WO2021212709A1 - 折叠显示装置 - Google Patents

折叠显示装置 Download PDF

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Publication number
WO2021212709A1
WO2021212709A1 PCT/CN2020/110605 CN2020110605W WO2021212709A1 WO 2021212709 A1 WO2021212709 A1 WO 2021212709A1 CN 2020110605 W CN2020110605 W CN 2020110605W WO 2021212709 A1 WO2021212709 A1 WO 2021212709A1
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WO
WIPO (PCT)
Prior art keywords
display device
support plate
display
board
main chain
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PCT/CN2020/110605
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English (en)
French (fr)
Inventor
陈运燊
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深圳市鸿合创新信息技术有限责任公司
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Publication of WO2021212709A1 publication Critical patent/WO2021212709A1/zh

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    • 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

  • This application belongs to the field of display technology, and more specifically, relates to a folding display device.
  • the size of the display screen in the folding display device is usually made large, and the above-mentioned display screen can usually be touched by placing the folding display device in a classroom, conference room, home or other places.
  • teaching or demonstration tasks This involves a problem.
  • the display screen in the folding display device loses the display and touch operation functions, which results in the inability to perform teaching and display tasks, which affects the user experience.
  • the purpose of this application is to provide a folding display device to solve the technical problem that the folding display device in the prior art cannot perform teaching and display tasks when the power is off, which affects the user experience.
  • a folding display device including:
  • a display device having a display surface for displaying a screen includes a first display portion, a connection portion, and a second display portion that are sequentially connected along the extension direction of the display surface, at least the connection portion can be bent, the The display device has a flattened state in which the first display portion, the connecting portion, and the second display portion are all located on the same plane, and the first display portion and the second display portion are arranged at an angle less than 180° Folded state
  • the supporting assembly includes a first supporting plate connected to the side of the first display portion facing away from the display surface and a second supporting plate connected to the side of the second display portion facing away from the display surface,
  • the first support plate is used to support the first display portion
  • the second support plate is used to support the second display portion;
  • the writing board is fixedly connected to the first support board and used for writing.
  • the writing board may include a first sub-board, and the first sub-board is connected to a side of the first support board that faces away from the display surface.
  • the writing board may include a second sub-board, the second sub-board is connected to an end of the second support board facing the first support board, and the writing board has handwriting facing the display device.
  • the handwriting surface can be attached to the first support plate when the display device is in the flat state, and be spaced apart from the first support plate when the display device is in the folded state.
  • the foldable display device may further include a rotating assembly connected to the first support plate and the second support plate, and the first support plate and the second support plate can be rotationally connected by the rotating assembly ,
  • the rotating assembly includes a main chain;
  • the first support plate can be provided with a first avoidance groove on its end surface facing the second support plate, and the main chain is connected to the bottom of the first avoidance groove and the second support plate.
  • the main chain is spaced apart from the groove wall of the first avoiding groove facing away from the display device.
  • the foldable display device may further include a rotating assembly connected to the first support plate and the second support plate, and the first support plate and the second support plate can be rotationally connected by the rotating assembly ,
  • the rotating assembly includes a main chain;
  • the second support plate may be provided with a second avoidance groove on its end surface facing the first support plate, and the main chain is connected to the bottom of the first support plate and the second avoidance groove.
  • the main chain is also spaced apart from the groove wall of the second avoiding groove facing away from the display device.
  • the rotating assembly may further include an auxiliary chain, and the auxiliary chain is spaced apart from the main chain;
  • the first relief groove may penetrate to a side of the first support plate facing the display device, and the auxiliary chain is connected to the side of the display device facing away from the display surface and is connected to the first support
  • the board is connected to the second support board.
  • the rotating assembly may further include an auxiliary chain, and the auxiliary chain is spaced apart from the main chain;
  • the second relief groove may penetrate to the side of the second support plate facing the display device, and the auxiliary chain is connected to the side of the display device facing away from the display surface and is connected to the first support.
  • the board is connected to the second support board.
  • the rotating assembly may include at least one rotating shaft, the rotating shaft is connected to the main chain and the auxiliary chain and used to support the main chain and the auxiliary chain, the rotating shaft is connected to the first support plate and the first The two supporting plates are arranged at intervals.
  • the bottom of the first avoidance groove may be provided with a first spacing groove, the first spacing groove penetrates to the side of the first support plate facing the display device, and the auxiliary chain is connected to The bottom of the first spacing groove.
  • the bottom of the second avoidance groove may be provided with a second spacing groove, the second spacing groove penetrates to the side of the second support plate facing the display, and the auxiliary chain is connected to the For the groove bottom of the second spacing groove, the rotating shaft is spaced apart from the groove bottom of the first spacing groove and the second support plate, and the auxiliary chain is connected to the groove bottom of the second spacing groove.
  • the foldable display device of the present application includes a display device having a first display portion, a second display portion, and a bendable connecting portion, and a first support plate is connected to the back of the first display portion, and the second display portion A second support board is connected to the back of the device, wherein a writing board is connected to the first support board. Therefore, when the foldable display device is in a power-off state, the first support plate and the second support plate can be rotated relative to each other through the curved connection part until the user sees the writing board and can write on the writing board for teaching tasks or display. Task.
  • FIG. 1 is a schematic diagram of the front structure of an embodiment of a folding display device provided by this application;
  • FIG. 2 is a schematic diagram of a rear view structure of an embodiment of a folding display device provided by this application;
  • FIG. 3 is a schematic diagram of a front view of another embodiment of the folding display device provided by the application.
  • FIG. 4 is a cross-sectional view of an embodiment of the folding display device provided by this application in a flat state
  • FIG. 5 is a cross-sectional view of an embodiment of the folding display device provided by this application in a folded state.
  • first and second are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined with “first” and “second” may explicitly or implicitly include one or more of these features. In the description of the present application, “multiple” means two or more than two, unless otherwise specifically defined.
