CN107799012A - The preparation method of Foldable display device and Foldable display device - Google Patents
The preparation method of Foldable display device and Foldable display device Download PDFInfo
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- CN107799012A CN107799012A CN201711116993.9A CN201711116993A CN107799012A CN 107799012 A CN107799012 A CN 107799012A CN 201711116993 A CN201711116993 A CN 201711116993A CN 107799012 A CN107799012 A CN 107799012A
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- cured layer
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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
- G09F9/301—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 flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
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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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention discloses a kind of Foldable display device, including:First substrate;First optical adhesive film, positioned at the side of the first substrate, the optical adhesive film includes the first cured layer and fluidized bed being stacked, first cured layer is used to conform to the first substrate, the mobility of the fluidized bed is better than first cured layer, and the fluidized bed is used for the mobility for improving first optical adhesive film.The present invention also disclosed a kind of preparation method of Foldable display device.The mobility of first cured layer is poor, sticky good, and fluidized bed has preferable mobility, improves the overall shape resume speed of optical adhesive film.On the thickness direction of optical adhesive film, optical adhesive film has different mobility, both with good adhering effect, maintains good mobility again, meets that Foldable display device frequently folds the requirement with expansion.
Description
Technical field
The present invention relates to display technology field, more particularly, to a kind of Foldable display device and Foldable display device
Preparation method.
Background technology
In recent years, Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) Display Technique is fast
Speed development promotes curved surface and Flexible Displays touch-control product quickly enters market, and it is flexible that major panel manufacturer puts into huge fund layout one after another
Show touch-control project.Be between the different layers of touch-control display module are other by optical cement (Optically Clear Adhesive,
OCA fitting fixation) is carried out, compared with traditional OCA glue, the OCA glue applied to Foldable display device not only needs preferably
Adhesiveness performance and preferable ink adsorption capacity, it is also necessary to there is preferable buckle resistance energy, in other words, OCA glue bending
When, it is desirable to be able to the effective superposition for slowing down stress and the release for promoting stress.
In the prior art, the transmission of stress caused by folding can be alleviated by the high OCA glue of selecting liquidity, reduced each
The synergistic effect of stress between layer material, during folded state to deployed condition, OCA glue, which can quickly flow, to be returned to
State before folding.But due to the material property of OCA glue, when mobility is preferable, the viscosity reduction of OCA glue, display is set
Standby experience is repeatedly after bending, it may appear that occurs bubble, or even the risk departed between OCA glue and the material of stickup.
The content of the invention
The technical problem to be solved in the present invention is to provide the making of a kind of Foldable display device and Foldable display device
Method, after solving the multiple bending of display device experience in the prior art, it may appear that occur between OCA glue and the material of stickup
Bubble, or even the problem of the risk of disengaging.
In order to solve the above technical problems, the present invention provides a kind of Foldable display device, including:
First substrate;
First optical adhesive film, positioned at the side of the first substrate, the optical adhesive film includes being stacked first solid
Change layer and fluidized bed, first cured layer is used to conforming to the first substrate, and the mobility of the fluidized bed is better than described
First cured layer, the fluidized bed are used for the mobility for improving first optical adhesive film.
In a kind of embodiment, first optical adhesive film also includes the second cured layer, and second cured layer is located at institute
The side that fluidized bed deviates from first cured layer is stated, the mobility of the fluidized bed is better than second cured layer.
In a kind of embodiment, the thickness of first cured layer account for the thickness of first optical adhesive film 10%~
30%;The thickness of second cured layer accounts for the 10%~30% of the thickness of first optical adhesive film.
In a kind of embodiment, the Foldable display device also includes second substrate, and the second substrate is positioned at described
First optical adhesive film deviates from the side of the first substrate, and the second substrate fits in second cured layer.
In a kind of embodiment, the Foldable display device also includes cover plate, and the cover plate is located at the second substrate
Away from the side of the first substrate, the second optical adhesive film, the cover plate are additionally provided between the cover plate and the second substrate
It is pasted on by second optical adhesive film on the second substrate.
In a kind of embodiment, the Foldable display device also includes second substrate and polaroid, the second substrate
Between the first substrate and first optical adhesive film, the polaroid is located at first optical adhesive film away from described
The side of second substrate, the polaroid are fitted on the second substrate by first optical adhesive film.
In a kind of embodiment, the Foldable display device also includes cover plate, and the cover plate is located at the polaroid back of the body
From the side of the second substrate, the 3rd optical adhesive film is additionally provided between the cover plate and the second substrate, the cover plate leads to
The 3rd optical adhesive film is crossed to be pasted on the second substrate.
