CN109817834A - Flexible display apparatus and preparation method thereof - Google Patents
Flexible display apparatus and preparation method thereof Download PDFInfo
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- CN109817834A CN109817834A CN201910242307.5A CN201910242307A CN109817834A CN 109817834 A CN109817834 A CN 109817834A CN 201910242307 A CN201910242307 A CN 201910242307A CN 109817834 A CN109817834 A CN 109817834A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
Abstract
The present invention provides a kind of flexible display apparatus and preparation method thereof.Flexible display apparatus includes: the elastic layer of flexible display panels and the package flexible display panels with thin-film packing structure.The preparation method of flexible display apparatus includes: the flexible display panels that preparation has thin-film packing structure；Form the elastic layer for wrapping up the flexible display panels.The present invention uses the assembled package structure of thin-film package and the outer spring packaging of panel in panel; the encapsulation requirement of steam penetrance and oxygen penetration rate can not only be met; and original flexible package structure can be protected; it realizes the highly flexible of entire flexible display apparatus and can adaptively adjust the bending curvature of itself according to use environment, improve the reliability in flexible application.
Description
Technical field
The present invention relates to field of display technology, and in particular to a kind of flexible display apparatus and preparation method thereof.
Background technique
Organic Light Emitting Diode (Organic Light Emitting Diode, OLED) is active light-emitting display device,
With self-luminous, wide viewing angle, high contrast, full-color display, light weight, thickness is thin, bent, low power consumption, high reaction speed
The advantages that.With the continuous development of display technology, OLED technology is increasingly used in flexible display apparatus, and flexible aobvious
Showing device just gradually develops to three-dimensional changeable mode by two-dimensional directional changeable mode.
Studies have shown that realizing that the flexible freedom degree of flexibility OLED discharges the lamination being largely dependent upon in oled panel
Structure, wherein encapsulating structure is affected to the bending property of flexible OLED.Since organic material is easily reacted with water oxygen, base
In the OLED of organic material to being packaged with very high requirement.Existing packaged type mainly includes cover board packaged type and film envelope
Dress mode, although thin-film package mode has the characteristics that frivolous, pliable, it is related that its packaging effect is not able to satisfy flexible OLED
The requirement of steam penetrance and oxygen penetration rate.Currently, flexibility OLED generallys use cover board packaged type, cover board is based on ultra-thin
The material of bend glass and the exploitation of transparent high-modulus macromolecule, technical characterstic are to guarantee encapsulation effect with the high mould membrane material of hard
Fruit, while can also guarantee the surface hardness and scratch-resistant characteristic of flexible OLED.
Through present inventor the study found that due to easily occurring stress concentration when the bending of ultra-thin bend glass, and glass is certainly
Body has brittle nature, while high-modulus high molecular material deposits the characteristic of restorative difference upon bending, therefore existing flexibility OLED
The defects of being difficult to recover after frangible, bending when in the presence of bending.
Summary of the invention
The embodiment of the present invention the technical problem to be solved is that, provide a kind of flexible display apparatus and preparation method thereof, with
It solves the problems, such as to be difficult to recover after frangible, bending in bending of the existing technology.
In order to solve the above-mentioned technical problem, the embodiment of the invention provides a kind of flexible display apparatus, comprising: has film
The flexible display panels of encapsulating structure, and the elastic layer of the package flexible display panels.
Optionally, the elastic layer includes the first surface layer being oppositely arranged with the flexible display panels front and institute
State the second surface layer and be connected to the first surface layer and second surface layer surrounding that the flexible display panels back side is oppositely arranged
Abutment wall, the first surface layer, abutment wall and second surface layer form the accommodating chamber for accommodating the flexible display panels.
Optionally, the material of the elastic layer includes rubber or gel, the elastic layer with a thickness of 10 microns~1000
Micron.
Optionally, the gel includes silica gel, the elastic layer with a thickness of 10 microns~500 microns.
Optionally, the outer surface of the elastic layer is provided with the viscous layer for being bonded on corresponding surface.
Optionally, the viscous layer is by carrying out surface treatment formation to the elastic layer.
