CN109979342A - A kind of cover board and preparation method thereof, display module and display device - Google Patents
A kind of cover board and preparation method thereof, display module and display device Download PDFInfo
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- CN109979342A CN109979342A CN201910379147.9A CN201910379147A CN109979342A CN 109979342 A CN109979342 A CN 109979342A CN 201910379147 A CN201910379147 A CN 201910379147A CN 109979342 A CN109979342 A CN 109979342A
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- cover board
- frame
- board body
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
Abstract
It includes: cover board body that the present invention, which provides a kind of cover board and preparation method thereof, display module and display device, cover plate, the Cover Plate Body Is translucent construction；Two frames, two frames are respectively arranged at the opposite sides side of the cover board body, and the frame is impermeable photo structure.In this way, cover board body is arranged towards display base plate, normal display function can be realized, the frame of side can then play the effect for preventing edge light leakage.Therefore, also there is no need to be additionally formed light shield layer on the inside of the edge of cover board body to prevent light leakage, then also avoiding to thicken the technical problem that adhesive layer causes integral thickness thicker for segment difference caused by buffering light shield layer.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of cover board and preparation method thereof, display module and display dresses
It sets.
Background technique
With the development of display technology, the ultrathin demand of display module is higher and higher.In existing display module, example
Such as three-dimensional mould group common in comprehensive screen equipment, glass cover-plate (Cover Glass, abbreviation CG) is a flat surface glass or curved surface
Glass, glass cover-plate are fitted on display panel (Panel) by adhesive layer and form display module.Edge light leakage in order to prevent,
Light shield layer usually is formed on the inside of the edge of glass cover-plate, to block the light projected from edge, reaches the technology for preventing light leakage
Effect.
Since light shield layer being arranged on the inside of edge, leads to cover board middle section and therefore forming region segment difference in marginal portion is
Guarantee the flatness of display module entirety, it is necessary to increase the thickness of the adhesive layer on the inside of cover board, with relief areas segment difference.In this way
The thickness that will lead to display module entirety is thicker, it is difficult to meet the ultrathin demand of display module.
As it can be seen that there are the technologies that cover board inside edge adds light shield layer and causes integral thickness thicker to ask for existing display module
Topic.
Summary of the invention
The embodiment of the present invention provides a kind of cover board and preparation method thereof, display module and display device, existing to solve
Display module adds the technical problem that light shield layer causes integral thickness thicker there are cover board inside edge.
In order to achieve the above object, concrete scheme provided in an embodiment of the present invention is as follows:
In a first aspect, the embodiment of the invention provides a kind of cover boards, comprising:
Cover board body, the Cover Plate Body Is translucent construction；
Two frames, two frames are respectively arranged at the opposite sides side of the cover board body, and the frame is not
Translucent construction.
Optionally, the frame is black plate.
Optionally, the both sides of the edge of the adjoining of the cover board body frame be partially toward it is ipsilateral be formed by bending flange,
Each frame is located in same curved surface with the flange abutted.
Optionally, the thickness of the cover board body is identical as the thickness of the frame.
Second aspect, the embodiment of the invention provides a kind of display modules, including display base plate, and as in first aspect
Described in any item cover boards；
The cover board body of the display surface of the display base plate towards the cover board is arranged.
Optionally, the opposite sides edge of the display base plate is provided with light-shielding film layer, and the light-shielding film layer is opaque
Structure；
The frame is parallel with the light-shielding film layer, and the light-shielding film layer of the same side and the frame are in the display
Substrate projection planar be at least partly overlapped.
Optionally, the light-shielding film layer is the ink for being formed in the marginal surface towards the cover board of the display base plate
Layer.
Optionally, the first adhesive layer, polarizing layer, induction are sequentially formed between the cover board body and the display panel
Layer and the second adhesive layer.
Optionally, first adhesive layer with a thickness of be less than or equal to 0.075 millimeter.
The third aspect, the embodiment of the invention also provides a kind of production methods of cover board, for making as in first aspect
Described in any item cover boards, which comprises
There is provided a cover board body, wherein the Cover Plate Body Is translucent construction；
Using hot melting process, one frame of welding is distinguished in the opposite two sides of the cover board body, wherein the frame is
Impermeable photo structure.
Fourth aspect, the embodiment of the invention also provides a kind of display devices, including as described in any one of second aspect
Display module.