The present invention also provides a kind of preparation method of Foldable display device, including:
The first optical adhesive film is provided, the surface for solidifying first optical adhesive film forms the first cured layer, the optical cement
The uncured part of film forms fluidized bed;
First substrate is provided, first optical adhesive film is fitted on the first substrate by first cured layer;
Second substrate is provided, the second substrate is fitted on the first substrate by first optical adhesive film.
In a kind of embodiment, the second substrate fits on the first substrate it by first optical adhesive film
Before, methods described also includes,
Solidify first optical adhesive film and form the second cured layer, the stream away from the surface of the first cured layer side
Between first cured layer and second cured layer, the second substrate is bonded dynamic layer by second cured layer
First optical adhesive film.
In a kind of embodiment, the curing degree of first cured layer and second cured layer is 50%~90%.
Beneficial effects of the present invention are as follows:First cured layer is formed by the surface cure in optical adhesive film, the first solidification
The mobility of layer is poor, sticky good, the first cured layer and first substrate firm pasting, and repeatedly bending is not easy to produce bubble or taken off
From.Fluidized bed has preferable mobility, and during Foldable display device is folded, fluidized bed alleviates the transmission of stress,
Reduce the Stress superposition effect between the layers of material of Foldable display device;During Foldable display device is deployed,
The shape and state that fluidized bed is rapidly returned to before folding, improve the overall shape resume speed of optical adhesive film.In optics
On the thickness direction of glued membrane, optical adhesive film has different mobility, both with good adhering effect, maintains again good
Mobility, meet that Foldable display device frequently folds the requirement with expansion.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other obvious modes of texturing are obtained according to these accompanying drawings.
Fig. 1 is the structural representation for the Foldable display device that the embodiment of the present invention one provides.
Fig. 2 is the folded state schematic diagram for the Foldable display device that the embodiment of the present invention one provides
Fig. 3 is the structural representation for the Foldable display device that the embodiment of the present invention two provides.
Fig. 4 is the structural representation for the Foldable display device that the embodiment of the present invention three provides.
Fig. 5 is the structural representation for the Foldable display device that the embodiment of the present invention four provides.
Fig. 6 is the step S101 of Foldable display device provided in an embodiment of the present invention schematic diagram.
Fig. 7 is the step S102 of Foldable display device provided in an embodiment of the present invention schematic diagram.
Fig. 8 is the step S103 of Foldable display device provided in an embodiment of the present invention schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1 and Fig. 2 are referred to, the Foldable display device 100 that the embodiment of the present invention one provides has folding function,
Specific to Fig. 2, Foldable display device 100 can carry out the operation such as doubling, and can be frequently in folded state and expansion
Switch between state.Specific to arrive Fig. 1, Foldable display device 100 includes first substrate 10, the first optical adhesive film 20 and second
Substrate 30, in the present embodiment, first substrate 10 is display panel, and second substrate 30 is contact panel, certainly, other embodiment
In, first substrate 10 and second substrate 30 can also be other panels or module in display device.In a kind of embodiment, show
It is active matrix organic light-emitting diode (Active-matrix organic light to show panel (first substrate 10)
Emitting diode, AMOLED) display panel, AMOLED display panel display images definition is high, and goes for soft
Property or Foldable display device 100.In other embodiment, display panel can also be other folding display panels.Touch
Control panel (second substrate 30) is used to realizing the function of touch-control, and in the present embodiment, contact panel can be one layer or two layers conductive
The capacitance type touch-control panel that layer is formed, contact panel also have folding feature.