  • the folding display device includes a display device 100, a supporting assembly 200, and a writing board 300.
  • the display device 100 has a display surface for displaying images.
  • the display device 100 includes a first display portion 110, a connection portion 120, and a second display portion 130 that are sequentially connected along the extending direction of the display surface. At least the connection portion 120 can be bent to display
  • the device 100 has a flattened state where the first display portion 110, the connecting portion 120, and the second display portion 130 are all located on the same plane, and the folded state where the first display portion 110 and the second display portion 130 are arranged at an angle less than 180°.
  • the display device 100 is composed of a display screen 140 and a touch screen 150, and both the display screen 140 and the touch screen 150 are flexible screens.
  • the display screen 140 is connected to the first support plate 210 and the second support plate 220 for displaying images.
  • Information, the image information here can be text information, animation information, picture information or digital information.
  • the display screen 140 is an AMOLED (Active-matrix organic light-emitting diode, active matrix organic light-emitting diode or active matrix organic light-emitting diode) display 140, and the basis of the AMOLED display 140 is an organic light-emitting diode.
  • AMOLED Active-matrix organic light-emitting diode, active matrix organic light-emitting diode or active matrix organic light-emitting diode
  • thousands of light sources that can emit only one of the three colors of red, green or blue are placed on the substrate of the display screen 140 in a specific form. These luminous bodies are applied with voltage. Will emit red, green or blue when Among them, the voltage conversion also needs to rely on TFT (Thin Film Transistor), and after adjusting the ratio of the three primary colors, various colors can be emitted.
  • TFT Thin Film Transistor
  • the screen of the AMOLED display is very thin, and the touch layer can be integrated in the screen, AMOLED self-luminous, a single pixel does not work when the display is black, and the display is dark Time and low power consumption. Therefore, AMOLED saves power in dark colors and has a contrast ratio of several hundred times that of traditional LCDs. It does not leak light, has good flexibility, is not easy to damage, and has a very wide color gamut.
  • the touch screen 150 is composed of a glass panel with a thickness of 50/70um, an OCA (Optically Clear Adhesive) adhesive, a flexible conductive film, an OCA adhesive, and a flexible conductive film from the outside to the inside.
  • the touch screen 150 is used for users Touch operation to change the image information displayed on the display screen 140.
  • the supporting assembly 200 includes a first supporting plate 210 connected to the side of the first display portion 110 facing away from the display surface, and a second supporting plate 220 connected to the side of the second display portion 130 facing away from the display surface. 210 is used to support the first display portion 110, and the second support plate 220 is used to support the second display portion 130.
  • the writing board 300 is fixedly connected to the first supporting board 210 and used for writing.
  • the writing board 300 may be a traditional blackboard, a plastic black-and-white board, or any other board-like structure that can achieve a writing effect, and it is within the scope of this application.
  • the foldable display device includes a display device 100 having a first display portion 110, a second display portion 130, and a bendable connecting portion 120, And a first support board 210 is connected to the back of the first display portion 110, and a second support board 220 is connected to the back of the second display portion 130.
  • a writing board 300 is connected to the first support board 210.
  • the writing board 300 includes a first sub-board 310, and the first sub-board 310 is connected to the first supporting board 210 to display back Side of the face.
  • the size of the first sub-board 310 is smaller than the size of the first display portion 110, and the edge of the first sub-board 310 is flush with the edge of the first display portion 110.
  • folding the first display portion 110 can fold the first sub-board 310 connected to the back of the first support board 210 to the front, so that the user can write on the first sub-board 310.
  • the writing board 300 includes a second sub-board 320, and the second sub-board 320 is connected to the second support board 220 and faces the first support board. At one end of 210, the second sub-board 320 has a writing surface facing the display device 100. The writing surface can be attached to the first support plate 210 when the display device 100 is in the flat state, and be spaced apart from the first support plate 210 when the display device 100 is in the folded state.
  • the second sub-board 320 and the first sub-board 310 can be arranged side by side along the length direction of the display device 100, compared with Since the first sub-board 210 is only connected to the first supporting board 210, the added second sub-board 220 can increase the area of the writing board 300, which further improves the user experience.
  • first sub-board 310 is adhered to the first support board 210, or the first sub-board 310 is detachably connected to the first support board 210.
  • the foldable display device further includes a rotating assembly 400 connected to the first support plate 210 and the second support plate 220, the first support plate 210 and the second support plate 220 can be rotationally connected by a rotating assembly 400.
  • the rotating assembly 400 includes a main chain 410.
  • the 410 is connected to the bottom of the first avoiding groove 2100 and the second supporting plate 220, and the main chain 410 and the first avoiding groove 2100 are spaced apart from the groove wall of the first avoiding groove 2100 facing away from the display device 100.
  • the connecting portion 120 is bent and the first display portion 110 and the second display portion 130 relatively rotate, the main chain 410 also bends accordingly.
  • the arrangement of the first avoidance groove 2100 provides a avoidance space for the bending of the main chain 410, so that a part of the main chain 410 is bent and deformed in the first avoidance groove 2100, and the area of the main chain 410 subjected to bending stress Larger, to avoid the dead folding phenomenon of the main chain 410 due to the too small force area under long-time folding and heavy pressure.
  • the main chain 410 can support the connection of the first display portion 110 and the second display portion 130, and the chain-like structure can only be bent in a single direction.
  • the main chain 410 can only be bent and deformed in a plane perpendicular to the display surface, and will not be bent and deformed on a plane parallel to the display surface.
  • the main chain 410 can be deformed in a plane parallel to the display surface. Provide sufficient supporting force to the connecting portion 120 in the direction, so that when the first display portion 110 and the second display portion 120 are in a flat state, the first display portion 110 and the second display portion 120 are in a direction parallel to the display surface. There will be no misalignment, avoiding its wave deformation.
