WO2022160878A1 - 显示装置以及显示设备 - Google Patents

显示装置以及显示设备 Download PDF

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Publication number
WO2022160878A1
WO2022160878A1 PCT/CN2021/131600 CN2021131600W WO2022160878A1 WO 2022160878 A1 WO2022160878 A1 WO 2022160878A1 CN 2021131600 W CN2021131600 W CN 2021131600W WO 2022160878 A1 WO2022160878 A1 WO 2022160878A1
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WO
WIPO (PCT)
Prior art keywords
casing
display device
curling
display screen
rigid support
Prior art date
Application number
PCT/CN2021/131600
Other languages
English (en)
French (fr)
Inventor
高彪
刘陆
朱红
韩子昂
王宗元
罗晓飞
Original Assignee
京东方科技集团股份有限公司
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Application filed by 京东方科技集团股份有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US17/801,270 priority Critical patent/US20230098597A1/en
Publication of WO2022160878A1 publication Critical patent/WO2022160878A1/zh

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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
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/301—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

Definitions

  • the present disclosure relates to, but is not limited to, the field of display technology, and in particular, to a display device and a display device.
  • the flexible display screen can be used to fold and bend the screen to a certain extent, and then a technology to realize the extension and expansion of the terminal display screen through the scroll function has been developed;
  • a stretchable or slidable display device the fixed plate is provided with a sliding plate that can be translated and stretched relative to the fixed plate, and the flexible display screen is arranged on the fixed plate and the sliding plate, and expands and contracts with the stretching of the sliding plate to realize The stretch and expansion of the display screen is adjustable.
  • a display device comprising a first casing, a second casing and a flexible display screen respectively disposed on the first casing and the second casing;
  • the flexible display screen includes a curling portion connected to each other and a fixing part, the curling part is at least partially arranged on the second casing, the fixing part is at least partly arranged on the first casing, and the second casing is slidably connected to the first casing , the curling part can slide out or slide into the first shell at least partially following the second shell;
  • a support structure is provided between the curling part and the second shell at least in part, and the support The structure provides a supporting force for the curling part, so that when the curling part slides out of the first casing, the surface of the curling part on the side away from the second casing and the fixing part are away from the first casing.
  • the surface of one side of the casing is flush.
  • the support structure includes at least one rigid support bar, and the extension direction of the rigid support bar is perpendicular to the stretching direction of the flexible display screen.
  • the support structure includes at least two of the rigid support bars, the rigid support bars are arranged side by side along the stretching direction of the flexible display screen, and between adjacent rigid support bars Set with space for curling.
  • the inner angles formed between two opposite sides of the flexible display screen in the stretching direction of the rigid support bar and the surface of the curling portion are both obtuse angles, so that the adjacent rigid support bars have an obtuse angle.
  • the crimp space is formed between the side surfaces.
  • the rigid support bar has at least a first surface, and the first surface is located on the side of the rigid support bar close to the curling portion, and is fixedly connected with the curling portion and is adjacent to the rigid support bar.
  • the first surface of the support bar forms a support surface that provides a support force for the curled portion.
  • the first surface is planar.
  • the rigid support bar further has a second surface, and the second surface is located on a side of the rigid support bar close to the second casing, and is slidably connected with the second casing.
  • the second surface is provided with at least one fixing block
  • the side of the second casing close to the fixing portion of the flexible display screen is provided with a card slot
  • the curling portion slides out of the flexible display screen.
  • the fixing block can be embedded in the card slot, so as to restrict the movement of the curling part in a direction away from the second casing.
  • the fixing block includes a support and a buckle provided on a side of the support away from the second surface, the buckle can be inserted into the slot to limit the curling The part moves in a direction away from the second casing.
  • the second surface is provided with a fixing block, and the fixing block is located in the middle of the rigid support bar perpendicular to the stretching direction of the flexible display screen.
  • it further includes a tensioning member and a winding assembly disposed in the casing, one end of the tensioning member is connected to an end of the curling portion away from the fixing portion, and the tensioning member is The other end of the piece is connected with the winding assembly.
  • the crimp portion includes a backing film including an interconnected crimpable portion and a non-crimped portion, the crimpable portion material having a modulus less than the non-crimping portion material modulus .
  • the crimpable portion material has a modulus of 2GPa to 5GPa and the non-crimp portion material has a modulus of 6GPa to 15GPa.
  • a display device includes the aforementioned display device.
