CN109062439A - Display panel and display device - Google Patents

Display panel and display device Download PDF

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Publication number
CN109062439A
CN109062439A CN201810901251.5A CN201810901251A CN109062439A CN 109062439 A CN109062439 A CN 109062439A CN 201810901251 A CN201810901251 A CN 201810901251A CN 109062439 A CN109062439 A CN 109062439A
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CN
China
Prior art keywords
protrusion
protective layer
display panel
bent area
stress relief
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Granted
Application number
CN201810901251.5A
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Chinese (zh)
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CN109062439B (en
Inventor
茅健健
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Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
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Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
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Priority to CN201810901251.5A priority Critical patent/CN109062439B/en
Publication of CN109062439A publication Critical patent/CN109062439A/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)

Abstract

The present invention provides a kind of display panel and display device; protective layer including flexible base board bent area is arranged in, protective layer include the protection layer main body for covering bent area, the protrusion being arranged at intervals on protection layer main body and form stress relief grooves for discharging being defined by two adjacent protrusions for folding s tress.The present invention covers bent area by the protection layer main body of protective layer, plays the role of protecting bent area, and by the stress relief grooves of protective layer, reduce the folding s tress of bent area.

Description

Display panel and display device
Technical field
The present invention relates to a kind of display technology, in particular to a kind of display panel and display device.
Background technique
With the development of display technology, the direction of display device towards narrow frame and Rimless is developed.People fill display The widescreen demand set is increasing.
Existing narrow frame display device, such as Fig. 1 comprising display panel, the touch panel of setting on a display panel 14 ' and the polarizer being arranged on touch panel, display panel include 11 ' of backboard and the flexible base board that is arranged on 11 ' of backboard 12 ', 12 ' of flexible base board include for display pattern functional areas 12a ', be arranged in the functional areas side 12a ' for bending Bent area 12b ' and the binding area for being used to bind driving chip that the bent area side 12b ' is set.Carrying out narrow frame design When, usually bent area 12b ' is bent, so that binding area is located at the back side of functional areas under the bending of bent area, thus real The purpose of existing narrow frame.
In addition it is provided with circuit on the 12b ' of bent area, in order to avoid the circuit on the 12b ' of bent area is damaged in bending, Just 13 ' of a UV gel coating is provided on the 12b ' of bent area, but since the thickness of UV gel coating is thicker (100 microns), thus Influence the bending angle of bent area.
Summary of the invention
The embodiment of the present invention provides a kind of display panel and display device;To solve existing display panel and display device The middle UV gel coating being arranged on bent area is thicker, leads to the technical issues of influencing the bending angle of bent area.
The embodiment of the present invention provides a kind of display panel, including backboard and the flexible base board being arranged on the backboard, institute Stating flexible base board includes functional areas and positioned at the bent area of the functional areas side, and the display panel includes one being arranged described Bent area is backwards to the backboard one side for protecting the protective layer of the bent area circuit;
The protective layer includes:
Layer main body is protected, the bent area is covered;And
Protrusion is arranged at intervals on the protection layer main body;
One is wherein formed between two adjacent protrusions for discharging the stress relief grooves of folding s tress.
In display panel of the invention, the protrusion be divided into be arranged in the bent area middle section the first protrusion and Second protrusion of the bent area two side portions is set, and the stress relief grooves are divided by two adjacent first protrusions The first stress relief grooves formed and the second stress relief grooves formed by two adjacent second protrusions;
Wherein the width of first protrusion is less than the width of second protrusion, adjacent first stress relief grooves The distance between center line is less than adjacent the distance between the second stress release groove center line.
In display panel of the invention, in the longitudinal section of the protective layer, the protrusion includes and the protective layer The bottom surface that the top surface of ontology is overlapped and the convex globoidal for being connected to the bottom surface both ends.
In display panel of the invention, the stress relief grooves are formed by the adjacent convex globoidal, and adjacent two It is connected between the convex globoidal by fillet.
In display panel of the invention, in the longitudinal section of the protective layer, the protrusion includes and the protective layer The bottom surface that the top surface of ontology is overlapped and two side planes for being connected to the bottom surface both ends;
Side plane described in two of them is respectively acute angle with the angle of the bottom surface.
