CN108962030A - Flexible display screen, preparation method and display device - Google Patents
Flexible display screen, preparation method and display device Download PDFInfo
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- CN108962030A CN108962030A CN201810791862.9A CN201810791862A CN108962030A CN 108962030 A CN108962030 A CN 108962030A CN 201810791862 A CN201810791862 A CN 201810791862A CN 108962030 A CN108962030 A CN 108962030A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 56
- 229910052751 metal Inorganic materials 0.000 claims abstract description 56
- 238000005452 bending Methods 0.000 claims abstract description 39
- 230000003014 reinforcing Effects 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims description 24
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive Effects 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 239000010408 film Substances 0.000 description 49
- 238000000034 method Methods 0.000 description 7
- 239000012528 membrane Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 229920001721 Polyimide Polymers 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 238000003848 UV Light-Curing Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000003319 supportive Effects 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- 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
Abstract
The present invention relates to a kind of flexible display screen, preparation method and display devices.The flexible display screen includes screen body, metal film and reinforcing layer.Wherein screen body includes viewing area and from the outwardly extending non-display area in viewing area, and non-display area includes bent area and non-bent area.Metal film is attached to the inner surface of bent area, and reinforcing layer is attached to the outer surface of bent area.By the inside adhesion metal film in bent area, so that the thickness of bent area and intensity increase, can integrally be bent when bent area is bent, avoid bent area occur only having part bending extremely discount as.And circuit trace open circuit caused by deforming when adhering to reinforcing layer on the outer surface of bent area and being avoided that bent area by external force, and then avoid screen body and the circuit trace damage of bent area.
Description
Technical field
The present invention relates to field of flexible display, more particularly to flexible display screen, preparation method and display device.
Background technique
With the development of flexible display technologies, flexible display screen has become the development trend of the following display terminal.In order to make
Flexible display screen reaches screen display effect comprehensively, generallys use and realizes the method for non-display area bending, it may be assumed that by flexible display screen
Non-display area be folded into the back side of flexible display screen to reduce screen body border width, and then improve screen accounting.
But flexible display screen, due to its thin, soft characteristic, when bending to bent area, bent area is easy to appear
It extremely discounts caused by only locally bending as and then bent area screen body or circuit trace being led to problems such as to damage failure.
Summary of the invention
Based on this, it is necessary to for how to prevent flexible display screen from damaging Problem of Failure after bending, provide a kind of flexible aobvious
Display screen, preparation method and display device.
A kind of Flexible Displays, including
Shield body；Including viewing area and from the outwardly extending non-display area in the viewing area；The non-display area includes curved
Folding area and non-bent area, the bent area have inner surface and outer surface；
Metal film；It is attached to the inner surface of the bent area；And
Reinforcing layer；It is attached to the outer surface of the bent area.
Above-mentioned flexible display screen includes screen body, metal film and reinforcing layer.Wherein screen body includes viewing area and shows certainly
The outwardly extending non-display area in area, non-display area bent area and non-bent area.Metal film is attached to the inner surface of bent area,
Reinforcing layer is attached to the outer surface of bent area.Due to the thin software feature of flexible display screen, non-display area is being folded into screen body
When the back side, bent area is easy to appear extremely discounting as causing bent area screen body or circuit trace to damage failure of only locally bending.
By the inside adhesion metal film in bent area, so that the thickness of bent area and intensity increase, it can when bent area is bent
Whole bending, avoid bent area occur only having part bending extremely discount as.Metal film can play support to bent area simultaneously
Effect, after screen body bending, bent area is unlikely to deform.And adheres to upper reinforcing layer in the outside of bent area and be avoided that bent area by outer
The masterpiece used time deforms, the open circuit of circuit trace caused by folding line, and then avoids bent area screen body and circuit trace damage.
The metal film has engraved structure in one of the embodiments,.
The engraved structure is recessed vertical with the bent area extending direction of extending direction in one of the embodiments,
Slot.
The engraved structure is to arrange along the direction perpendicular to the bent area extending direction in one of the embodiments,
Multiple grooves.
The reinforcing layer is curable materials in one of the embodiments, and the curable materials include UV glue, silica gel
And it is any one or more in silicone adhesive.
The non-display area includes extending outwardly along the length direction of the flexible display screen in one of the embodiments,
The first non-display area；First non-display area includes the first bent area that can be bent towards the downside of the screen body；Described
The inner surface of one bent area is attached with the metal film；The outer surface of the bent area is attached with the reinforcing layer.