  • FIG. 1 is a schematic structural diagram of a display device according to an exemplary embodiment of the present disclosure
  • FIG. 2 is a schematic structural diagram of a display device in use according to an exemplary embodiment of the present disclosure
  • FIG. 3 is a side view of a second casing in a display device according to an exemplary embodiment of the present disclosure
  • FIG. 4 is a side view 1 of a flexible display screen in a display device according to an exemplary embodiment of the present disclosure
  • FIG. 5 is a schematic structural diagram of a surface of a side surface of a flexible display screen close to a second casing in a display device according to an exemplary embodiment of the present disclosure
  • FIG. 6 is a schematic structural diagram of a fixing member of a flexible display screen in a display device according to an exemplary embodiment of the present disclosure
  • FIG. 7 is a schematic structural diagram of a first casing and a second casing in a display device according to an exemplary embodiment of the present disclosure
  • FIG. 8 is a second side view of a flexible display screen in a display device according to an exemplary embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram of a back film of a flexible display screen in a display device according to an exemplary embodiment of the present disclosure.
  • the terms “installed”, “connected” and “connected” should be construed broadly unless otherwise expressly specified and limited. For example, it may be a fixed connection, or a detachable connection, or an integral connection; it may be a mechanical connection, or an electrical connection; it may be a direct connection, or an indirect connection through an intermediate piece, or an internal communication between two elements.
  • installed may be a fixed connection, or a detachable connection, or an integral connection; it may be a mechanical connection, or an electrical connection; it may be a direct connection, or an indirect connection through an intermediate piece, or an internal communication between two elements.
  • parallel refers to a state where the angle formed by two straight lines is -10° or more and 10° or less, and therefore, also includes a state where the angle is -5° or more and 5° or less.
  • perpendicular refers to the state where the angle formed by two straight lines is 80° or more and 100° or less, and therefore includes the state where the angle is 85° or more and 95° or less.
  • An embodiment of the present disclosure provides a display device, including a first casing, a second casing, and a flexible display screen respectively disposed on the first casing and the second casing; the flexible display screen includes a mutual A connected curling portion and a fixing portion, the curling portion is at least partially arranged on the second casing, the fixing portion is at least partially arranged on the first casing, the second casing is connected to the first casing.
  • a casing is slidably connected, and at least part of the curling part can slide out or slide into the first casing following the second casing; a support is provided between at least part of the curling part and the second casing
  • the supporting structure provides a supporting force for the curling part, so that when the curling part slides out of the first casing, the surface of the curling part on the side away from the second casing and the fixing The surface of the part away from the first casing is flush.
  • the display device compensates for the step difference between the outer surface of the second casing and the outer surface of the first casing when the second casing slides out of the first casing through the support structure, so as to ensure the outer surface of the curling part in the flexible display screen It is flush with the outer surface of the fixing part, so as to avoid the mold printing problem of the flexible display screen at the level difference, and at the same time, the support structure provides the support force for the flexible display screen and improves the flatness of the flexible display screen.
  • the display device provided by the embodiment of the present disclosure includes a first casing 2 , a second casing 1 , and a first casing 2 and a second casing 1 respectively disposed on the first casing 2 and the second casing 1 .
  • the flexible display screen 3 ; the first end of the first casing 2 has an opening, and the first casing 2 is provided with a winding assembly 5; the first end of the second casing 1 has an opening, and the opening of the second casing 1 is inserted The opening of the first casing 2, and the second casing 1 is slidably connected with the first casing 2, so that the second casing 1 can slide out or slide into the first casing 2; the flexible display screen 3 includes interconnected The curling portion 301 and the fixing portion 302 can be curled by the curling portion 301 .
  • the fixing portion 302 is at least partially disposed on the first casing 2 .
  • the first end of the fixing portion 302 is connected to the first side outer surface of the first casing 2
  • the second end of the fixing portion 302 is connected to the first end of the curling portion 301 .
  • the curling portion 301 is at least partially disposed on the second casing 1 .
  • the first end of the curling portion 301 is connected to the second end of the fixing portion 302
  • the second end of the curling portion 301 bypasses the end of the second casing 1 away from the first casing 2 and inside the first casing 2
  • the winding assembly 5 is connected so that the curling part 301 can slide out or slide into the first casing 2 along with the second casing 1 .
  • a support structure 4 is disposed between at least part of the curling portion 301 and the outer surface of the second casing 1 , and the supporting structure 4 provides a supporting force for the curling portion 301 , so that the curling portion 301 follows the second casing 1 and slides out of the first casing 1 , the surface of the curling portion 301 on the first side of the second casing 1 away from the first side of the second casing 1 is flush with the surface of the fixing portion 302 away from the first side of the first casing 2 .
  • the first side of the second casing 1 and the first side of the first casing 2 are located on the same side of the display device.