In display panel of the invention, in the longitudinal section of the protective layer, the cross sectional shape of the protrusion is triangle Shape or trapezoidal shape, the stress relief grooves are formed by the adjacent side plane.
In display panel of the invention, in the stress relief grooves, two side planes are connected by fillet.
In display panel of the invention, the thickness of the protective layer is less than 300 microns, the thickness of the protection layer main body More than or equal to 30 microns and less than 100 microns.
In display panel of the invention, it is described protection layer main body with a thickness of 50 microns.
The embodiment of the present invention provides a kind of display device, the touch-control including display panel and setting on said display panel Panel, the display panel include backboard and the flexible base board that is arranged on the backboard, and the flexible base board includes functional areas With the bent area for being located at the functional areas side, the display panel is arranged in the bent area including one backwards to the backboard one The protective layer for being used to protect the bent area circuit in face;
The protective layer includes:
Layer main body is protected, the bent area is covered;And
Protrusion is arranged at intervals on the protection layer main body;
One is wherein formed between two adjacent protrusions for discharging the stress relief grooves of folding s tress.
In display device of the invention, the protrusion be divided into be arranged in the bent area middle section the first protrusion and Second protrusion of the bent area two side portions is set, and the stress relief grooves are divided by two adjacent first protrusions The first stress relief grooves formed and the second stress relief grooves formed by two adjacent second protrusions;
Wherein the width of first protrusion is less than the width of second protrusion, adjacent first stress relief grooves The distance between center line is less than adjacent the distance between the second stress release groove center line.
In display device of the invention, in the longitudinal section of the protective layer, the protrusion includes and the protective layer The bottom surface that the top surface of ontology is overlapped and the convex globoidal for being connected to the bottom surface both ends.
In display device of the invention, the stress relief grooves are formed by the adjacent convex globoidal, and adjacent two It is connected between the convex globoidal by fillet.
In display device of the invention, in the longitudinal section of the protective layer, the protrusion includes and the protective layer The bottom surface that the top surface of ontology is overlapped and two side planes for being connected to the bottom surface both ends;
Side plane described in two of them is respectively acute angle with the angle of the bottom surface.
In display device of the invention, in the longitudinal section of the protective layer, the cross sectional shape of the protrusion is triangle Shape or trapezoidal shape, the stress relief grooves are formed by the adjacent side plane.
In display device of the invention, in the stress relief grooves, two side planes are connected by fillet.
In display device of the invention, the thickness of the protective layer is less than 300 microns, the thickness of the protection layer main body More than or equal to 30 microns and less than 100 microns.
In display device of the invention, it is described protection layer main body with a thickness of 50 microns.
In display device of the invention, the display device include setting on said display panel have polarizer Touch panel, wherein the height of the touch panel be higher than the protective layer height.
Display panel and display device compared to the prior art, display panel of the invention and display device pass through protection The protection layer main body of layer covers bent area, plays the role of protecting bent area, and by the stress relief grooves of protective layer, reduce curved The folding s tress of folding area, and then improve the bending angle of bent area;It solves and is arranged in existing display panel and display device UV gel coating on bent area is thicker, leads to the technical issues of influencing the bending angle of bent area.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below to required in embodiment Attached drawing to be used is briefly described.The accompanying drawings in the following description is only section Example of the invention, general for this field For logical technical staff, without creative efforts, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram of the display device of the prior art;
Fig. 2 is the structural schematic diagram in flattened state of the first preferred embodiment of display panel of the invention;
Fig. 3 is the structural schematic diagram in bending state of the first preferred embodiment of display panel of the invention;
Fig. 4 is the structural representation in flattened state of the protective layer of the first preferred embodiment of display panel of the invention Figure;
Fig. 5 is the structural representation in bending state of the protective layer of the first preferred embodiment of display panel of the invention Figure;
Fig. 6 is the structural schematic diagram of the protective layer of the second preferred embodiment of display panel of the invention;
Fig. 7 is the structural schematic diagram of the protective layer of the third preferred embodiment of display panel of the invention;
Fig. 8 is the structural schematic diagram of the preferred embodiment of display device of the invention.
