WO2021217818A1 - 显示装置 - Google Patents
显示装置 Download PDFInfo
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- WO2021217818A1 WO2021217818A1 PCT/CN2020/096677 CN2020096677W WO2021217818A1 WO 2021217818 A1 WO2021217818 A1 WO 2021217818A1 CN 2020096677 W CN2020096677 W CN 2020096677W WO 2021217818 A1 WO2021217818 A1 WO 2021217818A1
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- WIPO (PCT)
- Prior art keywords
- reel
- flexible display
- display screen
- display device
- flexible
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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
- 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
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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
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
Definitions
- the present invention relates to the field of display technology, in particular to a display device.
- AMOLED Active matrix organic light-emitting diodes
- the crimping diameter of the crimpable flexible panel can be 10mm ⁇ 5mm, but because of the drive motherboard, battery and other accessories, the crimping technology breakthrough has not been achieved, which severely limits the application field of the crimped display panel. The industry predicts that the curl display will begin to be widely used after 2023.
- the object of the present invention is to provide a display device that can realize the curling of the flexible display screen while preventing partial peeling of the flexible display screen film layer.
- a display device includes: a flexible display screen; a first reel is arranged at one end of the flexible display screen and connected to the flexible display screen, and when the flexible display screen needs to be rolled, the first scroll A reel rotates so that the bottom surface of the flexible display screen is wrapped on the first reel; when the flexible display screen needs to be unrolled, the first reel rotates in the opposite direction to release the flexible display screen; second The reel is arranged at the other end of the flexible display screen and connected to the flexible display screen.
- the second reel is rotated so that the top surface of the flexible display screen is wrapped in the On the second reel; when the flexible display screen needs to be unrolled, the second reel rotates in reverse to release the flexible display screen.
- both the first reel and the second reel rotate counterclockwise and approach the middle part of the flexible display screen at the same time; when the flexible display screen needs to be unfolded , The first reel and the second reel both rotate clockwise, and at the same time are far away from the middle part of the flexible display screen.
- the display device is characterized by further comprising: an auxiliary shaft, which is provided between the second reel and the flexible display screen, and the flexible display screen is connected to the second reel via the auxiliary shaft.
- auxiliary shaft is located below the flexible display screen and is in contact with the bottom surface of the flexible display screen.
- the steering of the auxiliary shaft is opposite to that of the second reel.
- first reel and the second reel are driven by a driving motor.
- the display device further includes: a casing arranged below the flexible display screen; the casing includes a circuit board, a power battery, a signal transmitting module, and a storage module.
- the display device further includes: a control system integrated on the circuit board to control the first reel and the second reel to work simultaneously; when the display device is folded, the control system The system controls the first reel and the second reel to simultaneously roll part of the flexible display screen; when the display device is rolled out, the control system controls the first reel and the second reel to roll out at the same time Part of the flexible display screen.
- a control system integrated on the circuit board to control the first reel and the second reel to work simultaneously; when the display device is folded, the control system The system controls the first reel and the second reel to simultaneously roll part of the flexible display screen; when the display device is rolled out, the control system controls the first reel and the second reel to roll out at the same time Part of the flexible display screen.
- the display device further includes: a first reel box for accommodating the first reel; and a second reel box for accommodating the second reel.
- the flexible display screen is an OLED display panel or an AMOLED display panel.
- the present invention provides a display device.
- the curling length between the layers of the flexible display screen laminated film caused by the increase in the number of curling turns during folding can be effectively alleviated.
- one end of the inner roll can reduce the stress generated at one end of the outer roll, thereby preventing the film layer from falling off, which is beneficial to increase the service life of the flexible display screen.
- Fig. 1 is a schematic diagram of the structure of the prior art crimping device when crimping.
- FIG. 2 is a schematic diagram of the structure of the display device provided by the present invention in a folded state.
- FIG. 3 is a schematic structural diagram of the unfolded state of the display device provided by the present invention.
- Figure 4 is a schematic diagram of the internal structure of the housing provided by the present invention.
- connection should be understood in a broad sense, unless otherwise clearly specified and limited.
- it can be a support connection or a detachable connection. Connected or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components.
- connection can be a support connection or a detachable connection. Connected or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components.
- Embodiment 1 of the present invention provides a display device 100 including: a flexible display screen 101, a first reel 102, a second reel 103, a first reel box 107 and a second reel box 108.
- the flexible display screen 101 is an OLED display panel or an AMOLED display panel.
- the flexible display screen 101 has a curling characteristic.
