WO2020000579A1 - 柔性oled显示装置 - Google Patents

柔性oled显示装置 Download PDF

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Publication number
WO2020000579A1
WO2020000579A1 PCT/CN2018/098347 CN2018098347W WO2020000579A1 WO 2020000579 A1 WO2020000579 A1 WO 2020000579A1 CN 2018098347 W CN2018098347 W CN 2018098347W WO 2020000579 A1 WO2020000579 A1 WO 2020000579A1
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WO
WIPO (PCT)
Prior art keywords
oled display
back plate
display device
flexible oled
display panel
Prior art date
Application number
PCT/CN2018/098347
Other languages
English (en)
French (fr)
Inventor
李云
Original Assignee
武汉华星光电半导体显示技术有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 武汉华星光电半导体显示技术有限公司 filed Critical 武汉华星光电半导体显示技术有限公司
Priority to US16/079,108 priority Critical patent/US10559767B2/en
Publication of WO2020000579A1 publication Critical patent/WO2020000579A1/zh

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Classifications

    • 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
    • H10K59/80—Constructional details
    • H10K59/87—Passivation; Containers; Encapsulations
    • H10K59/871—Self-supporting sealing arrangements
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
    • H10K77/10—Substrates, e.g. flexible substrates
    • H10K77/111—Flexible substrates
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H10K50/84—Passivation; Containers; Encapsulations
    • H10K50/842—Containers
    • H10K50/8426—Peripheral sealing arrangements, e.g. adhesives, sealants
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K2102/00—Constructional details relating to the organic devices covered by this subclass
    • H10K2102/301—Details of OLEDs
    • H10K2102/311—Flexible OLED
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/549—Organic PV cells

Definitions

  • the present invention relates to the field of display technology, and in particular, to a flexible OLED display device.
  • the existing packaging structure does not match the bending area of the flexible OLED.
  • the invention provides a flexible OLED display device, which can protect the OLED display panel from being squeezed by the housing before and after bending, and avoid OLED display panel from being damaged, so as to solve the mismatch between the OLED bending area and the housing there. The problem.
  • the present invention provides a flexible OLED display device including a casing and an OLED display panel disposed in the casing;
  • the enclosure includes:
  • a back plate, at least one first bending region is provided in a middle portion of the back plate
  • the OLED display panel is disposed on the surface of the back plate, the OLED display panel includes at least one second bending region, and the first bending region is disposed corresponding to the second bending region, and the first curve
  • the folded area is larger than the second folded area.
  • the wrapping layer is made of a leather-based material.
  • the first bending region includes a first buffer portion, a second buffer portion, and an adhesive portion, and the adhesive portion is disposed between the first buffer portion and the second buffer portion. between.
  • the bonding portion connects the casing and the OLED display panel.
  • the back plate is made of a metal material
  • the first buffer portion and the second buffer portion are made of foam material
  • the material of the adhesive layer is glue
  • two opposite ends of the back plate are respectively bent to form two opposite receiving grooves, and ends of the flexible OLED panel are respectively attached to the two receiving grooves.
  • the two ends of the back plate are respectively formed into a first bent portion and a second bent portion by two bendings, the first bent portion, the second bent portion, and
  • the accommodating groove is formed at a portion of the back plate near the first bent portion.
  • magnets are disposed at both ends of the back plate, and the magnets are disposed on an outer surface of a second bent portion of an end portion of the back plate.
  • a foam is provided inside the accommodating groove to prevent an end of the flexible OLED panel from being deformed by compression.
  • the present invention also provides a flexible OLED display device including a casing and an OLED display panel disposed in the casing;
  • the enclosure includes:
  • a back plate, at least one first bending region is provided in a middle portion of the back plate,
  • the OLED display panel is disposed on the surface of the back plate, the OLED display panel includes at least one second bending region, and the first bending region is disposed corresponding to the second bending region, and the first curve
  • the folded area is larger than the second folded area.
  • the first bending region includes a first buffer portion, a second buffer portion, and an adhesive portion, and the adhesive portion is disposed between the first buffer portion and the second buffer portion. between.
  • the bonding portion connects the casing and the OLED display panel.
  • the back plate is made of a metal material
  • the first buffer portion and the second buffer portion are made of foam material
  • the material of the adhesive layer is glue
  • two opposite ends of the back plate are respectively bent to form two opposite receiving grooves, and ends of the flexible OLED panel are respectively attached to the two receiving grooves.
  • the two ends of the back plate are respectively formed into a first bent portion and a second bent portion by two bendings, the first bent portion, the second bent portion, and
  • the accommodating groove is formed at a portion of the back plate near the first bent portion.
  • magnets are disposed at both ends of the back plate, and the magnets are disposed on an outer surface of a second bent portion of an end portion of the back plate.
