WO2019080240A1 - 中框及柔性显示装置 - Google Patents

中框及柔性显示装置

Info

Publication number
WO2019080240A1
WO2019080240A1 PCT/CN2017/112881 CN2017112881W WO2019080240A1 WO 2019080240 A1 WO2019080240 A1 WO 2019080240A1 CN 2017112881 W CN2017112881 W CN 2017112881W WO 2019080240 A1 WO2019080240 A1 WO 2019080240A1
Authority
WO
WIPO (PCT)
Prior art keywords
link portion
rotating shaft
frame
link
groove
Prior art date
Application number
PCT/CN2017/112881
Other languages
English (en)
French (fr)
Inventor
陈俊
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 US15/738,132 priority Critical patent/US10356922B2/en
Publication of WO2019080240A1 publication Critical patent/WO2019080240A1/zh

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a flexible display device.
  • An embodiment of the present invention provides a middle frame, including: a first frame portion, a second frame portion, and a bending assembly;
  • the bending assembly includes a first link portion, a second link portion, a third link portion, a fourth link portion, a curved portion, and a plurality of rotating shafts;
  • the first link portion is rotatably coupled to the first frame portion via a rotating shaft, and is slidably coupled to the third link portion via a rotating shaft;
  • the third link portion is rotatably connected to the bent portion via a rotating shaft
  • the second link portion is rotatably connected to the second frame portion via a rotating shaft, and is slidably connected to the fourth link portion through a rotating shaft;
  • the fourth link portion is rotatably coupled to the bent portion via a rotating shaft
  • the plurality of rotating shafts comprise:
  • first rotating shaft includes a fixed end and a moving end, and each of the first link portion and the second link portion has a groove;
  • a fixed end of the first rotating shaft is fixed on the third link portion, and the moving end extends into the groove of the first link portion and slides along the groove of the first link portion;
  • a fixed end of the first rotating shaft is fixed on the fourth link portion, and the moving end extends into the groove of the second fixed end to slide along the groove of the second link portion;
  • the plurality of rotating shafts comprise at least two pins
  • the third link portion and the fourth link portion are respectively connected to the bent portion by the at least two pin shafts.
  • the fixed ends of the plurality of first rotating shafts are provided with at least one fixing hole
  • a fixed end of a first rotating shaft is fixed to the first frame portion through the at least one fixing hole, and a moving end is connected to the first link portion, so that the first link portion and the first frame Rotating connection
  • a fixed end of a first rotating shaft is fixed to the second frame portion through the at least one fixing hole, and a moving end is connected to the second link portion to make the second link portion and the second frame The part is rotated.
  • the first link portion further includes a liner layer
  • the liner layer is disposed on an inner wall of the groove.
  • the curved portion further includes a plurality of links and a plurality of connectors
  • the plurality of links are rotatably coupled by the plurality of connectors.
  • An embodiment of the present invention provides a middle frame, including: a first frame portion, a second frame portion, and a bending assembly;
  • the bending assembly includes a first link portion, a second link portion, a third link portion, a fourth link portion, a curved portion, and a plurality of rotating shafts;
  • the first link portion is rotatably coupled to the first frame portion via a rotating shaft, and is slidably coupled to the third link portion via a rotating shaft;
  • the third link portion is rotatably connected to the bent portion via a rotating shaft
  • the second link portion is rotatably connected to the second frame portion via a rotating shaft, and is slidably connected to the fourth link portion through a rotating shaft;
  • the fourth link portion is rotatably coupled to the bent portion via a rotating shaft.
  • the plurality of reels includes:
  • first rotating shaft includes a fixed end and a moving end, and each of the first link portion and the second link portion has a groove;
  • a fixed end of the first rotating shaft is fixed on the third link portion, and the moving end extends into the groove of the first link portion and slides along the groove of the first link portion;
  • a fixed end of a first rotating shaft is fixed on the fourth link portion, and a moving end extends into the groove of the second fixed end to slide along a groove of the second link portion.
  • the fixed ends of the plurality of first rotating shafts are provided with at least one fixing hole
  • a fixed end of a first rotating shaft is fixed to the first frame portion through the at least one fixing hole, and a moving end is connected to the first link portion, so that the first link portion and the first frame Rotating connection
  • a fixed end of a first rotating shaft is fixed to the second frame portion through the at least one fixing hole, and a moving end is connected to the second link portion to make the second link portion and the second frame The part is rotated.
  • the first link portion further includes a liner layer
  • the liner layer is disposed on an inner wall of the groove.
  • the plurality of rotating shafts includes at least two pins
  • the third link portion and the fourth link portion are respectively connected to the bent portion by the at least two pin shafts.
  • the curved portion further includes a plurality of links and a plurality of connectors
  • the plurality of links are rotatably coupled by the plurality of connectors.