  • the flexible display screen 3 is arranged on the first casing 2 and the second casing 1 which are slidingly matched with each other, so that the flexible display screen 3 can be slid into or out of the first casing along with the second casing 1 .
  • the outer surface of the part 301 is flush with the outer surface of the fixing part 302 of the flexible display screen 3 on the first side of the first casing 2 under the action of the supporting force of the supporting structure 4, so as to eliminate the problem of step difference.
  • the outer surface of the curling portion 301 and the outer surface of the fixing portion 302 respectively refer to the surface of the curling portion 301 away from the first side of the second casing 1 and the surface of the fixing portion 302 away from the first side of the first casing 2 .
  • the first casing 2 is a rigid structural member, which is a slot-like structure with an opening, for example, the cross-section is U-shaped, square, circular, etc. In this embodiment, it is preferably a slot with a U-shaped cross-section , under the premise of having accommodation space, the thickness size should be reduced as much as possible to ensure that the final thickness of the display device is small; the first casing 2 is provided with a winding assembly 5, and the winding assembly 5 has a winding function, which can be used for the flexible display screen 3.
  • the curling portion 301 of the spool is wound and accommodated.
  • the second casing 1 is a rigid structural member, which is a groove-shaped structure with an opening, for example, the cross-section is U-shaped, square, circular, etc.
  • the cross-section is U-shaped, square, circular, etc.
  • it is preferably a groove with a U-shaped cross-section , on the premise of having the accommodation space, the thickness size should be reduced as much as possible, so as to ensure that the final thickness of the display device is small, and at the same time, the battery and other components in the first casing 2 can be removed when sliding out/in the first casing 2. Therefore, it can be understood that setting the second casing 1 in a form without an opening also belongs to the protection scope of the present application.
  • the sliding track of 1 is enough; wherein, in order to realize the sliding connection between the second casing 1 and the first casing 2, it is obvious to set a sliding component (the cooperation of the sliding track/slide rail and the slider/pulley) between the two. Yes, the setting of the sliding component (the cooperation between the slideway/slide rail and the slider/pulley) can be easily understood and realized by those skilled in the art, and will not be repeated here.
  • the flexible display screen 3 is a soft, deformable, and bendable display device, which can be easily understood or handled by those skilled in the art, and its structure or display principle is not the protection focus of the present disclosure. This will not go into too much detail.
  • the support structure 4 is a rigid material, eg, the support structure is a metal material.
  • the rigid material has high support strength, provides a stable support surface for the flexible display, and ensures the flatness of the flexible display.
  • the supporting structure 4 can provide the curling portion 301 on the first side of the second casing 1 with a supporting force away from the first side of the second casing 1 when the second casing 1 slides out of the first casing 2, so that the The outer surface of the curling portion 301 on the first side of the second casing 1 is flush with the outer surface of the fixing portion 302 on the first side of the first casing 2 .
  • the support structure 4 includes at least one rigid support bar 401 , and the extension direction of the rigid support bar 401 is perpendicular to the stretching direction of the flexible display screen 3 .
  • the rigid support bar 401 runs through the curling portion 301 along the stretching direction perpendicular to the flexible display screen 3 , so as to provide a uniform support force to the entire flexible display screen 3 .
  • the support structure when the support structure includes a rigid support bar, when the curling portion slides out of the first housing, the rigid support bar is disposed at the center position of the curling portion in the stretching direction of the flexible display screen.
  • the support structure 4 includes at least two rigid support bars 401 , and the rigid support bars 401 are arranged side by side along the stretching direction of the flexible display screen 3 , and a curl is provided between adjacent rigid support bars 401 The curling space enables the support structure 4 to be curled, so that the support structure 4 can slide into the first cabinet 2 following the curling portion 301 .
  • the inner angles formed by the rigid support bar 401 between the opposite sides in the stretching direction of the flexible display screen 3 and the surface of the curling portion 301 are all obtuse angles, that is, the inner angle is greater than 90 degrees and less than 180 degrees, and the adjacent rigid A curling space is formed between the side surfaces of the support bar 401 .
  • the cross section of the rigid support bar 401 is in the shape of an inverted trapezoid, and the ends of the adjacent rigid support bars 401 close to one side surface of the curled part are in contact with each other to form a continuous support surface 402.
  • the flexible display screen 3 provides uniform support.
  • the rigid support bars are spaced along the stretching direction of the flexible display screen, and the spaces form curling spaces.
  • the winding assembly 5 has the function of winding and winding, and can wrap and store part or all of the flexible display screen 3, so that when the second casing 1 slides out of the first casing 2, the flexible display 3 is pulled out, and when the second casing 1 is slid into the first casing 2, the flexible display screen 3 is accommodated.
