CN109559639A - A kind of display panel and display device - Google Patents
A kind of display panel and display device Download PDFInfo
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- CN109559639A CN109559639A CN201811446345.4A CN201811446345A CN109559639A CN 109559639 A CN109559639 A CN 109559639A CN 201811446345 A CN201811446345 A CN 201811446345A CN 109559639 A CN109559639 A CN 109559639A
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- base board
- flexible base
- display panel
- area
- bent area
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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
-
- 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
-
- 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
- G09F9/35—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 liquid crystals
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
Abstract
The invention discloses a kind of display panel and display devices, and wherein display panel includes: flexible base board, and flexible base board includes viewing area and the bent area positioned at viewing area at least side；Curving of the flexible base board of bent area to the light-emitting surface far from display panel, supporting module is provided on the inside of the bending of bent area, the first surface and flexible base board of supporting module are bonded by the first adhesive layer, first surface is arcuate surface, the radius of first surface is equal to the crooked process radius of bent area, and then it can accurately control the crooked process radius of bent area, the excessive tensile of outlet when preventing from bending flexible base board, and supporting module can be supported protection to bent area, prevent bent area from dead folding occur, avoid bent area walks thread breakage, improve the reliability of display panel.
Description
Technical field
The present embodiments relate to field of display technology more particularly to a kind of display panel and display devices.
Background technique
With the development of display technology, the narrow frame of display panel and high screen accounting have become a main trend.
In order to realize the narrow frame and high screen accounting of display panel, need by the non-display area of display panel to with light out
The opposite side in face is bent.And in the prior art, when bending to non-display area, crooked process radius is uncontrollable, exists pair
Shield the risk of the undesirable stretching of body, and bent area cannot keep fixed bending state, metal routing in bent area is caused to be easy
Fracture, reduces the reliability of display panel.
Summary of the invention
The present invention provides a kind of display panel and display device, accurately to control its bending half when non-display area is bent
Diameter avoids the undesirable stretching to display panel, and the bending state for being kept fixed bent area, improves the reliable of display panel
Property.
In a first aspect, the embodiment of the invention provides a kind of display panels, comprising:
Flexible base board, flexible base board include viewing area and the bent area positioned at viewing area at least side；
Curving of the flexible base board of bent area to the light-emitting surface far from display panel, the bending inside setting of bent area
There is supporting module, the first surface and flexible base board of supporting module are bonded by the first adhesive layer, and first surface is arc-shaped table
Face, the radius of first surface are equal to the crooked process radius of bent area, are supported by being arranged on the inside of the bending of flexible base board bent area
Module, and supporting module includes arcuate surface, the flexible base board of the arcuate surface and bent area is viscous by the first adhesive layer
Knot, so that the radius of flexible base board bent area and the radius of arcuate surface are identical, and then can be accurate when bending flexible base board
Controlling the crooked process radius of bent area, the excessive tensile of outlet when preventing from bending flexible base board, and supporting module can be with
Protection is supported to bent area, prevents bent area from dead folding occur, avoid bent area walks thread breakage, and that improves display panel can
By property.
Wherein, shape of the supporting module along the section perpendicular to flexible base board direction is semicircle or semi-circular shape, support
The edge of module is semicircle perpendicular to the shape in the section in flexible base board direction, can be made on the inside of supporting module and bent area
Shape is adapted, and allows supporting module to play good supporting role to bent area, and then be able to maintain bent area surely
Fixed crooked process radius；Shape of the supporting module along the section perpendicular to flexible base board direction is semi-circular shape, is risen to bent area
To while supporting role, the volume of supporting module can be made smaller, so that supporting module is more frivolous, work as flexible base board
Only side not will cause the imbalance of both sides of the display panel, will not influence user experience there are when bent area.
Wherein, supporting module includes substrate and multiple protrusions for being set in substrate；The bottom surface of substrate is arc-shaped table
Face is provided with the second adhesive layer between adjacent protrusion, the bent area of flexible base board can be allowed to keep when being bent
Radius identical with arcuate surface, so that the crooked process radius of bent area is controllable, it is not in undesirable to flexible base board
Stretching the case where.Also, due to being provided with the second adhesive layer between adjacent protrusion, so that the bent area of flexible base board is being bent
Afterwards, multiple protrusions mutually bonding forms fixed shape, so that the arcuate surface of the bottom surface of the substrate of multiple protrusions is structure
Stablize, so can to bent area flexible carry out powerful support, prevent extremely discount as.And it includes substrate that supporting module, which is,
And when being set to multiple protrusions in substrate, supporting module can be bonded in flexibility before the bending technique of flexible base board
The area inside that substrate will be bent allows to carry out more convenient when bending technique.