Please continue to refer to Fig. 1, the first optical adhesive film 20 is located at the side of first substrate 10, and the film of optical cement 50 is set including stacking
The first cured layer 22 and fluidized bed 26 put, the first cured layer 22 are used to conform to first substrate 10, the mobility of fluidized bed 26
It is better than the first cured layer 22, fluidized bed 26 is used for the mobility for improving the first optical adhesive film 20.Specifically, the first cured layer 22 is straight
The surface for being pasted on first substrate 10 is connect, so as to which the first optical adhesive film 20 is pasted on first substrate 10.In the present embodiment, the
One cured layer 22 is by way of ultraviolet light or the mode of heating solidifies, and curing degree is 50%~90%, it is a kind of preferably
In embodiment, curing degree 60%.In a kind of embodiment, the curing depth of the first cured layer 22 accounts for the first optical adhesive film 20
Thickness 10%~30%, in other words, the thickness of the first cured layer 22 account for the thickness of the first optical adhesive film 20 10%~
30%, a kind of preferably in embodiment, the thickness of the first cured layer 22 accounts for the 20% of the thickness of the first optical adhesive film 20.First
Cured layer 22 in the surface cure of the film of optical cement 50 by forming, and the mobility of the first cured layer 22 is poor, sticky good, and first is solid
Change layer 22 and the firm pasting of first substrate 10, repeatedly bending is not easy to produce bubble or disengaging.Fluidized bed 26 has preferably stream
Dynamic property, during Foldable display device 100 is folded, fluidized bed 26 alleviates the transmission of stress, reduces foldable display and sets
Stress superposition effect between standby 100 layers of material;During Foldable display device 100 is deployed, fluidized bed 26 is fast
The shape and state that return to before folding of speed, improve the overall shape resume speed of the film of optical cement 50.In the film of optical cement 50
Thickness direction on, the film of optical cement 50 has different mobility, both with good adhering effect, maintains good stream again
Dynamic property, meet that Foldable display device 100 frequently folds the requirement with expansion.
Please continue to refer to Fig. 1, in the present embodiment, the first optical adhesive film 20 also includes the second cured layer 24, the second cured layer
24 deviate from the side of the first cured layer 22 positioned at fluidized bed 26, and the mobility of fluidized bed 26 is better than the second cured layer 24.Specifically,
Second substrate 30 is located at the side that the first optical adhesive film 20 deviates from first substrate 10, and the second cured layer 24 is directly adhered to the second base
The surface of plate 30, so as to which the first optical adhesive film 20 is pasted on second substrate 30, i.e. first substrate 10 and second substrate 30 is logical
The first optical adhesive film 20 is crossed mutually to be pasted together.In the present embodiment, the second cured layer 24 by way of ultraviolet light or
The mode of heating solidifies, and curing degree is 50%~90%, in a kind of preferably embodiment, curing degree 60%.One kind is implemented
In mode, the curing depth of the second cured layer 24 accounts for the 10%~30% of the thickness of the first optical adhesive film 20, and in other words, second is solid
Change layer 24 thickness account for the first optical adhesive film 20 thickness 10%~30%, a kind of preferably in embodiment, the second solidification
The thickness of layer 24 accounts for the 20% of the thickness of the first optical adhesive film 20.Second cured layer 24 passes through the surface cure in the film of optical cement 50
Formed, the mobility of the second cured layer 24 is poor, sticky good, and the second cured layer 24 and the firm pasting of second substrate 30 are repeatedly curved
Folding is not easy to produce bubble or disengaging.Fluidized bed 26 has preferable mobility, is folding the process of Foldable display device 100
In, fluidized bed 26 alleviates the transmission of stress, reduces the Stress superposition effect between the layers of material of Foldable display device 100;
During Foldable display device 100 is deployed, shape and state that fluidized bed 26 is rapidly returned to before folding, improve
The overall shape resume speed of the film of optical cement 50.On the thickness direction of the film of optical cement 50, the film of optical cement 50 has different stream
Dynamic property, both with good adhering effect, maintains good mobility, meets that Foldable display device 100 frequently folds again
With the requirement of expansion.
Please continue to refer to Fig. 1, in the present embodiment, Foldable display device 100 also includes cover plate 40, and cover plate 40 is located at touch-control
Panel deviates from the side of display panel, and cover plate 40 is pasted on second substrate 30 by optical cement 50, for protecting first substrate
10th, second substrate 30 etc..In the present embodiment, cover plate 40 is flexible transparent cover plate, such as plastics etc., and cover plate 40 has flexibility can
The characteristics of folding.
Referring to Fig. 3, the difference for the Foldable display device 100 and embodiment one that the embodiment of the present invention two provides is,
The second optical adhesive film 202 is additionally provided between cover plate 40 and second substrate 30, cover plate 40 is pasted on by the second optical adhesive film 202
On two substrates 30.Specifically, 50 layers of the second optical cement is identical with 50 layers of the first optical cement, and in other words, cover plate 40 and second substrate
50 layers of the second optical cement between 30 also includes the first cured layer 22, the second cured layer 24 and the fluidized bed 26 being stacked, the
The viscosity of one cured layer 22 and the second optical adhesive film of the second cured layer 24 enhancing 202 and second substrate 30 or cover plate 40, fluidized bed
The mobility of 26 the second optical adhesive films 202 of enhancing, so as to both meet bonding requirements, can alleviate stress again, be easy to recover shape.