In the embodiment of the present invention, when designing cover board, frame is respectively set in the opposite sides side of the cover board body of light transmission,
Frame is impermeable photo structure.In this way, cover board body is arranged towards display base plate, normal display function, side can be realized
Frame can then play the effect for preventing edge light leakage.Therefore, also there is no need to shapes other on the inside of the edge of cover board body
Prevent light leakage at light shield layer, then also avoid for buffering light shield layer caused by segment difference and thickening adhesive layer leads to whole thickness
Spend thicker technical problem.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed in being described below to the embodiment of the present invention
Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention,
For those of ordinary skill in the art, without any creative labor, it can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of cover board provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of display module provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of another display module provided in an embodiment of the present invention；
Fig. 4 is one of the partial structure diagram of display module provided in an embodiment of the present invention；
Fig. 5 is the two of the partial structure diagram of display module provided in an embodiment of the present invention；
Fig. 6 is the flow diagram of the production method of cover board provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Referring to Fig. 1, Fig. 1 is a kind of structural schematic diagram of cover board provided in an embodiment of the present invention.As shown in Figure 1, the lid
Plate 100 specifically includes that
Cover board body 110, the cover board body 110 are translucent construction；
Two frames 120, two frames 120 are respectively arranged at the opposite sides side of the cover board body 110, described
Frame 120 is impermeable photo structure.
Cover board 100 provided in this embodiment, using on the display apparatus.As shown in Fig. 2, the lid of cover board 100 is closed in display base
On plate 210, it is assembled to form the display module 200 of display device, cover board 100 is used to play guarantor to the display base plate 210 for covering conjunction
Shield effect.For the normal display for guaranteeing display module 200, the region of the display base plate 210 correspond on cover board 100 as light transmission knot
Structure transmits the emergent light of display base plate 210.Specifically, cover board 100 mainly includes cover board body 110, display base plate 210 is shown
Show facing towards cover board 100 and is arranged.Cover board body 110 can be the translucent constructions such as transparent glass, light transmission quartz, be not construed as limiting.
In addition, two frames 120 are opaque knot as shown in Figure 1, the cover board 100 further includes two frames 120
Structure, such as opaque glass, opaque quartz etc. can play the impermeable photo structure of interception.Optionally, the frame 120
For black plate.The shaded effect of black plate is preferable, also more attractive.
Two frames 120 are separately positioned on to the opposite sides side of cover board body 110, and two frames 120 are mutually flat
Row.In general, two frames 120 are separately positioned on the cover board body using the display direction of display base plate 210 as benchmark direction
In 110 a plurality of side, it is parallel to the side on the left and right two opposite sides side of the display base plate 210.In this way, two frames 120
It is separately positioned on the opposite sides side of cover board body 110, the two frames 120 can block the left and right two-phase of display base plate 210
The emergent light of opposite side, prevents light leakage.In addition, as shown in figure 3, due to cover board body 110 and display base plate 210 be additionally provided with it is more
A functional film layer, adding frame 120 can be used for blocking limbic function film layer, increase aesthetics.
In a specific embodiment, the cover board body 110 can be transparent glass, and the frame 120 is black
Glass is all the cover board of glass material while the shaded effect of the translucent effect and frame 120 that meet cover board body 110
The contact edge of ontology 110 and frame 120 is easier to heat solidification, and stability is stronger.
Cover board 100 provided in this embodiment processing when, by the two opposite sides edge of cover board body 110 respectively with a frame
120 alignment adjoinings will be aligned adjacent 120 welding of cover board body 110 and frame using hot melting process.
Cover board provided in an embodiment of the present invention distinguishes the opposite sides side of the cover board body of light transmission when designing cover board
Frame is set, and frame is impermeable photo structure.In this way, cover board body is arranged towards display base plate, normal display can be realized
Function, the frame of side can then play the effect for preventing edge light leakage.Therefore, also there is no need in the edge of cover board body
Side is additionally formed light shield layer to prevent light leakage, then also avoiding to thicken adhesive layer for segment difference caused by buffering light shield layer and lead
The technical problem for causing integral thickness thicker.In addition, the side of cover board body and frame welding are enhanced cover board using hot melting process
Whole stability.
In a specific embodiment, as shown in Figure 1, the two sides of the adjoining of the cover board body 110 frame 120
Marginal portion is formed by bending flange 111 towards ipsilateral, and each frame 120 is located at same song with the flange 111 abutted
In face.