Specific embodiment
The schema in attached drawing is please referred to, wherein identical component symbol represents identical component.The following description is to be based on Illustrated by the specific embodiment of the invention, be not construed as the limitation present invention other specific embodiments not detailed herein.
It is referring to figure 2. the first preferred embodiment of display panel of the invention in flattened state to Fig. 5, Fig. 2 Structural schematic diagram;Fig. 3 is the structural schematic diagram in bending state of the first preferred embodiment of display panel of the invention;Figure 4 be the structural schematic diagram in flattened state of the protective layer of the first preferred embodiment of display panel of the invention;Fig. 5 is this The structural schematic diagram in bending state of the protective layer of the first preferred embodiment of the display panel of invention.
Display panel 10 in first preferred embodiment of the invention includes backboard 11 and the flexible base being arranged on backboard 11 Plate 12, flexible base board 12 include the functional areas 12a and bent area 12b positioned at the functional areas side 12a, and display panel 10 is set including one It sets in bent area 12b backwards to 11 one side of backboard for protecting the protective layer 13 of bent area 11b circuit;
Protective layer 13 includes the protection layer main body 131 of covering bent area 12b, is arranged at intervals on the protection layer main body Protrusion, wherein being formed with one between two adjacent protrusions for discharging the stress relief grooves of folding s tress.
The first embodiment of display panel of the invention covers bent area 12b by the protection layer main body 131 of protective layer 13, Play the role of protecting bent area 12b, and pass through the stress relief grooves of protective layer 13, reduces the folding s tress of bent area 12b, into And improve the bending angle of bent area 12b.
In this first preferred embodiment, stress relief grooves are defined by two adjacent protrusions and are formed, so that between protrusion It joins end to end, i.e., is spaced a stress release portion, such setting, so that protrusion maximum area is covered between two neighboring protrusion Lid protection layer main body, improves the protective value of protective layer.
Certainly in display panel of the invention, stress relief grooves are also possible to by two adjacent protrusions and protective layer master Body defines to be formed, that is, does not contact between two protrusions that are connected.
In this first preferred embodiment, the thickness of protective layer 13 protects the thickness of layer main body 131 big less than 300 microns In equal to 30 microns and less than 100 microns.When the first embodiment of the present invention is arranged in display device, display panel it On be additionally provided with touch panel and polarizer, and the thickness of protective layer 13 is no more than the height of touch panel and polarizer, with Exempt from the installation of influence display device, therefore the thickness of protective layer 13 is set smaller than 300 microns.
Wherein, the effect of layer main body 131 is protected to be to protect the circuit on the 12b of bent area, therefore when protection layer main body 131 Thickness less than 30 microns, protect layer main body 131 by folding s tress when, will damage, so that protection circuit be not achieved Purpose, therefore will protection layer main body 131 be set greater than equal to 30 microns.In addition, because bent area 12b is being bent When, it is protected the influence of 131 thickness of layer main body, i.e. the thickness of protection layer main body 131 is bigger, and bent area 12b is being bent When, the folding s tress being subject to is bigger, and in order to avoid protection layer main body 131 damages, the bending angle of bent area 12b cannot be too big, To affect bending effect, therefore in order to guarantee that bent area 12b has enough bending angles, the thickness of layer main body 131 is protected Degree is less than 100 microns.Preferably, protect layer main body 131 with a thickness of 50 microns.
In the first preferred embodiment of this display panel, it is arranged specifically, protrusion is divided into the bent area middle section 12b The first protrusion 132 and the second protrusion 133 of bent area 12b two side portions is set, stress relief grooves are divided by adjacent two The first stress relief grooves 134 and released by the second stress that two adjacent the second protrusions 133 are formed that a first protrusion 132 is formed Put slot 135;
Wherein the width of the first protrusion 132 less than the second protrusion 133 width, in the first adjacent stress relief grooves 134 The distance between heart line M1 is less than the distance between adjacent 135 center line of the second stress relief grooves M2.
It is readily apparent that when bent area 12b is bent, folding s tress that the middle section of bent area 12b is subject to Maximum, and bent area 12b is by relatively small to folding s tress.