Wherein, the substrate thickness of supporting module is less than or equal to 0.1 millimeter, and then is guaranteeing that supporting module can be with flexibility
It while substrate good fit, will not excessively increase the thickness of bent area, not influence the realization for bending technique.
Wherein, each protrusion is isosceles triangle, isosceles triangle two along the cross sectional shape perpendicular to flexible base board direction
The intersection point of waist is directed toward the bending center of bent area, so that multiple protrusions can be formed along vertical after the bent area bending of flexible base board
It is directly semicircular semi-circular arc shape structure in flexible base board direction upper section, the radius of the semi-circular arc shape structure is fixed, and
The inside of the bent area of the substrate and flexible base board of multiple protrusions bonds, then the radius of the bent area of flexible substrates is fixed, in turn
When bending flexible base board, the crooked process radius of flexible base board bending can be accurately controlled.And the semi-circular arc shape formed after bending
Structure can be supported bent area, avoid occurring dead break in bent area and metal routing is broken.
Wherein, each protrusion is isosceles trapezoid along the cross sectional shape perpendicular to flexible base board direction, and the waist of isosceles trapezoid refers to
To the bending center of bent area, it can make flexible base board after bending, substrate and the multiple protrusions being set in substrate can
To be formed along perpendicular to flexible base board direction upper section, as the arc-shaped structure of semi-circular shape, the radius of the arc-shaped structure is solid
It is fixed, and then when bending flexible base board, it can accurately control the crooked process radius of flexible base board bending.And the circular arc formed after bending
Shape structure can be supported bent area, avoid occurring dead break in bent area and metal routing is broken.And protrusion is along vertical
Cross sectional shape in flexible base board direction is isosceles trapezoid, can reach accurate control on the basis of saving supporting module material
The crooked process radius of flexible base board bent area processed, and bent area is supported, prevent the hair of dead folding, cabling crack conditions
It is raw.
Wherein, the material of supporting module is polyethylene terephthalate or polycarbonate, and then can prevent flexible base
Signal interference between plate bent area upper half cambered surface and lower half cambered surface.
Wherein, flexible base board further includes binding area, and bent area connects and binds area and viewing area, binds area and viewing area phase
It is right；
Side of the flexible substrate far from display panel light-emitting surface includes at least one layer of supporting layer, and supporting layer is set to viewing area
Between binding area, supporting module offsets with supporting layer, so that supporting module fixes a position when carrying out bending technique
It sets and remains unchanged, so that when flexible base board is bent along the first surface of supporting module, the bending that can be kept fixed
Radius prevents the excessive tensile to flexible base board；Also, after bending, preferably bent area can be supported, prevented out
Now extremely discount as.
Wherein, it is viscous by third that third adhesive layer, supporting module and supporting layer are provided between supporting module and supporting layer
Layer bonding is tied, supporting module can be made to be firmly fixed between supporting layer and flexible base board, with stronger ground supporting flexible
Property substrate bent area, the crooked process radius that more bent area of flexible base board can be made to be kept fixed, and making entirely aobvious
Show that the structure of panel is more compact securely.
Second aspect, the embodiment of the invention also provides a kind of display device, the display panel provided including first aspect.