Optionally, matcoveredn is arranged in the outer surface of the elastic layer, and the protective layer includes for improving Flexible Displays
First protective layer of the operability of device, and/or, the second protective layer of the transfer efficiency for improving flexible display apparatus.
Optionally, the material of first protective layer includes polyimides or polyethylene terephthalate, micro- with a thickness of 5
Rice~2000 microns；The material of second protective layer includes rubber or gel, with a thickness of 5 microns~2000 microns.
In order to solve the above-mentioned technical problem, the embodiment of the invention also provides a kind of preparations of flexible display apparatus
Method, comprising:
Preparation has the flexible display panels of thin-film packing structure；
Form the elastic layer for wrapping up the flexible display panels.
Optionally, the elastic layer for wrapping up the flexible display panels is formed, comprising: formed described in package using coating method
The elastic layer of flexible display panels wraps up elastic layer alternatively, realizing using injection molding manner outside flexible display panels.
Optionally, the material of the elastic layer includes rubber or gel, the elastic layer with a thickness of 10 microns~1000
Micron.
Optionally, further includes: form the viscous layer for being bonded on corresponding surface on the surface of the elastic layer.
Optionally, the viscous layer is by carrying out surface treatment formation to the elastic layer.
Optionally, further includes: form protective layer on the surface of the elastic layer, the protective layer includes for improving flexibility
First protective layer of the operability of display device, and/or, the second protection of the transfer efficiency for improving flexible display apparatus
Layer.
Optionally, the material of first protective layer includes polyimides or polyethylene terephthalate, micro- with a thickness of 5
Rice~2000 microns；The material of second protective layer includes rubber or gel, with a thickness of 5 microns~2000 microns.
The embodiment of the invention provides a kind of flexible display apparatus and preparation method thereof, using thin-film package in panel and face
The assembled package structure of the outer spring packaging of plate, can not only meet the encapsulation requirement of steam penetrance and oxygen penetration rate, and
Original flexible package structure can be protected, realizes the highly flexible of entire flexible display apparatus and can be adaptive according to use environment
The bending curvature of itself should be adjusted, the reliability in flexible application is improved.Compared with existing thin-film package mode, the present invention is implemented
The assembled package structure of example effectively increases packaging effect, can satisfy the related steam penetrance of flexible display apparatus and oxygen is worn
The requirement of saturating rate.Compared with existing cover board packaged type, due in the assembled package structure of the embodiment of the present invention without rigidity or
High-modulus cover board solves the problems, such as to be difficult to recover after frangible, bending in bending of the existing technology.
Certainly, implement any of the products of the present invention or method it is not absolutely required at the same reach all the above excellent
Point.Other features and advantages of the present invention will illustrate in subsequent specification embodiment, also, partly implement from specification
It is become apparent in example, or understand through the implementation of the invention.The purpose of the embodiment of the present invention and other advantages can pass through
Specifically noted structure is achieved and obtained in the specification, claims and drawings.
Detailed description of the invention
Attached drawing is used to provide to further understand technical solution of the present invention, and constitutes part of specification, with this
The embodiment of application technical solution for explaining the present invention together, does not constitute the limitation to technical solution of the present invention.Attached drawing
In the shapes and sizes of each component do not reflect actual proportions, purpose is schematically illustrate the content of present invention.
Fig. 1 is the structural schematic diagram of flexible display apparatus first embodiment of the present invention；
Fig. 2 is the structural schematic diagram of first embodiment of the invention flexible display panels；
Fig. 3 is the structural schematic diagram of first embodiment of the invention elastic layer；
Fig. 4 is the structural schematic diagram of flexible display apparatus second embodiment of the present invention；
Fig. 5 is that the second embodiment of the invention flexible display apparatus back side is attached to the schematic diagram in support platform；
Fig. 6 a and Fig. 6 b are that second embodiment of the invention flexible display apparatus front is attached to the schematic diagram on transparent platform；
Fig. 7 is a kind of schematic diagram for implementing structure of flexible display apparatus 3rd embodiment of the present invention；
Fig. 8 is the schematic diagram that flexible display apparatus 3rd embodiment another kind of the present invention implements structure；
Fig. 9 is the schematic diagram of another implementation structure of flexible display apparatus 3rd embodiment of the present invention.
