WO2021082621A1 - 折叠显示装置 - Google Patents

折叠显示装置 Download PDF

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Publication number
WO2021082621A1
WO2021082621A1 PCT/CN2020/108721 CN2020108721W WO2021082621A1 WO 2021082621 A1 WO2021082621 A1 WO 2021082621A1 CN 2020108721 W CN2020108721 W CN 2020108721W WO 2021082621 A1 WO2021082621 A1 WO 2021082621A1
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WO
WIPO (PCT)
Prior art keywords
display device
rotating
support
flexible screen
rotating member
Prior art date
Application number
PCT/CN2020/108721
Other languages
English (en)
French (fr)
Inventor
后红琪
单奇
廖富
朱召吉
赵永丰
孙康龙
Original Assignee
云谷（固安）科技有限公司
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Filing date
Publication date
Application filed by 云谷（固安）科技有限公司 filed Critical 云谷（固安）科技有限公司
Publication of WO2021082621A1 publication Critical patent/WO2021082621A1/zh
Priority to US17/514,293 priority Critical patent/US11825617B2/en

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • 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
    • 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
    • G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
    • G06F1/1681—Details related solely to hinges
    • 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
    • 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

  • This application relates to the technical field of display devices, and in particular to a folding display device.
  • foldable display devices Compared with traditional display devices, foldable display devices have the advantages of being able to be folded in half and being thinner and lighter, which has become the development trend of display devices.
  • Folding display devices usually have three states: a folded state, an anti-folded state, and an unfolded state.
  • the folded display device usually includes a flexible screen and a support for supporting the flexible screen. The shape and position of the support are changed to realize the folding display device. Switch between positive folding state, anti-folding state and unfolding state. Wherein, when the folding display device is in the half-folded state, the support pieces are located on both sides of the folded flexible screen, and when the folding display device is in the anti-folded state, the support piece is located between the half-folded flexible screens.
  • the bent part of the flexible screen is in the shape of a drop
  • the thickness of the folded display device is thick after being folded in half
  • the bent part of the flexible screen is squeezed by the support, which will cause the flexible screen to fail. normal display.
  • an embodiment of the present application provides a folding display device to solve the problem that the folding display device is thick and cannot be displayed normally when the folding display device is folded in half.
  • the first aspect of the embodiments of the present application provides a folding display device, which includes a flexible screen, a fixing base, a supporting member, and two sets of rotating members;
  • the supporting member includes an intermediate support and two support components arranged on both sides of the intermediate support, and the two support components and the intermediate support jointly support the flexible screen;
  • Two sets of rotating members are located on both sides of the middle support
  • Each group of rotating components includes a crankshaft, a rotating part, a connecting rod and a connecting rod.
  • the rotating part is slidably connected to the support assembly on the same side of the intermediate support.
  • the crankshaft drives the rotating part to rotate, and the rotating part is slidably connected to the crankshaft.
  • the rotating part is along the thickness of the flexible screen.
  • the fixing seat is located at one end of the crankshaft, the two ends of the connecting rod are hinged with the fixing seat and the rotating part respectively, the two ends of the connecting rod are respectively hinged with the fixing seat and the same support assembly, the support assembly is along the folding direction of the flexible screen
  • the relative rotating member slides to the side away from the intermediate support member.
  • the folding display device provided by the embodiments of the present application has the following advantages:
  • the foldable display device includes a flexible screen, a supporting member, two sets of rotating members, and a fixing seat.
  • the supporting member includes an intermediate support and two support assemblies arranged on both sides of the intermediate support. Two supporting components and an intermediate support together support the flexible screen.
  • Two sets of rotating members are located on both sides of the intermediate support.
  • Each set of rotating members includes a crankshaft, a rotating part, a connecting rod and a connecting rod. The rotating parts are slidably connected to the same side of the intermediate support.
  • the supporting assembly drives the rotating part to rotate
  • the rotating part is slidably connected with the crankshaft
  • the rotating part slides along the thickness of the flexible screen toward the crankshaft
  • the fixing seat is located at one end of the crankshaft
  • the two ends of the connecting rod are respectively hinged with the fixing seat and the rotating part.
  • the two ends of the rod are respectively hinged with the fixed seat and the same supporting component, and the supporting component slides to the side away from the middle supporting component relative to the rotating part along the folding direction of the flexible screen.
  • the rotating part rotates and slides toward the crankshaft under the joint action of the crankshaft and the connecting rod.
  • the sliding direction is the thickness direction of the flexible screen.
  • the support assembly rotates under the joint action of the rotating part and the connecting rod and is opposite to the rotating part facing away from the intermediate support.