  • a foam is provided inside the accommodating groove to prevent an end of the flexible OLED panel from being deformed by compression.
  • the flexible OLED display device provided by the present invention is provided with a shell adapted to the OLED display panel, and supports and protects the OLED display panel before and after bending, and prevents the OLED display panel from being squeezed. Thus, the OLED display panel is prevented from being damaged.
  • FIG. 1 is a schematic structural diagram of a first preferred embodiment of a flexible OLED display device of the present invention.
  • FIG. 2 is another schematic structural diagram of the first preferred embodiment of the flexible OLED display device of the present invention.
  • FIG. 3 is a schematic structural diagram of a second preferred embodiment of a flexible OLED display device of the present invention.
  • FIG. 4 is a schematic structural diagram of a third preferred embodiment of the flexible OLED display device of the present invention.
  • FIG. 5 is another schematic structural diagram of a third preferred embodiment of the flexible OLED display device of the present invention.
  • FIGS. 1 to 2 are schematic structural diagrams of the first preferred embodiment of the flexible OLED display device of the present invention.
  • FIG. 1 is a schematic structural diagram of an opened state of a flexible OLED display device according to a first preferred embodiment.
  • a flexible OLED display device includes a casing and an OLED display panel 30 disposed in the casing; the casing includes a back plate 10 and a wrapping layer 20; and the OLED display panel 30 is disposed on the casing The surface of the back plate 10.
  • a middle portion of the back plate 10 is provided with a first bending region, and the first bending region includes a first buffer portion 11, a second buffer portion 12, and an adhesive layer 13; On the surface of the back plate 10 and the bent area.
  • the OLED display panel 30 includes a second bending region, and the first bending region is disposed corresponding to the second bending region.
  • the first bending region is larger than the second bending region.
  • the second bending region is bent together with the first bending region.
  • the back plate 10 is made of a metal material, and plays a role of supporting the OLED display panel 30.
  • the wrapping layer 20 is made of a leather-like material.
  • the leather-like material has the characteristics of high flexibility and good abrasion resistance.
  • the wrapping layer 20 can not only be bent together with the first bending region on the back plate 10. Folding can also protect the back plate 10 and its bending area, and reduce abrasion of the back plate 10 and the first bending area.
  • the first buffer portion 11 and the second buffer portion 12 are both made of foam material.
  • the foam material has fine micropores inside, which has the characteristics of good elasticity and light weight.
  • the second buffering portion 12 plays a role of resisting pressure, buffering and supporting when bending.
  • the adhesive layer 13 is a cured glue layer. A space is reserved between the first buffer portion 11 and the second buffer portion 12. The glue is filled in the space, and then the OLED is displayed. The panel 30 is adhered to the surface of the back plate 10, and an adhesive layer 13 is formed after the glue is cured. The adhesive layer 13 plays a role of connecting the OELD display panel 30 and the casing.
  • FIG. 2 is a schematic structural diagram of a combined state of the flexible OLED display device after bending according to the first preferred embodiment.
  • a U-shaped structure is formed.
  • the U-shaped structure can both fix the OLED display panel 30 and support the two ends of the bent OLED display panel 30 to avoid The two ends of the OLED display panel 30 are rubbed and squeezed against each other; the two ends of the first bending area form two curved corners. Due to the action of glue and foam, the first bending area will not appear With the phenomenon of dead folding, the curved angle prevents the OLED display panel from being damaged by being squeezed in the first bending area, because the OLED display panel is only connected to the first portion of the back plate 10.
  • a bending area is connected and fixed, and other non-connected connecting parts of the OLED display panel can be extended freely, which can further reduce the deformation and the pressing force generated after bending.
  • two opposite ends of the back plate 10 are respectively bent to form two opposite receiving grooves 14, and the end portions 31 of the flexible OLED panel are respectively attached to the two receiving grooves 14.
  • two opposite ends of the back plate 10 are respectively formed with a first bending portion 101 and a second bending portion 102 in sequence by vertical bending or approximately vertical bending, and the first bending
  • the receiving groove 14 is formed in the portion 101, the second bent portion 102, and a portion of the back plate 10 near the first bent portion 101.
  • the wrapping layer 20 covers the surface of the back plate 10
  • two opposite ends of the wrapping layer 20 are also bent twice to form the same bent portion.
  • the accommodating groove 14 is used to provide a reserved space for the bent OLED display panel 30, and to receive the deformed OLED display panel 30 at an end, to play a buffering and fixing role.
  • FIG. 3 is a schematic structural diagram of a second preferred embodiment of a flexible OLED display device according to the present invention.
  • a flexible OLED display device includes a casing and an OLED display panel 30 disposed in the casing; the casing includes a back plate 10 and a wrapping layer 20; and the OLED display panel 30 is disposed on the casing The surface of the back plate 10.