- the first reel 102 is provided at one end of the flexible display 101 and is connected to the flexible display 101.
- the first reel 102 rotates, so that the flexible display 101
- the bottom surface of 101 is wrapped on the first reel 102; when the flexible display 101 needs to be unrolled, the first reel 102 rotates in the opposite direction to release the flexible display 101.
- the first reel 102 is installed in the first reel box 107.
- the second reel 103 is arranged at the other end of the flexible display 101 and is connected to the flexible display 101.
- the second reel 103 rotates, so that the flexible display
- the top surface of the screen 101 is wrapped on the second reel 103; when the flexible display 101 needs to be unrolled, the second reel 103 rotates in the opposite direction to release the flexible display.
- the second reel 103 is installed in the second reel box 108.
- both the first reel 102 and the second reel 102 rotate counterclockwise and approach the middle part of the flexible display screen 101 at the same time;
- both the first reel 102 and the second reel 103 rotate clockwise and at the same time move away from the middle part of the flexible display screen 101.
- the first reel 102 and the second reel 103 are driven by a driving motor.
- the first reel 102 and the second reel 103 When the display device 100 is folded, the first reel 102 and the second reel 103 simultaneously roll the flexible display screen 101; when the display device 100 is unfolded, the first reel 102 and the second reel 103 The two reels 103 simultaneously unroll the flexible display screen 101.
- the display device 100 further includes an auxiliary shaft 104, the auxiliary shaft 104 is provided between the second reel 103 and the flexible display screen 101, and the flexible display screen 101 is connected to the flexible display screen 101 via the auxiliary shaft 104.
- the second reel 103 The second reel 103.
- the auxiliary shaft 104 is located below the flexible display screen 101 and is in contact with the bottom surface of the flexible display screen 101.
- the auxiliary shaft 104 is used to assist the second reel 103 to roll the flexible display 101 to prevent the flexible display 101 from being torn or torn; the auxiliary shaft 104 and the second reel 103 rotate in opposite directions.
- the second reel 103 rotates counterclockwise, and the auxiliary shaft 104 rotates clockwise.
- the second reel 103 rotates clockwise, and the auxiliary shaft 104 rotates counterclockwise.
- two reels one for the outer roll and the other for the inner roll, can effectively alleviate the problem that the curl length difference between the flexible display 101 laminated film layers increases as the number of curling turns increases during folding.
- the film layers can be prevented from falling off, which is beneficial to increase the service life of the flexible display screen 101.
- the number of curling turns of the flexible display 101 can be reduced, thereby preventing the difference in the curling length from becoming larger, and One end of the roll can reduce the stress generated at one end of the outer roll and prevent the film from peeling off.
- the so-called outer roll is that the top surface of the flexible display screen 101 is wrapped on a reel
- the so-called inner roll is that the bottom surface of the flexible display screen 101 is wrapped on the reel.
- the display device 100 further includes a housing 106, and the housing 106 is disposed under the flexible display screen 101.
- the housing 106 includes a circuit board (PCB), a power battery, a signal transmission module, and a storage module.
- PCB circuit board
- the circuit board integrates a control system, and the control system is used to control the first reel 102 and the second reel 103 to work at the same time.
- the control system controls the first reel 102 and the second reel 103 to simultaneously roll part of the flexible display screen 101.
- the control system transmits signals to the first reel 102 and the second reel 103 through a signal transmission module.
- control system controls the first reel 102 and the second reel 103 to unroll part of the flexible display screen 101 at the same time.
- the present invention provides a display device 100.
- arranging reels at both ends of the flexible display screen 101 it can effectively alleviate that the curling length difference between the laminated film layers of the flexible display screen 101 becomes larger as the number of curling turns increases during folding.