Description of symbols:
10-flexible display panels；11-flexible substrates；12-light emitting structure layers；
13-thin-film encapsulation layers；20-elastic layers；21-first surface layers；
22-second surface layers；23-abutment walls；30-viscous layers；
41-the first protective layer；42-the second protective layer；100-flexible display apparatus；
200-support platforms；300-transparent platforms.
Specific embodiment
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawings and examples.Following embodiment
For illustrating the present invention, but it is not intended to limit the scope of the invention.It should be noted that in the absence of conflict, the application
In embodiment and embodiment in feature can mutual any combination.
In order to solve the problems, such as to be difficult to recover after frangible, bending in bending of the existing technology, to adapt to different application field
The demand that scape, different curvature change, the embodiment of the invention provides a kind of flexible display apparatus.Flexible Displays of the embodiment of the present invention
The main structure of device includes flexible display panels and elastic layer, and the flexible display panels have thin-film packing structure, described
Elastic layer wraps up the flexible display panels.
The embodiment of the invention provides a kind of flexible display apparatus, using spring packaging outside thin-film package in panel and panel
Assembled package structure, the encapsulation requirement of steam penetrance and oxygen penetration rate can not only be met, and can protect original
Flexible package structure realizes the highly flexible of entire flexible display apparatus and can adaptively adjust itself according to use environment
Bending curvature improves the reliability in flexible application.Compared with existing thin-film package mode, the assembled package of the embodiment of the present invention
Structure effectively increases packaging effect, can satisfy requirement of the flexible display apparatus in relation to steam penetrance and oxygen penetration rate.
Compared with existing cover board packaged type, due in the assembled package structure of the embodiment of the present invention without rigidity or high-modulus cover board,
It solves the problems, such as to be difficult to recover after frangible, bending in bending of the existing technology.
Below by the technical solution of specific embodiment the present invention will be described in detail embodiment.
First embodiment
Fig. 1 is the structural schematic diagram of flexible display apparatus first embodiment of the present invention.As shown in Figure 1, the present embodiment is flexible
The main structure of display device includes flexible display panels 10 and elastic layer 20, is provided with thin-film package in flexible display panels 10
Structure, elastic layer 20 wrap up flexible display panels 10, and elastic layer 20 is used to adjust flexible display panels 10 according to use environment curved
Bent curvature.
Fig. 2 is the structural schematic diagram of first embodiment of the invention flexible display panels.As shown in Fig. 2, the present embodiment is flexible
Display panel 10 includes the light emitting structure layer 12 being arranged in flexible substrates 11 and thin-film encapsulation layer 13, light emitting structure layer 12 include
The multiple luminescence units in matrix-style arrangement formed in flexible substrates 11, thin-film encapsulation layer 13 include organic material/nothing
The composite layer of machine material, thin-film encapsulation layer 13 are arranged on light emitting structure layer 12 and connect with flexible substrates 11, are formed flexible aobvious
Show the thin-film packing structure in panel with the oxygen ability that blocks water.
Fig. 3 is the structural schematic diagram of first embodiment of the invention elastic layer.As shown in figure 3, elastic layer 20 includes the first table
Surface layer 21, second surface layer 22 and abutment wall 23, first surface layer 21 and the front of flexible display panels 10 are oppositely arranged, the second table
Surface layer 22 and the back side of flexible display panels 10 are oppositely arranged, and abutment wall 23 is connected to first surface layer 21 and second surface layer vertically
22 surrounding makes first surface layer 21, abutment wall 23 and second surface layer 22 be formed together the appearance for accommodating flexible display panels
Receive chamber.
In the present embodiment, elastic layer can use rubber material, gel rubber material or other high resiliency high molecular materials, gel
Material can be silica gel, be solidified under room temperature with gel form, have that low modulus, high resiliency, resilience be good, HI high impact energy absorption
The features such as.Comprehensive encapsulation performance, light transmission and use environment, the thickness of the present embodiment elastic layer may be configured as 10 microns~
1000 microns.Preferably, elastic layer with a thickness of 10 microns~500 microns.