Wherein display panel, comprising: flexible base board, flexible base board include viewing area and the bent area positioned at viewing area at least side；It is curved
For the flexible base board of folding area to the curving of the light-emitting surface far from display panel, the bending inside of bent area is provided with branch hold mode
Block, the first surface and flexible base board of supporting module are bonded by the first adhesive layer, and first surface is arcuate surface, the first table
The radius in face is equal to the crooked process radius of bent area.By the way that supporting module is arranged on the inside of the bending of flexible base board bent area, and prop up
Hold mode block includes arcuate surface, and the flexible base board of the arcuate surface and bent area is bonded by the first adhesive layer, so that curved
When rolling over flexible base board, the radius of flexible base board bent area and the radius of arcuate surface are identical, and then can accurately control bending
The crooked process radius in area, the excessive tensile of outlet when preventing from bending flexible base board, and supporting module can be to bent area
It is supported protection, prevents bent area from dead folding occur, avoid bent area walks thread breakage, improves the reliability of display panel.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of display panel provided in an embodiment of the present invention；
Fig. 2 be another embodiment of the present invention provides a kind of display panel structural schematic diagram；
Fig. 3 be another embodiment of the present invention provides a kind of display panel structural schematic diagram；
Fig. 4 is the structural schematic diagram before flexible base board provided in an embodiment of the present invention is bent under flat；
Fig. 5 be another embodiment of the present invention provides a kind of display panel structural schematic diagram；
Fig. 6 be another embodiment of the present invention provides flexible base board bend before structural schematic diagram under flat；
Fig. 7 be another embodiment of the present invention provides a kind of display panel structural schematic diagram；
Fig. 8 be another embodiment of the present invention provides a kind of display panel structural schematic diagram；
Fig. 9 is a kind of structural schematic diagram of display device provided in an embodiment of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
As described in the background art, display panel structure in the prior art exist to the non-display area of display panel into
When row bending, crooked process radius is uncontrollable, there is the risk to the screen undesirable stretching of body, and bent area cannot keep fixed bending
The problem of state causes metal routing in bent area to be easily broken off, reduces the reliability of display panel.It studies and sends out through inventor
Existing, the reason of this problem occur is, when being bent to display panel, to crooked process radius without control, or with display
The crooked process radius that multiple planar support layers to control roughly bending is arranged in the side that panel light-emitting surface is away from each other, and causes bending process
Crooked process radius variation is uncontrollable, it is possible that bent area so that the case where the excessive tensile of viewing area when bending, so that aobvious
Show that unnecessary pull occurs in panel；And after being bent to non-display area, the inside of bent area without support, make bent area without
Method keeps stable crooked process radius, or even dead break occurs, and bent area generally includes metal routing, and dead break occurs in bent area
Easily metal routing is caused to be broken, influence the display effect of display panel, reduces the reliability of display panel.
For these reasons, the present invention provides a kind of technical solution of display panel, Fig. 1 is that the embodiment of the present invention provides
A kind of display panel structural schematic diagram, with reference to Fig. 1, which includes:
Flexible base board 100, flexible base board 100 include viewing area 110 and the bent area positioned at at least side of viewing area 110
120；
The flexible base board 100 of bent area 120 to far from display panel light-emitting surface curving, bent area 120 it is curved
Folding inside is provided with supporting module 200, and the first surface 201 and flexible base board 100 of supporting module 200 pass through the first adhesive layer
300 bondings, first surface 201 are arcuate surface, and the radius of first surface 201 is equal to the crooked process radius of bent area 120.
Display panel generally includes viewing area 110 and non-display area, and with reference to Fig. 1, wherein left side of dotted line is viewing area 110,
Right side of dotted line is non-display area.In order to realize the narrow frame and high screen accounting of display panel, usually by the non-aobvious of display panel
Show that area is bent to the side far from display panel light-emitting surface.Display panel generally includes flexible base board 100 and is located at flexible base board
The display function layer of 100 sides, wherein in viewing area 110, display function layer may include driving backboard 400 and organic light emission
Device (Organic Light-Emitting Diode, OLED) structure sheaf 500, driving backboard 400 are set to flexible base board 100
On, OLED structure layer 500 is set to driving side of the backboard far from flexible base board 100, and driving backboard may include film crystal
Pipe array flows into the size of current of each OLED pixel by thin film transistor (TFT) array control；OLED structure layer may include
The first electrode that is arranged from bottom to top, hole injection layer, hole transmission layer, luminous material layer, electron transfer layer, electron injecting layer
And second electrode, wherein first electrode can be anode, and second electrode can be cathode.Electrons and holes respectively from cathode and
Anode is injected to electron injecting layer and hole injection layer, and is moved respectively by electron transfer layer and hole transmission layer to luminescent layer
It moves, the two makes luminescent material shine after luminous material layer is compound.