Referring to Fig. 4, the difference for the Foldable display device 100 and embodiment one that the bright embodiment three of this law provides is,
Also include second substrate 30 and polaroid 60, second substrate 30 is located between the optical adhesive film 20 of first substrate 10 and first, polarisation
Piece 60 is located at the side that the first optical adhesive film 20 deviates from second substrate 30, and polaroid 60 fits in the by the first optical adhesive film 20
On two substrates 30.Specifically, contact panel is located at the display surface side of display panel, in a kind of embodiment, touch surface is pasted
In on the display surface of display panel, or contact panel is embedded on display panel.First optical adhesive film 20 passes through the first cured layer
22 fit in the surface that second substrate 30 deviates from first substrate 10, and the second cured layer 24 is bonded with polaroid 60.First cured layer
22 in the surface cure of the film of optical cement 50 by forming, and the mobility of the first cured layer 22 is poor, sticky good, the first cured layer 22
With the firm pasting of second substrate 30, repeatedly bending is not easy to produce bubble or disengaging;Second cured layer 24 passes through in optical cement 50
The surface cure of film is formed, and the mobility of the second cured layer 24 is poor, sticky good, and the second cured layer 24 pastes jail with polaroid 60
Gu repeatedly bending is not easy to produce bubble or disengaging.Fluidized bed 26 has preferable mobility, is folding Foldable display device
During 100, fluidized bed 26 alleviates the transmission of stress, reduces the stress between the layers of material of Foldable display device 100
Overlay;During Foldable display device 100 is deployed, shape and shape that fluidized bed 26 is rapidly returned to before folding
State, improve the overall shape resume speed of the film of optical cement 50.On the thickness direction of the film of optical cement 50, the film of optical cement 50 has
Different mobility, both with good adhering effect, good mobility is maintained again, meets Foldable display device 100
Frequently fold the requirement with expansion.
Please continue to refer to Fig. 4, in the present embodiment, Foldable display device 100 also includes cover plate 40, and cover plate 40 is located at polarisation
Piece 60 deviates from the side of second substrate 30, and cover plate 40 is pasted on polaroid 60 by optical cement 50, for protecting first substrate
10th, second substrate 30 etc..In the present embodiment, cover plate 40 is flexible transparent cover plate 40, such as plastics etc., and cover plate 40 has flexibility
Folding feature.
Referring to Fig. 5, the difference for the Foldable display device 100 and embodiment one that the embodiment of the present invention four provides is,
The film of the 3rd optical cement 50 is additionally provided between cover plate 40 and second substrate 30, cover plate 40 is pasted on second by the film of the 3rd optical cement 50
On substrate 30.Specifically, the 3rd optical cement layer 204 is identical with 50 layers of the first optical cement, in other words, cover plate 40 and polaroid 60 it
Between the 3rd optical cement layer 204 also include the first cured layer 22, the second cured layer 24 and the fluidized bed 26 that are stacked, first is solid
Changing layer 22 and second cured layer 24 strengthens the viscosity of the film of the 3rd optical cement 50 and polaroid 60 or cover plate 40, the enhancing of fluidized bed 26 the
The mobility of the film of three optical cement 50, so as to both meet bonding requirements, stress can be alleviated again, be easy to recover shape.
Fig. 6 to Fig. 8 is referred to, the embodiment of the present invention also provides a kind of preparation method of Foldable display device 100, specifically
Step includes:
S101, the first optical adhesive film 20 is provided, the surface of the first optical adhesive film 20 of solidification forms the first cured layer 22, optics
The uncured part of the film of glue 50 forms fluidized bed 26.