The technical solution of the present embodiment is further illustrated below by the preparation process of the present embodiment flexible display apparatus.
Firstly, preparation has the flexible display panels of thin-film packing structure.In the present embodiment, the preparation of flexible display panels
Process is substantially the same with the preparation process of the relevant technologies, and only packaged type uses thin-film package, rather than cover board encapsulates.This
The preparation process of embodiment flexible display panels may include: that (1) is coated with flexible material, film-forming, shape in glass support plate
At flexible substrates.(2) thin-film transistor structure is prepared on a flexible substrate.Thin-film transistor structure includes a plurality of grid line and a plurality of
Data line, a plurality of grid line and multiple data lines square crossing limit the luminescence unit (sub-pixel) of multiple matrix arrangements, each
Luminescence unit is provided with thin film transistor (TFT).Thin film transistor (TFT) can be top gate structure or bottom grating structure, can be double grid or single grid.
Thin film transistor (TFT) can be amorphous silicon (a-Si) thin film transistor (TFT), low temperature polycrystalline silicon (LTPS) thin film transistor (TFT) or oxide
(Oxide) thin film transistor (TFT).(3) planarization layer is formed, planarization layer offers the mistake for exposing the drain electrode of thin film transistor (TFT)
Hole.(4) anode is formed, anode is connect by via hole with drain electrode.(5) pixel defining layer is formed, pixel defining layer limits cruelly
Reveal the light emitting region of anode.(6) organic luminous layer and cathode is successively deposited, the anode in organic luminous layer and light emitting region connects
It connects, cathode is arranged on organic luminous layer.(7) packaging film is formed, packaging film covers above-mentioned film layer, and connects with flexible substrates
It connects, packaging film can use inorganic material/organic material/inorganic material laminated construction.(8) glass support plate is removed, is formed
The present embodiment flexible display panels.
Secondly, forming the elastic layer of package flexible display panels.In the present embodiment, it can be realized using coating method flexible
Elastic layer is wrapped up outside display panel.For example, first coating the elasticity of one layer of liquid on a surface of flexible display panels and four sides
Then material overturns flexible display panels, coat the elastic material of one layer of liquid on another surface and four sides, finally by
It is formed by curing the elastic layer of package flexible display panels.In addition, the present embodiment can also realize Flexible Displays using injection molding manner
Elastic layer is wrapped up outside panel.For example, first flexible display panels are placed in grinding tool, then in grinding tool filling liquid elasticity
Material, finally by the elastic layer for being formed by curing package flexible display panels.Wherein, coating method and injection molding manner are abilities
The technology mode of domain maturation.In fact, elastic layer can also be formed using other techniques, the present invention is not specifically limited herein.
The present embodiment flexible display apparatus wraps up flexible display panels using rubber material or gel rubber material, on the one hand passes through
The assembled package structure of thin-film package guarantees that packaging effect, encapsulating structure do not use rigidity in the outer spring packaging of panel and panel
Or high-modulus cover board, it is on the other hand good using low modulus, high resiliency and the resilience of rubber material or gel rubber material the features such as, it is real
The now highly flexible of entire flexible display apparatus and excellent bending recovery.Experiments have shown that the present embodiment flexible display apparatus
It can be achieved largely to be bent, bending curvature radius R is 1mm~100000mm.Meanwhile utilizing rubber material or gel rubber material
The features such as high resiliency and HI high impact energy absorption, not only increases the shock resistance of entire flexible display apparatus and falling sphere of starting to write
Reliability, and it is possible to prevente effectively from the defects of scratch, crack occurs in flexible display apparatus, even if there is scratch or crack,
Defect can be easily removed by modes such as heating.Wherein, falling sphere of starting to write is freely to fall pen or ball in certain altitude
Whether there is the test of phenomena such as cracking, rupture with test product.