It continues to refer to figure 1, optionally, the side that the flexible base board 100 of bent area 120 closes on the light-emitting surface of display panel is set
It is equipped with metal routing 600.Bent area 120 is located at non-display area, is that bending deformation occurs for flexible base board 100 and metal routing 600
Region.Flexible base board 100 and flexible base board 100 in bent area 120 close on the metal routing of display panel light-emitting surface side
600 are arranged supporting module 200, the branch hold mode to the curving far from display panel light-emitting surface, the bending inside of bent area 120
The first surface 201 of block 200 is arcuate surface, and the radius of the arcuate surface is a fixed value, and arcuate surface passes through the
It is fitted closely on the inside of one adhesive layer 300 and the bending of bent area 120.For example, bending flexible base board 100 and the gold being arranged thereon
When belonging to cabling 600, first surface 201 can be placed in the flexible base board of flattening with the supporting module 200 of the first adhesive layer 300
The corresponding position in 100 bent area 120, metal routing 600 by flexible base board 100 and thereon carry out curved along supporting module 200
Folding, then the flexible base board 100 in bent area 120 holds tightly together with supporting module 200, and the radius of bent area 120 is
The radius of 200 first surface 201 of supporting module.By the inside in 100 bent area 120 of flexible base board, supporting module 200 is set,
When can accurately control the crooked process radius of 100 bent area 120 of flexible base board, and then avoid bending flexible base board 100 pair
The case where bent area 120 or even 110 excessive tensile of viewing area；Also, the supporting module 200 can support flexible base board 100
Bent area 120 makes bent area 120 be able to maintain fixed crooked process radius, is not in dead break, avoids bent area 120 flexible
The generation of the cabling crack conditions of 100 side of substrate guarantees the good display effect of display panel.
Display panel provided in this embodiment, by the way that supporting module is arranged on the inside of the bending of flexible base board bent area, and
Supporting module includes arcuate surface, and the flexible base board of the arcuate surface and bent area is bonded by the first adhesive layer, so that
When bending flexible base board, the radius of flexible base board bent area and the radius of arcuate surface are identical, and then can accurately control curved
The crooked process radius of folding area, the excessive tensile of outlet when preventing from bending flexible base board, and supporting module can be to bending
Area is supported protection, prevents bent area from dead folding occur, avoid bent area walks thread breakage, improves the reliability of display panel.
On the basis of above scheme, the embodiment of the invention provides the technical solutions of another display panel.
Fig. 2 be another embodiment of the present invention provides a kind of display panel structural schematic diagram.With reference to Fig. 1 and Fig. 2, Fig. 1
In Fig. 2, wherein left side of dotted line is viewing area 110, and right side of dotted line is non-display area.Optionally, supporting module 200 along perpendicular to
The shape in the section in 100 direction of flexible base board is semicircle or semi-circular shape.
After flexible base board 100 is bent, on the direction perpendicular to flexible base board 100, the cross sectional shape of bent area 120
Usually semi-circular shape, the edge of supporting module 200 are that semicircle (can join perpendicular to the shape in the section in 100 direction of flexible base board
Examine Fig. 1), the shape of 120 inside of supporting module 200 and bent area can be made to be adapted, allow supporting module 200 to curved
Good supporting role is played in folding area 120, and then bent area 120 is made to be able to maintain stable crooked process radius.
Shape of the supporting module 200 along the section perpendicular to 100 direction of flexible base board is semi-circular shape (can refer to Fig. 2),
While playing a supporting role to bent area 120, the volume of supporting module 200 can be made smaller, so that supporting module
200 is more frivolous, when flexible base board 100 only have side there are when bent area 120, not will cause the injustice of both sides of the display panel
Weighing apparatus, will not influence user experience.
Fig. 3 be another embodiment of the present invention provides a kind of display panel structural schematic diagram, in Fig. 3, wherein dotted line is left
Side is viewing area 110, and right side of dotted line is non-display area.With reference to Fig. 3, supporting module 200 is including substrate 210 and is set to substrate
Multiple raised 220 on 210；The bottom surface of substrate 210 is arcuate surface, is provided with the second adhesive layer between adjacent protrusion 220.
