or smelting, so that the edge of the cover board is attached at the liquid crystal
The edge of panel.
Vacuumize process is done in S5 vacuum step, the space surrounded to the ring frame glue-line and the supporting layer, so that
The cover board conforms to the liquid crystal display panel.
The cover board, the liquid crystal display panel are sent into a seal cavity, it will be to the ring frame glue-line using vacuum pump
And vacuumize process is done in the space that surrounds of the supporting layer, and using heating device to the cover board, the liquid crystal display panel into
Row heat treatment, so that the cover board conforms to the liquid crystal display panel.
During being heated and pressurizeed, the frame glue layer, the supporting layer can be heat cured for, so that the cover board
The edge that edge is in the liquid crystal display panel fits closely.The frame glue layer, the supporting layer after hardening, form a ring
Shape structure, preferably straight-flanked ring.
Display panel production method provided in this embodiment, by the way that supporting layer is arranged on the inside of frame glue layer, in atmospheric pressure
Under effect, cover board can be made to be bonded completely with liquid crystal display panel, and the thickness of liquid crystal layer of each position in liquid crystal display panel is identical,
Light transmittance is uniform, promotes the quality of display panel.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (9)
1. a kind of display panel, which is characterized in that including
Liquid crystal display panel；
Cover board is attached at the surface of the liquid crystal display panel side；
Frame glue layer is annularly set between the liquid crystal display panel edge and the side edge thereof；It is the liquid crystal display panel, described
Cover board and the frame glue layer surround an at least gap；And
Supporting layer fills up the gap.
2. display panel as described in claim 1, which is characterized in that
The material of the supporting layer is colloid.
3. display panel as described in claim 1, which is characterized in that
The shape of the cover board is identical as the shape of the liquid crystal display panel；
The size of the cover board is identical as the size of the liquid crystal display panel.
4. a kind of preparation method of display panel, which comprises the steps of:
Liquid crystal display panel provides step, provides a liquid crystal display panel；
Frame glue layer preparation step, in the frame glue layer of one annular of edge preparation of the liquid crystal display panel upper surface；
Supporting layer preparation step, in the liquid crystal display panel upper surface, the supporting layer of one annular of preparation, is located on the inside of the frame glue layer；
Cover board attaches step, attaches a cover board to the liquid crystal display panel upper surface；And
Vacuum step, vacuumize process is done in the space surrounded to the ring frame glue-line and the supporting layer, so that the lid
Plate conforms to the liquid crystal display panel.
5. the preparation method of display panel as claimed in claim 4, which is characterized in that
In the supporting layer preparation step,
The supporting layer bottom surface and the liquid crystal display panel upper surface are tangent,
The supporting layer side and the frame glue layer medial surface are tangent.
6. the preparation method of display panel as claimed in claim 4, which is characterized in that
In the supporting layer preparation step,
The supporting layer includes an inclined-plane, and the upper surface of the liquid crystal display panel is extended at the top of the frame glue layer；
The slope on the inclined-plane is the height of the supporting layer and the ratio of its bottom width.
7. the preparation method of display panel as claimed in claim 4, which is characterized in that
In the supporting layer preparation step,
The height of the supporting layer is consistent with the frame glue layer height.
8. the preparation method of display panel as claimed in claim 5, which is characterized in that
It is attached in step in the cover board, has auxiliary positioning mode using CCD para-position mode or smelting, so that the cover board is attached at
The upper surface of the liquid crystal display panel.
9. the preparation method of display panel as claimed in claim 5, which is characterized in that
In the vacuum step, done using the space that vacuum evacuation device surrounds the ring frame glue-line and the supporting layer
Vacuumize process, so that the cover board conforms to the liquid crystal display panel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910414168.XA CN110133889B (en) | 2019-05-17 | 2019-05-17 | Display panel and preparation method thereof |
| PCT/CN2019/128799 WO2020233121A1 (en) | 2019-05-17 | 2019-12-26 | Display panel and manufacturing method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910414168.XA CN110133889B (en) | 2019-05-17 | 2019-05-17 | Display panel and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110133889A true CN110133889A (en) | 2019-08-16 |
| CN110133889B CN110133889B (en) | 2021-03-16 |
Family
ID=67575062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910414168.XA Active CN110133889B (en) | 2019-05-17 | 2019-05-17 | Display panel and preparation method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110133889B (en) |
| WO (1) | WO2020233121A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111708211A (en) * | 2020-06-12 | 2020-09-25 | 惠州市华星光电技术有限公司 | Display panel and display device |
| WO2020233121A1 (en) * | 2019-05-17 | 2020-11-26 | 惠州市华星光电技术有限公司 | Display panel and manufacturing method therefor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112505954B (en) * | 2020-12-09 | 2023-07-18 | 业成科技（成都）有限公司 | Production method, vacuumizing device and production equipment of liquid crystal display module |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2020233121A1 (en) | 2020-11-26 |
| CN110133889B (en) | 2021-03-16 |
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