- one end of the inner roll can reduce the stress generated at one end of the outer roll, thereby preventing the film layers from falling off, which is beneficial to increase the service life of the flexible display screen 101.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
一种显示装置（100），通过在柔性显示屏（101）的两端设置卷轴（102，103），可以有效缓解折叠时随着卷曲圈数增加导致柔性显示屏（101）叠构膜层间卷曲长度差异越来越大的问题，并且内卷的一端可以减小外卷一端所产生的应力，进而可以防止膜层之间的脱落，有利于增加柔性显示屏（101）的使用寿命。
Description
本发明涉及显示技术领域，特别是一种显示装置。
主动矩阵有机发光二极体（AMOLED）因高对比度，可视角度广以及响应速度快、可柔性等特点有望取缔液晶成为下一代显示器主流选择。
目前可卷曲柔性面板的卷曲直径可以做到10mm~5mm ，但是由于驱动主板、电池等配件并未实现卷曲技术突破，严重限制卷曲显示面板应用领域。业内专业预估2023年后卷曲显示开始广泛应用。
但是， 由于一个卷曲屏随着卷曲圈数增加，面板叠构膜层间卷曲厚度增加，内外面板膜层应力差异越来越大（外圈的膜层应力较大，内圈的膜层应力较小），如图1所示，当卷曲范围未达到整个面板的的100% 长度时还会发生局部剥落。
本发明的目的，提供一种显示装置，可以实现柔性显示屏卷曲的同时，防止柔性显示屏膜层的局部剥落。
为了达到上述目的，一种显示装置，包括：柔性显示屏；第一卷轴，设于所述柔性显示屏的一端并连接所述柔性显示屏，当所述柔性显示屏需要卷曲时，所述第一卷轴转动，使得所述柔性显示屏的底面包裹于所述第一卷轴上；当所述柔性显示屏需要展开时，所述第一卷轴反向转动，以释放所述柔性显示屏；第二卷轴，设于所述柔性显示屏的另一端并连接所述柔性显示屏，当所述柔性显示屏需要卷曲时，所述第二卷轴转动，使得所述柔性显示屏顶面的包裹于所述第二卷轴上；当所述柔性显示屏需要展开时，所述第二卷轴反向转动，以释放所述柔性显示屏。
进一步地，当所述柔性显示屏需要卷曲时，所述第一卷轴与所述第二卷轴均逆时针转动，并同时靠近所述柔性显示屏的中间部位；当所述柔性显示屏需要展开时，所述第一卷轴与所述第二卷轴均顺时针转动，并同时远离所述柔性显示屏的中间部位。
进一步地，显示装置，其特征在于，还包括：辅助轴，设于所述第二卷轴与所述柔性显示屏之间，所述柔性显示屏经过所述辅助轴连接至所述第二卷轴。
进一步地，所述辅助轴位于所述柔性显示屏的下方并与柔性显示屏的底面形成接触。
进一步地，所述辅助轴与所述第二卷轴的转向相反。
进一步地，所述第一卷轴与所述第二卷轴通过一驱动电机进行驱动。
进一步地，所述显示装置还包括：壳体，设于所述柔性显示屏的下方；所述壳体中包括电路板、电源电池、信号发射模块以及存储模块。
进一步地，所述显示装置还包括：控制系统，集成于所述电路板上，用以控制所述第一卷轴以及所述第二卷轴同时进行工作；当所述显示装置折叠时，所述控制系统控制所述第一卷轴以及所述第二卷轴同时卷曲部分所述柔性显示屏；当所述显示装置铺开时，所述控制系统控制所述第一卷轴以及所述第二卷轴同时铺开部分所述柔性显示屏。
进一步地，所述的显示装置还包括：第一卷轴盒，容纳所述第一卷轴；第二卷轴盒，容纳所述第二卷轴。
进一步地，所述柔性显示屏为OLED显示面板或AMOLED显示面板。
本申请的有益效果为：本发明提供一种显示装置，通过在柔性显示屏的两端设置卷轴，可以有效缓解折叠时随着卷曲圈数增加所导致的柔性显示屏叠构膜层间卷曲长度差异，并且内卷的一端可以减小外卷一端所产生的应力，进而可以防止膜层之间的脱落，有利于增加柔性显示屏的使用寿命。
下面结合附图，通过对本申请的具体实施方式详细描述，将使本申请的技术方案及其它有益效果显而易见。
图1为现有技术卷曲装置卷曲时的结构示意图。
图2为本发明提供的显示装置折叠状态的结构示意图。
图3为本发明提供的显示装置展开状态的结构示意图。
图4为本发明提供的壳体内部的结构示意图。
显示装置100；
柔性显示屏101；第一卷轴102；第二卷轴103；
第一卷轴盒107；第二卷轴盒108；壳体106；
辅助轴104。
这里所公开的具体结构和功能细节仅仅是代表性的，并且是用于描述本申请的示例性实施例的目的。但是本申请可以通过许多替换形式来具体实现，并且不应当被解释成仅仅受限于这里所阐述的实施例。