Illustratively, supporting module 200 be include substrate 210 and multiple raised 220 structures for being set in substrate 210
When, it can be before the bending of flexible base board 100, it will be including substrate 210 and multiple raised 220 supports being set in substrate 210
The region that module 200 will be bent with flexible base board 100 is bound far from the side of display panel light-emitting surface, can refer to Fig. 4,
Fig. 4 is the structural schematic diagram before flexible base board provided in an embodiment of the present invention is bent under flat, corresponding with the structure of Fig. 3,
Such as supporting module 200 is bonded in the inside of bent area 120 by the first adhesive layer 300, then flexible base board 100 is carried out
Bending, after bending, the bottom surface of the substrate 210 of supporting module 200 forms arcuate surface, which passes through the first bonding
The inner adhesion of layer 300 and the bent area 120 of flexible base board 100.It is flexible when the bent area 120 of flexible base board 100 is bent
The bent area 120 of substrate 100 is gradually bonded with the arcuate surface of supporting module 200, can make the bending of flexible base board 100
Area 120 can keep radius identical with arcuate surface when being bent, so that the crooked process radius of bent area 120 can
The case where control is not in 100 undesirable stretching of flexible base board.Also, due to being provided with second between adjacent protrusion 220
Adhesive layer 230, so that the bent area 120 of flexible base board 100, after bending, multiple raised 220 mutually bondings form fixed shape
Shape, so that the arcuate surface of the bottom surface of multiple raised 220 substrates 210 is stable structure, and then can be to bending flexible
Area 120 carry out powerful support, prevent extremely discount as, and then prevent 100 bent area 120 of flexible base board be arranged metal routing
It is broken.And supporting module 200 be include substrate 210 and be set in substrate 210 multiple raised 220 when, Ke Yi
Supporting module 200 is bonded in the area inside that flexible base board 100 will be bent before the bending technique of flexible base board 100, is made
It must carry out more convenient when bending technique.
On the basis of above scheme, with continued reference to Fig. 3 and Fig. 4, optionally, 210 thickness d of substrate of supporting module 200
Less than or equal to 0.1 millimeter.
Specifically, will increase the thickness of bent area 120, so that curved when 210 thickness d of substrate because of supporting module 200 is blocked up
The bad realization of technique is rolled over, therefore 210 thickness of substrate of optional supporting module 200 is less than or equal to 0.1 millimeter, is guaranteeing branch hold mode
While block 200 can be with 100 good fit of flexible base board, it will not excessively increase the thickness of bent area 120, not influence bending technique
Realization.
With continued reference to Fig. 3 and Fig. 4, optionally, each raised 220 along the cross sectional shape perpendicular to 100 direction of flexible base board
For isosceles triangle, the intersection point of two waist of isosceles triangle is directed toward the bending center A of bent area.
Protrusion 220 is isosceles triangle along the cross sectional shape perpendicular to 100 direction of flexible base board, and protrusion 220 includes first
Bottom surface 201, the first central plane 201, the second central plane 203, the first bottom surface 201 are bonded in substrate 210, or protrusion 220 and substrate 210
It is structure as a whole, the second adhesive layer 230 is set on first central plane 202 and the second central plane 203, protrusion 220 can without spacing be distributed
In in substrate 210, each raised 220 edge is isosceles triangle perpendicular to the cross sectional shape in 100 direction of flexible base board, can be made
Flexible base board 100 is after bending, substrate 210 and what is be set in substrate 210 multiple raised 220 can form along perpendicular to soft
Property 100 direction upper section of substrate be semicircular semi-circular arc shape structure, the radius of the semi-circular arc shape structure fixes, and multiple
The inside of the bent area 120 of the substrate 210 and flexible base board 100 of protrusion 220 bonds, then the bent areas 120 of flexible substrates 210
Radius is fixed, and then when bending flexible base board 100, can accurately control the crooked process radius of the bending of flexible base board 100.And it bends
The semi-circular arc shape structure formed afterwards can be supported bent area 120, avoid occurring in bent area 120 dead break and metal
Cabling 600 is broken.
Fig. 5 be another embodiment of the present invention provides display panel structural schematic diagram, in Fig. 5, wherein left side of dotted line is
Viewing area 110, right side of dotted line are non-display area.With reference to Fig. 5, each raised 220 along the section perpendicular to 100 direction of flexible base board
Shape is isosceles trapezoid, and the waist of isosceles trapezoid is directed toward the bending center A of bent area.
