CN109148534A - display panel and electronic device - Google Patents

display panel and electronic device Download PDF

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Publication number
CN109148534A
CN109148534A CN201810955884.4A CN201810955884A CN109148534A CN 109148534 A CN109148534 A CN 109148534A CN 201810955884 A CN201810955884 A CN 201810955884A CN 109148534 A CN109148534 A CN 109148534A
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CN
China
Prior art keywords
bending section
display panel
backplane region
curvature
groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810955884.4A
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Chinese (zh)
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CN109148534B (en
Inventor
吕林鸿
谢炎
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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 CN201810955884.4A priority Critical patent/CN109148534B/en
Publication of CN109148534A publication Critical patent/CN109148534A/en
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Publication of CN109148534B publication Critical patent/CN109148534B/en
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Classifications

    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K77/00Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
    • H10K77/10Substrates, e.g. flexible substrates
    • H10K77/111Flexible substrates
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating 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
    • G09F9/301Indicating 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
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating 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
    • G09F9/33Indicating 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
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/549Organic PV cells

Abstract

The invention proposes a kind of display panel and electronic device, the display panel includes: flexible base board, and the flexible base board includes for the firstth area of pixel array, the secondth area to be arranged and connects buckled zone between firstth area and secondth area;Backsheet layer, side positioned at the flexible base board far from the pixel array, the backsheet layer includes the first backplane region, the second backplane region and third backplane region, first backplane region corresponds to firstth area, the third backplane region corresponds to secondth area, the second backplane region correspondence and the buckled zone;Wherein, alleviation stress members are provided on second backplane region.The present invention alleviates stress members by being arranged on second backplane region, enhances the bending performance of flexible base board buckled zone and the ability to bear of antibody Monoclonal, improves the service life of display panel.