The non-display area further includes extending along the screen body width direction to screen body two sides in one of the embodiments,
The second non-display area and third non-display area, second non-display area includes can be towards the second curved of the downside of the screen body
Folding area；The third non-display area includes the third bent area that can be bent towards the downside of the screen body；Second bent area with
And the inner surface of third bent area is attached with the metal film；The outer surface of second bent area and third bent area
It is attached with the reinforcing layer.
A kind of display device, including above-mentioned flexible display screen, frame and cover sheet, the frame is set in described
Outside flexible display screen surrounding；The cover sheet is attached on the display surface of the flexible display screen.
Above-mentioned display device is mounted with flexible display screen above-mentioned, which passes through the inner surface in bent area
Adhesion metal film can integrally bend when bent area is bent so that the thickness of bent area and intensity increase, avoid bending
Area occur only have part bending extremely discount as.Outer surface in bent area adheres to upper reinforcing layer and is avoided that bent area is bent
Afterwards, the open circuit of circuit trace caused by deforming when by external force, is walked so as to avoid bent area screen body and circuit
Line loss wound, and then improve the service life of display device.
A kind of flexible display screen preparation method, comprising the following steps:
Flexible screen body is provided, the flexible screen body has bent bent area, and the bent area is with close after bending
The inner surface at the back side of the flexible screen body, and the outer surface back to the inner surface；
Inside upper surface in the bent area attaches metal film；
The bent area is bent towards the back side of the flexible screen body；
Adhere to curable materials on the outer surface of the bent area；
Solidify the curable materials, forms reinforcing layer, obtain the flexible display screen.
The preparation method of above-mentioned flexible display screen attaches metal film by the inside in bent area, then after bending
Bent area external spray curable materials, form reinforcing layer by curing process.Metal film can make bent area thickness and
Intensity increases, and can carry out whole bending to bent area when bent area is bent, and avoids bent area and occurs only having part to bend
Extremely discount as.In the external spray of bent area curable materials formed reinforcing layer, be avoided that bent area bending after, by
The open circuit of circuit trace caused by deforming when external force, and then avoid bent area screen body and circuit trace damage.
It is also wrapped before the step of inner surface in the bent area attaches metal film in one of the embodiments,
It includes:
Metal film is provided, the metal film is subjected to hollow processing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the flexible display screen of an embodiment；
Fig. 2 is the screen body structural schematic diagram of flexible display screen shown in Fig. 1；
Fig. 3 is the metal film structures schematic diagram of an embodiment；
Fig. 4 is another embodiment metal film structures schematic diagram；
Fig. 5 is the structural schematic diagram of the screen body of another embodiment；
Fig. 6 is the flow chart of the preparation method of the flexible display screen of an embodiment.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited to the specific embodiments disclosed below.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Referring to Fig. 1 and Fig. 2, the flexible display screen 100 of an embodiment includes screen body 110, and screen body 110 includes viewing area
111 and the non-display area 112 that extends out from viewing area 111.Specifically, viewing area 111 is the display image area for shielding body 110
Domain, non-display area 112 are the not display image area for shielding body 110.Further, be distributed on viewing area 111 light-emitting component, as
The component for displaying images such as pixel array.Non-display area 112 is integrated with for realizing signal transmission, driving light emitting component hair
The driving element 1121 and flexible circuit board 1122 of the functions such as light.It should be noted that for the convenience of description, Fig. 2 shows
Non-display area 112 extends outwardly from a side of viewing area 111, and but it is not limited to this, and non-display area 112 can also be from aobvious
Show that a plurality of side in area 111 extends outwardly.
Further, viewing area 111 include display surface for displaying images and and display surface back to the back side of setting.
It, can be not showing the non-display area 112 of image towards under screen body 110 in order to realize comprehensive screen display of flexible display screen 100
Lateral bending rolls over 180 °, and non-display area 112 is folded into the back side of viewing area 111, to hide non-display area 112, improves display
The area accounting of viewing area 111 on face, to improve the screen accounting of flexible display screen 100.In order to realize the curved of non-display area 112
Folding, non-display area 112 has bent bent area 112a, and the region on non-display area 112 other than the 112a of bent area is
Non- bent area 112b.