Fig. 6 be another embodiment of the present invention provides flexible base board bend before structural schematic diagram under flat, with Fig. 5
Structure is corresponding, and with reference to Fig. 5 and Fig. 6, each raised 220 edge is isosceles trapezoid perpendicular to the cross sectional shape in 100 direction of flexible base board,
Protrusion 220 includes the second bottom surface 204, third central plane 205, the 4th central plane 206 at this time, and third bottom surface 207, the second bottom surface 204 is glued
It ties and is structure as a whole in substrate 210, or protrusion 220 with substrate 210, be arranged second on third central plane 205 and the 4th central plane 206
Adhesive layer 230 can make flexible base board 100 after bending, substrate 210 and be set in substrate 210 multiple raised 220
It can be formed along the arc-shaped structure for perpendicular to 100 direction upper section of flexible base board being semi-circular shape, the half of the arc-shaped structure
Diameter is fixed, and the inside of the bent area 120 of multiple raised 220 substrates 210 and flexible base board 100 bonds, then flexible substrates 210
The radius of bent area 120 fix, and then when bending flexible base board 100, can accurately control the bending of the bending of flexible base board 100
Radius.And the arc-shaped structure formed after bending can be supported bent area 120, avoid occurring in bent area 120 dead
Break and metal routing 600 are broken.And protrusion 220 is isosceles trapezoid along the cross sectional shape perpendicular to 100 direction of flexible base board, it can
On the basis of saving supporting module material, to reach the crooked process radius of the bent area 120 of accurate control flexible base board 100, with
And bent area 120 is supported, prevent the generation of dead folding, cabling crack conditions.
It should be noted that above 220 edge of protrusion is not limited to perpendicular to the cross sectional shape on 100 direction of flexible base board
Above-described embodiment does the isosceles triangle provided and isosceles trapezoid, is as long as can form stable arcuate surface after guaranteeing bending
It can.
On the basis of above scheme, optionally, the material of supporting module 200 is polyethylene terephthalate or gathers
Carbonic ester.
In order to enable supporting module 200 effectively to support the bent area 120 of flexible base board 100, can be used has
The polyethylene terephthalate or makrolon material of certain degree of hardness；Also, polyethylene terephthalate or poly- carbon
Acid esters material is insulating materials, and the signal between 100 bent area of flexible base board, 120 upper half cambered surface and lower half cambered surface can be prevented dry
It disturbs.It should be noted that the present invention is not specifically limited the material of supporting module 200, other are with certain degree of hardness and absolutely
The material of the edge also optional composition material as supporting module 200.
Fig. 7 be another embodiment of the present invention provides a kind of display panel structural schematic diagram, it is optionally, soft with reference to Fig. 7
Property substrate 100 further include binding area 130, bent area 120 connects and binds area 130 and viewing area 110, binds area 130 and viewing area
110 is opposite；
Side of the flexible base board 100 far from display panel light-emitting surface includes at least one layer of supporting layer, and supporting layer is set to aobvious
Show between area 110 and binding area 130, supporting module 200 offsets with supporting layer.
It with display panel include being set to side of the flexible base board 100 far from display panel light-emitting surface in Fig. 7 with reference to Fig. 7
Supporting layer 710, keel 720, and be set to the side that flexible base board 100 binds display driver chip 800 far from it
It is schematically illustrated for supporting layer 730, the binding area 130 of display flexible base board 100 can bind display driver chip
800, the driving signal that display driver chip 800 provides can be transmitted to driving backboard by the metal routing 600 of bent area 120
400, and then drive 500 luminescence display of OLED structure layer.Supporting layer can further the bent area 120 to flexible base board 100 into
Row support, also, supporting module 200 offsets with supporting layer, and when can allow to carry out bending technique, supporting module 200 is fixed
One position remains unchanged, can be with so that when flexible base board 100 is bent along the first surface 201 of supporting module 200
The crooked process radius being kept fixed prevents the excessive tensile to flexible base board 100；It, can be preferably to bending also, after bending
Area 120 is supported, prevent extremely discount as.
It should be noted that display panel provided by the invention comprising supporting module be not limited to Fig. 1, Fig. 2,
Structure shown in Fig. 3 and Fig. 5, including passing through the arcuate surface that the first adhesive layer 300 bonds with flexible base board bent area inside,
And there is the fulcrum between supporting layer in the side opposite with arcuate surface.
Fig. 8 be another embodiment of the present invention provides a kind of display panel structural schematic diagram, with reference to Fig. 8, optionally, branch
Third adhesive layer 900 is provided between hold mode block 200 and supporting layer, supporting module 200 and supporting layer pass through third adhesive layer 900
Bonding.
Third adhesive layer 900 is set between supporting module 200 and supporting layer, supporting module 200 can be made by firmly solid
It is scheduled between supporting layer and flexible base board 100, to support the bent area 120 of flexible base board 100 strongerly, can more make
The crooked process radius that the bent area 120 of flexible base board 100 is kept fixed is obtained, and makes the structure of entire display panel more compact
Securely.