Referring to Fig. 6, in the present embodiment, the first cured layer 22 is by way of ultraviolet light or the mode of heating is consolidated
To change, curing degree is 50%~90%, in a kind of preferably embodiment, curing degree 60%.In a kind of embodiment, first is solid
The curing depth of change layer 22 accounts for the 10%~30% of the thickness of the first optical adhesive film 20, in other words, the thickness of the first cured layer 22
Account for the 10%~30% of the thickness of the first optical adhesive film 20, in a kind of preferably embodiment, the thickness of the first cured layer 22 accounts for
The 20% of the thickness of first optical adhesive film 20.For first cured layer 22 by being formed in the surface cure of the film of optical cement 50, first is solid
It is poor, sticky good to change the mobility of layer 22, the first cured layer 22 and the firm pasting of first substrate 10, repeatedly bends and is not easy to produce
Bubble or disengaging.Fluidized bed 26 has preferable mobility, during Foldable display device 100 is folded, fluidized bed 26
Alleviate the transmission of stress, reduce the Stress superposition effect between the layers of material of Foldable display device 100;It is foldable in expansion
During display device 100, shape and state that fluidized bed 26 is rapidly returned to before folding, it is whole to improve the film of optical cement 50
The shape resume speed of body.On the thickness direction of the film of optical cement 50, the film of optical cement 50 has different mobility, both with good
Good adhering effect, maintains good mobility again, meets that Foldable display device 100 frequently folds and the use of expansion will
Ask.
In a kind of embodiment, the first optical adhesive film 20 also includes the second cured layer 24, and the second cured layer 24 is by ultraviolet
The mode of light irradiation or the mode of heating solidify, and curing degree is 50%~90%, and in a kind of preferably embodiment, curing degree is
60%.In a kind of embodiment, the curing depth of the second cured layer 24 accounts for the 10%~30% of the thickness of the first optical adhesive film 20,
In other words, the thickness of the second cured layer 24 accounts for the 10%~30% of the thickness of the first optical adhesive film 20, a kind of preferable embodiment party
In formula, the thickness of the second cured layer 24 accounts for the 20% of the thickness of the first optical adhesive film 20.
S102, first substrate 10 is provided, the first optical adhesive film 20 is fitted on first substrate 10 by the first cured layer 22.
Referring to Fig. 7, in the present embodiment, first substrate 10 is display panel, certainly, in other embodiment, the first base
Plate 10 can also be other panels or module in display device.In a kind of embodiment, display panel (first substrate 10) is
Active matrix organic light-emitting diode (Active-matrix organic light emitting diode, AMOLED) is shown
Panel, AMOLED display panel display images definition is high, and goes for flexible or Foldable display device 100.Other
In embodiment, display panel can also be other folding display panels.
S103, second substrate 30 is provided, second substrate 30 is fitted on first substrate 10 by the first optical adhesive film 20.
Second substrate 30 is contact panel, and certainly, in other embodiment, second substrate 30 can also be in display device
Other panels or module.Contact panel (second substrate 30) is used to realizing the function of touch-control, and in the present embodiment, contact panel can
Think the capacitance type touch-control panel of one layer or two conductive layers formation, contact panel also has folding feature.
First cured layer 22 by being formed in the surface cure of the film of optical cement 50, the mobility of the first cured layer 22 is poor,
Viscosity is good, the first cured layer 22 and the firm pasting of first substrate 10, and repeatedly bending is not easy to produce bubble or disengaging.Fluidized bed 26
With preferable mobility, during Foldable display device 100 is folded, fluidized bed 26 alleviates the transmission of stress, reduces
Stress superposition effect between the layers of material of Foldable display device 100;In the process of expansion Foldable display device 100
In, shape and state that fluidized bed 26 is rapidly returned to before folding, improve the overall shape resume speed of the film of optical cement 50.
On the thickness direction of the film of optical cement 50, the film of optical cement 50 has different mobility, both with good adhering effect, protects again
Good mobility has been held, has met that Foldable display device 100 frequently folds the requirement with expansion.
The above disclosed power for being only several preferred embodiments of the present invention, the present invention can not being limited with this certainly
Sharp scope, one of ordinary skill in the art will appreciate that realizing all or part of flow of above-described embodiment, and weighed according to the present invention
Profit requires made equivalent variations, still falls within and invents covered scope.
Claims (10)
- A kind of 1. Foldable display device, it is characterised in that including:First substrate;First optical adhesive film, positioned at the side of the first substrate, the optical adhesive film includes the first cured layer being stacked And fluidized bed, first cured layer are used to conform to the first substrate, the mobility of the fluidized bed is better than described first Cured layer, the fluidized bed are used for the mobility for improving first optical adhesive film.
- 2. Foldable display device according to claim 1, it is characterised in that first optical adhesive film also includes second Cured layer, second cured layer are located at the side that the fluidized bed deviates from first cured layer, the flowing of the fluidized bed Property is better than second cured layer.
- 3. Foldable display device according to claim 2, it is characterised in that the thickness of first cured layer accounts for described The 10%~30% of the thickness of first optical adhesive film;The thickness of second cured layer accounts for the thickness of first optical adhesive film 10%~30%.