The cover board 100 that present embodiment provides, can be used for Three-dimensional Display mould group 200, the especially organic hair of active matrix
Near-infrafed photodiodes (Active-Matrix Organic Light-Emitting Diode, abbreviation AMOLED) display module 200.Such as
Shown in Fig. 1 to Fig. 3, the both sides of the edge of the adjoining of cover board body 110 frame 120 are partially toward and ipsilateral are formed by bending flange
111, in this way, cover board body 110 just includes planar section and curved surface flange 111.Then, it is connected in the outer of curved surface flange 111
The frame 120, to guarantee the whole flatness of cover board 100, preferably frame 120 is also curved-surface structure, and each frame 120 with
The flange 111 abutted is located in same curved surface.
Optionally, the thickness of the cover board body 110 is identical as the thickness of the frame 120.
Cover board body 110 and frame 120 be selected as to the plate of same thickness, and frame 120 and connect flange 111
In flatness and smooth degree that 100 surface of cover board in same curved surface, can be improved in this way.
Referring to fig. 2, Fig. 2 is the structural schematic diagram of display module 200 provided in an embodiment of the present invention.As shown in Fig. 2, described
Display module 200 includes display base plate 210 and cover board 100.Wherein, the cover board 100 can be above-mentioned embodiment shown in FIG. 1
The cover board 100 of offer；
The cover board body 110 of the display surface of the display base plate 210 towards the cover board 100 is arranged.
In the present embodiment, display module 200 includes display base plate 210 and cover board 100, and the lid of cover board 100 is closed in display base plate
On 210, and the display surface of display base plate 210 is arranged towards the cover board body 110, protects display base plate 210 using cover board 100
It is not destroyed.The region of the corresponding display base plate 210 of cover board body 110 is translucent construction, transmits the outgoing of display base plate 210
Light.The frame 120 of the opposite sides side setting of cover board body 110 is impermeable photo structure, for blocking the left and right of display base plate 210
The emergent light on two opposite sides side, prevents light leakage.In addition, as shown in figure 3, may have between cover board body 110 and display base plate 210
Multiple functional film layers, adding frame 120 can be used for blocking limbic function film layer, increase aesthetics.
In a specific embodiment, as shown in Figures 2 and 3, the edge of the display base plate 210 is provided with photomask
Layer 220, the light-shielding film layer 220 are impermeable photo structure；
The frame 120 is parallel with the light-shielding film layer 220, and the light-shielding film layer 220 and the frame 120 are being shown
Projection on substrate 210 is at least partly overlapped.
The black matrix region (Black matrix, abbreviation BM) of display module 200 provided by present embodiment includes two
Part is pasted with the side edge of the frame 120 of the opposite sides side welding of the cover board 100 and the display base plate 210
The light-shielding film layer 220 of conjunction, and frame 120 and light-shielding film layer 220 are impermeable photo structure.Specifically, frame 120 and light-shielding film layer
220 are parallel to each other, and are located at the projection of the frame 120 and the light-shielding film layer 220 of same side on display base plate 210
It is at least partly overlapped, can guarantee the continuity of 220 shaded effect of frame 120 and light-shielding film layer of every side edge, in this way to keep away
The case where emergent light for exempting from display base plate 210 occur leaks out between frame 120 and light-shielding film layer 220.
Further, the specific size of light-shielding film layer 220 and frame 120, can be with 111 size of flange of joining cover plate 100
And the size to lightproof area of display base plate 210 specifically determines.Such as shown in Fig. 5, light-shielding film layer 220 is set described
Display base plate 210 projection in the plane be completely covered the display base plate 210 to lightproof area, frame 120 is described
Display base plate 210 the inner side edge of projection in the plane be overlapped with the outer side edges of the projection of the light-shielding film layer 220.Specific knot
The size design scheme of the light-shielding structure of existing display module 200 is closed to design, is not construed as limiting.
Optionally, the light-shielding film layer 220 is the surface towards the cover board 100 for being formed in the display base plate 210
The ink layer at edge.
In present embodiment, light-shielding film layer 220 is ink layer, and while reaching shaded effect, thinner thickness reduces
The whole thickness of display module 200.
In another embodiment specific implementation mode, as shown in Figures 3 to 5, the cover board body 110 and the display panel it
Between be sequentially formed with the first adhesive layer 230, polarizing layer 240 (POL), inductive layer 250 (Sensor) and the second adhesive layer 260.