Further, bent area 113 has the inner surface after bending close to the back side of screen body 110, and back to inside
The outer surface on surface.In order to reinforce 113 intensity of bent area, flexible display screen 100 further includes the metal for being attached to bent area 113
Film 120 and reinforcing layer 130.Specifically, metal film 120 is attached to the inner surface of bent area 113.Further, metal film
113 material can be selected that toughness is preferable, the lower metal material of density ratio, such as copper, aluminium or titanium alloy.Metal film can be to curved
Folding area plays a supportive role.Reinforcing layer 130 is attached to the outer surface of bent area 113.Reinforcing layer 130 is used for the bending after bending
Area 113 carries out reinforcing strengthening.
Above-mentioned flexible display screen includes screen body 110, metal film 120 and reinforcing layer 130.Wherein screen body 110 includes display
Area 112 and from the outwardly extending non-display area 112 in viewing area, non-display area 112 include can towards screen body on the downside of bend it is curved
Folding area 113 and the non-bent area 112b being connect with bent area.Metal film 120 is attached to the inner surface of bent area 113, reinforces
Layer 120 is attached to the outer surface of bent area 113.Due to the thin software feature of flexible display screen 100, non-display area 113 is curved
Fold to screen 110 back side of body when, bent area 113 be easy to appear only locally bend extremely discount as leading to the screen body of bent area 113
110 or circuit trace damage failure.By the inside adhesion metal film 120 in bent area 113, so that the thickness of bent area 113
And intensity increases, and can integrally bend when bent area 113 is bent, and avoids bent area 113 and occurs there was only part bending
Extremely discount as.Metal film 120 can play a supporting role to bent area 113 simultaneously, and after screen body 110 is bent, bent area 113 is not variable
Shape.And adhere to upper reinforcing layer 130 in the outer surface of bent area 110, it deforms when being avoided that bent area by external force
Caused circuit trace open circuit, and then avoid screen body 110 and the circuit trace damage of bent area 113.
Specifically, referring to Fig. 3 and Fig. 4, in one embodiment, metal film 120 has engraved structure.Further, it engraves
Hollow structure can be to extend and the consistent groove 121 of length direction of bent area 113, wherein the length direction of bent area 113 is
The long side extending direction of bent area 113, i.e. metal film 120 are intermediate blank, all around around the structure of metal material, such as Fig. 3 institute
Show.It should be noted that engraved structure be it is various, engraved structure shown in Fig. 3 is an exemplary illustration, but simultaneously
Without being limited thereto, referring to fig. 4, in other embodiments, engraved structure can also be the more of the length direction arrangement along bent area 113
A groove 122.In addition, engraved structure can also be the reticular structure etc. formed by multiple diamond shape through-holes or circular through hole.Due to
Metal film itself has certain rigidity, is not easy to bend in bending, after metal film 120 is carried out hollow processing, metal film 120
Bending resistance reduce, be bent convenient for bent area 113 is whole.It simultaneously can be by the circuit cable compact district of bent area 113
Domain is set in 120 engraved structure of metal film, and metal film 120 is avoided to cause to squeeze or pull damage to circuit cable.
The material of reinforcing layer 130 is curable materials, such as UV glue, silica gel or silicone adhesive in one of the embodiments,
Deng.Further, reinforcing layer 130 can spray curable materials by the outer of bent area 113, using UV solidification or thermosetting
The curing process such as change are formed.
Specifically, in one embodiment, screen body 110 includes flexible base board and the upper display layer for being set to flexible base board
And driving part, the material of flexible base board can be polyimides, polycarbonate, polyethylene terephthalate, silica gel
Deng with good flexible material.The non-display area that display area can be divided on flexible base board and extended from display area
Domain.Display layer is arranged on the display area of flexible base board, and display layer may include multiple display units for displaying images,
To make the display area of flexible base board form the viewing area 113 of screen body 110, display unit includes such as thin film transistor (TFT), grid
The different display unit such as line, data line, capacitor, anode, cathode, organic luminous layer, color filter film.Driving part setting exists
On the non-display area of flexible base board, the functions such as show for realizing signal transmission, driving image, shield body 110 to be formed
Non-display area 113.Driving part may include driving element 1121 and flexible circuit board 1122 etc..It is carried out to screen body 110
When bending, only the non-display area of flexible base board is bent, and each function on the display area of flexible base board is set
Layer does not need then to be bent.Further, in the present embodiment, screen body 110 uses COP (Chip On Pi chip-on-film)
Encapsulation technology.