Second embodiment
Fig. 4 is the structural schematic diagram of flexible display apparatus second embodiment of the present invention.The present embodiment is aforementioned first implementation
A kind of extension of example, the main structure of the present embodiment flexible display apparatus is identical as aforementioned first embodiment, including is provided with thin
The flexible display panels 10 of film encapsulating structure and package 10 elastic layer 20 of flexible display panels, elastic layer 20 using rubber material or
Gel rubber material, unlike aforementioned first embodiment, the first surface layer 21 and/or second surface of the present embodiment elastic layer 20
Layer 22 is provided with viscous layer 30, and viscous layer 30 is bonded in corresponding surface for adaptability, and can be according to the radian of corresponding surface
The curvature of adaptive adjustment flexible display apparatus itself.
Fig. 5 is that the second embodiment of the invention flexible display apparatus back side is attached to the schematic diagram in support platform.In the reality
It applies in example, viscous layer can be set at the back side of flexible display apparatus 100, that is, the surface of second surface layer is arranged in.Due to this
The flexible display apparatus 100 of embodiment has highly flexible, therefore flexible display apparatus 100 is placed on support platform 200 and is had
When having on the surface of certain curvature, flexible display apparatus 100 then adaptively adjusts itself according to the radian on 200 surface of support platform
Curvature, be bonded entire flexible display apparatus 100 completely with the surface of support platform 200.Since the flexibility of the present embodiment is aobvious
Viscous layer is arranged in the back side of showing device 100, therefore is bonded at the back side of flexible display apparatus 100 with the surface of support platform 200
When can be realized simultaneously bonding, flexible display apparatus 100 is fixed in support platform 200, as shown in Figure 5.
Fig. 6 a and Fig. 6 b are that second embodiment of the invention flexible display apparatus front is attached to the schematic diagram on transparent platform.
In this embodiment, viscous layer can be set in the front of flexible display apparatus 100, that is, the surface of first surface layer is arranged in.
Since the flexible display apparatus 100 of the present embodiment has highly flexible and front setting viscous layer, when operator will be soft
Property display device 100 is sticked when on the surface of transparent platform 300, and flexible display apparatus 100 can be according to transparent platform 300
The radian on surface adaptively adjusts the curvature of itself, pastes entire flexible display apparatus 100 and the surface of transparent platform 300 completely
Merge bonding, flexible display apparatus 100 is fixed on transparent platform 300, as shown in figures 6 a and 6b.
In the present embodiment, viscous layer can be formed by carrying out surface treatment to elastic layer.It should be noted that viscous layer
Viscosity not only to guarantee certain binding force, but also to have easily from the characteristic for attaching interface peel, realize low mobile cost.
When actual implementation, the demand of different surfaces is set according to flexible display apparatus, can be surface-treated accordingly, to adapt to
And meet interface cohesion requirement.In relation to being surface-treated the method to form viscosity to rubber material or gel rubber material, for this
Known to the technical staff of field, which is not described herein again.
When actual implementation, elastic layer and viscous layer can use integral structure, that is, wrap up the rubber material of flexible display apparatus
Material or gel rubber material itself have certain viscosity, can make the front of entire flexible display apparatus or the surface at the back side and platform
It is bonded and bonds completely, while being easily transferred to other surfaces.
Flexible display apparatus provided in this embodiment such as meets envelope not only with the beneficial effect of aforementioned first embodiment
Reload request and highly flexible etc., and by setting viscous layer, the surface of entire flexible display apparatus Yu various curvature can be made
It is bonded and bonds completely, plurality of application scenes can be suitable for, arrange in pairs or groups and adapt to a variety of different platforms.
3rd embodiment
The present embodiment is a kind of extension of aforementioned first embodiment, and the main structure of the present embodiment flexible display apparatus is with before
It is identical to state first embodiment, unlike aforementioned first embodiment, the present embodiment is additionally provided with protective layer.
Fig. 7 is a kind of schematic diagram for implementing structure of flexible display apparatus 3rd embodiment of the present invention.As shown in fig. 7, this reality
Applying structure includes the elastic layer 20 for being provided with the flexible display panels 10 and package flexible display panels 10 of thin-film packing structure, bullet
Property layer 20 use rubber material or gel rubber material, be provided with the first protective layer 41 on the first surface layer 21 of elastic layer 20, first
Protective layer 41 is used to improve the operability of flexible display apparatus.