  • the middle portion of the back plate 10 is provided with a first bending region, and the first bending region includes a first buffer portion 11, a second buffer portion 12, and an adhesive layer 13; Surfaces of the back plate 10 and the first bending region.
  • the OLED display panel 30 includes a second bending region, and the first bending region is disposed corresponding to the second bending region.
  • the first bending region is larger than the second bending region.
  • the second bending region is bent together with the first bending region.
  • the back plate 10 is made of a metal material, and plays a role of supporting the OLED display panel 30.
  • the wrapping layer 20 is made of a leather-like material.
  • the leather-like material has the characteristics of high flexibility and good abrasion resistance.
  • the wrapping layer 20 can not only be bent together with the first bending region on the back plate 10. Folding can also protect the back plate 10 and its bending area, and reduce abrasion of the back plate 10 and the first bending area.
  • the first buffer portion 11 and the second buffer portion 12 are both made of foam material.
  • the foam material has fine micropores inside, which has the characteristics of good elasticity and light weight.
  • the second buffering portion 12 plays a role of resisting pressure, buffering and supporting when bending.
  • the adhesive layer 13 is a cured glue layer. A space is reserved between the first buffer portion 11 and the second buffer portion 12. The glue is filled in the space, and then the OLED is displayed. The panel 30 is adhered to the surface of the back plate 10, and an adhesive layer 13 is formed after the glue is cured. The adhesive layer 13 plays a role of connecting the OELD display panel 30 and the casing.
  • FIG. 3 is a schematic structural diagram of a merged state of the flexible OLED display device according to the second preferred embodiment.
  • a U-shaped structure is formed.
  • the U-shaped structure can both fix the OLED display panel 30 and support the two ends of the bent OLED display panel 30 to avoid The two ends of the OLED display panel 30 are rubbed and squeezed against each other; the two ends of the first bending area form two curved corners.
  • the first bending area will not appear The phenomenon of dead bend, the curved angle prevents the OLED display panel from being damaged by being squeezed in the first bending region, because the OLED display panel is only connected to the bending region of the back plate 10 Fixed, other non-connected connecting parts of the OLED display panel can be extended freely, which can further reduce the deformation and compression force generated after bending.
  • two opposite ends of the back plate 10 are respectively bent to form two opposite receiving grooves 14, and the end portions 31 of the flexible OLED panel are respectively attached to the two receiving grooves 14.
  • two opposite ends of the back plate 10 are respectively formed with a first bending portion 101 and a second bending portion 102 in sequence by vertical bending or approximately vertical bending, and the first bending
  • the receiving groove 14 is formed in the portion 101, the second bent portion 102, and a portion of the back plate 10 near the first bent portion 101.
  • the wrapping layer 20 covers the surface of the back plate 10
  • two opposite ends of the wrapping layer 20 are also bent twice to form the same bent portion.
  • the accommodating groove 14 is used to provide a reserved space for the bent OLED display panel 30, and to receive the deformed OLED display panel 30 at an end, to play a buffering and fixing role.
  • magnets are disposed at both ends of the flexible OLED display device. Specifically, magnets 15 are disposed on surfaces of the second bent portions 102 at both ends of the casing. After the flexible OLED display device is bent, the magnets 15 at both ends magnetically cooperate with each other, so that both ends of the casing are closed more firmly.
  • Foam 16 is also provided inside the two receiving grooves 14, and the foam 16 is used to protect the end 31 of the OLED display panel 30 attached to the two receiving grooves 14 from being squeezed.
  • FIGS. 4 to 5 are schematic structural diagrams of the third preferred embodiment of the flexible OLED display device of the present invention.
  • FIG. 4 is a schematic structural diagram of an open state of a flexible OLED display device according to a third preferred embodiment.
  • a flexible OLED display device includes a casing and an OLED display panel 30 disposed in the casing; the casing includes a back plate 10; a wrapping layer 20; and the OLED display panel 30 is disposed on the casing. The surface of the back plate 10.
  • the middle portion of the back plate 10 is provided with two first bending regions, and the first bending region includes a first buffer portion 11, a second buffer portion 12, and an adhesive layer 13; Covering the surface of the back plate 10 and the first bending area.
  • the OLED display panel 30 includes two second bending regions, the first bending region is provided corresponding to the second bending region, and the second bending region is performed together with the first bending region. Bending, the area of the first bending area is larger than the area of the second bending area.
  • the back plate 10 is made of a metal material, and plays a role of supporting the OLED display panel 30.
  • the wrapping layer 20 is made of a leather-like material.
  • the leather-like material has the characteristics of high flexibility and good abrasion resistance.