  • the embodiment of the invention further provides a flexible display device, comprising: a flexible support piece and a middle frame;
  • the middle frame includes: a first frame portion, a second frame portion, and a bending assembly
  • the bending assembly includes a first link portion, a second link portion, a third link portion, a fourth link portion, a curved portion, and a plurality of rotating shafts;
  • the first link portion is rotatably coupled to the first frame portion via a rotating shaft, and is slidably coupled to the third link portion via a rotating shaft;
  • the third link portion is rotatably connected to the bent portion via a rotating shaft
  • the second link portion is rotatably connected to the second frame portion via a rotating shaft, and is slidably connected to the fourth link portion through a rotating shaft;
  • the fourth link portion is rotatably coupled to the bent portion via a rotating shaft
  • the flexible support piece is provided with a first convex portion
  • the second frame portion is provided with a sliding groove matching the first convex portion
  • the first protrusion is inserted into the sliding slot.
  • the plurality of reels includes:
  • first rotating shaft includes a fixed end and a moving end, and each of the first link portion and the second link portion has a groove;
  • a fixed end of the first rotating shaft is fixed on the third link portion, and the moving end extends into the groove of the first link portion and slides along the groove of the first link portion;
  • a fixed end of a first rotating shaft is fixed on the fourth link portion, and a moving end extends into the groove of the second fixed end to slide along a groove of the second link portion.
  • the fixed ends of the plurality of first rotating shafts are provided with at least one fixing hole
  • a fixed end of a first rotating shaft is fixed to the first frame portion through the at least one fixing hole, and a moving end is connected to the first link portion, so that the first link portion and the first frame Rotating connection
  • a fixed end of a first rotating shaft is fixed to the second frame portion through the at least one fixing hole, and a moving end is connected to the second link portion to make the second link portion and the second frame The part is rotated.
  • the first link portion further includes a liner layer
  • the liner layer is disposed on an inner wall of the groove.
  • the plurality of rotating shafts includes at least two pins
  • the third link portion and the fourth link portion are respectively connected to the bent portion by the at least two pin shafts.
  • the curved portion further includes a plurality of links and a plurality of connectors
  • the plurality of links are rotatably coupled by the plurality of connectors.
  • the flexible display device further includes a housing including a first housing, a second housing, and a bend disposed between the first housing and the second housing Folded part.
  • the bend includes a bracket and an elastic skin member, the bracket and the elastic skin member being integrally injection molded.
  • the inner wall of the housing is provided with a positioning groove, and the flexible supporting piece is further provided with a second convex portion;
  • the second convex portion is inserted into the positioning groove.
  • the flexible display device further includes a flexible cover plate, the flexible cover plate is provided with a step, and the housing is further provided with a limiting slot matched with the step;
  • the step is inserted into the limiting slot.
  • the middle frame and the flexible display device of the embodiment of the present invention provide a bending assembly in which the first link portion, the second link portion, the third link portion, the fourth link portion, the curved portion, and the plurality of rotating shafts are included in the bending assembly The mutual cooperation improves the bending resistance of the flexible display device.
  • FIG. 1 is a schematic structural diagram of a flexible display device according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of a housing according to an embodiment of the present invention.
  • FIG. 3 is another schematic structural diagram of a housing according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a middle frame according to an embodiment of the present invention.
  • FIG. 5 is another schematic structural diagram of a middle frame according to an embodiment of the present invention.
  • FIG. 6 is still another schematic structural diagram of a middle frame according to an embodiment of the present invention.
  • FIG. 7 is a structural diagram of a flexible support sheet and a second frame portion according to an embodiment of the present invention.
  • FIG. 8 is another structural view of a flexible support sheet and a second frame portion according to an embodiment of the present invention.
  • references to "an embodiment” herein mean that a particular feature, structure, or characteristic described in connection with the embodiments can be included in at least one embodiment of the invention.
  • the appearances of the phrases in various places in the specification are not necessarily referring to the same embodiments, and are not exclusive or alternative embodiments that are mutually exclusive. Those skilled in the art will understand and implicitly understand that the embodiments described herein can be combined with other embodiments.
  • FIG. 1 is a schematic structural diagram of a flexible display device according to an embodiment of the present invention.
  • the flexible display device 1000 includes a middle frame 100, a flexible support sheet 200, a housing 300, and a flexible display 400.
  • the flexible display 400 may be a flexible organic light emitting display, a flexible liquid crystal display, a flexible electrophoretic display, or the like, which is not specifically limited herein.
  • the flexible display 400 includes a flexible display panel 410 and a flexible cover 420 that are pasted together by optical glue.