Description

Display panel and electronic device
Technical field
The present invention relates to display fields, and in particular to a kind of display panel and electronic device.
Background technique
In flat panel display, Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) is aobvious Show device have it is frivolous, actively shine, fast response time, angle of visibility is big, colour gamut is wide, brightness is high and many merits such as low in energy consumption, by Gradually become the third generation display technology after liquid crystal display.Relative to LCD (Liquid crystal displays, liquid crystal Show device), OLED has more power saving, and it is thinner, and the advantage that visual angle is wide, this is LCD incomparable.Currently, people are to display Fine and smooth degree, that is, resolution requirement is higher and higher, but production high quality, high-resolution OLED display screen still suffer from many Challenge.
With the development of display industry technology, user is higher and higher to the design requirement of display panel, such as narrow side The design of frame.
Fig. 1 show a kind of film layer structure figure of display panel unfolded state, the display panel in the prior art Backsheet layer, flexible base board 10, light emitting device layer 20 and thin-film encapsulation layer 30;Wherein, the flexible base board 10 includes for setting Set the buckled zone 40 between the firstth area, the secondth area and connection firstth area and secondth area of pixel array;The back Plate floor includes and corresponding first backplane region 50 in firstth area and third backplane region 60 corresponding with secondth area, and first It is white space between backplane region 50 and third backplane region 60.I.e. in the prior art, the buckled zone 40 of the flexible base board 10 It is not provided with back board structure, although such structure improves the angle of flexible base board buckled zone bending, but also increase simultaneously curved The probability of easy damaged, reduces the reliability of display module when bent area is bent.
Therefore, a kind of display panel is needed at present to solve the above problems.
Summary of the invention
The present invention provides a kind of display panel and electronic devices, to improve the bending of existing display panel buckled zone Energy.
According to an aspect of the invention, there is provided a kind of display panel, comprising:
Flexible base board, the flexible base board include for being arranged described in the firstth area of pixel array, the secondth area and connection Buckled zone between firstth area and secondth area;
Backsheet layer, the side positioned at the flexible base board far from the display panel display area, the backsheet layer include First backplane region, the second backplane region and third backplane region, first backplane region correspond to firstth area, the third back Plate area corresponds to secondth area, the second backplane region correspondence and the buckled zone;
Wherein, alleviation stress members are provided on second backplane region.
In display panel of the invention, the alleviation stress members are groove;
Wherein, second backplane region includes the first bending section, the second bending section and third bending section, and described first is curved Tune is located at institute close to the third backplane region, second bending section close to first backplane region, the third bending section State between the first bending section and the third bending section, the groove first bending section, second bending section and The distribution density of the third bending section is different.
In display panel of the invention, when the radius of curvature of second bending section is less than or equal to first bending section Radius of curvature and the third bending section radius of curvature when, the density of the groove is greater than institute in second bending section The density of the groove in the first bending section is stated, the density of the groove is greater than the third bending section in second bending section The density of the interior groove;
When the radius of curvature of second bending section is curved greater than the radius of curvature of first bending section and the third When the radius of curvature of tune, the density of the groove is less than the groove in first bending section in second bending section Density, the density of the groove is less than the density of the groove in the third bending section in second bending section.
In display panel of the invention, when the radius of curvature of second bending section is less than or equal to first bending section Radius of curvature and the third bending section radius of curvature when, the thicknesses of layers of second bending section is less than described first The thicknesses of layers of bending section, the thicknesses of layers of second bending section are less than the thicknesses of layers of the third bending section;
When the radius of curvature of second bending section is curved greater than the radius of curvature of first bending section and the third When the radius of curvature of tune, the thicknesses of layers of second bending section is greater than the thicknesses of layers of first bending section, and described the The thicknesses of layers of two bending sections is greater than the thicknesses of layers of the third bending section.
In display panel of the invention, the alleviation stress members are protrusion;
Wherein, second backplane region includes the first bending section, the second bending section and third bending section, and described first is curved Tune is located at institute close to the third backplane region, second bending section close to first backplane region, the third bending section State between the first bending section and the third bending section, the groove first bending section, second bending section and The thickness distribution of the third bending section is different.
It is described convex on first bending section to the direction of second bending section in display panel of the invention The thickness risen is gradually reduced, and on second bending section to the direction of the third bending section, the thickness of the protrusion is gradually Increase.
In display panel of the invention, the protrusion on first bending section is bent with the third is located at The protrusion in section corresponds;Or
The protrusion on first bending section is arranged with the bulge clearance being located on the third bending section Column, the protrusion on first bending section is contacted with the third bending section, on the third bending section The protrusion is contacted with first bending section.
In display panel of the invention, the protrusion exists only in second bending of first bending section and part Duan Shang;Or
The protrusion exists only on the third bending section and part second bending section.
In display panel of the invention, first backplane region and the third backplane region are close to second backboard The region in area is additionally provided with the alleviation stress members.
According to another aspect of the present invention, a kind of electronic device is additionally provided, including above-mentioned display module.
The utility model has the advantages that the present invention alleviates stress members by being arranged on second backplane region, flexible base board is enhanced The bending performance of buckled zone and the ability to bear of antibody Monoclonal, improve the service life of display panel.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of embodiment or technical solution in the prior art Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only some of invention Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these Figure obtains other attached drawings.
Fig. 1 show a kind of film layer structure figure of existing display panel unfolded state;
Fig. 2 is the film layer structure figure of one display panel of the embodiment of the present invention;
Fig. 3 is the film layer structure figure of one display panel buckled zone of the embodiment of the present invention;
Fig. 4 is the distribution map of one second backplane region further groove of the embodiment of the present invention;
Fig. 5 is the film layer structure figure of two display panel buckled zone of the embodiment of the present invention;