  • the wrapping layer 20 can not only be bent together with the first bending region on the back plate 10. Folding can also protect the back plate 10 and its bending area, and reduce abrasion of the back plate 10 and the first bending area.
  • the first buffer portion 11 and the second buffer portion 12 are both made of foam material.
  • the foam material has fine micropores inside, which has the characteristics of good elasticity and light weight.
  • the second buffering portion 12 plays a role of resisting pressure, buffering and supporting when bending.
  • the adhesive layer 13 is a cured glue layer. A space is reserved between the first buffer portion 11 and the second buffer portion 12. The glue is filled in the space, and then the OLED is displayed. The panel 30 is adhered to the surface of the back plate 10, and an adhesive layer 13 is formed after the glue is cured. The adhesive layer 13 plays a role of connecting the OELD display panel 30 and the casing.
  • FIG. 5 is a schematic structural diagram of a folded merging state of the flexible OLED display device according to the third preferred embodiment.
  • the flexible OLED display device is bent twice to form two U-shaped structures, and the U-shaped structure can both fix the OLED display panel 30 and support both ends of the bent OLED display panel 30 Function to prevent the two ends of the OLED display panel 30 from rubbing and squeezing each other; the two ends of the first bending area form two curved corners, and the bending area will not die due to the action of glue and foam.
  • the curved angle prevents the OLED display panel from being damaged by being squeezed in the first bending region, because the OLED display panel is only connected and fixed to the bending region of the back plate 10
  • the other non-connected connection parts of the OLED display panel can be extended freely, which can further reduce the deformation and compression force generated after bending.
  • two opposite ends of the back plate 10 are respectively bent to form two opposite receiving grooves 14, and the end portions 31 of the flexible OLED panel are respectively attached to the two receiving grooves 14.
  • two opposite ends of the back plate 10 are respectively formed with a first bending portion 101 and a second bending portion 102 in sequence by vertical bending or approximately vertical bending, and the first bending