  • Side sliding the sliding direction is the folding direction of the flexible screen
  • the bending part of the flexible screen is U-shaped under the action of the supporting component
  • the thickness of the folded display device after being folded in half is thin
  • the flexible screen is fixed with the two supporting components
  • the distance between the two supporting components The distance of the middle support becomes larger, and the bending part of the flexible screen is not squeezed by the middle support. In this way, it is ensured that the folding display device has a thin thickness and a normal display in the state of being folded in front.
  • the folding display device provided by the embodiments of the present application can solve other The technical issues, other technical features included in the technical solutions, and the beneficial effects brought about by these technical features will be further described in detail in the specific implementation.
  • FIG. 1 is a schematic structural diagram of a folding display device provided in an embodiment of the application in a positively folded state
  • FIG. 2 is a schematic structural diagram of the folding display device provided by an embodiment of the application in an unfolded state
  • FIG. 3 is an exploded view of the folding display device provided by an embodiment of the application.
  • FIG. 4 is a schematic structural diagram of a folding display device provided by an embodiment of the application.
  • FIG. 5 is another exploded view of the folding display device provided by the embodiment of the application.
  • Fig. 6 is a schematic structural diagram of a fixing seat provided by an embodiment of the application.
  • the embodiment of the present application provides a folding display device.
  • the folding display device may be, for example, a foldable mobile phone, and the folding display device can be folded in half along a fold line.
  • the folding display device in the embodiment of the present application includes a flexible screen 10 and a supporting member 20.
  • the flexible screen 10 may be, for example, a flexible organic light-emitting diode (OLED), and the supporting member 20 includes an intermediate support.
  • Member 21 and two supporting components 22 arranged on both sides of the middle supporting member 21.
  • the middle supporting member 21 is, for example, a long strip.
  • the two supporting components 22 are, for example, located on both sides of the width direction of the middle supporting member 21.
  • the two supporting components 22 and The intermediate support 21 jointly supports the flexible screen 10.
  • the flexible screen 10 and the two supporting components 22 are fixedly arranged, and the flexible screen 10 and the intermediate support 21 are not fixed.
  • the flexible screen 10 and the two supporting components 22 are fixedly arranged, for example, through OCA (Optically Clear Adhesive) optical glue or foam glue.
  • OCA Optically Clear Adhesive
  • the folding display device can be folded in half using the longitudinal direction of the intermediate support 21 (direction C in FIG. 3) as the fold line.
  • the folding display device in the embodiment of the present application has at least two states: the folded state shown in FIG. 1 and the unfolded state shown in FIG. 2.
  • the folded state the flexible screen 10 is supported on the middle support 21 and the two supporting components 22.
  • the two supporting components 22 are located on both sides of the folded flexible screen 10.
  • the folding display device of the embodiment of the present application further includes two sets of rotating members 30 and a fixing seat 40, and the two sets of rotating members 30 are located on both sides of the intermediate support 21.
  • the two sets of rotating members 30 are located on both sides of the aforementioned elongated intermediate support 21 in the width direction, and the rotating members 30 and the support assembly 22 on the same side of the intermediate support 21 are arranged correspondingly.
  • each group of rotating members 30 includes a crankshaft 31, a rotating member 32, a connecting rod 33, and a connecting rod 34.
  • the rotating member 32 is slidably connected to the support components located on the same side of the intermediate support 21 22.
  • the crankshaft 31 drives the rotating member 32 to rotate, and the rotating member 32 is slidably connected to the crankshaft 31.
  • the rotating member 32 slides toward the crankshaft 31 along the thickness direction of the flexible screen 10 (direction A in FIG. 3 and FIG.
  • the intermediate support 21 can also support the intermediate part of the flexible screen 10.
  • the flexible screen 10 can be prevented from being closed and opened. The change of the length and the use of the connecting rod 33 and the connecting rod 34 can restrict the movement trajectory of the rotating member 32.
  • the rotating member 32 rotates and slides toward the crankshaft 31 under the joint action of the crankshaft 31 and the connecting rod 33.
  • the sliding direction is the thickness direction of the flexible screen 10, and the supporting assembly 22 is positioned between the rotating member 32 and the connecting rod. Under the joint action of 34, the rotating member 32 rotates and slides to the side away from the intermediate support 21.
  • the sliding direction is the folding direction of the flexible screen 10.
  • the bending part of the flexible screen 10 is U-shaped under the action of the support assembly 22, and is folded.
  • the thickness of the display device after being folded in half is thin; the flexible screen 10 is fixed to the two supporting components 22, the distance between the two supporting components 22 and the middle supporting member 21 becomes larger, and the bending part of the flexible screen 10 is not squeezed by the middle supporting member 21 In this way, it is ensured that the folding display device has a thin thickness and normal display in the state of being folded in half.