Fig. 6 is the film layer structure figure of three display panel buckled zone of the embodiment of the present invention;
Fig. 7 is the distribution map of 3 second backplane region further groove of the embodiment of the present invention;
Fig. 8 is the film layer structure figure of four display panel buckled zone of the embodiment of the present invention;
Fig. 9 is the film layer structure figure of five display panel buckled zone of the embodiment of the present invention;
Figure 10 is the film layer structure figure of six display panel buckled zone of the embodiment of the present invention;
Figure 11 is the film layer structure figure of seven display panel buckled zone of the embodiment of the present invention;
Figure 12 is the film layer structure figure of eight display panel buckled zone of the embodiment of the present invention.
Specific embodiment
The explanation of following embodiment is referred to the additional illustration, the particular implementation that can be used to implement to illustrate the present invention Example.The direction term that the present invention is previously mentioned, such as [on], [under], [preceding], [rear], [left side], [right side], [interior], [outer], [side] Deng being only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand the present invention, rather than to The limitation present invention.The similar unit of structure is with being given the same reference numerals in the figure.
Fig. 2 show a kind of film layer structure figure of display panel of the present invention, and display panel includes:
Flexible base board 10, the flexible base board 10 include the firstth area, the secondth area and connection for pixel array to be arranged Buckled zone 40 between firstth area and secondth area;In the present embodiment, shown flexible base board 10 includes flexible liner base Plate and pel array layer.
Wherein, shown underlay substrate is fabricated from a flexible material, and the flexible material present invention does not limit, and optionally can be to have Machine polymer;Preferably, the flexible material can be Kapton;Kapton is that performance is most in the world at present Good film class insulating materials has stronger tensile strength, by pyromellitic acid anhydride and diaminodiphenyl ether highly polar It is formed again through imidization in solvent through polycondensation and casting film-forming.
In addition, further including shining on the flexible base board 10 from the display panel can be can be seen that in figure Device layer 20 and be located at the light emitting device layer 20 on encapsulated layer 30.
It should be understood that the display panel is divided into display area and the non-display area positioned at the display area, institute It states display area and shows image;Wherein, firstth area is located at the display area of the display panel, secondth area and Buckled zone 40 is located at the non-display area of the display panel.
Backsheet layer, the side positioned at the flexible base board 10 far from the display panel display area, the backsheet layer packet The first backplane region 50, the second backplane region 70 and third backplane region 60 are included, first backplane region 50 corresponds to firstth area, The third backplane region 60 corresponds to secondth area, the correspondence of the second backplane region 70 and the buckled zone 40;Wherein, described Alleviation stress members are provided on second backplane region 70.
As shown in Figures 2 and 3, in display panel buckled zone 40 of the invention, the alleviation stress members are groove 80;Its In, second backplane region 70 include the first bending section 701, the second bending section 702 and third bending section 703, described first Bending section 701 is close to first backplane region 50, and the third bending section 703 is close to the third backplane region 60, and described second For bending section 702 between first bending section 701 and the third bending section 703, the groove 80 is curved described first The distribution density of tune 701, second bending section 702 and the third bending section 703 is different.
As shown in figure 3, the radius of curvature of the buckled zone 40 corresponding to second bending section 702, is less than or equal to institute It states described corresponding to the radius of curvature of the buckled zone 40 and the third bending section 703 corresponding to the first bending section 701 The radius of curvature of buckled zone 40;From mechanical analysis it is found that suffered by the buckled zone 40 corresponding to second bending section 702 To bending stress be maximum, the i.e. most easy fracture of the flexible base board 10 in this region;
It should be understood that the bending that the bending stress of second bending section 702 is greater than first bending section 701 is answered Power, the bending stress of second bending section 702 are greater than the bending stress of the third bending section 703;
Therefore, as shown in figure 4, the density of the groove 80 is greater than first bending section in second bending section 702 The density of the groove 80 in 701, the density of the groove 80 is greater than the third bending section in second bending section 702 The density of the groove 80 in 703;I.e. corresponding 80 comparatively dense of groove in the biggish region of bending stress, bending stress are smaller The corresponding groove 80 in region it is sparse, reduce the bending stress in each region, avoid stress concentration, improve described The bending performance of flexible base board 10.
On the basis of this embodiment, Fig. 5 show a kind of film layer of the display panel buckled zone 40 of the embodiment of the present invention two Structure chart, the bending stress being subject to according to each region it is of different sizes, second cover board area for reducing inside can be passed through Thicknesses of layers is to avoid stress concentration;
In the present embodiment, the thicknesses of layers of second bending section 702 is less than the film layer thickness of first bending section 701 Degree, the thicknesses of layers of second bending section 702 are less than the thicknesses of layers of the third bending section 703;
It should be understood that correspond to the buckled zone 40 corresponding to biggish second bending section 702 of bending stress, The thicknesses of layers for reducing second bending section 702 guarantees that the neutral axis of the buckled zone 40 is the arc of a smooth transition Line improves the buckle resistance energy of the buckled zone 40.
Fig. 6 show a kind of film layer structure figure of the display panel buckled zone 40 of the embodiment of the present invention three, in the present embodiment, In order to obtain narrower frame, in bending, the buckled zone 40 is bent into one section of circular arc, and the radian at both ends can be less than institute State the radian at 40 middle part of buckled zone;The radius of curvature of the buckled zone 40 corresponding to i.e. described second bending section 702 is greater than institute It states described corresponding to the radius of curvature of the buckled zone 40 and the third bending section 703 corresponding to the first bending section 701 The radius of curvature of buckled zone 40;From mechanical analysis it is found that first bending section 701 and the third bending section 703 pair Bending stress suffered by the buckled zone 40 answered is maximum, the i.e. most easy fracture of the flexible base board 10 in this region;
It should be understood that the bending that the bending stress of second bending section 702 is less than first bending section 701 is answered Power, the bending stress of second bending section 702 are less than the bending stress of the third bending section 703;
Therefore, as shown in fig. 7, the density of the groove 80 is less than first bending section in second bending section 702 The density of the groove 80 in 701, the density of the groove 80 is less than the third bending section in second bending section 702 The density of the groove 80 in 703;I.e. corresponding 80 comparatively dense of groove in the biggish region of bending stress, bending stress are smaller The corresponding groove 80 in region it is sparse, reduce the bending stress in each region, avoid stress concentration, improve described The bending performance of flexible base board 10.