  • the rigid support bar 401 has at least a first surface, and the first surface is located on the side of the rigid support bar close to the curling portion, and is fixedly connected with the curling portion, so that the support structure 4 can follow the flexible display screen to be rolled up by the assembly Pull out or stow away.
  • the support structure 4 includes at least two rigid support bars 401, the first surfaces of the adjacent rigid support bars form a support surface 402 that provides a support force for the flexible display screen.
  • the first surface is flat to provide uniform support for the flexible display screen.
  • the rigid support bar 401 further has a second surface.
  • the second surface is located on the side of the rigid support bar 401 close to the second casing 1 and is slidably connected with the outer surface of the second casing 1, so that the second surface can be
  • the supporting structure can be slid into or out of the first casing following the second casing.
  • At least one fixing block 6 is provided on the second surface, and a card slot is provided on the first side of the second casing 1 .
  • the fixing block can be embedded in the card groove. , so as to limit the movement of the curling part in the direction away from the second casing, so as to prevent the flexible display screen from arching when stretched, which affects the display effect.
  • the fixing block 6 includes a support and a buckle 601 disposed at one end of the support away from the support structure.
  • the buckle 601 can be inserted into the slot to restrict the movement of the curling portion away from the second casing.
  • the fixed block 6 is a T-shaped structure.
  • the display device further includes a tensioning member 7 , one end of the tensioning member 7 is connected to an end of the curling portion 301 away from the fixing portion 302 , and the other end of the tensioning member 7 is connected to the winding Component 5 is connected.
  • the tensioning member 7 can provide stable tension to the flexible display screen, so that the flexible display screen 3 can be kept tight and flat during the stretching process.
  • the flexible display screen 3 includes a back film 8 .
  • the back film 8 includes a crimpable portion 801 and a non-curlable portion 802 that are connected to each other.
  • the crimpable portion 801 can be rolled and can be slid out following the second housing. Or slide into the first housing.
  • the non-curling portion 802 is located at one end of the flexible display screen 3 close to the winding assembly 5 and is connected to the winding assembly.
  • the non-crimped portion 802 does not need to follow the second casing to slide out or slide into the first casing, and the non-crimped portion 802 may not be crimped.
  • the modulus of the material of the crimpable portion 801 is smaller than the modulus of the material of the non-crimped portion 802, so that when the crimpable portion 801 is crimped, the strain of the display layer on the crimpable portion 801 is small, and the non-crimped portion 802 can act on the pulling force of the winding assembly.
  • the lower deformation is small and does not affect the function of the display layer on the back film 8 .
  • the modulus of the material of the crimpable portion 801 is 2GPa to 5GPa
  • the modulus of the material of the non-crimp portion 802 is 6GPa to 15GPa, so that the pulling force of the winding assembly acts on the non-crimp portion 802 with high modulus, thereby The function of the display layer on the back film 8 is not affected.
  • Embodiments of the present disclosure also provide a display device, including the aforementioned display device.
  • the display device in the embodiment of the present disclosure may be any product or component with a display function, such as a mobile phone, a tablet computer, a television, a monitor, a notebook computer, a digital photo frame, and a navigator.
  • the terms “installed”, “connected” and “connected” should be understood in a broad sense, for example, it may be a fixed connection or a Removable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two components.
  • installed should be understood in a broad sense, for example, it may be a fixed connection or a Removable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two components.