In this implementation structure, the first protective layer 41 can be using materials such as polyimides PI, polyethylene terephthalate PET
Material, with a thickness of 5 microns~2000 microns.This implementation structure passes through the shape on first surface layer 21 (front of flexible display apparatus)
At first protective layer with certain rigidity, family can be used to the operation (such as touch operation) of flexible display apparatus more just
It is sharp and smooth.In addition, the first protective layer can also protect flexible display apparatus from pollution in use, cleaning cost is reduced.
It, can also be the first protective layer be arranged on second surface layer 22 (back side of flexible display apparatus), also when actual implementation
The first protective layer can be respectively provided in first surface layer 21 and second surface layer 22.Although the first protective layer is arranged to Flexible Displays
The flexibility and bending recovery of device have certain influence, but since the first protective layer is than relatively thin, the present embodiment flexible display apparatus
Still there is good flexible and bending recovery.
Fig. 8 is the schematic diagram that flexible display apparatus 3rd embodiment another kind of the present invention implements structure.As shown in figure 8, this
Implementing structure includes the elastic layer 20 for being provided with the flexible display panels 10 and package flexible display panels 10 of thin-film packing structure,
Elastic layer 20 uses rubber material or gel rubber material, is provided with the second protective layer 42 on the second surface layer 22 of elastic layer 20, the
Two protective layers 42 are used to improve the transfer efficiency of flexible display apparatus.
In this implementation structure, the second protective layer 42 can use rubber material or gel rubber material, with a thickness of 5 microns~2000
Micron.This implementation structure is by forming rubber material or gel rubber material on second surface layer 22 (back side of flexible display apparatus)
The second protective layer, can use the second protective layer and be bonded with respective interface, when multiple fitting and removing lead to the second protective layer
Fitting effect reduce when, by replace the second protective layer 42, transferable number can be increased.In addition, the second protective layer may be used also
To protect flexible display apparatus from pollution in use, cleaning cost is reduced.
When actual implementation, the second protective layer can also be set in first surface layer 21 (front of flexible display apparatus), also
The second protective layer can be respectively provided in first surface layer 21 and second surface layer 22.Due to the second protective layer using rubber material or
Gel rubber material, thus the present embodiment flexible display apparatus still has highly flexible and excellent bending recovery.
Fig. 9 is the schematic diagram of another implementation structure of flexible display apparatus 3rd embodiment of the present invention.As shown in figure 9, this
Implement to be provided with the first protective layer 41, the second surface layer 22 of elastic layer 20 on the first surface layer 21 of elastic layer 20 in structure
On be provided with the second protective layer 42, the operability of flexible display apparatus not only can be improved, but also flexible display apparatus can be improved
Transfer efficiency.
Flexible display apparatus provided in this embodiment such as meets envelope not only with the beneficial effect of aforementioned first embodiment
Reload request and highly flexible etc., and by the first protective layer of setting and/or the second protective layer, Flexible Displays dress both can be improved
The operability set, and the transfer efficiency of flexible display apparatus can be improved, improve the satisfaction that user uses.
Although technical solution of the present invention is illustrated in previous embodiment, when actual implementation, the embodiment of the present invention is soft
Property display device can also realize various structures extend.For example, aforementioned second embodiment and 3rd embodiment group can be closed
Come, in the first protective layer of front setting of flexible display apparatus, the second protective layer is set at the back side of flexible display apparatus, the
Viscous layer or the second protective layer are set on two protective layers and viscous layer setting is into a single integrated structure, will not enumerate here.
Flexible display apparatus provided by the embodiment of the present invention can be with are as follows: mobile phone, tablet computer, television set, notebook electricity
Brain, touch screen, medical monitors, billboard, personal digital assistant, Digital Frame, digital camera, view finder, navigator, wearing
Any products or components having a display function such as equipment.