  • the second supporting plate 220 is provided with a second avoiding groove 2200 on its end surface facing the first supporting plate 210, and the main chain 410 is connected to the grooves of the first supporting plate 210 and the second avoiding groove 2200 At the bottom, the main chain 410 is also spaced apart from the groove wall of the second avoiding groove 2200 facing away from the display device 100.
  • the connecting portion 120 is bent and the first display portion 110 and the second display portion 130 relatively rotate, the main chain 410 also bends accordingly.
  • the setting of the second avoidance groove 2200 provides a avoidance space for the bending of the main chain 410, so that a part of the main chain 410 is bent and deformed in the second avoidance groove 2200, and the area of the main chain 410 subjected to bending stress Larger, to avoid the dead folding phenomenon of the main chain 410 due to the too small force area under long-time folding and heavy pressure.
  • the main chain 410 can support the connection of the first display portion 110 and the second display portion 130, and the chain-like structure can only be bent in a single direction.
  • the main chain 410 can only be bent and deformed in a plane perpendicular to the display surface, and will not be bent and deformed on a plane parallel to the display surface.
  • the main chain 410 can be deformed in a plane parallel to the display surface. Provide sufficient supporting force to the connecting portion 120 in the direction, so that when the first display portion 110 and the second display portion 120 are in a flat state, the first display portion 110 and the second display portion 120 are in a direction parallel to the display surface. There will be no misalignment, avoiding its wave deformation.
  • the first supporting plate 210 is provided with a first avoiding groove 2100 and the second supporting plate 220 is provided with a second avoiding groove 2200, and the first avoiding groove 2100 and the second avoiding groove 2200 are arranged directly opposite to each other.
  • a first avoidance slot 2100 is opened on the first support plate 210, and a second avoidance slot 2200 is opened on the second support plate 220, which increases the avoidance space of the main chain 410, and the main chain 410 is subject to bending stress.
  • the larger area further prevents the main chain 410 from breaking due to the too small force area under long-term folding and heavy pressure.
  • the rotating assembly 400 further includes an auxiliary chain 420, the auxiliary chain 420 and the main chain 410 are spaced apart; the first avoidance slot 2100 penetrates to The first supporting plate 210 faces the side of the display device 100, and the auxiliary chain 420 is connected to the side of the display device 100 facing away from the display surface and connected to the first supporting plate 210 and the second supporting plate 220.
  • a avoidance space is reserved for the auxiliary chain 420, so that when the auxiliary chain 420 is bent, the force-bearing area at the bend is larger This prevents the auxiliary chain 420 from being broken due to the too small force-bearing area under long-term bending.
  • the second avoiding slot 2200 penetrates to the side of the second support plate 220 facing the display device 100, the auxiliary chain 420 and the main chain 410 are spaced apart, and the auxiliary chain 420 is connected to the display device 100 facing away from the display surface
  • the side surface of the device is connected to the second support plate 220 and the first support plate 210.
  • the rotating assembly 400 further includes an auxiliary chain 420, the first avoiding groove 2100 penetrates to the side of the first supporting plate 210 facing the display device 100, and the second avoiding groove 2200 penetrates to the second supporting plate 220 facing the display device.
  • the auxiliary chain 420 is spaced from the main chain 410, and the auxiliary chain 420 is connected to the side of the display device 100 facing away from the display surface and to the bottom of the first avoiding slot 2100 and the bottom of the second avoiding slot 2200 connect.
  • the auxiliary chain 420 is reserved.
  • a larger escape space is provided, so that when the auxiliary chain 420 is bent, the force-bearing area at the bend is larger, which is more beneficial to avoid the dead-bending phenomenon of the auxiliary chain 420 due to the too small force-bearing area when the auxiliary chain 420 is bent for a long time.
  • the auxiliary chain 420 is provided on the side of the display device 100 facing away from the display surface, and the auxiliary chain 420 is connected to the first support plate 210 and the second support plate 220. Wherein, the auxiliary chain 420 is closely connected with the display device 100.
  • the auxiliary chain 420 can provide a certain amount to the first display portion 110 and the second display portion 130.
  • the supporting force prevents the first supporting plate 210 and the second supporting plate 220 from being reversely folded due to insufficient supporting force, and ensures that the display device 100 is in a flat state.
  • the flatness of the auxiliary chain 420 can prevent the display device 100 from being broken to a certain extent, thereby affecting the image quality.
  • the rotating assembly 400 includes at least one rotating shaft 430, the rotating shaft 430 is connected to the main chain 410 and the auxiliary chain 420 and used to support the main chain 410 and
  • the auxiliary chain 420 makes the main chain 410 and the auxiliary chain 420 more stable.
  • the bending limit of the main chain 410 is to fit the coil around the outer surface of the rotating shaft 430, and the cross-section of the rotating shaft 430 is circular or elliptical to prevent the main chain 410 from bends and further prevent dead bends.
  • the diameter of the rotating shaft 430 also limits the main The degree of bending of the chain 410.
  • the rotating shaft 430 is spaced apart from the first support plate 210 and the second support plate 220. Specifically, the rotating shaft 430 is spaced from the bottom of the first relief slot 2100 or from the bottom of the second relief slot 2200. Or, the rotating shaft 430 is spaced apart from the bottom of the first avoiding slot 2100 and the bottom of the second avoiding slot 2200. This arrangement leaves a avoiding space for the main chain 410, which helps prevent deadlocks.
  • the folding display device there are two rotating shafts 430, and the two rotating shafts 430 are spaced apart and arranged along the extension direction of the main chain 410.
  • the display The device 100 has a folding line, and two rotating shafts 430 are symmetrically arranged along the plane where the folding line is located. Setting two rotating shafts 430 reduces the size of the central angle between the bent main chain 410 and the rotating shaft 430, and also reduces the size of the central angle between the auxiliary chain 420 and the rotating shaft 430, which further prevents the main chain 410 and the auxiliary chain 420 have a blind spot.
  • the bottom of the first avoiding groove 2100 is provided with a first spacing groove 2110, and the first spacing groove 2110 penetrates to the first support
  • the board 210 faces the side of the display device 100, and the auxiliary chain 420 is connected to the bottom of the first spacing groove 2110.