  • the folding display device further includes a synchronization mechanism 70 connected to the crankshafts 31 of the two sets of rotating members 30.
  • the crankshafts 31 of the two sets of rotating members 30 rotate synchronously under the action of the synchronization mechanism 70, and the crankshafts 31
  • the synchronous rotation makes the two parts folded in half of the folding display device move synchronously.
  • the synchronization mechanism 70 includes, for example, a worm gear mechanism or a gear mechanism. When the number of shafts (including the worm gear) is odd, the synchronization mechanism 70 is a worm gear mechanism; when the number of shafts (including the worm gear) is an even number, the synchronization mechanism 70 is a gear mechanism, and worm gears are not required.
  • the use of the synchronization mechanism 70 can make the rotating members located on both sides of the intermediate support change to the intermediate distance at the same time, reducing the overall thickness after folding.
  • the foldable display device further includes an intermediate turret 50.
  • the crankshafts 31 of the two groups of rotating members 30 are rotatably arranged on the intermediate turret 50, and the intermediate turret 50 can be lifted. To support the crankshaft 31.
  • the intermediate support 21 is elongated, and each group of rotating members 30 includes two crankshafts 31, two connecting rods 33, and two connecting rods 34.
  • the number of the mechanism is two, and the number of the intermediate turret 50 is two.
  • the two connecting rods 33 in each group of rotating members 30 and the two connecting rods 34 in each group of rotating members 30 are symmetrically arranged.
  • two sets of rotating members 30 are provided on both sides of the intermediate support 21 in the width direction. In each set of rotating members 30, two crankshafts 31 are arranged along the length of the intermediate support 21, two connecting rods 33, Two connecting rods 34 and a rotating member 32.
  • the two crankshafts 31 in each group of rotating members 30 are marked as the first crankshaft 311 and the second crankshaft 312, and the two connecting rods 33 in each group of rotating members 30 are marked Are the first connecting rod 331 and the second connecting rod 332, the two connecting rods 34 in each group of rotating members 30 are marked as the first connecting rod 341 and the second connecting rod 342, and the two fixing seats 40 are marked as the first fixing seat 401 and the second fixing base 402, the two synchronization mechanisms 70 are marked as the first synchronization mechanism 701 and the second synchronization mechanism 702, and the two intermediate turrets 50 are marked as the first intermediate turret 501 and the second intermediate turret 502.
  • the fixing seat 40 includes a fixing portion 403 and an S-shaped portion 404 connected to one side of the fixing portion.
  • the S-shaped portion 404 includes a first opening 4041 and a second opening 4042.
  • the connecting rods 33 in the two sets of rotating members 30 are connected to the same fixing portion 403, that is, the first connecting rods 331 in the two sets of rotating members 30 are all connected to the fixing portion 403 of the first fixing seat 401.
  • the second connecting rods 342 in the two sets of rotating members 30 are all connected to the fixing portion of the second fixing seat 402, and the connecting rods 34 in the two sets of rotating members 30 are respectively disposed in the first opening 4041 and the second opening 4042, that is,
  • the first connecting rods 341 of the two groups of rotating members 30 are respectively arranged in the first opening 4041 and the second opening 4042 of the first fixing seat 401
  • the second connecting rods 342 of the two groups of rotating members 30 are respectively arranged in the second opening 4041 and the second opening 4042.
  • the fixing seat 40 is integrally formed by the fixing part 403 and the S-shaped part 404.
  • the rotating member 32 is provided with a long hole 321 at a position corresponding to the crankshaft 31.
  • the depth direction of the long hole 321 is the length direction of the intermediate support 22, and the long hole 321 is in the flexible screen.
  • the aperture size in the thickness direction is larger than the aperture size of the elongated hole 321 in the double-folding direction.
  • the rotating member 32 is elongated, the length direction of the rotating member 32 is the same as the length direction of the intermediate support 21, and the side of the rotating member 32 facing the crankshaft 31 is provided with two opposite mounting protrusions 322, two mounting Each protrusion 322 is provided with a long strip hole 321, two long strip holes 321 are arranged oppositely, the depth direction of the long strip hole 321 is the length direction of the intermediate support 22, and the long strip hole 321 is in the thickness direction of the flexible screen 10.
  • the aperture size is larger than the aperture size of the elongated hole 321 in the half-folding direction.
  • the folding display device further includes a base 60.