On the basis of this embodiment, Fig. 8 show a kind of film layer of the display panel buckled zone 40 of the embodiment of the present invention four Structure chart, the bending stress being subject to according to each region it is of different sizes, second cover board area for reducing inside can be passed through Thicknesses of layers is to avoid stress concentration;
In the present embodiment, the thicknesses of layers of second bending section 702 is greater than the film layer thickness of first bending section 701 Degree, the thicknesses of layers of second bending section 702 are greater than the thicknesses of layers of the third bending section 703;
It should be understood that corresponding to biggish first bending section 701 of bending stress and 703 institute of the third bending section The corresponding buckled zone 40 reduces the thicknesses of layers of first bending section 701 and the third bending section 703, protects The neutral axis for demonstrate,proving the buckled zone 40 is the camber line of a smooth transition, improves the buckle resistance energy of the buckled zone 40.
Fig. 9 show a kind of film layer structure figure of the display panel buckled zone 40 of the embodiment of the present invention five, shows in of the invention Show in panel, is also set in first backplane region 50 and the third backplane region 60 close to the region of second backplane region 70 Be equipped with the alleviation stress members, i.e., the described groove 80, i.e. region 704 and region 705 in Fig. 9;It should be understood that described One backplane region 50 and the third backplane region 60 and 70 boundary of the second backplane region are bending stress start region, in order to Prevent unexpected deformation from the flexible base board 10 is broken, the groove 80 is arranged in place deformation occurs, is preferably promoted The buckle resistance energy of the flexible base board 10.
It should be understood that embodiment one is into embodiment five, and in the top view direction of display panel, the shape of the groove 80 Shape is but is not limited to circle, can also be square, one of rectangle, triangle or irregular shape etc. or a kind of Above combination.
In embodiment one into embodiment five, it is possible to understand that, it can will be corresponding to the biggish bending section of bending stress The openings of sizes of the groove 80 is arranged bigger, and the opening of the groove 80 corresponding to the lesser bending section of bending stress is big It is small to can be set smaller, it is poor to be sequentially reduced bending stress corresponding to different zones.
In display panel of the invention, the alleviation stress members are protrusion 90;Wherein, described raised 90 described The thickness distribution of one bending section 701, second bending section 702 and the third bending section 703 is different;In the present embodiment In, on first bending section 701 to the direction of second bending section 702, raised 90 thickness is gradually reduced, On second bending section 702 to the direction of the third bending section 703, raised 90 thickness is gradually increased.
Figure 10 show the film layer structure figure of display panel described in embodiment six, on first bending section 701 Described raised 90 correspond with described raised 90 on the third bending section 703, and contact with each other each other;It is excellent Choosing, each corresponding two raised 90 thickness is identical;Such as in Figure 10, two raised 90 thickness of head and the tail then phase Together.
It should be understood that be located at first bending section 701 on described raised 90 be located at the third bending section 703 On described raised 90 contact with each other, and the buckled zone 40 of the respectively corresponding flexible base board 10 is supported, so that described curved Bent area 40 forms a fixed radian, reduces the bending stress of buckled zone 40, avoids stress concentration, improves the flexible base 10 buckle resistance energy of plate.
Figure 11 show the film layer structure figure of display panel described in embodiment seven, on first bending section 701 Described raised 90 are alternatively arranged with described raised 90 on the third bending section 703;Wherein, it is located at first bending Described raised 90 in section 701 contact with the third bending section 703, the protrusion on the third bending section 703 90 contact with first bending section 701.
It should be understood that be located on each bending section described raised 90 are alternatively arranged;Bending is in buckled zone 40 When state, described raised 90 on third bending section 703 be interspersed on first bending section 701 described raised 90 it Between, and contacted with second backplane region 70;So that the buckled zone 40 forms a fixed radian, reduce the curved of buckled zone 40 Transverse stress avoids stress concentration, improves the 10 buckle resistance energy of flexible base board.
In display panel of the invention, described raised 90 can be only present in first bending section 701 and part institute It states on the second bending section 702;Or described raised 90 can be only present in the third bending section 703 and part it is described second bending In section 702.
Figure 12 show the film layer structure figure of display panel described in embodiment eight, and described raised 90 exist only in described first On bending section 701 and part second bending section 702, in first bending section 701 to second bending section 702 On direction, raised 90 thickness is gradually reduced;
It should be understood that when the display panel is in bending state, each described raised 90 and corresponding described The contact of two backplane regions 70 reduces the bending stress of buckled zone 40, avoids so that the buckled zone 40 forms a fixed radian 10 buckled zone of flexible base board, 40 stress is concentrated.
In display panel of the invention, in first backplane region and the third backplane region close to second back The region in plate area is additionally provided with the alleviation stress members, i.e., the described protrusion;It should be understood that first backplane region and institute Stating third backplane region and second backplane region boundary is bending stress start region, and unexpected deformation makes institute in order to prevent Flexible base board fracture is stated, the protrusion is arranged in place deformation occurs, preferably improves the buckle resistance of the flexible base board Energy.
It should be understood that embodiment six, into embodiment nine, raised 90 shape is but is not limited to circular cone, may be used also Think square, cuboid etc..
It should be understood that embodiment six, into embodiment nine, raised 90 distribution density does not limit specifically, it can To be arranged according to specific structure.
According to a further aspect of the invention, a kind of electronic device is additionally provided, the electronic device includes the display Panel.
The working principle of the display module is similar to the working principle of the display panel, the work of the electronic device Principle can specifically refer to the working principle of the display panel, be not described herein.
The invention proposes a kind of display panel and electronic device, the display panel includes: flexible base board, the flexibility Substrate includes for the firstth area of pixel array, the secondth area to be arranged and connects curved between firstth area and secondth area Bent area;Backsheet layer, the side positioned at the flexible base board far from the pixel array, the backsheet layer include the first backplane region, Second backplane region and third backplane region, first backplane region correspond to firstth area, and the third backplane region corresponds to Secondth area, the second backplane region correspondence and the buckled zone;Wherein, alleviation stress is provided on second backplane region Component.The present invention alleviates stress members by being arranged on second backplane region, enhances the bending of flexible base board buckled zone The ability to bear of performance and antibody Monoclonal improves the service life of display panel.
In conclusion although the present invention has been disclosed above in the preferred embodiment, but above preferred embodiment is not to limit The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention Decorations, therefore protection scope of the present invention subjects to the scope of the claims.