  • the receiving groove 14 is formed in the portion 101, the second bent portion 102, and a portion of the back plate 10 near the first bent portion 101.
  • the wrapping layer 20 covers the surface of the back plate 10
  • two opposite ends of the wrapping layer 20 are also bent twice to form the same bent portion.
  • the accommodating groove 14 is used to provide a reserved space for the bent OLED display panel 30, and to receive the deformed OLED display panel 30 at an end, to play a buffering and fixing role.
  • the present invention is provided with a shell adapted to the OLED display panel, and supports and protects the OLED display panel before and after bending, thereby preventing the OLED display panel from being squeezed, thereby avoiding The OLED display panel was damaged.

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  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Electroluminescent Light Sources (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

一种柔性OLED显示装置，包括外壳，以及设置于所述外壳内的OLED显示面板（30）；所述外壳包括背板（10），所述背板（10）中部设置有弯折区域，所述OLED显示面板（30）设置于所述背板（10）表面。通过设置与OLED显示面板（30）相适配的外壳，对弯折前后的OLED显示面板（30）起到支撑和保护作用，避免OLED显示面板（30）受到挤压，从而避免OLED显示面板（30）受到损伤。

Description

柔性OLED显示装置 技术领域
本发明涉及显示技术领域，特别涉及一种柔性OLED显示装置。
 背景技术
近年来，OLED显示屏在智能手机、智能手环、电视、电脑等方面的应用呈快速增长趋势，越来越多的高端机采用OLED屏幕，特别是柔性OLED屏幕。柔性OLED相较于LCD而言，不仅具有高对比度、低功耗、超薄等特性，还具有可弯曲、柔韧性好的特性，柔性OLED在折叠屏领域的应用前景广阔。
目前，柔性OLED内弯折产品在市场上尚未有可参考方案，柔性OLED内弯折产品设计的难点还在于外壳的设计，现有的外壳结构与OLED弯折区域不相适配，存在对弯折前后的OLED造成挤压变形的风险。
综上所述，现有的封装结构存在与柔性OLED的弯折区域不匹配的问题。
 技术问题
本发明提供一种柔性OLED显示装置，能够保护OLED显示面板在弯折前后不受到外壳的挤压，避免OLED显示面板受到损坏，以解决现有技术中OLED弯折区域与该处的外壳不匹配的问题。
 技术解决方案
为解决上述问题，本发明提供的技术方案如下：
本发明提供一种柔性OLED显示装置，包括外壳，以及设置于所述外壳内的OLED显示面板；
所述外壳包括：
背板，所述背板中部设置有至少一个第一弯折区域；
包裹层，所述包裹层包覆在所述背板和所述第一弯折区域的表面；
所述OLED显示面板设置于所述背板表面，所述OLED显示面板包括至少一个第二弯折区域，所述第一弯折区域与所述第二弯折区域对应设置，所述第一弯折区域大于所述第二弯折区域。
根据本发明一优选实施，所述包裹层采用皮革类材料制备。
根据本发明一优选实施，所述第一弯折区域包括第一缓冲部、第二缓冲部以及粘结部，所述粘结部设置于所述第一缓冲部和所述第二缓冲部之间。
根据本发明一优选实施，所述粘结部连接所述外壳和所述OLED显示面板。
根据本发明一优选实施，所述背板采用金属材料制备，所述第一缓冲部和所述第二缓冲部采用泡棉材料制备，所述粘结层的材料是胶水。
根据本发明一优选实施，所述背板的两相对端分别弯折形成两个相对的容纳槽，所述柔性OLED面板的端部分别依附在该两个容纳槽中。
根据本发明一优选实施，所述背板的两端分别通过两次弯折依次形成第一弯折部、第二弯折部，所述第一弯折部、所述第二弯折部以及所述背板的靠近所述第一弯折部的部位形成所述容纳槽。
根据本发明一优选实施，所述背板的两端设置有磁石，所述磁石设置于所述背板端部的第二弯折部的外表面。
根据本发明一优选实施，所述容纳槽内部设置有泡棉，用以防止所述柔性OLED面板的端部受到挤压变形。