  • the fixing base 40, the intermediate rotating frame 50 and the synchronization mechanism 70 are arranged above the base 60, that is, the first fixing base 401, the second fixing seat 402, the first synchronization mechanism 701, the second synchronization mechanism 702, the first intermediate turret 501, and the second intermediate turret 502 are all arranged above the base 60, and the intermediate support 21 and the base 60 Are connected and located above the fixed base 40 and the intermediate turret 50, that is, the intermediate support 21 is located on the first fixed base 401, the second fixed base 402, the first synchronization mechanism 701, the second synchronization mechanism 702, and the first intermediate Above the turret 501 and the second intermediate turret 502.
  • each group of support components 22 includes a support frame 221 and a support member 222 connected to the support frame 221.
  • the flexible screen 10 is located above the support member 222 and is located on the same side of the middle support member 21.
  • the rod 34 is hinged to the supporting frame 221, and the supporting member 222 is slidably connected to the rotating member 32 located on the same side of the intermediate supporting member 21.
  • the side of the support 222 away from the flexible screen 10 is provided with a slide rail 223, the rotating member 32 may be a plate, for example, and the rotating member 32 located on the same side of the intermediate support 21 is inserted in In the slide rail 223.
  • the two ends of the connecting rod 34 are respectively hinged with the corresponding fixing seat 40 and the corresponding supporting assembly 22 through the connecting rod pins 801, 802, 811, 812, 821, and 822.
  • the two connecting rods 341 in the two groups of rotating mechanisms 30 are hinged to the fixing base 401 through the connecting rod pins 801, and the two connecting rods 342 in the two groups of rotating mechanisms 30 are hinged to the fixing base 402 through the connecting rod pins 802, and are connected to each other.
  • the other end of the rod 341 is hinged to the supporting assembly 22 through 811 or 812, and the other end of the connecting rod 342 is hinged to the supporting assembly 22 through 821 or 822.
  • the crankshaft 31 drives the rotating member 32 to rotate.