Claims (10)

1. a kind of display panel characterized by comprising
Flexible base board, the flexible base board include for the firstth area of pixel array, the secondth area and connection described first to be arranged Buckled zone between area and secondth area;
Backsheet layer, the side positioned at the flexible base board far from the pixel array, the backsheet layer include the first backplane region, the Two backplane regions and third backplane region, first backplane region correspond to firstth area, and the third backplane region corresponds to institute State the secondth area, the second backplane region correspondence and the buckled zone;
Wherein, alleviation stress members are provided on second backplane region.
2. display panel according to claim 1, which is characterized in that the alleviation stress members are groove;
Wherein, second backplane region includes the first bending section, the second bending section and third bending section, first bending section Close to first backplane region, for the third bending section close to the third backplane region, second bending section is located at described the Between one bending section and the third bending section, the groove is in first bending section, second bending section and described The distribution density of third bending section is different.
3. display panel according to claim 2, which is characterized in that when second bending section radius of curvature be less than etc. In first bending section radius of curvature and the third bending section radius of curvature when, it is described in second bending section The density of groove is greater than the density of the groove in first bending section, and the density of the groove is big in second bending section In the density of the groove in the third bending section;
When radius of curvature of the radius of curvature of second bending section greater than first bending section and the third bending section Radius of curvature when, the density of the groove is less than the close of the groove in first bending section in second bending section It spends, the density of the groove is less than the density of the groove in the third bending section in second bending section.
4. display panel according to claim 3, which is characterized in that when the radius of curvature of second bending section is less than or equal to When the radius of curvature of first bending section and the radius of curvature of the third bending section, the film layer of second bending section is thick Degree is less than the thicknesses of layers of first bending section, and the thicknesses of layers of second bending section is less than the film of the third bending section Thickness degree;
When radius of curvature of the radius of curvature of second bending section greater than first bending section and the third bending section Radius of curvature when, the thicknesses of layers of second bending section is greater than the thicknesses of layers of first bending section, and described second is curved The thicknesses of layers of tune is greater than the thicknesses of layers of the third bending section.
5. display panel according to claim 1, which is characterized in that the alleviation stress members are protrusion;
Wherein, second backplane region includes the first bending section, the second bending section and third bending section, first bending section Close to first backplane region, for the third bending section close to the third backplane region, second bending section is located at described the Between one bending section and the third bending section, the groove is in first bending section, second bending section and described The thickness distribution of third bending section is different.
6. display panel according to claim 5, which is characterized in that in first bending section to second bending section Direction on, the thickness of the protrusion is gradually reduced, described on second bending section to the direction of the third bending section The thickness of protrusion gradually increases.
7. display panel according to claim 6, which is characterized in that on first bending section it is described protrusion with The protrusion on the third bending section corresponds;Or
The protrusion on first bending section is arranged with the bulge clearance being located on the third bending section, position It is contacted in the protrusion on first bending section with the third bending section, it is described convex on the third bending section It rises and is contacted with first bending section.
8. display panel according to claim 5, which is characterized in that the protrusion exist only in first bending section and On second bending section of part;Or
The protrusion exists only on the third bending section and part second bending section.
9. display panel according to claim 1, which is characterized in that first backplane region and the third backplane region Region close to second backplane region is additionally provided with the alleviation stress members.
10. a kind of electronic device, which is characterized in that including display module as claimed in claim 9.
CN201810955884.4A 2018-08-21 2018-08-21 Display panel and electronic device Active CN109148534B (en)