  • the flexible display 400 also includes a flexible touch layer. In order to improve the display effect, a polarizing film layer may be attached or coated on the flexible display 400.
  • the housing 300 includes a first housing 310 , a second housing 320 , and a bent portion 330 disposed between the first housing 310 and the second housing 320 .
  • the first housing 310 and the second housing 320 are made of a hard material such as an aluminum alloy, a hard plastic, a stainless steel or the like.
  • the first housing 310 and the second housing 320 are respectively used to place batteries, circuit boards, cameras, and other electronic or mechanical parts.
  • the bent portion 330 includes a bracket 331 and an elastic skin member 332 which is integrally injection molded. Wherein, the elastic skin member 332 has elasticity, and the housing 300 can be bent.
  • the bracket 331 is a rigid bracket, and the constituent materials thereof may be the same as or different from the first housing 310 and the second housing 320, and are not specifically limited herein. As shown in FIG. 3, when the flexible display device 1000 is bent, the bracket 331 can support the bent portion of the flexible display device 1000, thereby avoiding the wrinkles of the flexible display device 1000.
  • the bent portion 330 further includes a plurality of inverted structures disposed between the first housing 310, the second housing 320, the bracket 331 and the elastic skin member 332 to enhance the bonding force between the structures.
  • first housing 310, the second housing 320, and the bracket 331 may be roughened to prevent the elastic skin member 332 from being peeled off therefrom.
  • the housing 300 is further provided with a limiting slot.
  • the flexible cover 420 is provided with a step 421 , and the limiting slot is matched with the step 421 .
  • the step 421 is embedded in the limiting slot to prevent the flexible cover 420 from being separated from the housing 300 when the flexible display device 1000 is bent, and the middle frame 100, the flexible supporting sheet 200 and the flexible display panel 410 may be packaged in the housing.
  • the middle frame 100 includes a first frame portion 110, a second frame portion 120, and a bending assembly 130.
  • the first frame portion 110 is matched with the first housing 310
  • the second frame portion 120 is matched with the second housing 320
  • the bending assembly 130 is matched with the bent portion 330.
  • the bending assembly 130 includes a first link portion 131, a second link portion 132, a third link portion 133, a fourth link portion 134, a curved portion 135, and a plurality of rotating shafts 136.
  • the first link portion 131 is rotatably coupled to the first frame portion 110 via a rotating shaft 136, and is slidably coupled to the third link portion 133 via a rotating shaft 136.
  • the third link portion 133 is rotatably coupled to the bent portion 135 via a rotating shaft 136.
  • the second link portion 132 is rotatably coupled to the second frame portion 120 via a rotating shaft 136, and is slidably coupled to the fourth link portion 134 via a rotating shaft 136.
  • the fourth link portion 134 is rotatably coupled to the bent portion 135 by a rotating shaft 136.
  • the plurality of rotating shafts 136 include a plurality of first rotating shafts, the first rotating shaft includes a fixed end and a moving end, and each of the first link portion 131 and the second link portion 132 has a concave shape Slot 13.
  • a fixed end of a first rotating shaft is fixed to the third link portion 133, and a moving end extends into the groove 13 of the first link portion 131 along a groove 13 of the first link portion 131. slide.
  • the third link portion 133 is stretched relative to the first link portion 131, and the distance difference at the time of bending can be compensated, thereby reducing the stress of the flexible display device 1000.
  • a fixed end of a first rotating shaft is fixed to the fourth link portion 134, and the moving end extends into the recess 13 of the second fixed end to slide along the groove 13 of the second link portion 132.
  • the fourth link portion 134 is stretched relative to the second link portion 132, and the distance difference at the time of bending can be compensated, thereby reducing the stress of the flexible display device 1000.
  • At least one fixing hole is disposed on the fixed end of the plurality of first rotating shafts; a fixed end of a first rotating shaft is fixed on the first frame portion through the at least one fixing hole, and the moving end is connected to the first link portion
  • the portion 131 rotatably connects the first link portion 131 and the first frame portion 110.
  • a fixed end of a first rotating shaft is fixed to the second frame portion through the at least one fixing hole, and a moving end is connected to the second link portion 132, so that the second link portion 132 and the first portion
  • the two frame portions 120 are rotatably coupled.
  • the first link portion 131 further includes a liner layer 14.
  • the backing layer 14 is disposed on the inner wall of the groove 13 to prevent the first rotating shaft from sliding freely within the groove 13.
  • the plurality of rotating shafts include at least two pins; the third link portion 133 and the fourth link portion 134 pass through the at least two pin shafts and the bent portion, respectively 135 connections.
  • the third link portion 133, the fourth link portion 134, and the curved portion 135 can slide relative to each other.
  • the curved portion 135 includes a plurality of links, such as a link 1351, a link 1352, a link 1353, and the like.