In present embodiment, the first adhesive layer 230, polarizing layer are sequentially formed between cover board body 110 and display panel
240, inductive layer 250 and the second adhesive layer 260, the first adhesive layer 230 is for realizing cover board body 110 and polarizing layer 240 and sense
Answer the connection between layer 250, the second adhesive layer 260 then for realizing polarizing layer 240 and inductive layer 250 and display base plate 210 it
Between connection.In general, the first adhesive layer 230 is T-OCA layers, the second adhesive layer 260 is B-OCA layers.
Since frame 120 is set to the side edge of cover board body 110, shaded effect can be realized by frame 120, be not necessarily to
Light shield layer is formed in the inside edge of cover board body 110, ink segment difference is not present in cover board body 110 and 120 part of frame, because
This, the thickness of the first adhesive layer 230 meets adhesion effect, without filling ink segment difference.
Therefore, first adhesive layer with a thickness of be less than or equal to 0.075 millimeter, it might even be possible to less than 0.05 milli
Rice.The thickness of first adhesive layer 230 is reduced, and the integral thickness of display module 200 is just reduced, and meets the super of display module 200
Thinning demand, and enhance and be bonded stability between cover board 100 and display base plate 210.
In addition, ultra-clean film layer 270 can also be fitted in the one side away from the cover board 100 of display base plate 210
Common functions film layers such as (Super Clean Film, abbreviation SCF), repeats no more.
The display module that the embodiments of the present invention provide, when designing the cover board of display module, by the cover board sheet of light transmission
Frame is respectively set in the opposite sides side of body, and frame is impermeable photo structure.In this way, cover board body is arranged towards display base plate,
Normal display function can be realized, the frame of side can then play the effect for preventing edge light leakage.Therefore, also there is no need to
Light shield layer is additionally formed on the inside of the edge of cover board body to prevent light leakage, then also avoiding as caused by buffering light shield layer
Segment difference and thicken the technical problem that adhesive layer causes integral thickness thicker.The specific implementation of display module provided in this embodiment
Journey may refer to the specific implementation process for the cover board that above-mentioned embodiment shown in FIG. 1 provides, and this is no longer going to repeat them.
Referring to Fig. 6, Fig. 6 is a kind of flow diagram of the production method of cover board provided in an embodiment of the present invention, for making
Make cover board as described in Figure 1.As shown in fig. 6, the method mainly comprises the steps that
Step 601 provides a cover board body, wherein the Cover Plate Body Is translucent construction；
Step 602, using hot melting process, distinguish one frame of welding in the opposite two sides of the cover board body, wherein institute
Stating frame is impermeable photo structure.
Method provided in this embodiment first provides the cover board body of translucent construction formation, the concrete shape of cover board body
It is arranged with size by the model of applied display device, is not construed as limiting.It is opposite in the cover board body using hot melting process
Two sides distinguish one frame of welding, required cover board can be formed.
The integrated artistic of display module is made so that cover board body is using glass as an example in conjunction with the production method of above-mentioned cover board
May include:
Sawing sheet process makes product crude green body, and unilateral machining allowance can be 0.1 millimeter；
Computer digital controls machine tooling process 1 (Computer Numerical Control, abbreviation CNC) work
Sequence, removes crude green body surplus, and rounded corner mills listening bore telltale mark；
Welding cover board body and frame process carry out black or other opaque glass by the way of high-temperature heating
Processing, the interior pressurization arc side area hot melt of grinding tool；
Special-shaped process sweeps four side cambered surface of ground glass, and impression, the sags and crests of four side cambered surface of glass lack after elimination or mitigation hot bending
It falls into；
CNC2 process, mills out listening bore；
Grinder sequence is swept in face, sweeps ground glass front and back sides, impression, the sags and crests etc. of glass surface lack after elimination or mitigation hot bending
It falls into；
After grinding water cleaning, appearance full inspection are swept in flat inspection process, face；
To strengthen process, glass is immersed in potassium nitrate solution, hot environment, sodium ion and potassium ion are replaced in glass,
Reach tempering purpose；
Stress inspection operation carries out bearing stress, center tensile stress (Center Stress, abbreviation to glass surface
CS), strengthen depth stress layer depth (Depth Of Layers, abbreviation DOL) to check, ability (Capability of is made
Production Index, abbreviation CPK) dimensional gaughing, visual examination etc.；
Spatial frequency response (Spatial Frequency Response, abbreviation SFR) detects process, carries out camera shooting head bore
Resolution detection；
Yellow light process, spraying, prebake conditions, exposure, secondary spraying, secondary prebake conditions, re-expose, development and baking；
Silk-screen process, by the infrared hole (Infra-Red, abbreviation IR), the hole color hole (Red-Green-Blue, abbreviation RGB) etc.