  • a first spacing slot 2110 is opened at the bottom of the first avoiding slot 2100.
  • the first spacing slot 2110 can provide a shelter space for the display device 100.
  • the display device 100 is folded, the display The area of the device 100 subjected to the bending stress is larger, which prevents the display device 100 from being broken due to the excessively small force area under long-term folding and heavy pressure.
  • the rotating shaft 430 is spaced apart from the bottom of the first spacing groove 2110 and the second support plate 220, which increases the avoidance space reserved by the first spacing groove 2110 for the auxiliary hinge 420.
  • the bottom of the second avoiding groove 2200 is provided with a second spacing groove 2210, and the second spacing groove 2210 penetrates to the second support
  • the board 220 faces one side of the display, and the auxiliary chain 420 is connected to the bottom of the second spacing groove 2210.
  • a second interval groove 2210 is opened at the bottom of the second avoidance groove 2200.
  • the second interval groove 2210 can provide escape for the display device 100 Space, when the display device 100 is folded, the folding force area of the display device 100 is larger, which more effectively prevents the display device 100 from dead folding due to the too small force area under long-term folding and heavy pressure, ensuring the display The structural stability of the device 100.
  • the rotating shaft 430 is spaced apart from the bottom of the second spacing groove 2210 and the first support plate 220, which increases the space reserved for the auxiliary hinge 420 by the first spacing groove 2110.
  • the support assembly 200 further includes a hanging member 230 connected to the back of the second support plate 220, and the hanging member 230 is used to suspend and install the display device 100 On the wall, the structure is simple and convenient for users to use.

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Abstract

一种折叠显示装置，包括显示器件(100)、支撑组件(200)以及书写板(300)。显示器件(100)沿显示面延伸方向包括依次连接的第一显示部(110)、连接部(120)及第二显示部(130)，第一显示部(110)和第二显示部(130)具有折叠状态和展平状态，支撑组件(200)包括连接于第一显示部(110)背向显示面的一侧的第一支撑板(210)以及连接于第二显示部(130)背向显示面的一侧的第二支撑板(220)，书写板(300)固定连接于第一支撑板(210)并用于书写。折叠显示装置在断电情况下，通过弯曲连接部(120)，第一支撑板(210)和第二支撑板(220)实现相对转动，直至用户看到书写板(300)并得以在书写板(300)上书写，以便进行教学任务或者展示任务，提高了用户的使用体验。

Description

折叠显示装置
相关申请的交叉引用
本申请要求享有于2020年04月24日提交的名称为“折叠显示装置”的中国专利申请202020647857.3的优先权，该申请的全部内容通过引用并入本文中。
技术领域
本申请属于显示技术领域，更具体地说，是涉及一种折叠显示装置。
背景技术
目前，为了满足教学需要，折叠显示装置中的显示屏的尺寸通常做的很大，并且上述的显示屏通常能够进行触摸操作，通过将折叠显示装置放置在教室、会议室、家中或者其它场所中以进行教学或者展示任务。这其中涉及一个问题，当出现断电情况，折叠显示装置中的显示屏就失去了显示和触摸操作功能，导致不能进行教学和展示任务，影响用户体验。
发明内容
本申请的目的在于提供一种折叠显示装置，以解决现有技术中存在的折叠显示装置在断电状态下，不能够进行教学和展示任务，影响用户体验的技术问题。
为实现上述目的，本申请提供一种折叠显示装置，包括：
显示器件，具有用于显示画面的显示面，所述显示器件沿所述显示面延伸方向包括依次连接的第一显示部、连接部及第二显示部，至少所述连接部能够弯曲，所述显示器件具有所述第一显示部、所述连接部及所述第 二显示部均位于同一平面的展平状态以及第一显示部与所述第二显示部呈小于180°的夹角设置的折叠状态；