Continuing with referring to Fig. 1, polaroid 160 can also be arranged on 110 viewing area 111 of body by shielding, to increase the saturating of screen body 110
Light, and reduce external light reflection.Polaroid 160 can be attached at the viewing area 111 of screen body 110 by the first photosensitive layer 181
On.It can also be arranged on polaroid 181 and touch sensitive layer 170, touch sensitive layer 170 and be integrated with touch sensor to perceive user
Touch operation.Touch the flexible cover plate 190 being additionally provided on sensitive layer 170 for protection screen body 110.Touch sensitive layer 170 with
It is connected between flexible cover plate 190 by the second photosensitive layer 182.Further, the close touch sensitive layer 170 of flexible cover plate 19
The edge of side be also coated with the ink layer 191 for shading, to improve the display effect of flexible display screen 100.Screen
Settable first support membrane 141 in the back side of the viewing area 111 of body 110 shields settable second support of non-bent area 112b of body 110
Film 142.The rigidity of first support membrane 141 and the second support membrane 142 is than screen body the last 110, to carry out rigid branch to screen body 110
Support.In order to limit the crooked process radius of bent area, can also be arranged between the first support membrane 141 and the second support membrane 142 padded
Block 143, keel 143 is pasted by composite layer 144 and the first support membrane 141 to be connected.
As previously mentioned, non-display area can also extend outwardly from a plurality of side of viewing area, it is specifically, another referring to Fig. 5
The screen body 210 of the flexible display screen of embodiment includes viewing area 211 and the non-display area to extend out from viewing area 211.
Specifically, non-display area includes outwardly extending first non-display area 2121 of length direction along screen body 110.First
Non-display area 2121 includes can be towards the first bent area 2131 of the downside bending of the screen body 210 of screen body 210.Non-display area further includes
Width direction along screen body 210 is to the second non-display area 2122 and third non-display area that extend at left and right sides of screen body 210
2123.Wherein, the second non-display area 2122 includes the second bent area 2132 that can be bent towards the downside of screen body 210.Third is non-aobvious
Show that area 2123 includes the third bent area 2133 that can be bent towards the downside of screen body 210.
Specifically, in this embodiment, the first bent area 2131, the second bent area 2132 and third bent area 2133
Inside, i.e. inner surface are pasted with metal film, to be supported to each bent area so that each bent area be able to carry out it is whole
Body bending avoids screen body caused by locally bending and circuit damage.Meanwhile first bent area 2131, the second bent area 2132
And then that is, outer surface is attached with equal reinforcing layer for third bent area 2133 outer, to be carried out to each bent area after bending
Reinforcing strengthening, so while avoiding bent area by external force deform caused by circuit trace open circuit.It should be noted that
In this embodiment, the other technical characteristics of flexible display screen can setting identical as the flexible display screen 100 of a upper embodiment,
This will not be repeated here.
In the embodiment of the application, a kind of display device is also provided, which includes aforementioned any embodiment
Flexible display screen.Further, display device can also include frame to support flexible display panels and to protect
The cover sheet of flexible display screen is protected, frame is set in the surrounding of flexible display panels, and further, frame can be flexibility
, but the rigidity of frame is higher than the rigidity of flexible display panels.Cover sheet is attached on the display surface of flexible display panels.Into
One step, display device can be mobile phone, tablet computer etc..
Above-mentioned display device is mounted with the flexible display screen of aforementioned any embodiment, such as flexible display screen 100.Flexibility is aobvious
Display screen 100 is by the inner surface adhesion metal film 120 in bent area 113, so that the thickness of bent area 113 and intensity increase
Add, bent area 113 bend when can integrally bend, avoid bent area 113 occur only have part bending extremely discount as.?
The outer surface of bent area 113 adheres to upper reinforcing layer 130, after being avoided that bent area 113 is bent, occurs when by external force
Circuit trace open circuit caused by deformation, is damaged, and then improve display so as to avoid bent area screen body and circuit trace
The service life of device.
A kind of preparation method of flexible display screen is also provided in the embodiment of the application referring to Fig. 6:
S110: providing flexible screen body, which has bent bent area, and bent area is with close soft after bending
The inner surface at the property screen body back side, and the outer surface back to inner surface；
Specifically, in one embodiment, flexible screen body include display surface and and display surface back to the back side, on display surface
The non-display area for not showing image that the viewing area to show image can be divided into and extended out from viewing area.It is non-display
At least part in area 112 is the bent area that can be bent towards the back side of flexible screen body.Close to flexible screen body after the bending of bent area
The surface at the back side is inner surface, back to the surface of inner surface is outer surface on bent area.
S120: metal film is attached on the inner surface of bent area.