Fourth embodiment
Technical concept based on previous embodiment additionally provides a kind of preparation of flexible display apparatus in the embodiment of the present invention
Method.The preparation method of the present embodiment flexible display apparatus includes:
S1, preparation have the flexible display panels of thin-film packing structure；
S2, the elastic layer for wrapping up the flexible display panels is formed.
Wherein, step S1 is substantially the same with the preparation process of the relevant technologies, and only packaged type uses thin-film package, and
It is not cover board encapsulation.
Wherein, step S2 includes: the elastic layer for wrapping up the flexible display panels to be formed using coating method, or use
Injection molding manner, which is realized, wraps up elastic layer outside flexible display panels.
Wherein, elastic layer uses rubber material or gel rubber material, and gel includes silica gel, elastic layer with a thickness of 10 microns~
1000 microns.Preferably, elastic layer with a thickness of 10 microns~500 microns.
Wherein, the preparation method of flexible display apparatus further include: formed on the surface of the elastic layer for being bonded in phase
Answer the viscous layer on curved surface.
Wherein, the viscous layer is formed by carrying out surface treatment to the elastic layer.Viscous layer can be formed in elasticity
On the first surface layer (front) of layer, it can also be formed on the second surface layer (reverse side) of elastic layer, can also be formed simultaneously
On first surface layer and second surface layer.
Wherein, the preparation method of flexible display apparatus further include: form protective layer on the surface of the elastic layer.
Wherein, protective layer can be the first protective layer for improving flexible display apparatus operability, can be formed in bullet
Property layer first surface layer (front) on, can also be formed on the second surface layer (reverse side) of elastic layer, can also simultaneously shape
At on first surface layer and second surface layer.First protective layer can use polyimides PI, polyethylene terephthalate
The materials such as PET, with a thickness of 5 microns~2000 microns.
Wherein, protective layer can be the second protective layer of the transfer efficiency for improving flexible display apparatus, can be formed
On the first surface layer (front) of elastic layer, it can also be formed on the second surface layer (reverse side) of elastic layer, it can also be same
When be formed on first surface layer and second surface layer.Second protective layer can use rubber material or gel rubber material, with a thickness of 5
Micron~2000 microns.
Wherein, protective layer can be the first protective layer for improving flexible display apparatus operability and for improving flexibility
Second protective layer of the transfer efficiency of display device, the first protective layer are formed on the first surface layer of elastic layer, the second protection
Layer is formed on the second surface layer of elastic layer, and the operability of flexible display apparatus not only can be improved, but also can be improved flexible aobvious
The transfer efficiency of showing device.
Wherein, it structure, material and its relevant parameter in relation to elastic layer, viscous layer and protective layer and its prepared in detail
Journey is described in detail in the aforementioned embodiment, and which is not described herein again.
The embodiment of the invention provides a kind of preparation methods of flexible display apparatus, using thin-film package in panel and panel
The assembled package structure of outer spring packaging can not only meet the encapsulation requirement of steam penetrance and oxygen penetration rate, Er Qieneng
Original flexible package structure is enough protected, realizes the highly flexible of entire flexible display apparatus and can be adaptive according to use environment
The bending curvature of itself is adjusted, the reliability in flexible application is improved.Compared with existing thin-film package mode, the embodiment of the present invention
It is formed by assembled package structure and effectively increases packaging effect, can satisfy the related steam penetrance of flexible display apparatus and oxygen
The requirement of gas penetrance.Compared with existing cover board packaged type, since the embodiment of the present invention is formed by assembled package structure
Without rigidity or high-modulus cover board, solve the problems, such as to be difficult to recover after frangible, bending in bending of the existing technology.
In the description of the embodiment of the present invention, it is to be understood that term " middle part ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom" "inner", "outside" be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In the description of the embodiment of the present invention, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Although disclosed herein embodiment it is as above, the content only for ease of understanding the present invention and use
Embodiment is not intended to limit the invention.Technical staff in any fields of the present invention is taken off not departing from the present invention
Under the premise of the spirit and scope of dew, any modification and variation, but the present invention can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (15)
1. a kind of flexible display apparatus characterized by comprising the flexible display panels with thin-film packing structure, and packet
Wrap up in the elastic layer of the flexible display panels.