支撑组件，包括连接于所述第一显示部背向所述显示面的一侧的第一支撑板以及连接于所述第二显示部背向所述显示面的一侧的第二支撑板，所述第一支撑板用于支撑所述第一显示部，所述第二支撑板用于支撑所述第二显示部；
书写板，固定连接于所述第一支撑板并用于书写。
进一步地，所述书写板可包括第一分板，第一分板连接于所述第一支撑板背向所述显示面的一侧。
进一步地，所述书写板可包括第二分板，所述第二分板连接于所述第二支撑板朝向所述第一支撑板的一端，所述书写板具有朝向所述显示器件的手写面，所述手写面能够在所述显示器件处于所述展平状态时贴合于所述第一支撑板，在所述显示器件处于所述折叠状态时与所述第一支撑板间隔设置。
进一步地，所述折叠显示装置还可包括连接于所述第一支撑板及第二支撑板的转动组件，所述第一支撑板与所述第二支撑板能够通过所述转动组件实现转动连接，所述转动组件包括主链条；
所述第一支撑板于其朝向所述第二支撑板的端面可开设有第一避位槽，所述主链条连接于所述第一避位槽的槽底及第二支撑板，所述主链条与所述第一避位槽背向所述显示器件的槽壁间隔设置。
进一步地，所述折叠显示装置还可包括连接于所述第一支撑板及第二支撑板的转动组件，所述第一支撑板与所述第二支撑板能够通过所述转动组件实现转动连接，所述转动组件包括主链条；
所述第二支撑板于其朝向所述第一支撑板的端面可开设有第二避位槽，所述主链条连接于所述第一支撑板及第二避位槽的槽底，所述主链条还与所述第二避位槽背向所述显示器件的槽壁间隔设置。
进一步地，所述转动组件还可包括辅助链条，所述辅助链条与所述主链条间隔设置；
所述第一避位槽可贯通至所述第一支撑板朝向所述显示器件的一侧，所述辅助链条连接于所述显示器件背向所述显示面的侧面并与所述第一支撑板及所述第二支撑板连接。
进一步地，所述转动组件还可包括辅助链条，所述辅助链条与所述主链条间隔设置；
所述第二避位槽可贯通至所述第二支撑板朝向所述显示器件的一侧，所述辅助链条连接于所述显示器件背向所述显示面的侧面并与所述第一支撑板及所述第二支撑板连接。
进一步地，所述转动组件可包括至少一个转轴，所述转轴连接于所述主链条和辅助链条并用于支撑所述主链条和辅助链条，所述转轴与所述第一支撑板及所述第二支撑板间隔设置。
进一步地，所述转轴设可有两个，两所述转轴间隔设置并沿所述主链条延伸方向排布。
进一步地，所述第一避位槽的槽底可开设有第一间隔槽，所述第一间隔槽贯通至所述第一支撑板朝向所述显示器件的一侧，所述辅助链条连接于第一间隔槽的槽底。
进一步地，所述第二避位槽的槽底可开设有第二间隔槽，所述第二间隔槽贯通至所述第二支撑板朝向所述显示器的一侧，所述辅助链条连接于所述第二间隔槽的槽底，所述转轴与所述第一间隔槽的槽底及所述第二支撑板间隔设置，所述辅助链条连接于第二间隔槽的槽底。
本申请折叠显示装置包括一个显示器件，该显示器件具有第一显示部、第二显示部以及可弯曲的连接部，并且在第一显示部的背部连接有第一支撑板，在第二显示部的背部连接有第二支撑板，其中，在第一支撑板上连接有书写板。因此，当折叠显示装置处于断电状态时，第一支撑板和第二支撑板可通过弯曲连接部实现相对转动，直至用户看到书写板并得以在书写板上书写，以便进行教学任务或者展示任务。
附图说明
为了更清楚地说明本申请实施例中的技术方案，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地介绍，显而易见地，下面描述中的附图仅仅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性的前提下，还可以根据这些附图获得其他的附图。
图1为本申请提供的折叠显示装置的一实施例的主视结构示意图；
图2为本申请提供的折叠显示装置的一实施例的后视结构示意图；
图3为本申请提供的折叠显示装置的另一实施例的主视结构示意图；
图4为本申请提供的折叠显示装置一实施例的在展平状态下的剖视图；
图5为本申请提供的折叠显示装置一实施例的在折叠状态下的剖视图。
附图标记：
100    显示器件
110    第一显示部                120连接部
130    第二显示部                140显示屏
150    触摸屏
200    支撑组件
210    第一支撑板
2100   第一避位槽                2110第一间隔槽
220    第二支撑板
2200   第二避位槽                2210第二间隔槽
230    挂靠件
300    书写板
310    第一分板                  320第二分板
400    转动组件
410    主链条                    420辅助链条
430    转轴
具体实施方式
为了使本申请所要解决的技术问题、技术方案及有益效果更加清楚明白，以下结合附图及实施例，对本申请进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本申请，并不用于限定本申请。
需要说明的是，当元件被称为“固定于”或“设置于”另一个元件，它可以直接在另一个元件上或者间接在该另一个元件上。当一个元件被称为是“连接于”另一个元件，它可以是直接连接到另一个元件或间接连接至该另一个元件上。
需要理解的是，术语“长度”、“宽度”、“前”、“后”、“竖直”、“水平”、“顶”、“底”“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本申请的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
请一并参阅图1及图2，现对本申请提供的折叠显示装置进行说明。折叠显示装置，包括显示器件100、支撑组件200以及书写板300。
其中，显示器件100具有用于显示画面的显示面，显示器件100沿显示面延伸方向包括依次连接的第一显示部110、连接部120及第二显示部 130，至少连接部120能够弯曲，显示器件100具有第一显示部110、连接部120及第二显示部130均位于同一平面的展平状态以及第一显示部110与第二显示部130呈小于180°的夹角设置的折叠状态。
具体地，该显示器件100由显示屏140和触摸屏150组成，并且该显示屏140和触摸屏150均为柔性屏，显示屏140与第一支撑板210和第二支撑板220连接，用于显示图像信息，此处的图像信息可以为文字信息、动画信息、图片信息或数字信息。