本发明还提供一种柔性OLED显示装置，包括外壳，以及设置于所述外壳内的OLED显示面板；
所述外壳包括：
背板，所述背板中部设置有至少一个第一弯折区域，
所述OLED显示面板设置于所述背板表面，所述OLED显示面板包括至少一个第二弯折区域，所述第一弯折区域与所述第二弯折区域对应设置，所述第一弯折区域大于所述第二弯折区域。
根据本发明一优选实施，所述第一弯折区域包括第一缓冲部、第二缓冲部以及粘结部，所述粘结部设置于所述第一缓冲部和所述第二缓冲部之间。
根据本发明一优选实施，所述粘结部连接所述外壳和所述OLED显示面板。
根据本发明一优选实施，所述背板采用金属材料制备，所述第一缓冲部和所述第二缓冲部采用泡棉材料制备，所述粘结层的材料是胶水。
根据本发明一优选实施，所述背板的两相对端分别弯折形成两个相对的容纳槽，所述柔性OLED面板的端部分别依附在该两个容纳槽中。
根据本发明一优选实施，所述背板的两端分别通过两次弯折依次形成第一弯折部、第二弯折部，所述第一弯折部、所述第二弯折部以及所述背板的靠近所述第一弯折部的部位形成所述容纳槽。
根据本发明一优选实施，所述背板的两端设置有磁石，所述磁石设置于所述背板端部的第二弯折部的外表面。
根据本发明一优选实施，所述容纳槽内部设置有泡棉，用以防止所述柔性OLED面板的端部受到挤压变形。
 有益效果
本发明的有益效果为：本发明提供的柔性OLED显示装置，设置与OLED显示面板相适配的外壳，对弯折前后的OLED显示面板起到支撑和保护作用，避免OLED显示面板受到挤压，从而避免OLED显示面板受到损伤。
 附图说明
为了更清楚地说明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单介绍，显而易见地，下面描述中的附图仅仅是发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明的柔性OLED显示装置的第一优选实施例的结构示意图。
图2为本发明的柔性OLED显示装置的第一优选实施例的另一结构示意图。
图3为本发明的柔性OLED显示装置的第二优选实施例的结构示意图。
图4为本发明的柔性OLED显示装置的第三优选实施例的结构示意图。
图5为本发明的柔性OLED显示装置的第三优选实施例的又一结构示意图。
 本发明的最佳实施方式
以下各实施例的说明是参考附加的图示，用以例示本发明可用以实施的特定实施例。本发明所提到的方向用语，例如[上]、[下]、[前]、[后]、[左]、[右]、[内]、[外]、[侧面]等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本发明，而非用以限制本发明。在图中，结构相似的单元是用以相同标号表示。
请参照图1~2，图1~2为本发明柔性OLED显示装置的优选实施例一的结构示意图。
如图1所示，图1为本优选实施例一的柔性OLED显示装置的打开状态的结构示意图。本优选实施例的一种柔性OLED显示装置，包括外壳，以及设置于所述外壳内的OLED显示面板30；所述外壳包括背板10，包裹层20；所述OLED显示面板30设置于所述背板10的表面。
其中，所述背板10的中部设置有一个第一弯折区域，所述第一弯折区域包括第一缓冲部11，第二缓冲部12以及粘结层13；所述包裹层20包覆在所述背板10和所述弯折区域的表面。
所述OLED显示面板30包括一个第二弯折区域，所述第一弯折区域与所述第二弯折区域对应设置，所述第一弯折区域大于所述第二弯折区域，所述第二弯折区域与所述第一弯折区域一起进行弯折。
所述背板10采用金属材料制备，起到支撑OLED显示面板30的作用。
所述包裹层20采用皮革类材料制备，皮革类材料具有柔韧性高，耐磨性好的特点，所述包裹层20不仅可与所述背板10上的所述第一弯折区域一起弯折，还可对所述背板10及其弯折区域起到保护作用，减少所述背板10及所述第一弯折区域的磨损。
所述第一缓冲部11和所述第二缓冲部12均采用泡棉材料制备，泡棉材料内部具有细小的微孔，具有弹性好、质量轻的特性，所述第一缓冲部11和所述第二缓冲部12在弯曲时起到抗压、缓冲和支撑作用。
所述粘结层13为固化后的胶水层，在所述第一缓冲部11和所述第二缓冲部12之间预留出空间，将胶水填充在该空间内，然后将所述OLED显示面板30贴合在所述背板10的表面，待胶水固化后形成粘结层13，所述粘结层13起到连接所述OELD显示面板30与所述外壳的作用。
如图2所示，图2为本优选实施例一的柔性OLED显示装置的弯折后合并状态的结构示意图。所述柔性OLED显示装置弯折后形成一U型结构，该U型结构既能固定所述OLED显示面板30也能对弯折后的所述OLED显示面板30的两端起到支撑作用，避免所述OLED显示面板30的两端相互摩擦和挤压；所述第一弯折区域的两端形成两个弧形角，由于胶水和泡棉的作用，所述第一弯折区域不会出现死折的现象，所述弧形角避免了所述OLED显示面板在所述第一弯折区域受到挤压而导致损伤，由于所述OLED显示面板只与所述背板10上的所述第一弯折区域连接固定，所述OLED显示面板的其他不相连连接部分可自由延伸，可进一步将弯折后产生的形变和挤压力降到最小。
进一步地，所述背板10的两相对端分别弯折形成两个相对的容纳槽14，所述柔性OLED面板的端部31分别依附在该两个容纳槽14中。