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Cited By (28)

* Cited by examiner, † Cited by third party
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CN110047881A (en) * 2019-03-29 2019-07-23 武汉华星光电半导体显示技术有限公司 Display panel and display panel production method
CN110060573A (en) * 2019-04-22 2019-07-26 昆山国显光电有限公司 Flexible modular structure and display device
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WO2021056939A1 (en) * 2019-09-25 2021-04-01 武汉华星光电半导体显示技术有限公司 Oled display screen and oled display device
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US11342358B2 (en) 2019-07-11 2022-05-24 Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. Display panel and method for manufacturing same
WO2022127463A1 (en) * 2020-12-15 2022-06-23 京东方科技集团股份有限公司 Flexible support plate and flexible display device
US11398504B2 (en) * 2018-12-04 2022-07-26 Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. Display panel and method for manufacturing same
CN115116337A (en) * 2022-07-25 2022-09-27 昆山国显光电有限公司 Supporting assembly and display device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106023810A (en) * 2015-03-31 2016-10-12 三星显示有限公司 Flexible display
CN107611161A (en) * 2017-09-11 2018-01-19 上海天马有机发光显示技术有限公司 Flexible display panels and display device
CN107871451A (en) * 2016-09-22 2018-04-03 三星显示有限公司 Flexible display panels and the method for bending it

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106023810A (en) * 2015-03-31 2016-10-12 三星显示有限公司 Flexible display
CN107871451A (en) * 2016-09-22 2018-04-03 三星显示有限公司 Flexible display panels and the method for bending it
CN107611161A (en) * 2017-09-11 2018-01-19 上海天马有机发光显示技术有限公司 Flexible display panels and display device

Cited By (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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US11387296B2 (en) 2019-06-10 2022-07-12 Wuhan China Star Optoelectronies Semiconductor Display Technology Co., Ltd. Flexible display panel including a plurality of penetrating holes
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