  • the rotating member 32 slides toward the crankshaft 31 under the action of the connecting rod 33, and the sliding direction is the thickness direction of the flexible screen 10.
  • the bent part of the flexible screen 10 is U-shaped under the action of the support 222.
  • the rotating member 32 drives the support frame 221 to rotate.
  • the supporting frame 221 slides relative to the rotating member 32 under the action of the connecting rod 34, and the sliding direction is the folding direction of the flexible screen 10.
  • the bent part of the flexible screen 10 is not subjected to the squeezing action of the intermediate support 21. In this way, it is ensured that the folding display device has a thin thickness and a normal display in the state of being folded in half.

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

Abstract

一种折叠显示装置，通过两个支撑组件（22）和中间支撑件（21）共同支撑柔性屏（10），转动件（32）滑动连接位于中间支撑件（21）同一边的支撑组件（22），支撑组件（22）沿柔性屏（10）的对折方向相对转动并远离中间支撑件（21），曲轴（31）带动转动件（32）转动，转动件（32）和曲轴（31）滑动连接，转动件（32）沿柔性屏（10）的厚度方向向曲轴（31）滑动，连接杆（33）的两端分别与固定座（40）和转动件（32）铰接，连杆（34）的两端分别与固定座（40）和同一个支撑组件（22）铰接，柔性屏（10）折弯部分在支撑组件（22）作用下呈U形，折叠显示装置对折后的厚度薄，柔性屏（10）的折弯部分不受中间支撑件（21）的挤压，如此，折叠显示装置在正对折状态下厚度薄且正常显示。

Description

折叠显示装置 技术领域
本申请涉及显示装置技术领域，尤其涉及一种折叠显示装置。
背景技术
折叠显示装置相较传统显示装置，其具有可以对折且更加轻薄的优点，成为显示装置的发展趋势。
折叠显示装置通常具有三个状态：正对折状态、反对折状态以及展开状态，折叠显示装置通常包括柔性屏和用于支撑柔性屏的支撑件，通过支撑件的形位变化，实现折叠显示装置在正对折状态、反对折状态和展开状态之间切换。其中，折叠显示装置处于正对折状态时，支撑件位于对折后的柔性屏两侧，折叠显示装置处于反对折状态时，支撑件位于对折后的柔性屏之间。
折叠显示装置在正对折状态下，柔性屏的折弯部分为水滴形，折叠显示装置对折后的厚度厚，且柔性屏的折弯部分受到支撑件的挤压作用，会造成柔性屏失效，无法正常显示。
发明内容
鉴于上述问题，本申请实施例提供一种折叠显示装置，以解决折叠显示装置正对折状态下厚度厚且无法正常显示的问题。
为了实现上述目的，本申请实施例提供如下技术方案：
本申请实施例的第一方面提供一种折叠显示装置，其包括柔性屏、固定座、支撑构件和两组转动构件；
支撑构件包括中间支撑件和设置在中间支撑件两边的两个支撑组件，两个支撑组件和中间支撑件共同支撑柔性屏；
两组转动构件位于中间支撑件的两边；
每组转动构件包括曲轴、转动件、连接杆和连杆，转动件滑动连接位于中间支撑件同一边的支撑组件，曲轴带动转动件转动，转动件和曲轴滑动连接，转动件沿柔性屏的厚度方向向曲轴滑动，固定座位于曲轴的一端，连接 杆的两端分别与固定座和转动件铰接，连杆的两端分别与固定座和同一个支撑组件铰接，支撑组件沿柔性屏的对折方向相对转动件向远离中间支撑件的一侧滑动。
与相关技术相比，本申请实施例提供的折叠显示装置具有如下优点：
在本申请实施例提供的折叠显示装置中，折叠显示装置包括柔性屏、支撑构件、两组转动构件和固定座，支撑构件包括中间支撑件和设置在中间支撑件两边的两个支撑组件，两个支撑组件和中间支撑件共同支撑柔性屏，两组转动构件位于中间支撑件的两边，每组转动构件包括曲轴、转动件、连接杆和连杆，转动件滑动连接位于中间支撑件同一边的支撑组件，曲轴带动转动件转动，转动件和曲轴滑动连接，转动件沿柔性屏的厚度方向向曲轴滑动，固定座位于曲轴的一端，连接杆的两端分别与固定座和转动件铰接，连杆的两端分别与固定座和同一个支撑组件铰接，支撑组件沿柔性屏的对折方向相对转动件向远离中间支撑件的一侧滑动。转动件在曲轴和连接杆的共同作用下转动且向曲轴滑动，滑动方向为柔性屏的厚度方向，支撑组件在转动件和连杆的共同作用下转动且相对转动件向背离中间支撑件的一侧滑动，滑动方向为柔性屏的对折方向，柔性屏折弯部分在支撑组件的作用下呈U形，折叠显示装置对折后的厚度薄，柔性屏与两个支撑组件固定，两个支撑组件距离中间支撑件的距离变大，柔性屏的折弯部分不受中间支撑件的挤压作用，如此，保证折叠显示装置在正对折状态下厚度薄且正常显示。