In addition, it is necessary to explanation, the present embodiment for display panel concrete type and be not specifically limited, this implementation
The scheme of example can be applied to arbitrarily be related to the display panel of bent area, and illustrative display panel can be OLED display surface
Plate, light emitting diode with quantum dots QLED display panel, micro- light emitting diode microLED display panel stretch OLED display surface
Plate and liquid crystal display panel etc..
Second aspect, the embodiment of the invention also provides a kind of display device, Fig. 9 is one kind provided in an embodiment of the present invention
The structural schematic diagram of display device, the display device 10 include the display panel 1000 that any embodiment of that present invention provides.Display
Device 10 can be mobile phone shown in Fig. 9, or computer, television set, intelligence wearing display device etc., the embodiment of the present invention
This is not particularly limited.
Display device provided in an embodiment of the present invention, including the display panel that any embodiment of that present invention provides, wherein showing
Show panel, comprising: flexible base board, flexible base board include viewing area and the bent area positioned at viewing area at least side；Bent area
To the curving of the light-emitting surface far from display panel, the bending inside of bent area is provided with supporting module, supports flexible base board
The first surface of module and flexible base board are bonded by the first adhesive layer, and first surface is arcuate surface, first surface partly
Diameter is equal to the crooked process radius of bent area.By the way that supporting module, and supporting module are arranged on the inside of the bending of flexible base board bent area
Including arcuate surface, the flexible base board of the arcuate surface and bent area is bonded by the first adhesive layer, so that bending is flexible
When substrate, the radius of flexible base board bent area and the radius of arcuate surface are identical, and then can accurately control the curved of bent area
Diameter by half, the excessive tensile of outlet when preventing from bending flexible base board, and supporting module can prop up bent area
Support protection prevents bent area from dead folding occur, and avoid bent area walks thread breakage, improves the reliability of display panel.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of display panel characterized by comprising
Flexible base board, the flexible base board include viewing area and the bent area positioned at the viewing area at least side；
The flexible base board of the bent area to far from the display panel light-emitting surface curving, the bent area
It is viscous by the first adhesive layer that bending inside is provided with supporting module, the first surface of the supporting module and the flexible base board
Knot, the first surface are arcuate surface, and the radius of the first surface is equal to the crooked process radius of the bent area.
2. display panel according to claim 1, it is characterised in that:
Shape of the supporting module along the section perpendicular to the flexible base board direction is semicircle or semi-circular shape.
3. display panel according to claim 1, it is characterised in that:
The supporting module includes substrate and multiple protrusions for being set in the substrate；The bottom surface of the substrate is arc-shaped
Surface, it is adjacent it is described protrusion between be provided with the second adhesive layer.
4. display panel according to claim 3, it is characterised in that:
The substrate thickness of the supporting module is less than or equal to 0.1 millimeter.
5. display panel according to claim 3, which is characterized in that each protrusion is along perpendicular to the flexible base board
The cross sectional shape in direction is isosceles triangle.
6. display panel according to claim 3, which is characterized in that each protrusion is along perpendicular to the flexible base board
The cross sectional shape in direction is isosceles trapezoid.
7. display panel according to claim 1, which is characterized in that the material of the supporting module is poly terephthalic acid
Second diester or polycarbonate.
8. display panel according to claim 1, it is characterised in that:
The flexible base board further includes binding area, and the bent area connects the binding area and the viewing area, the binding area
It is opposite with the viewing area；
Side of the flexible base board far from the display panel light-emitting surface includes at least one layer of supporting layer, the supporting layer setting
Between the viewing area and the binding area, the supporting module offsets with the supporting layer.
9. display panel according to claim 8, it is characterised in that:
Third adhesive layer is provided between the supporting module and the supporting layer, the supporting module passes through with the supporting layer
Third adhesive layer bonding.
10. a kind of display device, which is characterized in that including the described in any item display panels of claim 1-9.
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| CN201811446345.4A CN109559639B (en) | 2018-11-29 | 2018-11-29 | Display panel and display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811446345.4A CN109559639B (en) | 2018-11-29 | 2018-11-29 | Display panel and display device |
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| CN109559639B CN109559639B (en) | 2022-04-05 |
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| CN201811446345.4A Active CN109559639B (en) | 2018-11-29 | 2018-11-29 | Display panel and display device |
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