- 4. according to the Foldable display device described in claims 1 to 3 any one, it is characterised in that the foldable display Equipment also includes second substrate, and the second substrate is located at the side that first optical adhesive film deviates from the first substrate, institute State second substrate and fit in second cured layer.
- 5. Foldable display device according to claim 4, it is characterised in that the Foldable display device also includes lid Plate, the cover plate is located at the side that the second substrate deviates from the first substrate, between the cover plate and the second substrate The second optical adhesive film is additionally provided with, the cover plate is pasted on the second substrate by second optical adhesive film.
- 6. according to the Foldable display device described in claims 1 to 3 any one, it is characterised in that the foldable display Equipment also includes second substrate and polaroid, the second substrate be located at the first substrate and first optical adhesive film it Between, the polaroid is located at the side that first optical adhesive film deviates from the second substrate, and the polaroid passes through described the One optical adhesive film is fitted on the second substrate.
- 7. Foldable display device according to claim 6, it is characterised in that the Foldable display device also includes lid Plate, the cover plate are located at the side that the polaroid deviates from the second substrate, between the cover plate and the second substrate also Provided with the 3rd optical adhesive film, the cover plate is pasted on the second substrate by the 3rd optical adhesive film.
- A kind of 8. preparation method of Foldable display device, it is characterised in that including:The first optical adhesive film is provided, the surface for solidifying first optical adhesive film forms the first cured layer, and the optical adhesive film is not The part of solidification forms fluidized bed;First substrate is provided, first optical adhesive film is fitted on the first substrate by first cured layer;Second substrate is provided, the second substrate is fitted on the first substrate by first optical adhesive film.
- 9. the preparation method of Foldable display device according to claim 8, it is characterised in that the second substrate passes through Before first optical adhesive film is fitted on the first substrate, methods described also includes,Solidify first optical adhesive film and form the second cured layer, the fluidized bed away from the surface of the first cured layer side Between first cured layer and second cured layer, the second substrate passes through described in second cured layer fitting First optical adhesive film.
- 10. the preparation method of Foldable display device according to claim 9, it is characterised in that first cured layer Curing degree with second cured layer is 50%~90%.
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Cited By (7)
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CN110570761A (en) * | 2019-08-15 | 2019-12-13 | 武汉华星光电半导体显示技术有限公司 | Flexible display module and flexible display device |
CN110930865A (en) * | 2019-02-14 | 2020-03-27 | 友达光电股份有限公司 | Display device |
CN111105706A (en) * | 2018-10-25 | 2020-05-05 | 北京小米移动软件有限公司 | Screen assembly and electronic equipment |
CN111968504A (en) * | 2020-07-31 | 2020-11-20 | 合肥维信诺科技有限公司 | Display panel capable of being bent in solid state and display device |
CN112542094A (en) * | 2020-12-11 | 2021-03-23 | 合肥维信诺科技有限公司 | Display module and display device |
WO2024174928A1 (en) * | 2023-02-22 | 2024-08-29 | 维沃移动通信有限公司 | Display assembly and electronic device |
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CN108831301A (en) * | 2018-06-15 | 2018-11-16 | 云谷(固安)科技有限公司 | A kind of flexible display screen and flexible display apparatus |
CN108831301B (en) * | 2018-06-15 | 2021-04-27 | 云谷(固安)科技有限公司 | Flexible display screen and flexible display device |
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CN110930865B (en) * | 2019-02-14 | 2021-10-08 | 友达光电股份有限公司 | Display device |
CN110570761A (en) * | 2019-08-15 | 2019-12-13 | 武汉华星光电半导体显示技术有限公司 | Flexible display module and flexible display device |
WO2021027194A1 (en) * | 2019-08-15 | 2021-02-18 | 武汉华星光电半导体显示技术有限公司 | Flexible display module and flexible display device |
CN111968504A (en) * | 2020-07-31 | 2020-11-20 | 合肥维信诺科技有限公司 | Display panel capable of being bent in solid state and display device |
CN111968504B (en) * | 2020-07-31 | 2022-04-19 | 合肥维信诺科技有限公司 | Display panel capable of being bent in solid state and display device |
CN112542094A (en) * | 2020-12-11 | 2021-03-23 | 合肥维信诺科技有限公司 | Display module and display device |
WO2024174928A1 (en) * | 2023-02-22 | 2024-08-29 | 维沃移动通信有限公司 | Display assembly and electronic device |
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