Specifically, metal film is attached on the inner surface of bent area, to play a supporting role to bent area.Metal film
113 material can be selected that toughness is preferable, the lower metal material of density ratio, such as copper, aluminium or titanium alloy.Further, it is inciting somebody to action
Metal film attaches and before bent area, can show to metal film progress hollow processing, and the pattern of engraved structure can be multiplicity,
It can be multiple grooves that the consistent groove of length direction of extending direction and bent area or the length direction along bent area arrange
Deng.After metal film is carried out hollow processing, the bending resistance of metal film reduces, and is bent convenient for subsequent to bent area.Simultaneously
The intensive region of circuit cable on bent area can be set in metal film engraved structure, metal film is avoided to make circuit cable
At squeezing or pull damage.
S130: bent area is bent towards the back side of flexible screen body.
Specifically, in order to support flexible screen body, the region on the back side of flexible screen body in addition to bent area can attach upper branch
Support film.While in order to limit the bending radius of bent area, upper keel can also be arranged in the back side of flexible screen body.
S140: adhere to curable materials on the outer surface of the bent area.
Specifically, there are many techniques that curable materials are attached to the bent area surface Wai Ze, such as spraying, coating or viscous
Patch is ok.Curable materials include but is not limited to UV glue, silica gel or silicone adhesive etc..
S150: cure curable material forms reinforcing layer, obtains flexible display screen.
Specifically, curing process can be handled for UV curing process or heat cure.Curable materials after solidification can be soft
Property screen body bent area outside formed one layer of reinforcing layer, to carry out reinforcement protection to bent area.
The preparation method of above-mentioned flexible display screen attaches metal film by the inner surface in bent area, is then bending
Bent area outer surface afterwards sprays curable materials, by being formed by curing reinforcing layer.Metal film can make the thickness of bent area
And intensity increases, and can carry out whole bending to bent area when bent area is bent, and avoids bent area and occurs there was only part
Bending extremely discount as.Outer surface in bent area sprays upper curable materials and forms reinforcing layer, is avoided that bent area is bent
Afterwards, the open circuit of circuit trace caused by deforming when by external force, and then avoid bent area screen body and circuit is walked
Line loss wound.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of flexible display screen characterized by comprising
Shield body；Including viewing area and from the outwardly extending non-display area in the viewing area；The non-display area includes bent area
And non-bent area, the bent area have inner surface and outer surface；
Metal film；It is attached to the inner surface of the bent area；And
Reinforcing layer；It is attached to the outer surface of the bent area.
2. flexible display screen according to claim 1, which is characterized in that the metal film has engraved structure.
3. flexible display screen according to claim 2, which is characterized in that the engraved structure be extending direction with it is described curved
The consistent groove of the length direction of folding area.
4. flexible display screen according to claim 2, which is characterized in that the engraved structure is the length along the bent area
Spend multiple grooves of direction arrangement.
5. flexible display screen according to claim 1, which is characterized in that the reinforcing layer be curable materials, it is described can
Curing materials include any one or more in UV glue, silica gel and silicone adhesive.
6. flexible display screen according to any one of claims 1-5, which is characterized in that the non-display area includes along institute
State outwardly extending first non-display area of length direction of screen body；First non-display area includes can be towards lateral bending under the screen body
First bent area of folding；The inner surface of first bent area is attached with the metal film；The outer surface of the bent area
It is attached with the reinforcing layer.
7. flexible display screen according to claim 6, which is characterized in that the non-display area further includes wide along the screen body
The second non-display area and third non-display area that direction extends to screen body two sides are spent, second non-display area includes can be towards institute
State the second bent area bent on the downside of screen body；The third non-display area includes can be towards the third bending of bending on the downside of the screen body
Area；The inner surface of second bent area and the inner surface of third bent area are attached with the metal film；Described
The outer surface of two bent areas and third bent area is attached with the reinforcing layer.
8. a kind of display device, which is characterized in that including flexible display screen such as of any of claims 1-7, frame
And cover sheet, the frame are set in outside the flexible display screen surrounding；The cover sheet is attached to described flexible aobvious
On the display surface of display screen.
9. a kind of preparation method of flexible display screen, which comprises the following steps:
Flexible screen body is provided, the flexible screen body has bent bent area, and the bent area is with close described after bending
The inner surface at the back side of flexible screen body, and the outer surface back to the inner surface；
Metal film is attached on the inner surface of the bent area；
The bent area is bent towards the back side of the flexible screen body；
Adhere to curable materials on the outer surface of the bent area；
Solidify the curable materials, forms reinforcing layer, obtain the flexible display screen.