除了上面所描述的本申请实施例解决的技术问题、构成技术方案的技术特征以及由这些技术方案的技术特征所带来的有益效果外，本申请实施例提供的折叠显示装置所能解决的其他技术问题、技术方案中包含的其他技术特征以及这些技术特征带来的有益效果，将在具体实施方式中作出进一步详细的说明。
附图说明
为了更清楚地说明本申请实施例或相关技术中的技术方案，下面将对实施例或相关技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本申请的一些实施例，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为本申请实施例提供的折叠显示装置处于正对折状态的结构示意图；
图2为本申请实施例提供的折叠显示装置处于展开状态的结构示意图；
图3为本申请实施例提供的折叠显示装置的一个***图；
图4为本申请实施例提供的折叠显示装置的结构示意图；
图5为本申请实施例提供的折叠显示装置的另一个***图；以及
图6为本申请实施例提供的固定座的结构示意图。
具体实施方式
为了使本申请实施例的上述目的、特征和优点能够更加明显易懂，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述。显然，所描述的实施例仅仅是本申请的一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动的前提下所获得的所有其它实施例，均属于本申请保护的范围。
本申请实施例提供一种折叠显示装置，折叠显示装置例如可以是可折叠的手机，折叠显示装置能够沿一个对折线对折。
如图3所示，本申请实施例中的折叠显示装置包括柔性屏10和支撑构件20，柔性屏10例如可以是柔性有机发光二极管(Organic Light-Emitting Diode，OLED)，支撑构件20包括中间支撑件21和设置在中间支撑件21两边的两个支撑组件22，中间支撑件21例如呈长条状，两个支撑组件22例如位于中间支撑件21的宽度方向的两边，两个支撑组件22和中间支撑件21共同支撑柔性屏10。在一个实施例中，柔性屏10与两个支撑组件22固定设置，柔性屏10与中间支撑件21不固定。柔性屏10与两个支撑组件22固定设置的方式例如是，通过OCA(Optically Clear Adhesive)光学胶或泡棉胶粘接固定。折叠显示装置能够以中间支撑件21的长度方向(如图3中的方向C)为对折线对折。
本申请实施例中的折叠显示装置至少具有两个状态：如图1所示的正对折状态和如图2所示的展开状态。展开状态下，柔性屏10支撑在中间支撑件21和两个支撑组件22上，正对折状态下，两个支撑组件22位于对折后的柔性屏10两侧。
如图3和图4所示，本申请实施例的折叠显示装置还包括两组转动构件 30和固定座40，两组转动构件30位于中间支撑件21的两边。例如，两组转动构件30位于前述长条状的中间支撑件21的宽度方向的两边，中间支撑件21的同一边的转动构件30和支撑组件22对应设置。
如图3-图5所示的具体实施例中，每组转动构件30包括曲轴31、转动件32、连接杆33和连杆34，转动件32滑动连接位于中间支撑件21同一边的支撑组件22，曲轴31带动转动件32转动，且转动件32和曲轴31滑动连接，转动件32沿柔性屏10的厚度方向(如图3和图5中的方向A)向曲轴31滑动，固定座40位于曲轴31的一端，连接杆33的两端分别与固定座40和转动件32铰接，连杆34的两端分别与固定座40和同一个支撑组件22铰接，支撑组件22沿柔性屏10的对折方向(如图3和图5中的方向B)相对转动件32向远离中间支撑件21的一侧移动。
当两个支撑组件22相对中间支撑件21对折，进而带动柔性屏10对折时，支撑组件22距离中间支撑件21的距离变大，而柔性屏10与两个支撑组件22固定设置，柔性屏10与中间支撑件21不固定，如此，避免柔性屏10的折弯部分受中间支撑件21的挤压，保证柔性屏10正常显示。同时，中间支撑件21能够使得柔性屏10的中间部分也得到支撑。本申请实施例的折叠显示装置，由于转动件32与支撑组件22之间的连接方式和转动件32与曲轴31之间的连接方式均为滑动连接，可以避免柔性屏10因闭合和打开所产生的长度变化，并且连接杆33和连杆34的使用，可以约束转动件32的运动轨迹。
本申请实施例的折叠显示装置，转动件32在曲轴31和连接杆33的共同作用下转动且向曲轴31滑动，滑动方向为柔性屏10的厚度方向，支撑组件22在转动件32和连杆34的共同作用下转动且相对转动件32向背离中间支撑件21的一侧滑动，滑动方向为柔性屏10的对折方向，柔性屏10折弯部分在支撑组件22的作用下呈U形，折叠显示装置对折后的厚度薄；柔性屏10与两个支撑组件22固定，两个支撑组件22距离中间支撑件21的距离变大，柔性屏10的折弯部分不受中间支撑件21的挤压作用，如此，保证折叠显示装置在正对折状态下厚度薄且正常显示。