可选地，显示屏140为AMOLED(Active-matrix organic light-emitting diode，有源矩阵有机发光二极体或主动矩阵有机发光二极体)显示屏140，AMOLED显示屏140的基础是有机物发光体。其中，成千上万个只能发出红、绿或蓝色这三者颜色之中的一种的光源被以一种特定的形式安放在显示屏140的基板上，这些发光体在被施加电压的时候会发出红、绿或者蓝色。这其中，电压的变换同样需要依靠TFT(Thin Film Transistor，薄膜晶体管)，在调节三原色的比例之后，才能发出各种颜色。相较于传统的LCD(Liquid Crystal Display，液晶显示器)显示屏，AMOLED显示屏的屏幕非常薄，并且可以在屏幕中集成触摸层、AMOLED自发光，单个像素在显示黑色时下不工作，显示深色时低功耗。所以AMOLED在深色下省电，并且具有传统LCD几百倍的对比度，还不会漏光、柔韧性好，不易损坏并且色域非常广。
在一实施例中，触摸屏150从外到内由厚度为50/70um的玻璃面板、OCA(Optically Clear Adhesive)胶材、柔性导电薄膜、OCA胶材以及柔性导电薄膜组成，该触摸屏150用于用户触摸操作以改变显示屏140显示的图像信息。
支撑组件200包括连接于第一显示部110背向显示面的一侧的第一支撑板210以及连接于第二显示部130背向显示面的一侧的第二支撑板220， 第一支撑板210用于支撑第一显示部110，第二支撑板220用于支撑第二显示部130。
书写板300固定连接于第一支撑板210并用于书写。具体地，该书写板300可以为传统的黑板、塑料黑白板或者其它任何能够达到书写效果的板状结构均在本申请所考虑的范围之内。
本申请提供的折叠显示装置，与现有技术相比，本申请折叠显示装置包括一个显示器件100，该显示器件100具有第一显示部110、第二显示部130以及可弯曲的连接部120，并且在第一显示部110的背部连接有第一支撑板210，在第二显示部130的背部连接有第二支撑板220，其中，在第一支撑板210上连接有书写板300，当折叠显示装置处于断电状态时，通过弯曲连接部120，第一支撑板210和第二支撑板220实现相对转动，直至用户看到书写板300并得以在书写板300上书写，以便进行教学任务或者展示任务。
请一并参阅图1至图3，作为本申请提供的折叠显示装置的一种具体实施方式，书写板300包括第一分板310，第一分板310连接于第一支撑板210背向显示面的一侧。具体地，第一分板310的尺寸小于第一显示部110的尺寸，并且第一分板310的板边与第一显示部110的边缘平齐设置。当折叠显示装置断电的情况下，折叠第一显示部110，能够将连接于第一支撑板210背部的第一分板310折叠至正面，以供用户在第一分板310上进行书写。
请参阅图1至图3，作为本申请提供的折叠显示装置的一种具体实施方式，书写板300包括第二分板320，第二分板320连接于第二支撑板220朝向第一支撑板210的一端，第二分板320具有朝向显示器件100的书写面。书写面能够在显示器件100处于展平状态时贴合于第一支撑板210，在显示器件100处于折叠状态时与第一支撑板210间隔设置。通过在第二 支撑板220上连接第二分板320，在显示器件100处于折叠状态时，第二分板320与第一分板310能够沿着显示器件100的长度方向并列排布，相较于只在第一支撑板210上连接第一分板210，增加的第二分板220能够增大书写板300的面积，进一步提高了用户的使用体验。
需要说明的是，第一分板310粘接于第一支撑板210上，或者第一分板310可拆卸连接于第一支撑板210上。
请参阅图4及图5，作为本申请提供的折叠显示装置的一种具体实施方式，折叠显示装置还包括连接于第一支撑板210及第二支撑板220的转动组件400，第一支撑板210与第二支撑板220能够通过转动组件400实现转动连接，转动组件400包括主链条410，第一支撑板210于其朝向第二支撑板220的端面开设有第一避位槽2100，主链条410连接于第一避位槽2100的槽底及第二支撑板220，主链条410与第一避位槽2100背向显示器件100的槽壁间隔设置。在连接部120弯曲，第一显示部110和第二显示部130发生相对转动时，主链条410也随之弯曲。其中，第一避位槽2100的设置为主链条410的弯曲提供了避让空间，使得主链条410的一部分在第一避位槽2100内发生弯曲变形，并使得主链条410上受到弯曲应力的面积更大，避免了主链条410在长时间折叠重压下由于受力面积过小而发生死折现象。需要说明的是，主链条410能够对第一显示部110和第二显示部130的连接起到支撑作用，同时链条状结构只能发生单一方向的弯曲。在本实施例中，主链条410只能在垂直于显示面的平面进行弯曲变形，而不会发生在平行于显示面的平面上的弯曲变形，这样主链条410便能够在平行于显示面的方向上对连接部120提供足够的支撑力，使得第一显示部110和第二显示部120在处于展平状态时，第一显示部110和第二显示部120在平行于显示面的方向上不会发生错位，避免了其出现波浪形变。
在另一实施例中，第二支撑板220于其朝向第一支撑板210的端面开设有第二避位槽2200，主链条410连接于第一支撑板210及第二避位槽2200的槽底，主链条410还与第二避位槽2200背向显示器件100的槽壁间隔设置。在连接部120弯曲，第一显示部110和第二显示部130发生相对转动时，主链条410也随之弯曲。其中，第二避位槽2200的设置为主链条410的弯曲提供了避让空间，使得主链条410的一部分在第二避位槽2200内发生弯曲变形，并使得主链条410上受到弯曲应力的面积更大，避免了主链条410在长时间折叠重压下由于受力面积过小而发生死折现象。需要说明的是，主链条410能够对第一显示部110和第二显示部130的连接起到支撑作用，同时链条状结构只能发生单一方向的弯曲。在本实施例中，主链条410只能在垂直于显示面的平面进行弯曲变形，而不会发生在平行于显示面的平面上的弯曲变形，这样主链条410便能够在平行于显示面的方向上对连接部120提供足够的支撑力，使得第一显示部110和第二显示部120在处于展平状态时，第一显示部110和第二显示部120在平行于显示面的方向上不会发生错位，避免了其出现波浪形变。
可选地，第一支撑板210开设有第一避位槽2100且第二支撑板220开设有第二避位槽2200，第一避位槽2100与第二避位槽2200正对设置。分别在第一支撑板210上开设第一避位槽2100，在第二支撑板220上开设第二避位槽2200，增大了主链条410的避位空间，主链条410上受到弯曲应力的面积更大，进一步避免了主链条410在长时间折叠重压下由于受力面积过小而发生死折现象。