  • a plurality of connectors are also included, such as a connector 1354 connecting the link 1351 and the link 1352, and a connector 1355 connecting the link 1352 and the link 1353.
  • the links can be rotated relative to each other under the connection of the connectors, so that when the flexible display device 1000 is bent, the links are bent under the cooperation of the connectors, as shown in FIG.
  • the flexible support piece 200 is provided with a first convex portion 210
  • the second frame portion 120 is provided with a sliding slot 121 matching the first convex portion, and the first convex portion 210 is inserted into the sliding slot.
  • the flexible support sheet 200 is controlled to slide.
  • a limiting mechanism 122 is further disposed at the chute 121 . When the flexible display device 1000 is bent, the limiting mechanism 122 can avoid excessive bending of the flexible supporting piece 200 by limiting the sliding distance thereof.
  • the flexible support piece 200 is further provided with a second convex portion 220 .
  • the inner wall of the housing 300 is further provided with a positioning groove 340 , and the second convex portion 220 is inserted into the positioning groove 340 .
  • the middle frame and the flexible display device of the embodiment of the present invention provide a bending assembly in which the first link portion, the second link portion, the third link portion, the fourth link portion, the curved portion, and the plurality of rotating shafts are included in the bending assembly The mutual cooperation improves the bending resistance of the flexible display device.

Abstract

一种中框（100）和柔性显示装置（1000），中框（100）包括第一框架部（110）、第二框架部（120）和弯曲组件（130）；弯曲组件（130）包括第一链节部（131）、第二链节部（132）、第三链节部（133）、第四链节部（134）、弯曲部（135）和多个转轴（136）；在转轴（136）的配合下，第一链节部（131）与第一框架部（110）、第三链节部（133）连接，第三链节部（133）与弯曲部（135）连接，第二链节部（132）与第二框架部（120）、第四链节部（134）连接，第四链节部（134）与弯曲部（135）连接。

Description

中框及柔性显示装置 技术领域
本发明涉及显示技术领域，特别是涉及一种柔性显示装置。
 背景技术
随着移动终端的发展，大屏幕移动终端越来越受人们的欢迎。
然而随着移动终端屏幕的增大，移动终端的尺寸也越来越大，便携性也相应降低。为了解决上述问题，柔性显示器应运而生，通过弯折减少移动终端的尺寸。然而，现有的柔性显示器在弯折时容易发生褶皱甚至损坏。
 技术问题