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Abstract

一种显示装置以及显示设备，显示装置包括第一机壳（2）、第二机壳（1）以及分别设置在第一机壳（2）和第二机壳（1）上的柔性显示屏（3）；柔性显示屏（3）包括互相连接的卷曲部（301）以及固定部（302），卷曲部（301）至少部分设置于第二机壳（1）上，固定部（302）至少部分设置于第一机壳（2）上，第二机壳（1）与第一机壳（2）滑动连接，卷曲部（301）至少部分能够跟随第二机壳（1）滑出或滑入第一机壳（2）；卷曲部（301）至少部分与第二机壳（1）之间设置有支撑结构（4），支撑结构（4）为卷曲部（301）提供支撑力，以使卷曲部（301）滑出第一机壳（2）时，卷曲部（301）远离第二机壳（1）一侧的表面与固定部（302）远离第一机壳（2）一侧的表面平齐；在拉伸柔性显示屏（3）时，保证拉伸柔性显示屏（3）的平坦性，避免柔性显示屏（3）出现模印。

Description

显示装置以及显示设备
本公开要求于2021年01月28日提交中国专利局、申请号为202110118963.1、公开名称为“显示装置以及显示设备”的中国专利申请的优先权，其内容应理解为通过引入的方式并入本申请中。
技术领域
本公开涉及但不限于显示技术领域，尤指一种显示装置以及显示设备。
背景技术
随着显示面板技术的发展，利用柔性显示屏良好的柔性特征，可实现屏幕一定程度的折叠与弯曲，进而发展出一种通过卷轴功能实现终端显示屏伸展扩大的技术；目前利用柔性显示屏设计的可拉伸或者可滑动显示设备，固定板上设有一能够相对固定板平移拉伸的滑动板，柔性显示屏设置在固定板和滑动板上，随着滑动板的拉伸进行伸缩，以实现显示屏幕的伸展扩大可调。
但是，滑动板相对固定板拉伸时，在二者层叠的高度方向上存在段差，容易在段差处产生柔性显示屏的模印问题，并且柔性显示屏的拉伸部分的支撑平坦性得不到支撑。
发明内容
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。
一种显示装置，包括第一机壳、第二机壳以及分别设置在所述第一机壳和所述第二机壳上的柔性显示屏；所述柔性显示屏包括互相连接的卷曲部以及固定部，所述卷曲部至少部分设置于所述第二机壳上，所述固定部至少部分设置于所述第一机壳上，所述第二机壳与所述第一机壳滑动连接，所述卷曲部至少部分能够跟随所述第二机壳滑出或滑入所述第一机壳；所述卷曲部 至少部分与所述第二机壳之间设置有支撑结构，所述支撑结构为所述卷曲部提供支撑力，以使所述卷曲部滑出所述第一机壳时，所述卷曲部远离所述第二机壳一侧的表面与所述固定部远离所述第一机壳一侧的表面平齐。
在示例性实施方式中，所述支撑结构包括至少一个刚性支撑条，所述刚性支撑条的延伸方向与所述柔性显示屏的拉伸方向垂直。
在示例性实施方式中，所述支撑结构包括至少两个所述刚性支撑条，所述刚性支撑条沿着所述柔性显示屏的拉伸方向并排排布，相邻所述刚性支撑条之间设置有卷曲空间。
在示例性实施方式中，所述刚性支撑条在所述柔性显示屏拉伸方向的相对两侧面与所述卷曲部的表面之间形成的内角均为钝角，使相邻所述刚性支撑条的所述侧面之间形成所述卷曲空间。
在示例性实施方式中，所述刚性支撑条至少具有第一表面，所述第一表面位于所述刚性支撑条靠近所述卷曲部一侧，与所述卷曲部固定连接，相邻所述刚性支撑条的所述第一表面形成为所述卷曲部提供支撑力的支撑面。
在示例性实施方式中，所述第一表面为平面。
在示例性实施方式中，所述刚性支撑条还具有第二表面，所述第二表面位于所述刚性支撑条靠近所述第二机壳一侧，与所述第二机壳滑动连接。
在示例性实施方式中，所述第二表面设置有至少一个固定块，所述第二机壳靠近所述柔性显示屏的固定部一侧上设置有卡槽，所述卷曲部滑出所述第一机壳时，所述固定块可以嵌入所述卡槽中，以限制所述卷曲部沿着远离所述第二机壳方向移动。
在示例性实施方式中，所述固定块包括支撑件以及设置于所述支撑件远离所述第二表面一侧的卡扣，所述卡扣可以嵌入所述卡槽中，以限制所述卷曲部沿着远离所述第二机壳方向移动。
在示例性实施方式中，所述第二表面设置有一个固定块，所述固定块位于所述刚性支撑条垂直于所述柔性显示屏拉伸方向的中部。
在示例性实施方式中，还包括张紧件以及设置于所述机壳内的收卷组件，所述张紧件的一端与所述卷曲部远离所述固定部的一端连接，所述张紧件的另一端与所述收卷组件相接。