请参阅图4及图5，作为本申请提供的折叠显示装置的一种具体实施方式，转动组件400还包括辅助链条420，辅助链条420与主链条410间隔设置；第一避位槽2100贯通至第一支撑板210朝向显示器件100的一侧，辅助链条420连接于显示器件100背向显示面的侧面并与第一支撑板210 及第二支撑板220连接。通过将第一避位槽2100贯通至第一支撑板210朝向显示器件100的一侧，给辅助链条420留出了避让空间，使得辅助链条420在发生弯曲时，弯曲处的受力面积更大，避免辅助链条420在长时间弯曲下由于受力面积过小而发生死折现象。
在另一实施例中，第二避位槽2200贯通至第二支撑板220朝向显示器件100的一侧，辅助链条420与主链条410间隔设置，辅助链条420连接于显示器件100背向显示面的侧面并与第二支撑板220及第一支撑板210连接。通过将第二避位槽2200贯通至第二支撑板220朝向显示器件100的一侧，给辅助链条420留出了避让空间，使得辅助链条420在发生弯曲时，弯曲处的受力面积更大，避免辅助链条420在长时间弯曲下由于受力面积过小而发生死折现象。
可选地，转动组件400还包括辅助链条420，第一避位槽2100贯通至第一支撑板210朝向显示器件100的一侧，第二避位槽2200贯通至第二支撑板220朝向显示器件100的一侧，辅助链条420与主链条410间隔设置，辅助链条420连接于显示器件100背向显示面的侧面并与第一避位槽2100的槽底及第二避位槽2200的槽底连接。通过将第一避位槽2100贯通至第一支撑板210朝向显示器件100的一侧，将第二避位槽2200贯通至第二支撑板220朝向显示器件100的一侧，给辅助链条420留出了更大的避让空间，使得辅助链条420在发生弯曲时，弯曲处的受力面积更大，更加有利于避免辅助链条420在长时间弯曲下由于受力面积过小而发生死折现象。
上述通过在显示器件100背向显示面的侧面设置辅助链条420并且该辅助链条420与第一支撑板210和第二支撑板220连接。其中，辅助链条420与显示器件100贴紧连接，在第一显示部110和第二显示部130处于展平状态时，该辅助链条420能够对第一显示部110和第二显示部130提供一定的支撑力，防止了第一支撑板210和第二支撑板220由于支撑力不足， 第一显示部110和第二显示部130发生逆向折叠的情况出现，保证了显示器件100在展平状态下的平面度，并且该辅助链条420能够一定程度防止显示器件100出现死折，从而影响画质。
请参阅图4及图5，作为本申请提供的折叠显示装置的一种具体实施方式，转动组件400包括至少一个转轴430，转轴430连接于主链条410和辅助链条420并用于支撑主链条410和辅助链条420，使得主链条410和辅助链条420的稳定性更好。主链条410的弯曲极限为贴合盘绕于转轴430周向外表面，而转轴430截面呈圆形或椭圆形，防止主链条410出现折角，进一步防止死折，转轴430的径长还限制了主链条410发生的弯曲程度。需要说明的是，转轴430与第一支撑板210和第二支撑板220间隔设置，具体地，转轴430与第一避位槽2100的槽底或者与第二避位槽2200的槽底间隔设置，或者，转动轴430与第一避位槽2100的槽底和第二避位槽2200的槽底间隔设置，如此设置，给主链条410留出了避让空间，利于防止死折。
请参阅图4及图5，作为本申请提供的折叠显示装置的一种具体实施方式，转轴430设有两个，两转轴430间隔设置并沿主链条410延伸方向排布，具体地，该显示器件100具有一折叠线，两个转轴430沿该折叠线所在的面对称设置。将转轴430设为两个，减小了弯曲后的主链条410与转轴430相接触的圆心角大小，同时也减小了辅助链条420与转轴430相接触的圆心角大小，进一步防止了主链条410和辅助链条420出现死角。
请参阅图4及图5，作为本申请提供的折叠显示装置的一种具体实施方式，第一避位槽2100的槽底开设有第一间隔槽2110，第一间隔槽2110贯通至第一支撑板210朝向显示器件100的一侧，辅助链条420连接于第一间隔槽2110的槽底。在第一避位槽2100的槽底开设第一间隔槽2110，在显示器件100开设发生折叠时，该第一间隔槽2110能够给显示器件100 提供避让空间，显示器件100在发生折叠时，显示器件100上受到弯曲应力的面积更大，避免了显示器件100在长时间折叠重压下由于受力面积过小而发生死折现象。转轴430与第一间隔槽2110的槽底及第二支撑板220间隔设置，增大了第一间隔槽2110给辅助铰链420留出的避位空间。
请参阅图4及图5，作为本申请提供的折叠显示装置的一种具体实施方式，第二避位槽2200的槽底开设有第二间隔槽2210，第二间隔槽2210贯通至第二支撑板220朝向显示器的一侧，辅助链条420连接于第二间隔槽2210的槽底。在第一避位槽2100的基础上又在第二避位槽2200的槽底开设第二间隔槽2210，在显示器件100开设发生折叠时，该第二间隔槽2210能够给显示器件100提供避让空间，显示器件100在发生折叠时，显示器件100的折叠受力面积更大，更加有效的避免了显示器件100在长时间折叠重压下由于受力面积过小发生死折现象，保证了显示器件100的结构稳定性。转轴430与第二间隔槽2210的槽底及第一支撑板220间隔设置，增大了第一间隔槽2110给辅助铰链420留出的避位空间。
请参阅图2，作为本申请提供的折叠显示装置的一种具体实施方式，支撑组件200还包括连接于第二支撑板220背部的挂靠件230，该挂靠件230用于将显示器件100悬挂安装在墙上，结构简单，方便用户使用。
以上仅为本申请的较佳实施例而已，并不用以限制本申请，凡在本申请的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本申请的保护范围之内。

Claims (13)

  1. 一种折叠显示装置，包括：
    显示器件，具有用于显示画面的显示面，所述显示器件沿所述显示面延伸方向包括依次连接的第一显示部、连接部及第二显示部，至少所述连接部能够弯曲，所述显示器件具有所述第一显示部、所述连接部及所述第二显示部均位于同一平面的展平状态以及所述第一显示部与所述第二显示部呈小于180°的夹角设置的折叠状态；
    支撑组件，包括连接于所述第一显示部背向所述显示面的一侧的第一支撑板以及连接于所述第二显示部背向所述显示面的一侧的第二支撑板，所述第一支撑板用于支撑所述第一显示部，所述第二支撑板用于支撑所述第二显示部；
    书写板，固定连接于所述第一支撑板并用于书写。
  2. 如权利要求1所述的折叠显示装置，其中，所述书写板包括第一分板，所述第一分板连接于所述第一支撑板背向所述显示面的一侧。