本发明的目的在于提供一种中框及柔性显示装置，提高了柔性显示装置耐弯折性能。
 技术解决方案
本发明实施例提供一种中框，其包括：第一框架部、第二框架部和弯曲组件；
所述弯曲组件包括第一链节部、第二链节部、第三链节部、第四链节部、弯曲部和多个转轴；
所述第一链节部通过一转轴与所述第一框架部转动连接，通过一转轴与所述第三链节部滑动连接；
所述第三链节部通过一转轴与所述弯曲部转动连接；
所述第二链节部通过一转轴与所述第二框架部转动连接，通过一转轴与所述第四链节部滑动连接；
所述第四链节部通过一转轴与所述弯曲部转动连接；
其中所述多个转轴包括：
多个第一转轴，所述第一转轴包括固定端和移动端，所述第一链节部和所述第二链节部上各有一凹槽；
一第一转轴的固定端固定在所述第三链节部上，移动端延伸至所述第一链节部的凹槽内，沿所述第一链节部的凹槽滑动；
一第一转轴的固定端固定在所述第四链节部上，移动端延伸至所述第二固定端的凹槽内，沿所述第二链节部的凹槽滑动；
其中所述多个转轴包括至少两个销轴；
所述第三链节部、所述第四链节部，分别通过所述至少两个销轴与所述弯曲部连接。
在一些实施例中，所述多个第一转轴的固定端上设有至少一个固定孔；
一第一转轴的固定端通过所述至少一个固定孔固定在所述第一框架部上，移动端连接至所述第一链节部，使所述第一链节部与所述第一框架部转动连接；
一第一转轴的固定端通过所述至少一个固定孔固定在所述第二框架部上，移动端连接至所述第二链节部，使所述第二链节部与所述第二框架部转动连接。
在一些实施例中，所述第一链节部还包括衬垫层；
所述衬垫层设置在所述凹槽内壁。
在一些实施例中，所述弯曲部还包括多个链节和多个连接件；
所述多个链节通过所述多个连接件转动连接。
本发明实施例提供一种中框，包括：第一框架部、第二框架部和弯曲组件；
所述弯曲组件包括第一链节部、第二链节部、第三链节部、第四链节部、弯曲部和多个转轴；
所述第一链节部通过一转轴与所述第一框架部转动连接，通过一转轴与所述第三链节部滑动连接；
所述第三链节部通过一转轴与所述弯曲部转动连接；
所述第二链节部通过一转轴与所述第二框架部转动连接，通过一转轴与所述第四链节部滑动连接；
所述第四链节部通过一转轴与所述弯曲部转动连接。
在一些实施例中，所述多个转轴包括：
多个第一转轴，所述第一转轴包括固定端和移动端，所述第一链节部和所述第二链节部上各有一凹槽；
一第一转轴的固定端固定在所述第三链节部上，移动端延伸至所述第一链节部的凹槽内，沿所述第一链节部的凹槽滑动；
一第一转轴的固定端固定在所述第四链节部上，移动端延伸至所述第二固定端的凹槽内，沿所述第二链节部的凹槽滑动。
在一些实施例中，所述多个第一转轴的固定端上设有至少一个固定孔；
一第一转轴的固定端通过所述至少一个固定孔固定在所述第一框架部上，移动端连接至所述第一链节部，使所述第一链节部与所述第一框架部转动连接；
一第一转轴的固定端通过所述至少一个固定孔固定在所述第二框架部上，移动端连接至所述第二链节部，使所述第二链节部与所述第二框架部转动连接。
在一些实施例中，所述第一链节部还包括衬垫层；
所述衬垫层设置在所述凹槽内壁。
在一些实施例中，所述多个转轴包括至少两个销轴；
所述第三链节部、所述第四链节部，分别通过所述至少两个销轴与所述弯曲部连接。
在一些实施例中，所述弯曲部还包括多个链节和多个连接件；
所述多个链节通过所述多个连接件转动连接。
本发明实施例还提供了一种柔性显示装置，包括：柔性支撑片和中框；
所述中框包括：第一框架部、第二框架部和弯曲组件；
所述弯曲组件包括第一链节部、第二链节部、第三链节部、第四链节部、弯曲部和多个转轴；
所述第一链节部通过一转轴与所述第一框架部转动连接，通过一转轴与所述第三链节部滑动连接；
所述第三链节部通过一转轴与所述弯曲部转动连接；
所述第二链节部通过一转轴与所述第二框架部转动连接，通过一转轴与所述第四链节部滑动连接；
所述第四链节部通过一转轴与所述弯曲部转动连接；
所述柔性支撑片设有第一凸部；
所述第二框架部设有与所述第一凸部匹配的滑槽；
所述第一凸部插接在所述滑槽内。
在一些实施例中，所述多个转轴包括：
多个第一转轴，所述第一转轴包括固定端和移动端，所述第一链节部和所述第二链节部上各有一凹槽；
一第一转轴的固定端固定在所述第三链节部上，移动端延伸至所述第一链节部的凹槽内，沿所述第一链节部的凹槽滑动；
一第一转轴的固定端固定在所述第四链节部上，移动端延伸至所述第二固定端的凹槽内，沿所述第二链节部的凹槽滑动。
在一些实施例中，所述多个第一转轴的固定端上设有至少一个固定孔；
一第一转轴的固定端通过所述至少一个固定孔固定在所述第一框架部上，移动端连接至所述第一链节部，使所述第一链节部与所述第一框架部转动连接；
一第一转轴的固定端通过所述至少一个固定孔固定在所述第二框架部上，移动端连接至所述第二链节部，使所述第二链节部与所述第二框架部转动连接。
在一些实施例中，所述第一链节部还包括衬垫层；
所述衬垫层设置在所述凹槽内壁。
在一些实施例中，所述多个转轴包括至少两个销轴；