在本申请的描述中，需要理解的是，术语“中心”、“横向”、“上”、“下”、“左”、“右”、“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，除非另有说明，“多个”的含义是两个或两个以上。另外，术语“包括”及其任何变形，意图在于覆盖不排他的包含。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是支撑连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本申请中的具体含义。
这里所使用的术语仅仅是为了描述具体实施例而不意图限制示例性实施例。除非上下文明确地另有所指，否则这里所使用的单数形式“一个”、“一项”还意图包括复数。还应当理解的是，这里所使用的术语“包括”和/或“包含”规定所陈述的特征、整数、步骤、操作、单元和/或组件的存在，而不排除存在或添加一个或更多其他特征、整数、步骤、操作、单元、组件和/或其组合。
如图2以及图3所示，本发明实施例1提供一种显示装置100，包括：柔性显示屏101、第一卷轴102、第二卷轴103、第一卷轴盒107以及第二卷轴盒108。
所述柔性显示屏101为OLED显示面板或AMOLED显示面板。所述柔性显示屏101具有卷曲特性。
所述第一卷轴102设于所述柔性显示屏101的一端并连接所述柔性显示屏101，当所述柔性显示屏101需要卷曲时，所述第一卷轴102转动，使得所述柔性显示屏101的底面包裹于所述第一卷轴上102；当所述柔性显示屏101需要展开时，所述第一卷轴102反向转动，以释放所述柔性显示屏101。
所述第一卷轴102安装于所述第一卷轴盒107内。
所述第二卷轴103设于所述柔性显示屏101的另一端并连接所述柔性显示屏101，当所述柔性显示屏101需要卷曲时，所述第二卷轴103转动，使得所述柔性显示屏101的顶面包裹于所述第二卷轴103上；当所述柔性显示屏101需要展开时，所述第二卷轴103反向转动，以释放所述柔性显示屏。
所述第二卷轴103安装于所述第二卷轴盒108内。
具体地，当所述柔性显示屏101需要卷曲时，所述第一卷轴102与所述第二卷轴102均逆时针转动，并同时靠近所述柔性显示屏101的中间部位；
当所述柔性显示屏需101要展开时，所述第一卷轴102与所述第二卷轴103均顺时针转动，并同时远离所述柔性显示屏101的中间部位。
所述第一卷轴102与所述第二卷轴103通过一驱动电机进行驱动。
当所述显示装置100折叠时，所述第一卷轴102与所述第二卷轴103同时卷曲所述柔性显示屏101；当所述显示装置100展开时，所述第一卷轴102与所述第二卷轴103同时铺开所述柔性显示屏101。
所述显示装置100还包括辅助轴104，所述辅助轴104设于所述第二卷轴103与所述柔性显示屏101之间，所述柔性显示屏101经过所述辅助轴104连接至所述第二卷轴103。
所述辅助轴104位于所述柔性显示屏101的下方并与柔性显示屏101的底面形成接触。
所述辅助轴104用来辅助第二卷轴103卷曲所述柔性显示屏101，能防止所述柔性显示屏101被撕扯或撕裂；所述辅助轴104与所述第二卷轴103的转向相反。
具体地，当所述柔性显示屏101需要卷曲时，所述第二卷轴103逆时针转动，而所述辅助轴104则顺时针转动。当所述柔性显示屏101要展开时，所述第二卷轴103顺时针转动，而所述辅助轴104则逆时针转动。
这样可以通过设置两个卷轴，一个用外卷，另一个用内卷，可以有效缓解折叠时随着卷曲圈数增加，柔性显示屏101叠构膜层间卷曲长度差异越来越大的问题，进而可以防止膜层之间的脱落， 有利于增加柔性显示屏101的使用寿命。
也就是说，通过设置两个卷轴，两个卷轴分别从柔性显示屏101的两端同时卷曲柔性显示屏101，可以减少柔性显示屏101的卷曲圈数，从而防止卷曲长度差异变大，并且内卷的一端可以减小外卷一端所产生的应力，防止膜层的剥落。
所谓的外卷就是所述柔性显示屏101的顶面包裹于卷轴上，所谓的内卷就是所述柔性显示屏101的底面包裹于卷轴上。
同时参照图2以及图4所示，所述显示装置100还包括一壳体106，所述壳体106设于所述柔性显示屏101的下方。如图2所示，所述壳体106中包括电路板（PCB）、电源电池、信号发射模块以及存储模块。
所述电路板集成一控制系统，所述控制系统用以控制所述第一卷轴102以及所述第二卷轴103同时进行工作。
当所述显示装置100折叠时，所述控制系统控制所述第一卷轴102以及所述第二卷轴103同时卷曲部分所述柔性显示屏101。所述控制系统通过信号发射模块发射信号至第一卷轴102以及所述第二卷轴103。
当所述显示装置100铺开时，所述控制系统控制所述第一卷轴102以及所述第二卷轴103同时铺开部分所述柔性显示屏101。