在一个具体的实施例中，折叠显示装置还包括与两组转动构件30中的曲轴31相连的同步机构70，两组转动构件30中的曲轴31在同步机构70的作 用下同步转动，曲轴31同步转动使得折叠显示装置对折的两部分同步运动，具体地，同步机构70例如包括蜗轮蜗杆机构或者齿轮机构。当轴数(包含蜗轮)为奇数时，该同步机构70为蜗轮蜗杆机构；当轴数(包含蜗轮)为偶数时，该同步机构70为齿轮机构，不需要使用蜗轮。该同步机构70的使用可以使得位于中间支撑件两边的转动构件同时改变到中间的距离，减小折叠后的整体厚度。
在一个具体的实施例中，如图3所示，折叠显示装置还包括中间转动架50，两组转动构件30中的曲轴31可转动的设置在中间转动架50上，中间转动架50能够起到支撑曲轴31的作用。
在一个具体的实施例中，中间支撑件21呈长条状，每组转动构件30包括两个曲轴31、两个连接杆33和两个连杆34，固定座40的数量为两个，同步机构的数量为两个，中间转动架50的数量为两个。沿中间支撑件21的长度方向(如图3和图5中的方向C)，两个固定座40、两个中间转动架50、两个同步机构70、每组转动构件30中的两个曲轴31、每组转动构件30中的两个连接杆33和每组转动构件30中的两个连杆34对称设置。在本具体实施例中，中间支撑件21宽度方向的两边设置有两组转动构件30，每组转动构件30中沿中间支撑件21的长度方向布置有两个曲轴31，两个连接杆33、两个连杆34和一个转动件32。
如图4和图5所示的具体实施例中，每组转动构件30中的两个曲轴31标记为第一曲轴311和第二曲轴312，每组转动构件30中的两个连接杆33标记为第一连接杆331和第二连接杆332，每组转动构件30中的两个连杆34标记为第一连杆341和第二连杆342，两个固定座40标记为第一固定座401和第二固定座402，两个同步机构70标记为第一同步机构701和第二同步机构702，两个中间转动架50标记为第一中间转动架501和第二中间转动架502。
如图5和图6所示的具体实施例中，固定座40包括固定部403和连接在固定部一侧的S形部404，S形部404包括第一开口4041和第二开口4042。两组转动构件30中的连接杆33与同一个固定部403连接，也即，两组转动构件30中的第一连接杆331均与第一固定座401的固定部403连接。两组转动构件30中的第二连杆342均与第二固定座402的固定部连接，两组转动构件30中的连杆34分别设置在第一开口4041和第二开口4042中，也即，两 组转动构件30中的第一连杆341分别设置在第一固定座401的第一开口4041和第二开口4042中，两组转动构件30中的第二连杆342分别设置在第二固定座402的第一开口4041和第二开口4042中。具体示例中，固定座40由固定部403和S形部404一体成型。
如图5所示的具体实施例中，转动件32对应曲轴31的位置设置有长条孔321，长条孔321的孔深方向为中间支撑件22的长度方向，长条孔321在柔性屏10厚度方向的孔径尺寸大于长条孔321在对折方向上的孔径尺寸。具体地，转动件32呈长条状，转动件32的长度方向和中间支撑件21的长度方向一致，转动件32面向曲轴31的侧面设置有两个相对设置的安装凸起322，两个安装凸起322上均设置有一个长条孔321，两个长条孔321相对设置，长条孔321的孔深方向为中间支撑件22的长度方向，长条孔321在柔性屏10厚度方向的孔径尺寸大于长条孔321在对折方向上的孔径尺寸，对应地，每组转动构件30中的两个曲轴31相背离的端部分别插设在对应侧的长条孔321中，每个安装凸起322与另一个安装凸起相背离的一侧与连接杆33连接。
如图4和图5所示的具体实施例中，折叠显示装置还包括基座60，固定座40、中间转动架50和同步机构70设置在基座60的上方，也即，第一固定座401、第二固定座402、第一同步机构701、第二同步机构702、第一中间转动架501和第二中间转动架502均设置在基座60的上方，中间支撑件21与基座60相连，且位于固定座40和中间转动架50的上方，也即，中间支撑件21位于第一固定座401、第二固定座402、第一同步机构701、第二同步机构702、第一中间转动架501和第二中间转动架502的上方。
如图3所示的具体实施例中，每组支撑组件22包括支撑架221和连接在支撑架221上的支撑件222，柔性屏10位于支撑件222上方，位于中间支撑件21同一边的连杆34与支撑架221铰接，支撑件222滑动连接在位于中间支撑件21同一边的转动件32上。
如图5所示的具体实施例中，支撑件222背离柔性屏10的一侧设置有滑轨223，转动件32例如可以为板件，位于中间支撑件21同一边的转动件32插接在滑轨223中。连杆34的两端分别与对应的固定座40和对应的支撑组件22通过连杆销801、802、811、812、821、822铰接。具体地，两组转动机构30中的两个连杆341通过连杆销801与固定座401铰接，两组转动机构 30中的两个连杆342通过连杆销802与固定座402铰接，连杆341的另一端通过811或812与支撑组件22铰接，连杆342的另一端通过821或822与支撑组件22铰接。
本申请实施例的折叠显示装置，曲轴31带动转动件32转动。转动件32在连接杆33的作用下向曲轴31滑动，滑动方向为柔性屏10的厚度方向。柔性屏10的折弯部分在支撑件222的作用下呈U形。转动件32带动支撑架221转动。支撑架221在连杆34作用下相对转动件32滑动，滑动方向为柔性屏10的对折方向。柔性屏10的折弯部分不受中间支撑件21的挤压作用。如此，保证折叠显示装置在正对折状态下厚度薄且正常显示。