所述第三链节部、所述第四链节部，分别通过所述至少两个销轴与所述弯曲部连接。
在一些实施例中，所述弯曲部还包括多个链节和多个连接件；
所述多个链节通过所述多个连接件转动连接。
在一些实施例中，所述柔性显示装置还包括壳体，所述壳体包括第一壳体、第二壳体和设置在所述第一壳体、所述第二壳体之间的弯折部。
在一些实施例中，所述弯折部包括支架和弹性蒙皮构件，所述支架和所述弹性蒙皮构件一体化注塑成型。
在一些实施例中，所述壳体内壁设有定位槽，所述柔性支撑片还设有第二凸部；
所述第二凸部插接在所述定位槽内。
在一些实施例中，所述柔性显示装置还包括柔性盖板，所述柔性盖板设有台阶，所述壳体上还设有与所述台阶匹配的限位槽；
所述台阶插接在所述限位槽中。
 有益效果
本发明实施例的中框及柔性显示装置通过设置弯曲组件，在弯曲组件中第一链节部、第二链节部、第三链节部、第四链节部、弯曲部和多个转轴的相互配合下，提高了柔性显示装置耐弯折性能。
为让本发明的上述内容能更明显易懂，下文特举优选实施例，并配合所附图式，作详细说明如下：
 附图说明
图1为本发明实施例提供的柔性显示装置的结构示意图。
图2为本发明实施例提供的壳体的结构示意图。
图3为本发明实施例提供的壳体的另一结构示意图。
图4为本发明实施例提供的中框的结构示意图。
图5为本发明实施例提供的中框的另一结构示意图。
图6为本发明实施例提供的中框的又一结构示意图。
图7为本发明实施例提供的柔性支撑片和第二框架部的结构配合图。
图8为本发明实施例提供的柔性支撑片和第二框架部的另一结构配合图。
 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式，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，结构相似的单元是以相同标号表示。
在本文中提及“实施例”意味着，结合实施例描述的特定特征、结构或特性可以包含在本发明的至少一个实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例，也不是与其它实施例互斥的独立的或备选的实施例。本领域技术人员显式地和隐式地理解的是，本文所描述的实施例可以与其它实施例相结合。
请参照图1，图1为本发明实施例提供的柔性显示装置的结构示意图。该柔性显示装置1000包括中框100、柔性支撑片200、壳体300和柔性显示器400。
柔性显示器400可以是柔性有机发光显示器、柔性液晶显示器、柔性电泳显示器等，在此不做具体限定。柔性显示器400包括柔性显示面板410和柔性盖板420，该柔性显示面板410和柔性盖板420通过光学胶粘贴在一起。柔性显示器400还包括柔性触控层。为了提高显示效果，还可以在柔性显示器400上贴附或涂布偏光膜层。
如图2所示，壳体300包括第一壳体310、第二壳体320和设置在第一壳体310、第二壳体320之间的弯折部330。第一壳体310和第二壳体320采用硬质材料制成，比如铝合金、硬质塑料、不锈钢等材料。第一壳体310、第二壳体320分别用于放置电池、电路板、摄像头以及其他电子或机械零件。
弯折部330包括支架331和弹性蒙皮构件332，该支架331和弹性蒙皮构件332一体化注塑成型。其中，弹性蒙皮构件332具有弹性，可以实现壳体300弯折。
支架331为硬质支架，其组成材料可以与第一壳体310、第二壳体320相同，也可以不同，在此不作具体限定。如图3所示，当柔性显示装置1000弯折时，支架331可以支撑柔性显示装置1000的弯折部分，从而避免柔性显示装置1000褶皱。
弯折部330还包括多个倒扣结构，设置在第一壳体310、第二壳体320、支架331和弹性蒙皮构件332之间，以提高这些结构之间的结合力。
进一步的，可以在对第一壳体310、第二壳体320和支架331进行粗糙化处理，以防止弹性蒙皮构件332与之发生剥离。
如图1所示，壳体300上还设有限位槽，柔性盖板420上设有台阶421，该限位槽与台阶421匹配。台阶421嵌入该限位槽中，可以防止柔性显示装置1000弯折时，柔性盖板420与壳体300分离，同时也可以将中框100、柔性支撑片200和柔性显示面板410封装在壳体300内。
如图1和图4所示，中框100包括第一框架部110、第二框架部120和弯曲组件130。其中第一框架部110与第一壳体310匹配，第二框架部120与第二壳体320匹配，弯曲组件130与弯折部330匹配。
如图4所示，弯曲组件130包括第一链节部131、第二链节部132、第三链节部133、第四链节部134、弯曲部135和多个转轴136。
第一链节部131通过一转轴136与所述第一框架部110转动连接，通过一转轴136与所述第三链节部133滑动连接。
第三链节部133通过一转轴136与所述弯曲部135转动连接。
第二链节部132通过一转轴136与所述第二框架部120转动连接，通过一转轴136与所述第四链节部134滑动连接。