  3. 如权利要求2所述的折叠显示装置，其中，所述书写板包括第二分板，所述第二分板连接于所述第二支撑板朝向所述第一支撑板的一端，所述书写板具有朝向所述显示器件的书写面，所述书写面能够在所述显示器件处于所述展平状态时贴合于所述第一支撑板，在所述显示器件处于所述折叠状态时与所述第一支撑板间隔设置。
  4. 如权利要求3所述的折叠显示装置，其中，所述折叠显示装置还包括连接于所述第一支撑板及第二支撑板的转动组件，所述第一支撑板与所述第二支撑板能够通过所述转动组件实现转动连接，所述转动组件包括主链条；
    所述第一支撑板于其朝向所述第二支撑板的端面开设有第一避位槽，所述主链条连接于所述第一避位槽的槽底及所述第二支撑板，所述主链条与所述第一避位槽背向所述显示器件的槽壁间隔设置。
  5. 如权利要求4所述的折叠显示装置，其中，所述转动组件还包括辅助链条，所述辅助链条与所述主链条间隔设置；
    所述第一避位槽贯通至所述第一支撑板朝向所述显示器件的一侧，所述辅助链条连接于所述显示器件背向所述显示面的侧面并与所述第一支撑板及所述第二支撑板连接。
  6. 如权利要求3所述的折叠显示装置，其中，所述折叠显示装置还包括连接于所述第一支撑板及第二支撑板的转动组件，所述第一支撑板与所述第二支撑板能够通过所述转动组件实现转动连接，所述转动组件包括主链条；
    所述第二支撑板于其朝向所述第一支撑板的端面开设有第二避位槽，所述主链条连接于所述第一支撑板及第二避位槽的槽底，所述主链条还与所述第二避位槽背向所述显示器件的槽壁间隔设置。
  7. 如权利要求6所述的折叠显示装置，其中，所述转动组件还包括辅助链条，所述辅助链条与所述主链条间隔设置；
    所述第二避位槽贯通至所述第二支撑板朝向所述显示器件的一侧，所述辅助链条连接于所述显示器件背向所述显示面的侧面并与所述第一支撑板及所述第二支撑板连接。
  8. 如权利要求5所述的折叠显示装置，其中，所述转动组件包括至少一个转轴，所述转轴连接于所述主链条和所述辅助链条，并位于所述主链条和所述辅助链条之间，所述转轴用于支撑所述主链条和所述辅助链条，所述转轴与所述第一支撑板及所述第二支撑板间隔设置。
  9. 如权利要求7所述的折叠显示装置，其中，所述转动组件包括至少一个转轴，所述转轴连接于所述主链条和所述辅助链条，并位于所述主链条和所述辅助链条之间，所述转轴用于支撑所述主链条和所述辅助链条，所述转轴与所述第一支撑板及所述第二支撑板间隔设置。
  10. 如权利要求8或9所述的折叠显示装置，其中，所述转轴设有两个，两所述转轴间隔设置并沿所述主链条延伸方向排布。
  11. 如权利要求8所述的折叠显示装置，其中，所述第一避位槽的槽底开设有第一间隔槽，所述第一间隔槽贯通至所述第一支撑板朝向所述显示器件的一侧，所述辅助链条连接于第一间隔槽的槽底，所述转轴与所述第一间隔槽的槽底及所述第二支撑板间隔设置。
  12. 如权利要求9任一项所述的折叠显示装置，其中，所述第二避位槽的槽底开设有第二间隔槽，所述第二间隔槽贯通至所述第二支撑板朝向所述显示器的一侧，所述辅助链条连接于所述第二间隔槽的槽底，所述转轴与所述第二间隔槽的槽底及所述第一支撑板间隔设置。
  13. 如权利要求12所述的折叠显示装置，其中，所述支撑组件还包括至少一个连接于所述第二支撑板背向所述第二显示部一侧的挂靠件，所述挂靠件用于悬挂安装所述折叠显示装置。
PCT/CN2020/110605 2020-04-24 2020-08-21 折叠显示装置 WO2021212709A1 (zh)

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US5305114A (en) * 1991-07-12 1994-04-19 Matsushita Electric Industrial Co., Ltd. Electronic blackboard apparatus
EP2160891A1 (en) * 2006-10-11 2010-03-10 Alston-hughes, Jonathan Elliott Digital reading device and method
WO2013098946A1 (ja) * 2011-12-27 2013-07-04 Ｎｅｃディスプレイソリューションズ株式会社 表示装置及びこれを備えた表示システム
CN105280099A (zh) * 2014-07-02 2016-01-27 Nlt科技股份有限公司 折叠式显示装置及电子设备
CN206322332U (zh) * 2016-08-30 2017-07-11 天津市府易科技有限公司 一种多功能教学一体机
CN208544006U (zh) * 2018-04-03 2019-02-26 卢翘楚 多功能黑板
CN109584723A (zh) * 2017-09-29 2019-04-05 乐金显示有限公司 可折叠显示装置
CN208827410U (zh) * 2018-08-28 2019-05-07 深圳市中银科技有限公司 一种可旋转折叠的智能黑板

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5305114A (en) * 1991-07-12 1994-04-19 Matsushita Electric Industrial Co., Ltd. Electronic blackboard apparatus
EP2160891A1 (en) * 2006-10-11 2010-03-10 Alston-hughes, Jonathan Elliott Digital reading device and method
WO2013098946A1 (ja) * 2011-12-27 2013-07-04 Ｎｅｃディスプレイソリューションズ株式会社 表示装置及びこれを備えた表示システム
CN105280099A (zh) * 2014-07-02 2016-01-27 Nlt科技股份有限公司 折叠式显示装置及电子设备
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CN109584723A (zh) * 2017-09-29 2019-04-05 乐金显示有限公司 可折叠显示装置
CN208544006U (zh) * 2018-04-03 2019-02-26 卢翘楚 多功能黑板
CN208827410U (zh) * 2018-08-28 2019-05-07 深圳市中银科技有限公司 一种可旋转折叠的智能黑板

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