The spraying of porose area ink, silk-screen；
Filming process, product lie in equipment carrying covering of the fan, liquid medicine steaming are plated to glass surface；
It is finally cleaned, after visual examination, packs shipment.
The production method for the cover board that the embodiments of the present invention provide, when designing the cover board of display module, by light transmission
Frame is respectively set in the opposite sides side of cover board body, and frame is impermeable photo structure.In this way, by cover board body towards display base plate
Setting, can be realized normal display function, the frame of side can then play the effect for preventing edge light leakage.Therefore, also
It does not need to be additionally formed light shield layer on the inside of the edge of cover board body to prevent light leakage, then avoiding to buffer light shield layer yet
Caused by segment difference and thicken the technical problem that adhesive layer causes integral thickness thicker.The production method of cover board provided in this embodiment
Specific implementation process, may refer to the specific implementation process for the cover board that above-mentioned embodiment shown in FIG. 1 provides, it is not another herein
One repeats.
In addition, the embodiment of the invention also provides a kind of display devices, including such as above-mentioned embodiment shown in Fig. 2 to Fig. 5
The display module of offer.
The beneficial effect of above-mentioned display module may be implemented in the display device, to avoid repeating, no longer repeats.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (11)
1. a kind of cover board characterized by comprising
Cover board body, the Cover Plate Body Is translucent construction；
Two frames, two frames are respectively arranged at the opposite sides side of the cover board body, and the frame is opaque
Structure.
2. cover board according to claim 1, which is characterized in that the frame is black plate.
3. cover board according to claim 1 or 2, which is characterized in that the phase of the adjoining of the cover board body frame
To both sides of the edge be partially toward it is ipsilateral be formed by bending flange, each frame is located at same curved surface with the flange abutted
It is interior.
4. cover board according to claim 3, which is characterized in that the thickness phase of the thickness of the cover board body and the frame
Together.
5. a kind of display module, which is characterized in that including display base plate, and lid according to any one of claims 1 to 4
Plate；
The cover board body of the display surface of the display base plate towards the cover board is arranged.
6. display module according to claim 5, which is characterized in that the opposite sides edge of the display base plate is provided with
Light-shielding film layer, the light-shielding film layer are impermeable photo structure；
The frame is parallel with the light-shielding film layer, and the light-shielding film layer of the same side and the frame are in the display base plate
Projection planar be at least partly overlapped.
7. display module according to claim 6, which is characterized in that the light-shielding film layer is to be formed in the display base plate
The marginal surface towards the cover board ink layer.
8. display module according to any one of claims 5 to 7, which is characterized in that the cover board body is shown with described
Show and is sequentially formed with the first adhesive layer, polarizing layer, inductive layer and the second adhesive layer between panel.
9. display module according to claim 8, which is characterized in that first adhesive layer with a thickness of being less than or wait
In 0.075 millimeter.
10. a kind of production method of cover board, which is characterized in that for making lid according to any one of claims 1 to 4
Plate, which comprises
There is provided a cover board body, wherein the Cover Plate Body Is translucent construction；
Using hot melting process, one frame of welding is distinguished on the opposite sides side of the cover board body, wherein the frame is impermeable
Photo structure.
11. a kind of display device, which is characterized in that including the display module as described in any one of claim 5 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910379147.9A CN109979342A (en) | 2019-05-08 | 2019-05-08 | A kind of cover board and preparation method thereof, display module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910379147.9A CN109979342A (en) | 2019-05-08 | 2019-05-08 | A kind of cover board and preparation method thereof, display module and display device |
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| Publication Number | Publication Date |
|---|---|
| CN109979342A true CN109979342A (en) | 2019-07-05 |
Family
ID=67073206
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|---|---|---|---|
| CN201910379147.9A Pending CN109979342A (en) | 2019-05-08 | 2019-05-08 | A kind of cover board and preparation method thereof, display module and display device |
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| CN113325623B (en) * | 2021-05-21 | 2022-12-13 | 芜湖天马汽车电子有限公司 | Display module, manufacturing method of display module and display device |
| CN114898658A (en) * | 2022-04-12 | 2022-08-12 | 武汉华星光电半导体显示技术有限公司 | Display device and preparation method |
| CN114898658B (en) * | 2022-04-12 | 2024-03-08 | 武汉华星光电半导体显示技术有限公司 | Display device and preparation method |
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