第四链节部134通过一转轴136与所述弯曲部135转动连接。
在一些实施例中，多个转轴136包括多个第一转轴，所述第一转轴包括固定端和移动端，所述第一链节部131和所述第二链节部132上各有一凹槽13。
一第一转轴的固定端固定在所述第三链节部133上，移动端延伸至所述第一链节部131的凹槽13内，沿所述第一链节部131的凹槽13滑动。当柔性显示装置1000弯折时，第三链节部133相对第一链节部131拉伸，可以补偿弯折时的距离差，从而减少柔性显示装置1000的应力。
一第一转轴的固定端固定在第四链节部134上，移动端延伸至第二固定端的凹槽13内，沿所述第二链节部132的凹槽13滑动。当柔性显示装置1000弯折时，第四链节部134相对第二链节部132拉伸，可以补偿弯折时的距离差，从而减少柔性显示装置1000的应力。
多个第一转轴的固定端上设有至少一个固定孔；一第一转轴的固定端通过所述至少一个固定孔固定在所述第一框架部上，移动端连接至所述第一链节部131，使第一链节部131与所述第一框架部110转动连接。
一第一转轴的固定端通过所述至少一个固定孔固定在所述第二框架部上，移动端连接至所述第二链节部132，使所述第二链节部132与所述第二框架部120转动连接。
在一些实施例中，所述第一链节部131还包括衬垫层14。所述衬垫层14设置在所述凹槽13内壁，可以防止第一转轴在凹槽13内随意滑动。
在一些实施例中，所述多个转轴包括至少两个销轴；所述第三链节部133、所述第四链节部134，分别通过所述至少两个销轴与所述弯曲部135连接。这样，在柔性显示装置1000弯折时，第三链节部133、第四链节部134和弯曲部135之间可以相对滑动。
在一些实施例中，如图5所示，所述弯曲部135包括多个链节，如链节1351、链节1352、链节1353等。还包括多个连接件，如连接链节1351和链节1352的连接件1354，连接链节1352、链节1353的连接件1355。链节在连接件的连接下，可以相互转动，从而在柔性显示装置1000弯折时，链节在连接件的配合下弯曲，如图6所示。
如图7所示，柔性支撑片200上设有第一凸部210，第二框架部120上设有与第一凸部匹配的滑槽121，第一凸部210插接在所述滑槽121内，以在柔性显示装置1000弯折时，控制柔性支撑片200滑动。如图8所示，在滑槽121处还设有限位机构122。当柔性显示装置1000弯折时，该限位机构122可以通过限制柔性支撑片200的滑动距离来避免其过度弯折。
如图1所示，柔性支撑片200上还设有第二凸部220，壳体300内壁还设有定位槽340，所述第二凸部220插接在所述定位槽340内。
本发明实施例的中框及柔性显示装置通过设置弯曲组件，在弯曲组件中第一链节部、第二链节部、第三链节部、第四链节部、弯曲部和多个转轴的相互配合下，提高了柔性显示装置耐弯折性能。
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 (20)

  1. 一种中框，其包括：第一框架部、第二框架部和弯曲组件；
    所述弯曲组件包括第一链节部、第二链节部、第三链节部、第四链节部、弯曲部和多个转轴；
    所述第一链节部通过一转轴与所述第一框架部转动连接，通过一转轴与所述第三链节部滑动连接；
    所述第三链节部通过一转轴与所述弯曲部转动连接；
    所述第二链节部通过一转轴与所述第二框架部转动连接，通过一转轴与所述第四链节部滑动连接；
    所述第四链节部通过一转轴与所述弯曲部转动连接；
    其中所述多个转轴包括：
    多个第一转轴，所述第一转轴包括固定端和移动端，所述第一链节部和所述第二链节部上各有一凹槽；
    一第一转轴的固定端固定在所述第三链节部上，移动端延伸至所述第一链节部的凹槽内，沿所述第一链节部的凹槽滑动；
    一第一转轴的固定端固定在所述第四链节部上，移动端延伸至所述第二固定端的凹槽内，沿所述第二链节部的凹槽滑动；
    其中所述多个转轴包括至少两个销轴；
    所述第三链节部、所述第四链节部，分别通过所述至少两个销轴与所述弯曲部连接。
  2. 根据权利要求1所述的中框，其中所述多个第一转轴的固定端上设有至少一个固定孔；
    一第一转轴的固定端通过所述至少一个固定孔固定在所述第一框架部上，移动端连接至所述第一链节部，使所述第一链节部与所述第一框架部转动连接；
    一第一转轴的固定端通过所述至少一个固定孔固定在所述第二框架部上，移动端连接至所述第二链节部，使所述第二链节部与所述第二框架部转动连接。
  3. 根据权利要求1所述的中框，其中所述第一链节部还包括衬垫层；
    所述衬垫层设置在所述凹槽内壁。
  4. 根据权利要求1所述的中框，其中所述弯曲部还包括多个链节和多个连接件；
    所述多个链节通过所述多个连接件转动连接。
  5. 一种中框，其包括：第一框架部、第二框架部和弯曲组件；
    所述弯曲组件包括第一链节部、第二链节部、第三链节部、第四链节部、弯曲部和多个转轴；