在示例性实施方式中，所述卷曲部包括背膜，所述背膜包括互相连接的可卷曲部以及非卷曲部，所述可卷曲部材质的模量小于所述非卷曲部材质的模量。
在示例性实施方式中，所述可卷曲部材质的模量为2GPa至5GPa，所述非卷曲部材质的模量为6GPa至15GPa。
一种显示设备，包括前述的显示装置。
在阅读并理解了附图和详细描述后，可以明白其他方面。
附图说明
附图用来提供对本公开技术方案的进一步理解，并且构成说明书的一部分，与本公开的实施例一起用于解释本公开的技术方案，并不构成对本公开技术方案的限制。附图中各部件的形状和大小不反映真实比例，目的只是示意说明本公开内容。
图1为本公开示例性实施例一种显示装置的结构示意图；
图2为本公开示例性实施例显示装置使用状态的结构示意图；
图3为本公开示例性实施例显示装置中第二机壳的侧视图；
图4为本公开示例性实施例显示装置中柔性显示屏的侧视图一；
图5为本公开示例性实施例显示装置中柔性显示屏靠近第二机壳一侧表面的结构示意图；
图6为本公开示例性实施例显示装置中柔性显示屏的固定件的结构示意图；
图7为本公开示例性实施例显示装置中第一机壳和第二机壳的结构示意图；
图8为本公开示例性实施例显示装置中柔性显示屏的侧视图二；
图9为本公开示例性实施例显示装置中柔性显示屏的背膜的结构示意图。
具体实施方式
本文中的实施方式可以以多个不同形式来实施。所属技术领域的普通技术人员可以很容易地理解一个事实，就是实现方式和内容可以在不脱离本公开的宗旨及其范围的条件下被变换为各种各样的形式。因此，本公开不应该被解释为仅限定在下面的实施方式所记载的内容中。在不冲突的情况下，本公开中的实施例及实施例中的特征可以相互任意组合。
在附图中，有时为了明确起见，可能夸大表示了构成要素的大小、层的厚度或区域。因此，本公开的任意一个实现方式并不一定限定于图中所示尺寸，附图中部件的形状和大小不反映真实比例。此外，附图示意性地示出了理想的例子，本公开的任意一个实现方式不局限于附图所示的形状或数值等。
本文中的“第一”、“第二”、“第三”等序数词是为了避免构成要素的混同而设置，而不是为了在数量方面上进行限定的。
在本文中，为了方便起见，使用“中部”、“上”、“下”、“前”、“后”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示方位或位置关系的词句以参照附图说明构成要素的位置关系，仅是为了便于描述实施方式和简化描述，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公开的限制。构成要素的位置关系可根据描述的构成要素的方向进行适当地改变。因此，不局限于在文中说明的词句，根据情况可以适当地更换。
在本文中，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，可以是固定连接，或可拆卸连接，或一体地连接；可以是机械连接，或电连接；可以是直接相连，或通过中间件间接相连，或两个元件内部的连通。对于本领域的普通技术人员而言，可以根据情况理解上述术语在本公开中的含义。
在本文中，“平行”是指两条直线形成的角度为-10°以上且10°以下的状态，因此，也包括该角度为-5°以上且5°以下的状态。另外，“垂直”是指两条直线形成的角度为80°以上且100°以下的状态，因此，也包括85°以上且95°以下的角度的状态。
本文中的“约”，是指不严格限定界限，允许工艺和测量误差范围内的数值。
本公开实施例提供一种显示装置，包括第一机壳、第二机壳以及分别设置在所述第一机壳和所述第二机壳上的柔性显示屏；所述柔性显示屏包括互相连接的卷曲部以及固定部，所述卷曲部至少部分设置于所述第二机壳上，所述固定部至少部分设置于所述第一机壳上，所述第二机壳与所述第一机壳滑动连接，所述卷曲部至少部分能够跟随所述第二机壳滑出或滑入所述第一机壳；所述卷曲部至少部分与所述第二机壳之间设置有支撑结构，所述支撑结构为所述卷曲部提供支撑力，以使所述卷曲部滑出所述第一机壳时，所述卷曲部远离所述第二机壳一侧的表面与所述固定部远离所述第一机壳一侧的表面平齐。
本公开实施例显示装置通过支撑结构弥补第二机壳滑出第一机壳时，第二机壳外表面与第一机壳外表面之间的段差，保证柔性显示屏中卷曲部的外表面与固定部的外表面平齐，从而避免了段差处产生柔性显示屏的模印问题，同时支撑结构为柔性显示屏提供支撑力，提高了柔性显示屏的平坦度。