本发明提供一种显示装置100，通过在柔性显示屏101的两端设置卷轴，可以有效缓解折叠时随着卷曲圈数增加，柔性显示屏101叠构膜层间卷曲长度差异越来越大，并且内卷的一端可以减小外卷一端所产生的应力，进而可以防止膜层之间的脱落， 有利于增加柔性显示屏101的使用寿命。
综上所述，虽然本申请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申请，本领域的普通技术人员，在不脱离本申请的精神和范围内，均可作各种更动与润饰，因此本申请的保护范围以权利要求界定的范围为准。
Claims (10)
- 一种显示装置，其中，包括：柔性显示屏；第一卷轴，设于所述柔性显示屏的一端并连接所述柔性显示屏，当所述柔性显示屏需要卷曲时，所述第一卷轴转动，使得所述柔性显示屏的底面包裹于所述第一卷轴上；当所述柔性显示屏需要展开时，所述第一卷轴反向转动，以释放所述柔性显示屏；第二卷轴，设于所述柔性显示屏的另一端并连接所述柔性显示屏，当所述柔性显示屏需要卷曲时，所述第二卷轴转动，使得所述柔性显示屏顶面的包裹于所述第二卷轴上；当所述柔性显示屏需要展开时，所述第二卷轴反向转动，以释放所述柔性显示屏。
- 如权利要求1所述的显示装置，其中，当所述柔性显示屏需要卷曲时，所述第一卷轴与所述第二卷轴均逆时针转动，并同时靠近所述柔性显示屏的中间部位；当所述柔性显示屏需要展开时，所述第一卷轴与所述第二卷轴均顺时针转动，并同时远离所述柔性显示屏的中间部位。
- 如权利要求1所述的显示装置，其中，还包括：辅助轴，设于所述第二卷轴与所述柔性显示屏之间，所述柔性显示屏经过所述辅助轴连接至所述第二卷轴。
- 如权利要求3所述的显示装置，其中，所述辅助轴位于所述柔性显示屏的下方并与柔性显示屏的底面形成接触。
- 如权利要求4所述的显示装置，其中，所述辅助轴与所述第二卷轴的转向相反。
- 如权利要求1所述的显示装置，其中，所述第一卷轴与所述第二卷轴通过一驱动电机进行驱动。
- 如权利要求1所述的显示装置，其中，还包括：壳体，设于所述柔性显示屏的下方；所述壳体中包括电路板、电源电池、信号发射模块以及存储模块。
- 如权利要求7所述的显示装置，其特征在于，还包括：控制系统，集成于所述电路板上，用以控制所述第一卷轴以及所述第二卷轴同时进行工作；当所述显示装置折叠时，所述控制系统控制所述第一卷轴以及所述第二卷轴同时卷曲所述柔性显示屏；当所述显示装置铺开时，所述控制系统控制所述第一卷轴以及所述第二卷轴同时铺开所述柔性显示屏。
- 如权利要求1所述的显示装置，其中，还包括：第一卷轴盒，容纳所述第一卷轴；第二卷轴盒，容纳所述第二卷轴。
- 如权利要求1所述的显示装置，其中，所述柔性显示屏为OLED显示面板或AMOLED显示面板。
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| CN112396962B (zh) * | 2020-11-16 | 2022-11-01 | 京东方科技集团股份有限公司 | 卷曲显示装置、控制柔性显示屏卷曲的方法及电子设备 |
| CN112331085B (zh) * | 2020-11-20 | 2023-07-18 | 京东方科技集团股份有限公司 | 一种柔性屏显示装置 |
| CN112435579B (zh) * | 2020-11-24 | 2022-11-15 | 京东方科技集团股份有限公司 | 显示装置及其弯折方法 |
| CN113066381A (zh) * | 2021-03-29 | 2021-07-02 | 京东方科技集团股份有限公司 | 一种显示屏保护装置及显示设备 |
| CN113160709A (zh) * | 2021-04-12 | 2021-07-23 | 维沃移动通信有限公司 | 显示屏组件和电子设备 |
| CN113936561B (zh) * | 2021-11-05 | 2023-11-10 | 合肥维信诺科技有限公司 | 卷曲终端 |
| CN113888985B (zh) * | 2021-11-05 | 2024-01-30 | 云谷（固安）科技有限公司 | 显示装置 |
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| US11955035B2 (en) | 2024-04-09 |
| CN111508363A (zh) | 2020-08-07 |
| US20230094116A1 (en) | 2023-03-30 |
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