    所述第一链节部通过一转轴与所述第一框架部转动连接，通过一转轴与所述第三链节部滑动连接；
    所述第三链节部通过一转轴与所述弯曲部转动连接；
    所述第二链节部通过一转轴与所述第二框架部转动连接，通过一转轴与所述第四链节部滑动连接；
    所述第四链节部通过一转轴与所述弯曲部转动连接。
  6. 根据权利要求5所述的中框，其中所述多个转轴包括：
    多个第一转轴，所述第一转轴包括固定端和移动端，所述第一链节部和所述第二链节部上各有一凹槽；
    一第一转轴的固定端固定在所述第三链节部上，移动端延伸至所述第一链节部的凹槽内，沿所述第一链节部的凹槽滑动；
    一第一转轴的固定端固定在所述第四链节部上，移动端延伸至所述第二固定端的凹槽内，沿所述第二链节部的凹槽滑动。
  7. 根据权利要求6所述的中框，其中所述多个第一转轴的固定端上设有至少一个固定孔；
    一第一转轴的固定端通过所述至少一个固定孔固定在所述第一框架部上，移动端连接至所述第一链节部，使所述第一链节部与所述第一框架部转动连接；
    一第一转轴的固定端通过所述至少一个固定孔固定在所述第二框架部上，移动端连接至所述第二链节部，使所述第二链节部与所述第二框架部转动连接。
  8. 根据权利要求6所述的中框，其中所述第一链节部还包括衬垫层；
    所述衬垫层设置在所述凹槽内壁。
  9. 根据权利要求5所述的中框，其中所述多个转轴包括至少两个销轴；
    所述第三链节部、所述第四链节部，分别通过所述至少两个销轴与所述弯曲部连接。
  10. 根据权利要求5所述的中框，其中所述弯曲部还包括多个链节和多个连接件；
    所述多个链节通过所述多个连接件转动连接。
  11. 一种柔性显示装置，其包括：柔性支撑片和中框；
    所述中框包括：第一框架部、第二框架部和弯曲组件；
    所述弯曲组件包括第一链节部、第二链节部、第三链节部、第四链节部、弯曲部和多个转轴；
    所述第一链节部通过一转轴与所述第一框架部转动连接，通过一转轴与所述第三链节部滑动连接；
    所述第三链节部通过一转轴与所述弯曲部转动连接；
    所述第二链节部通过一转轴与所述第二框架部转动连接，通过一转轴与所述第四链节部滑动连接；
    所述第四链节部通过一转轴与所述弯曲部转动连接；
    所述柔性支撑片设有第一凸部；
    所述第二框架部设有与所述第一凸部匹配的滑槽；
    所述第一凸部插接在所述滑槽内。
  12. 根据权利要求11所述的柔性显示装置，其中所述多个转轴包括：
    多个第一转轴，所述第一转轴包括固定端和移动端，所述第一链节部和所述第二链节部上各有一凹槽；
    一第一转轴的固定端固定在所述第三链节部上，移动端延伸至所述第一链节部的凹槽内，沿所述第一链节部的凹槽滑动；
    一第一转轴的固定端固定在所述第四链节部上，移动端延伸至所述第二固定端的凹槽内，沿所述第二链节部的凹槽滑动。
  13. 根据权利要求12所述的柔性显示装置，其中所述多个第一转轴的固定端上设有至少一个固定孔；
    一第一转轴的固定端通过所述至少一个固定孔固定在所述第一框架部上，移动端连接至所述第一链节部，使所述第一链节部与所述第一框架部转动连接；
    一第一转轴的固定端通过所述至少一个固定孔固定在所述第二框架部上，移动端连接至所述第二链节部，使所述第二链节部与所述第二框架部转动连接。
  14. 根据权利要求12所述的柔性显示装置，其中所述第一链节部还包括衬垫层；
    所述衬垫层设置在所述凹槽内壁。
  15. 根据权利要求11所述的柔性显示装置，其中所述多个转轴包括至少两个销轴；
    所述第三链节部、所述第四链节部，分别通过所述至少两个销轴与所述弯曲部连接。
  16. 根据权利要求11所述的柔性显示装置，其中所述弯曲部还包括多个链节和多个连接件；
    所述多个链节通过所述多个连接件转动连接。
  17. 根据权利要求11所述的柔性显示装置，其中所述柔性显示装置还包括壳体，所述壳体包括第一壳体、第二壳体和设置在所述第一壳体、所述第二壳体之间的弯折部。
  18. 根据权利要求17所述的柔性显示装置，其中所述弯折部包括支架和弹性蒙皮构件，所述支架和所述弹性蒙皮构件一体化注塑成型。
  19. 根据权利要求17所述的柔性显示装置，其中所述壳体内壁设有定位槽，所述柔性支撑片还设有第二凸部；
    所述第二凸部插接在所述定位槽内。
  20. 根据权利要求17所述的柔性显示装置，其中所述柔性显示装置还包括柔性盖板，所述柔性盖板设有台阶，所述壳体上还设有与所述台阶匹配的限位槽；
    所述台阶插接在所述限位槽中。
PCT/CN2017/112881 2017-10-26 2017-11-24 中框及柔性显示装置 WO2019080240A1 (zh)

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