如图1、图2和图3所示，本公开实施例提供的显示装置，包括第一机壳2、第二机壳1以及分别设置在第一机壳2和第二机壳1上的柔性显示屏3；第一机壳2的第一端具有开口，第一机壳2内设有收卷组件5；第二机壳1的第一端具有开口，第二机壳1的开口插入第一机壳2的开口，且第二机壳1与第一机壳2滑动连接，以使第二机壳1能够滑出或滑入第一机壳2；柔性显示屏3包括互相连接的卷曲部301以及固定部302，卷曲部301能够卷曲。固定部302至少部分设置于第一机壳2上。具体地，固定部302的第一端与第一机壳2的第一侧外表面相接，固定部302的第二端与卷曲部301的第一端相接。卷曲部301至少部分设置于第二机壳1上。具体地，卷曲部301的第一端与固定部302的第二端相接，卷曲部301的第二端绕过第二机壳1远 离第一机壳2的一端与第一机壳2内的收卷组件5连接，以使卷曲部301能随第二机壳1滑出或滑入第一机壳2。卷曲部301至少部分与第二机壳1外表面之间设置有支撑结构4，支撑结构4为卷曲部301提供支撑力，以使卷曲部301跟随第二机壳1滑出第一机壳1时，位于第二机壳1第一侧上的卷曲部301远离第二机壳1第一侧的表面与固定部302远离第一机壳2第一侧的表面平齐。其中，第二机壳1的第一侧与第一机壳2的第一侧位于显示装置的同侧。
本公开实施例显示装置为了解决可拉伸或可滑动显示装置，在拉伸显示屏时，滑动板与固定板之间存在段差，容易在段差处产生柔性显示屏的模印问题，并且柔性显示屏的拉伸部分的支撑平坦性得不到支撑的问题。本实施例提供的显示装置中将柔性显示屏3设置在相互滑动配合的第一机壳2和第二机壳1上，使其能够随第二机壳1滑入或滑出第一机壳2来改变柔性显示屏3的显示面积，并且通过支撑结构4的设置，使得第二机壳1在滑出第一机壳2时，第二机壳1第一侧的柔性显示屏3的卷曲部301的外表面在支撑结构4的支撑力作用下，与第一机壳2第一侧的柔性显示屏3的固定部302的外表面平齐，以杜绝段差的问题。其中，卷曲部301的外表面和固定部302的外表面分别指卷曲部301远离第二机壳1第一侧的表面和固定部302远离第一机壳2第一侧的表面。
如图7所示，第一机壳2为刚性结构件，其为具有开口的槽状结构，例如：截面为U形、方形、圆形等，本实施例中优选为截面为U形的槽，在具有容纳空间的前提下尽量缩小厚度尺寸，以保证显示装置最终的厚度较小；第一机壳2内设有收卷组件5，收卷组件5具有缠绕功能，可以对柔性显示屏3的卷曲部301进行缠绕收纳。
如图7所示，第二机壳1为刚性结构件，其为具有开口的槽状结构，例如：截面为U形、方形、圆形等，本实施例中优选为截面为U形的槽，在具有容纳空间的前提下尽量缩小厚度尺寸，以保证显示装置最终的厚度较小，同时还能够在滑出/滑入第一机壳2时对第一机壳2内的电池等元器件进行避让；因而，可以理解的是，将第二机壳1设置为不具有开口的形式也是属于本申请的保护范围的，此时至需要将电池等元器件的设置位置避开第二机壳 1的滑动轨迹即可；其中，为了实现第二机壳1与第一机壳2的滑动连接，在二者之间设置滑动组件(滑道/滑轨与滑块/滑轮的配合)是显而易见的，滑动组件(滑道/滑轨与滑块/滑轮的配合)的设置是本领域技术人员可以轻易理解并实现的，在此不做过多赘述。
在示例性实施方式中，柔性显示屏3为柔软的、可变形、可弯曲的显示装置，是本领域技术人员可以轻易理解或事项的，并且其结构或显示原理不是本公开的保护重点，在此不做过多赘述。
在示例性实施方式中，支撑结构4为刚性材质，比如，支撑结构为金属材质。刚性材质的支撑强度大，为柔性显示屏提供稳定的支撑面，保证柔性显示屏的平坦性。支撑结构4能够在第二机壳1滑出第一机壳2时，为位于第二机壳1第一侧上的卷曲部301提供远离第二机壳1第一侧的支撑力，以使第二机壳1第一侧上的卷曲部301的外表面与第一机壳2第一侧上的固定部302的外表面平齐。
如图4和图5所示，支撑结构4包括至少一个刚性支撑条401，刚性支撑条401的延伸方向与柔性显示屏3的拉伸方向垂直。优选地，刚性支撑条401沿着垂直柔性显示屏3的拉伸方向贯穿卷曲部301，以对整个柔性显示屏3提供均匀的支撑力。
在一些实施方式中，当支撑结构包括一个刚性支撑条，在卷曲部滑出第一机壳时，刚性支撑条设置在卷曲部在柔性显示屏拉伸方向的中心位置。
如图4和图5所示，支撑结构4包括至少两个刚性支撑条401，刚性支撑条401沿着柔性显示屏3的拉伸方向并排排布，相邻刚性支撑条401之间设置有卷曲空间，卷曲空间能够使支撑结构4卷曲，使支撑结构4能够跟随卷曲部301滑入第一机壳2内。