Therefore, the distance between adjacent 134 center line of the first stress relief grooves is less than the second adjacent stress relief grooves The setting of the distance between 135 center lines the, so that density (unit of the first stress relief grooves 134 of the bent area middle section 12b In area, the quantity of stress relief grooves) be greater than bent area 12b two side areas the second stress relief grooves 135 density, i.e., first The width of stress relief grooves 134 less than the second stress relief grooves 135 width, and then improve protective layer 13 discharge folding s tress Uniformity, to improve the stability of protective layer 13.
Further, in order to improve the uniformity that protective layer 13 discharges folding s tress, the width of stress relief grooves is from two Side section is uniformly successively decreased to middle section, i.e., the width of protrusion is from two side portions to middle section uniform increments.
Protective layer 13 is an integral molding structure, and further improves the stability of protective layer 13.
Certainly, in the present invention, the width of stress relief grooves is also possible to identical, the present invention and with no restrictions.
In the first preferred embodiment of display panel of the invention, in the longitudinal section of protective layer 13, protrusion include with The bottom surface that the top surface of protective layer ontology 131 is overlapped and the convex globoidal for being connected to bottom surface both ends.
Stress relief grooves are formed by adjacent convex globoidal, and are connected between two adjacent convex globoidals by fillet.
Specifically, the first protrusion 132 and the second protrusion 133 include the bottom surface being overlapped with the top surface of protective layer ontology 131 The convex globoidal 13b of 13a and the both ends for being connected to bottom surface 13a, the first stress relief grooves 134 are convex by the first adjacent protrusion 132 Cambered surface 13b is formed, and the second stress relief grooves 135 are formed by the convex globoidal 13b of the second adjacent protrusion 133, and the first stress is released It puts and is connected between two convex globoidal 13b of slot 134 and two convex globoidal 13b of the second stress relief grooves 135 by fillet.
Wherein, it is by the effect that fillet connects, when being bent, prevents the junction between two protrusions from generating Tearing, improves the stability of protective layer 13.
In addition, the material of protective layer 13 can be UV glue, epoxy glue or resin etc., and in this first preferred embodiment, protection Layer 13 is UV glue.
The formation process of protective layer 13 is: one layer of UV glue is coated with first on the 12b of bent area, then use has and corresponds to The template of the shape of protrusion and stress relief grooves carries out pressing and forming to UV glue, is finally solidified using ultraviolet light, to be formed Protective layer 13.
And when bent area 12b is bent, protrusion is stretched the influence of power, and cause the width of protrusion to become larger, thus So that the width of stress relief grooves becomes larger.
In the second embodiment of display panel of the invention, Fig. 6 is please referred to, this second preferred embodiment and first is preferably Embodiment the difference is that: in the longitudinal section of protective layer 23, protrusion includes being overlapped with the top surface of protective layer ontology 231 Bottom surface and two side planes for being connected to bottom surface both ends;Two of them side plane is respectively acute angle with the angle of bottom surface.
Wherein, acute angle is set by the angle of side plane and bottom surface, the junction on the one hand playing two protrusions of reduction exists On the other hand the risk torn when bending is convenient for the formation of protrusion and stress relief grooves, improve producing efficiency.
Further, in stress relief grooves, two side planes are connected by fillet.Such setting further reduced The risk that the junction of two protrusions is torn in bending.
In the longitudinal section of protective layer 13, the cross sectional shape of protrusion is triangle, and stress relief grooves are by the adjacent side Plane is formed.
Specifically, protrusion is divided into the first protrusion 232 that bent area middle section is arranged in and is arranged in bent area both sides The second protrusion 233 divided, stress relief grooves are divided into the first stress relief grooves 234 formed by two adjacent the first protrusions 232 With the second stress relief grooves 235 formed by two adjacent the second protrusions 233;
First protrusion 232 and the second protrusion 233 include the bottom surface 23a being overlapped with the top surface of protective layer ontology 231 and divide It is not connected to two side plane 23b at the bottom surface both ends 23a;Two of them 23b side plane is respectively sharp with the angle of bottom surface 23a Angle.
First stress relief grooves 234 are formed by the side plane 23b of two neighboring first protrusion 232, the second stress relief grooves 235 are formed by the side plane 23b of two adjacent the second protrusions 233.