具体地，在本实施例中，所述背板10的两相对端分别通过垂直弯折或近似垂直弯折依次形成第一弯折部101、第二弯折部102，所述第一弯折部101、第二弯折部102以及所述背板10的靠近第一弯折部101的部位形成所述容纳槽14。对应地，由于所述包裹层20包覆在所述背板10的表面，所述包裹层20的两相对端也进行了两次同样的弯折，形成同样的弯折部。所述容纳槽14用于给弯折后的所述OLED显示面板30提供预留空间，容纳发生形变后的OLED显示面板30的端部，起到缓冲和固定作用。
请参照图3，图3为本发明柔性OLED显示装置的优选实施例二的结构示意图。
本优选实施例的一种柔性OLED显示装置，包括外壳，以及设置于所述外壳内的OLED显示面板30；所述外壳包括背板10，包裹层20；所述OLED显示面板30设置于所述背板10的表面。
其中，所述背板10的中部设置有第一弯折区域，所述第一弯折区域包括第一缓冲部11，第二缓冲部12以及粘结层13；所述包裹层20包覆在所述背板10和所述第一弯折区域的表面。
所述OLED显示面板30包括一个第二弯折区域，所述第一弯折区域与所述第二弯折区域对应设置，所述第一弯折区域大于所述第二弯折区域，所述第二弯折区域与所述第一弯折区域一起进行弯折。
所述背板10采用金属材料制备，起到支撑OLED显示面板30的作用。
所述包裹层20采用皮革类材料制备，皮革类材料具有柔韧性高，耐磨性好的特点，所述包裹层20不仅可与所述背板10上的所述第一弯折区域一起弯折，还可对所述背板10及其弯折区域起到保护作用，减少所述背板10及所述第一弯折区域的磨损。
所述第一缓冲部11和所述第二缓冲部12均采用泡棉材料制备，泡棉材料内部具有细小的微孔，具有弹性好、质量轻的特性，所述第一缓冲部11和所述第二缓冲部12在弯曲时起到抗压、缓冲和支撑作用。
所述粘结层13为固化后的胶水层，在所述第一缓冲部11和所述第二缓冲部12之间预留出空间，将胶水填充在该空间内，然后将所述OLED显示面板30贴合在所述背板10的表面，待胶水固化后形成粘结层13，所述粘结层13起到连接所述OELD显示面板30与所述外壳的作用。
如图3所示，图3为本优选实施例二的柔性OLED显示装置的弯折后合并状态的结构示意图。所述柔性OLED显示装置弯折后形成一U型结构，该U型结构既能固定所述OLED显示面板30也能对弯折后的所述OLED显示面板30的两端起到支撑作用，避免所述OLED显示面板30的两端相互摩擦和挤压；所述第一弯折区域的两端形成两个弧形角，由于胶水和泡棉的作用，所述第一弯折区域不会出现死折的现象，所述弧形角避免了所述OLED显示面板在所述第一弯折区域受到挤压而导致损伤，由于所述OLED显示面板只与所述背板10的弯折区域连接固定，所述OLED显示面板的其他不相连连接部分可自由延伸，可进一步将弯折后产生的形变和挤压力降到最小。
进一步地，所述背板10的两相对端分别弯折形成两个相对的容纳槽14，所述柔性OLED面板的端部31分别依附在该两个容纳槽14中。
具体地，在本实施例中，所述背板10的两相对端分别通过垂直弯折或近似垂直弯折依次形成第一弯折部101、第二弯折部102，所述第一弯折部101、第二弯折部102以及所述背板10的靠近第一弯折部101的部位形成所述容纳槽14。对应地，由于所述包裹层20包覆在所述背板10的表面，所述包裹层20的两相对端也进行了两次同样的弯折，形成同样的弯折部。所述容纳槽14用于给弯折后的所述OLED显示面板30提供预留空间，容纳发生形变后的OLED显示面板30的端部，起到缓冲和固定作用。
进一步地，所述柔性OLED显示装置的两端设置有磁石，具体地，所述外壳的两端的所述第二弯折部102的表面设置有磁石15。所述柔性OLED显示装置在弯折后，两端的磁石15相互磁吸配合，使得所述外壳的两端闭合地更牢固。
所述两个容纳槽14内部还设置有泡棉16，所述泡棉16用于保护依附在所述两个容纳槽14内的所述OLED显示面板30的端部31避免受到挤压。
请参照图4~5，图4~5为本发明柔性OLED显示装置的优选实施例三的结构示意图。
如图4所示，图4为本优选实施例三的柔性OLED显示装置的打开状态的结构示意图。本优选实施例的一种柔性OLED显示装置，包括外壳，以及设置于所述外壳内的OLED显示面板30；所述外壳包括背板10；包裹层20；所述OLED显示面板30设置于所述背板10的表面。
其中，所述背板10的中部设置有两个第一弯折区域，所述第一弯折区域包括第一缓冲部11，第二缓冲部12以及粘结层13；所述包裹层20包覆在所述背板10和所述第一弯折区域的表面。
所述OLED显示面板30包括两个第二弯折区域，所述第一弯折区域与所述第二弯折区域对应设置，所述第二弯折区域与所述第一弯折区域一起进行弯折，所述第一弯折区域面积大于所述第二弯折区域面积。
所述背板10采用金属材料制备，起到支撑OLED显示面板30的作用。
所述包裹层20采用皮革类材料制备，皮革类材料具有柔韧性高，耐磨性好的特点，所述包裹层20不仅可与所述背板10上的所述第一弯折区域一起弯折，还可对所述背板10及其弯折区域起到保护作用，减少所述背板10及所述第一弯折区域的磨损。
所述第一缓冲部11和所述第二缓冲部12均采用泡棉材料制备，泡棉材料内部具有细小的微孔，具有弹性好、质量轻的特性，所述第一缓冲部11和所述第二缓冲部12在弯曲时起到抗压、缓冲和支撑作用。
所述粘结层13为固化后的胶水层，在所述第一缓冲部11和所述第二缓冲部12之间预留出空间，将胶水填充在该空间内，然后将所述OLED显示面板30贴合在所述背板10的表面，待胶水固化后形成粘结层13，所述粘结层13起到连接所述OELD显示面板30与所述外壳的作用。