2. flexible display apparatus according to claim 1, which is characterized in that the elastic layer includes and the Flexible Displays
The first surface layer that panel front is oppositely arranged and the second surface layer that the flexible display panels back side is oppositely arranged and connection
In the abutment wall of the first surface layer and second surface layer surrounding, the first surface layer, abutment wall and second surface layer, which are formed, to be held
Set the accommodating chamber of the flexible display panels.
3. flexible display apparatus according to claim 1, which is characterized in that the material of the elastic layer includes rubber or coagulates
Glue, the elastic layer with a thickness of 10 microns~1000 microns.
4. flexible display apparatus according to claim 3, which is characterized in that the gel includes silica gel, the elastic layer
With a thickness of 10 microns~500 microns.
5. flexible display apparatus according to any one of claims 1 to 4, which is characterized in that the outer surface of the elastic layer is set
It is equipped with the viscous layer for being bonded on corresponding surface.
6. flexible display apparatus according to claim 5, which is characterized in that the viscous layer is by the elastic layer
Carry out surface treatment formation.
7. flexible display apparatus according to any one of claims 1 to 4, which is characterized in that the outer surface of the elastic layer is set
It is equipped with protective layer, the protective layer includes the first protective layer for improving the operability of flexible display apparatus, and/or, it is used for
Improve the second protective layer of the transfer efficiency of flexible display apparatus.
8. flexible display apparatus according to claim 7, which is characterized in that the material of first protective layer includes polyamides
Imines or polyethylene terephthalate, with a thickness of 5 microns~2000 microns；The material of second protective layer include rubber or
Gel, with a thickness of 5 microns~2000 microns.
9. a kind of preparation method of flexible display apparatus characterized by comprising
Preparation has the flexible display panels of thin-film packing structure；
Form the elastic layer for wrapping up the flexible display panels.
10. preparation method according to claim 9, which is characterized in that form the elasticity for wrapping up the flexible display panels
Layer, comprising: the elastic layer for wrapping up the flexible display panels is formed using coating method, alternatively, realizing using injection molding manner soft
Property display panel outside wrap up elastic layer.
11. preparation method according to claim 9, which is characterized in that the material of the elastic layer includes rubber or gel,
The elastic layer with a thickness of 10 microns~1000 microns.
12. according to any preparation method of claim 9~11, which is characterized in that further include: in the table of the elastic layer
Face forms the viscous layer for being bonded on corresponding surface.
13. preparation method according to claim 12, which is characterized in that the viscous layer be by the elastic layer into
Row surface treatment is formed.
14. according to any preparation method of claim 9~11, which is characterized in that further include: in the table of the elastic layer
Face forms protective layer, and the protective layer includes the first protective layer for improving the operability of flexible display apparatus, and/or, it uses
In the second protective layer of the transfer efficiency for improving flexible display apparatus.
15. preparation method according to claim 14, which is characterized in that the material of first protective layer includes polyamides Asia
Amine or polyethylene terephthalate, with a thickness of 5 microns~2000 microns；The material of second protective layer includes rubber or coagulates
Glue, with a thickness of 5 microns~2000 microns.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910242307.5A CN109817834A (en) | 2019-03-28 | 2019-03-28 | Flexible display apparatus and preparation method thereof |
| PCT/CN2020/075035 WO2020192292A1 (en) | 2019-03-28 | 2020-02-13 | Flexible display apparatus and preparation method therefor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910242307.5A CN109817834A (en) | 2019-03-28 | 2019-03-28 | Flexible display apparatus and preparation method thereof |
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| CN109817834A true CN109817834A (en) | 2019-05-28 |
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| CN (1) | CN109817834A (en) |
| WO (1) | WO2020192292A1 (en) |
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| WO2020192292A1 (en) * | 2019-03-28 | 2020-10-01 | 京东方科技集团股份有限公司 | Flexible display apparatus and preparation method therefor |
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| WO2020192292A1 (en) | 2020-10-01 |
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