In the third preferred embodiment of display panel of the invention, Fig. 7 is please referred to, this third embodiment and second is preferably Embodiment the difference is that, in the longitudinal section of protective layer 33, the cross sectional shape of protrusion is trapezoidal shape, stress relief grooves by The adjacent side plane is formed.
In stress relief grooves, two side planes are connected by fillet.
Specifically, protrusion is divided into the first protrusion 332 that bent area middle section is arranged in and is arranged in bent area both sides The second protrusion 333 divided, stress relief grooves are divided into the first stress relief grooves 334 formed by two adjacent the first protrusions 332 With the second stress relief grooves 335 formed by two adjacent the second protrusions 333;
First protrusion 332 and the second protrusion 333 include the bottom surface 33a being overlapped with the top surface of protective layer ontology 331 and divide It is not connected to two side plane 33b at the bottom surface both ends 33a;Two of them 33b side plane is respectively sharp with the angle of bottom surface 33a Angle.
First stress relief grooves 334 are formed by the side plane 33b of two neighboring first protrusion 332, the second stress relief grooves 335 are formed by the side plane 33b of two adjacent the second protrusions 333.
Certainly in display panel of the invention, the shape of protrusion is also possible to other shapes, such as pentagon, semiellipse Shape or rectangle and semicircle etc., therefore the shape of protrusion of the invention, however it is not limited to above embodiments.
Fig. 8 is please referred to, the embodiment of the present invention provides a kind of display device, including display panel and setting are on a display panel The touch panel 200 with polarizer, display panel includes backboard 101 and the flexible base board 102 that is arranged on backboard 101, Flexible base board 102 includes the functional areas 10a and bent area 10b positioned at the functional areas side 10a, and display panel includes a setting curved Folding area 10b is backwards to 101 one side of backboard for protecting the protective layer 103 of bent area 10b circuit;
Protective layer 103 includes:
Layer main body is protected, the bent area is covered;And
Protrusion is arranged at intervals on the protection layer main body;
One is wherein formed between two adjacent protrusions for discharging the stress relief grooves of folding s tress.
It should be noted that display panel include be arranged in it is for displaying images aobvious on the functional areas of flexible base board 102 Show module (not shown).Touch panel 200 is arranged on the display module.
In display device of the invention, the height of touch panel 200 is higher than the height of protective layer 103.
In display device of the invention, the protrusion be divided into be arranged in the bent area middle section the first protrusion and Second protrusion of the bent area two side portions is set, and the stress relief grooves are divided by two adjacent first protrusions The first stress relief grooves formed and the second stress relief grooves formed by two adjacent second protrusions;
Wherein the width of first protrusion is less than the width of second protrusion, adjacent first stress relief grooves The distance between center line is less than adjacent the distance between the second stress release groove center line.
In display device of the invention, the thickness of the protective layer is less than 300 microns, the thickness of the protection layer main body More than or equal to 30 microns and less than 100 microns.
In display device of the invention, it is described protection layer main body with a thickness of 50 microns.
In the first embodiment of display device of the invention, in the longitudinal section of protective layer 103, the protrusion include with The bottom surface that the top surface of the protective layer ontology is overlapped and the convex globoidal for being connected to the bottom surface both ends.
In display device of the invention, the stress relief grooves are formed by the adjacent convex globoidal, and adjacent two It is connected between the convex globoidal by fillet.
Difference in another embodiment of display device of the invention, with the first embodiment of display device of the invention Place is: in the longitudinal section of protective layer 103, the protrusion include the bottom surface being overlapped with the top surface of the protective layer ontology and It is connected to two side planes at the bottom surface both ends;
Side plane described in two of them is respectively acute angle with the angle of the bottom surface.
In display device of the invention, in the longitudinal section of the protective layer, the cross sectional shape of the protrusion is triangle Shape or trapezoidal shape, the stress relief grooves are formed by the adjacent side plane.
In display device of the invention, in the stress relief grooves, two side planes are connected by fillet.