如图5所示，图5为本优选实施例三的柔性OLED显示装置的弯折后合并状态的结构示意图。所述柔性OLED显示装置弯折两次后形成两个U型结构，该U型结构既能固定所述OLED显示面板30也能对弯折后的所述OLED显示面板30的两端起到支撑作用，避免所述OLED显示面板30的两端相互摩擦和挤压；所述第一弯折区域的两端形成两个弧形角，由于胶水和泡棉的作用，弯折区域不会出现死折的现象，所述弧形角避免了所述OLED显示面板在所述第一弯折区域受到挤压而导致损伤，由于所述OLED显示面板只与所述背板10的弯折区域连接固定，所述OLED显示面板的其他不相连连接部分可自由延伸，可进一步将弯折后产生的形变和挤压力降到最小。
进一步地，所述背板10的两相对端分别弯折形成两个相对的容纳槽14，所述柔性OLED面板的端部31分别依附在该两个容纳槽14中。
具体地，在本实施例中，所述背板10的两相对端分别通过垂直弯折或近似垂直弯折依次形成第一弯折部101、第二弯折部102，所述第一弯折部101、第二弯折部102以及所述背板10的靠近第一弯折部101的部位形成所述容纳槽14。对应地，由于所述包裹层20包覆在所述背板10的表面，所述包裹层20的两相对端也进行了两次同样的弯折，形成同样的弯折部。所述容纳槽14用于给弯折后的所述OLED显示面板30提供预留空间，容纳发生形变后的OLED显示面板30的端部，起到缓冲和固定作用。
有益效果：本发明通过提供一种柔性OLED显示装置，设置与OLED显示面板相适配的外壳，对弯折前后的OLED显示面板起到支撑和保护作用，避免OLED显示面板受到挤压，从而避免OLED显示面板受到损伤。
综上所述，虽然本发明已以优选实施例揭露如上，但上述优选实施例并非用以限制本发明，本领域的普通技术人员，在不脱离本发明的精神和范围内，均可作各种更动与润饰，因此本发明的保护范围以权利要求界定的范围为准。

Claims (17)

  1. 一种柔性OLED显示装置，其中，包括外壳，以及设置于所述外壳内的OLED显示面板；
    所述外壳包括：
    背板，所述背板中部设置有至少一个第一弯折区域；
    包裹层，所述包裹层包覆在所述背板和所述第一弯折区域的表面；
    所述OLED显示面板设置于所述背板表面，所述OLED显示面板包括至少一个第二弯折区域，所述第一弯折区域与所述第二弯折区域对应设置，所述第一弯折区域大于所述第二弯折区域。
  2. 根据权利要求1所述的柔性OLED显示装置，其中，所述包裹层采用皮革类材料制备。
  3. 根据权利要求1所述的柔性OLED显示装置，其中，所述第一弯折区域包括第一缓冲部、第二缓冲部以及粘结部，所述粘结部设置于所述第一缓冲部和所述第二缓冲部之间。
  4. 根据权利要求3所述的柔性OLED显示装置，其中，所述粘结部连接所述外壳和所述OLED显示面板。
  5. 根据权利要求4所述的柔性OLED显示装置，其中，所述背板采用金属材料制备，所述第一缓冲部和所述第二缓冲部采用泡棉材料制备，所述粘结层的材料是胶水。
  6. 根据权利要求1所述的柔性OLED显示装置，其中，所述背板的两相对端分别弯折形成两个相对的容纳槽，所述柔性OLED面板的端部分别依附在该两个容纳槽中。
  7. 根据权利要求6所述的柔性OLED显示装置，其中，所述背板的两端分别通过两次弯折依次形成第一弯折部、第二弯折部，所述第一弯折部、所述第二弯折部以及所述背板的靠近所述第一弯折部的部位形成所述容纳槽。
  8. 根据权利要求7所述的柔性OLED显示装置，其中，所述背板的两端设置有磁石，所述磁石设置于所述背板端部的第二弯折部的外表面。
  9. 根据权利要求7所述的柔性OLED显示装置，其中，所述容纳槽内部设置有泡棉，用以防止所述柔性OLED面板的端部受到挤压变形。
  10. 一种柔性OLED显示装置，其中，包括外壳，以及设置于所述外壳内的OLED显示面板；
    所述外壳包括：
    背板，所述背板中部设置有至少一个第一弯折区域，
    所述OLED显示面板设置于所述背板表面，所述OLED显示面板包括至少一个第二弯折区域，所述第一弯折区域与所述第二弯折区域对应设置，所述第一弯折区域大于所述第二弯折区域。
  11. 根据权利要求10所述的柔性OLED显示装置，其中，所述第一弯折区域包括第一缓冲部、第二缓冲部以及粘结部，所述粘结部设置于所述第一缓冲部和所述第二缓冲部之间。
  12. 根据权利要求11所述的柔性OLED显示装置，其中，所述粘结部连接所述外壳和所述OLED显示面板。
  13. 根据权利要求12所述的柔性OLED显示装置，其中，所述背板采用金属材料制备，所述第一缓冲部和所述第二缓冲部采用泡棉材料制备，所述粘结层的材料是胶水。
  14. 根据权利要求10所述的柔性OLED显示装置，其中，所述背板的两相对端分别弯折形成两个相对的容纳槽，所述柔性OLED面板的端部分别依附在该两个容纳槽中。
  15. 根据权利要求14所述的柔性OLED显示装置，其中，所述背板的两端分别通过两次弯折依次形成第一弯折部、第二弯折部，所述第一弯折部、所述第二弯折部以及所述背板的靠近所述第一弯折部的部位形成所述容纳槽。
  16. 根据权利要求15所述的柔性OLED显示装置，其中，所述背板的两端设置有磁石，所述磁石设置于所述背板端部的第二弯折部的外表面。
  17. 根据权利要求16所述的柔性OLED显示装置，其中，所述容纳槽内部设置有泡棉，用以防止所述柔性OLED面板的端部受到挤压变形。
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