10. flexible display screen preparation method according to claim 9, which is characterized in that described in the bent area
Before the step of attaching metal film on side surface further include:
Metal film is provided, the metal film is subjected to hollow processing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810791862.9A CN108962030A (en) | 2018-07-18 | 2018-07-18 | Flexible display screen, preparation method and display device |
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| CN201810791862.9A CN108962030A (en) | 2018-07-18 | 2018-07-18 | Flexible display screen, preparation method and display device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449194A (en) * | 2018-12-17 | 2019-03-08 | 武汉华星光电半导体显示技术有限公司 | It is displayed in full screen panel |
| CN109712530A (en) * | 2018-12-28 | 2019-05-03 | 武汉天马微电子有限公司 | Flexible display apparatus and preparation method thereof |
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| CN110649058A (en) * | 2019-09-27 | 2020-01-03 | 京东方科技集团股份有限公司 | Flexible display module and flexible display device |
| WO2020118893A1 (en) * | 2018-12-12 | 2020-06-18 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
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| CN113380852A (en) * | 2020-03-09 | 2021-09-10 | 上海和辉光电有限公司 | Display panel manufacturing method, display panel and display device |
| CN114613289A (en) * | 2022-04-11 | 2022-06-10 | 武汉华星光电半导体显示技术有限公司 | Display screen, preparation method thereof and display device |
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| WO2020124776A1 (en) * | 2018-12-17 | 2020-06-25 | 武汉华星光电半导体显示技术有限公司 | Full-screen display panel |
| CN109712530A (en) * | 2018-12-28 | 2019-05-03 | 武汉天马微电子有限公司 | Flexible display apparatus and preparation method thereof |
| CN109712530B (en) * | 2018-12-28 | 2022-06-17 | 武汉天马微电子有限公司 | Flexible display device and preparation method thereof |
| CN109728057A (en) * | 2019-01-03 | 2019-05-07 | 上海天马微电子有限公司 | Flexible display panels and display device |
| CN112558819A (en) * | 2019-09-10 | 2021-03-26 | 南昌欧菲光科技有限公司 | Conducting film structure, manufacturing method, touch screen and electronic equipment |
| CN110649058A (en) * | 2019-09-27 | 2020-01-03 | 京东方科技集团股份有限公司 | Flexible display module and flexible display device |
| CN110649058B (en) * | 2019-09-27 | 2022-11-04 | 京东方科技集团股份有限公司 | Flexible display module and flexible display device |
| WO2021103349A1 (en) * | 2019-11-25 | 2021-06-03 | 武汉华星光电半导体显示技术有限公司 | Oled display panel and display apparatus |
| CN113380852A (en) * | 2020-03-09 | 2021-09-10 | 上海和辉光电有限公司 | Display panel manufacturing method, display panel and display device |
| CN112071194A (en) * | 2020-09-07 | 2020-12-11 | 武汉华星光电半导体显示技术有限公司 | Display device and electronic apparatus |
| CN112164713A (en) * | 2020-10-21 | 2021-01-01 | 昆山工研院新型平板显示技术中心有限公司 | Flexible display screen, preparation method thereof and display device |
| CN113185927A (en) * | 2021-02-10 | 2021-07-30 | 武汉华星光电半导体显示技术有限公司 | Composite material and display device |
| CN114613289A (en) * | 2022-04-11 | 2022-06-10 | 武汉华星光电半导体显示技术有限公司 | Display screen, preparation method thereof and display device |
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Application publication date: 20181207 Assignee: Yungu (Gu'an) Technology Co., Ltd.|Bazhou Yungu Electronic Technology Co., Ltd.|Kunshan Institute of technology new flat panel display technology center Co., Ltd Assignor: Kunshan Guo Xian Photoelectric Co., Ltd. Contract record no.: X2019990000156 Denomination of invention: Flexible display screen, preparation method of flexible display screen and display device License type: Common License Record date: 20191030 |
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Effective date of registration: 20191209 Address after: No. 2 Xiangshan Avenue, Yongning Street, Zengcheng District, Guangzhou, Guangdong province (the core of Zengcheng economic and Technological Development Zone) Applicant after: Guangzhou Guoxian Technology Co., Ltd Address before: 215300, No. 1, Longteng Road, Kunshan Development Zone, Jiangsu, Suzhou, 4 Applicant before: Kunshan Guo Xian Photoelectric Co., Ltd. |