Display panel and display device compared to the prior art, display panel of the invention and display device pass through protection The protection layer main body of layer covers bent area, plays the role of protecting bent area, and by the stress relief grooves of protective layer, reduce curved The folding s tress of folding area, and then improve the bending angle of bent area;It solves and is arranged in existing display panel and display device UV gel coating on bent area is thicker, leads to the technical issues of influencing the bending angle of bent area.
Although the disclosure, this field skill has shown and described relative to one or more implementations in the present invention Art personnel will be appreciated that equivalent variations and modification based on the reading and understanding to the specification and drawings.The disclosure include it is all this The modifications and variations of sample, and be limited only by the scope of the following claims.In addition, although the special characteristic of the disclosure phase Only one in several implementations is disclosed, but this feature can with such as can be for a given or particular application It is expectation and one or more other features combinations of other advantageous implementations.Moreover, with regard to term " includes ", " having ", " containing " or its deformation be used in specific embodiments or claims for, such term be intended to with term "comprising" Similar mode includes.
In conclusion although the present invention is disclosed above with embodiment, the serial number before embodiment, such as " first ", " second " Deng only using for convenience of description, the sequence of various embodiments of the present invention is not caused to limit.Also, above-described embodiment not to Limitation the present invention, those skilled in the art, without departing from the spirit and scope of the present invention, can make it is various change with Retouching, therefore protection scope of the present invention subjects to the scope of the claims.

Claims (10)

1. a kind of display panel, including backboard and the flexible base board being arranged on the backboard, which is characterized in that the flexibility base Plate includes functional areas for pixel array to be arranged and positioned at the bent area of the functional areas side, and the display panel includes one The bent area is set backwards to the backboard one side for protecting the protective layer of the bent area cabling;
The protective layer includes:
Layer main body is protected, the bent area is covered;And
Protrusion is arranged at intervals on the protection layer main body;
One is wherein formed between two adjacent protrusions for discharging the stress relief grooves of folding s tress.
2. display panel according to claim 1, which is characterized in that the protrusion, which is divided into, to be arranged among the bent area The first partial protrusion and the second protrusion that the bent area two side portions are arranged in, the stress relief grooves are divided by adjacent Two first protrusion the first stress relief grooves formed and the second stress formed by two adjacent second protrusions Release groove;
Wherein the width of first protrusion is less than the width of second protrusion, adjacent the first stress release groove center The distance between line is less than adjacent the distance between the second stress release groove center line.
3. display panel according to claim 1, which is characterized in that in the longitudinal section of the protective layer, the protrusion Including the bottom surface being overlapped with the top surface of the protective layer ontology and it is connected to the convex globoidal at the bottom surface both ends.
4. display panel according to claim 3, which is characterized in that the stress relief grooves are by the adjacent convex globoidal shape At, and connected between two adjacent convex globoidals by fillet.
5. display panel according to claim 1, which is characterized in that in the longitudinal section of the protective layer, the protrusion Including the bottom surface being overlapped with the top surface of the protective layer ontology and two side planes for being connected to the bottom surface both ends;
Side plane described in two of them is respectively acute angle with the angle of the bottom surface.
6. display panel according to claim 5, which is characterized in that in the longitudinal section of the protective layer, the protrusion Cross sectional shape be triangle or trapezoidal shape, the stress relief grooves are formed by the adjacent side plane.
7. display panel according to claim 6, which is characterized in that in the stress relief grooves, two sides are flat Face is connected by fillet.
8. display panel according to claim 1, which is characterized in that the thickness of the protective layer is described less than 300 microns The thickness of layer main body is protected to be more than or equal to 30 microns and less than 100 microns.
9. a kind of display device, which is characterized in that including the described in any item display panels of claim 1-8.
10. display device according to claim 9, which is characterized in that the display device includes being arranged in the display The touch panel with polarizer on panel, wherein the height of the touch panel is higher than the height of the protective layer.
CN201810901251.5A 2018-08-09 2018-08-09 Display panel and display device Active CN109062439B (en)

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CN112909021A (en) * 2021-01-25 2021-06-04 京东方科技集团股份有限公司 Display device, display panel and manufacturing method thereof
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CN114093259A (en) * 2021-11-15 2022-02-25 合肥维信诺科技有限公司 Display device and preparation method thereof
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