最后应说明的是：以上各实施例仅用以说明本申请的技术方案，而非对其限制；尽管参照前述各实施例对本申请进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例技术方案的范围。

Claims (20)

  1. 一种折叠显示装置，包括：
    柔性屏；
    固定座；
    支撑构件，所述支撑构件包括中间支撑件和设置在所述中间支撑件两边的两个支撑组件，两个所述支撑组件和所述中间支撑件共同支撑所述柔性屏；
    两组转动构件，所述两组转动构件位于所述中间支撑件的两边；
    每组所述转动构件包括曲轴、转动件、连接杆和连杆，所述转动件滑动连接位于所述中间支撑件同一边的所述支撑组件，所述曲轴带动所述转动件转动，所述转动件和所述曲轴滑动连接，所述转动件沿所述柔性屏的厚度方向向所述曲轴滑动，所述固定座位于所述曲轴的一端，所述连接杆的两端分别与所述固定座和所述转动件铰接，所述连杆的两端分别与所述固定座和同一个所述支撑组件铰接，所述支撑组件沿所述柔性屏的对折方向相对所述转动件向远离所述中间支撑件的一侧滑动。
  2. 根据权利要求1所述的折叠显示装置，其中，所述折叠显示装置还包括与所述两组转动构件中的所述曲轴相连的同步机构。
  3. 根据权利要求2所述的折叠显示装置，其中，所述同步机构包括蜗轮蜗杆机构或者齿轮机构。
  4. 根据权利要求1所述的折叠显示装置，其中，所述折叠显示装置还包括中间转动架，所述两组转动构件中的所述曲轴可转动的设置在所述中间转动架上。
  5. 根据权利要求4所述的折叠显示装置，其中，所述中间支撑件呈长条状，每组所述转动构件包括两个曲轴、两个连接杆和两个连杆，所述固定座的数量为两个，所述中间转动架的数量为两个；
    沿所述中间支撑件的长度方向，两个所述固定座、两个所述中间转动架、每组所述转动构件中的两个所述曲轴、每组所述转动构件中的两个所述连接杆和每组所述转动构件中的两个所述连杆对称设置。
  6. 根据权利要求2所述的折叠显示装置，其中，所述中间支撑件呈长条状，每组所述转动构件包括两个曲轴、两个连接杆和两个连杆，所述固定座的数量为两个，所述同步机构的数量为两个；
    沿所述中间支撑件的长度方向，两个所述固定座、两个所述同步机构、每组所述转动构件中的两个所述曲轴、每组所述转动构件中的两个所述连接杆和每组所述转动构件中的两个所述连杆对称设置。
  7. 根据权利要求1所述的折叠显示装置，其中，所述固定座包括固定部和连接在所述固定部一侧的S形部，所述S形部包括第一开口和第二开口；
    所述两组转动构件中的所述连接杆均与所述固定部连接；
    所述两组转动构件中的所述连杆分别设置在所述第一开口和所述第二开口中。
  8. 根据权利要求7所述的折叠显示装置，其中，所述固定座包括第一固定座和第二固定座，每组所述转动构件中的连杆包括第一连杆和第二连杆，所述两组转动构件中的第一连杆分别设置在所述第一固定座的所述第一开口和所述第二开口中，所述两组转动构件中的第二连杆分别设置在所述第二固定座的所述第一开口和所述第二开口中。
  9. 根据权利要求2所述的折叠显示装置，其中，所述折叠显示装置还包括基座，所述固定座和所述同步机构设置在所述基座的上方，所述中间支撑件位于所述固定座和所述同步机构的上方。
  10. 根据权利要求4所述的折叠显示装置，其中，所述折叠显示装置还包括基座，所述固定座和所述中间转动架设置在所述基座的上方，所述中间支撑件位于所述固定座和所述中间转动架的上方。
  11. 根据权利要求1所述的折叠显示装置，其中，每组所述支撑组件包括支撑架和连接在所述支撑架上的支撑件，所述柔性屏位于所述支撑件上方，位于所述中间支撑件一边的所述连杆与所述支撑架铰接，所述支撑件滑动连接在位于所述中间支撑件一边的所述转动件上。
  12. 根据权利要求11所述的折叠显示装置，其中，所述支撑件背离所述柔性屏的一侧设置有滑轨，位于所述中间支撑件一边的所述转动件插接在所述滑轨中。
  13. 根据权利要求5所述的折叠显示装置，其中，所述转动件对应所述曲轴的位置设置有长条孔，所述长条孔的孔深方向为所述中间支撑件的长度方向，所述长条孔在所述柔性屏的所述厚度方向的孔径尺寸大于所述长条孔在所述对折方向上的孔径尺寸。
  14. 根据权利要求13所述的折叠显示装置，其中，所述转动件呈长条状，所述转动件的长度方向和所述中间支撑件的长度方向一致，所述转动件朝向所述曲轴的侧面设置有两个相对设置的安装凸起，两个所述安装凸起上均设置有一个所述长条孔，两个所述长条孔相对设置。
  15. 根据权利要求14所述的折叠显示装置，其中，每组所述转动构件中的所述曲轴相背离的端部分别插设在对应侧的所述长条孔中，每个所述安装凸起与另一个安装凸起相背离的一侧与所述连接杆连接。
  16. 根据权利要求1所述的折叠显示装置，其中，所述连杆的两端分别与对应的固定座和对应的支撑组件通过连杆销铰接。
  17. 根据权利要求1所述的折叠显示装置，其中，所述转动件为板件。
  18. 根据权利要求1所述的折叠显示装置，其中，所述柔性屏包括柔性有机发光二极管OLED。
  19. 根据权利要求1-18中任一项所述的折叠显示装置，其中，所述柔性屏与两个所述支撑组件固定设置。
  20. 根据权利要求19所述的折叠显示装置，其中，所述柔性屏与两个所述支撑组件固定设置的方式为通过光学胶或泡棉胶粘接固定。
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