如图4所示，刚性支撑条401在柔性显示屏3拉伸方向的相对两侧面与卷曲部301的表面之间形成的内角均为钝角，即该内角大于90度小于180度，相邻刚性支撑条401的所述侧面之间形成卷曲空间。在卷曲部滑出第一机壳时，刚性支撑条401的横截面呈倒梯形，相邻刚性支撑条401靠近卷曲 部一侧表面的端部互相接触，从而形成连续的支撑面402，从而为柔性显示屏3提供均匀的支撑力。
在一些实施方式中，刚性支撑条沿着柔性显示屏的拉伸方向间隔设置，该间隔形成卷曲空间。
在示例性实施方式中，收卷组件5具有缠绕收卷的功能，可以将柔性显示屏3的部分或全部进行缠绕收纳，实现第二机壳1滑出第一机壳2时，柔性显示屏3被拉出，第二机壳1滑入第一机壳2时，柔性显示屏3被收纳。
在示例性实施方式中，刚性支撑条401至少具有第一表面，第一表面位于刚性支撑条靠近卷曲部一侧，与卷曲部固定连接，从而使支撑结构4能够跟随柔性显示屏被收卷组件拉出或收纳。当支撑结构4包括至少两个刚性支撑条401，相邻刚性支撑条的第一表面形成为柔性显示屏提供支撑力的支撑面402。
在示例性实施方式中，第一表面为平面，从而为柔性显示屏提供均匀的支撑力。
如图5和图6所示，刚性支撑条401还具有第二表面，第二表面位于刚性支撑条401靠近第二机壳1一侧，与第二机壳1的外表面滑动连接，从而能够使支撑结构能够跟随第二机壳滑入或滑出第一机壳。
如图5和图6所示，第二表面设置有至少一个固定块6，第二机壳1第一侧设置有卡槽，卷曲部滑出第一机壳时，固定块可以嵌入卡槽中，以限制卷曲部沿着远离第二机壳方向移动，从而防止柔性显示屏在拉伸时拱起，影响显示效果。
如图6所示，固定块6包括支撑件以及设置于支撑件远离支撑结构一端的卡扣601，卡扣601可以嵌入卡槽中，以限制卷曲部沿着远离第二机壳方向移动。优选地，固定块6为T形结构。
如图2和图8所示，本公开实施例显示装置还包括张紧件7，张紧件7的一端与卷曲部301远离固定部302的一端连接，张紧件7的另一端与收卷组件5相接。张紧件7能够对柔性显示屏提供稳定拉力，使得柔性显示屏3在拉伸过程中，保持紧绷平整。
如图8和图9所示，柔性显示屏3包括背膜8，背膜8包括互相连接的可卷曲部801以及非卷曲部802，可卷曲部801能够卷曲，能够跟随第二壳体滑出或滑入第一壳体。非卷曲部802位于柔性显示屏3靠近收卷组件5一端，与收卷组件相连。非卷曲部802不用跟随第二壳体滑出或滑入第一壳体，非卷曲部802可以不被卷曲。可卷曲部801材质的模量小于非卷曲部802材质的模量，从而使可卷曲部801卷曲时，可卷曲部801上的显示层应变较小，非卷曲部802能够在收卷组件拉力作用下变形较小，不影响背膜8上显示层的功能。
在示例性实施方式中，可卷曲部801材质的模量为2GPa至5GPa，非卷曲部802材质的模量为6GPa至15GPa，使收卷组件拉力作用在高模量的非卷曲部802，从而不影响背膜8上显示层的功能。
本公开实施例还提供了一种显示设备，包括前述的显示装置。本公开实施例显示设备可以为：手机、平板电脑、电视机、显示器、笔记本电脑、数码相框、导航仪等任何具有显示功能的产品或部件。
在本公开实施例的描述中，需要理解的是，术语“中部”、“上”、“下”、“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公开和简化描述，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公开的限制。
在本公开实施例的描述中，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，可以是固定连接，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公开中的具体含义。
虽然本公开所揭露的实施方式如上，但所述的内容仅为便于理解本公开而采用的实施方式，并非用以限定本公开。任何本公开所属领域内的技术人员，在不脱离本公开所揭露的精神和范围的前提下，可以在实施的形式及细 节上进行任何的修改与变化，但本公开的专利保护范围，仍须以所附的权利要求书所界定的范围为准。

Claims (14)

  1. 一种显示装置，其特征在于，包括第一机壳、第二机壳以及分别设置在所述第一机壳和所述第二机壳上的柔性显示屏；所述柔性显示屏包括互相连接的卷曲部以及固定部，所述卷曲部至少部分设置于所述第二机壳上，所述固定部至少部分设置于所述第一机壳上，所述第二机壳与所述第一机壳滑动连接，所述卷曲部至少部分能够跟随所述第二机壳滑出或滑入所述第一机壳；所述卷曲部至少部分与所述第二机壳之间设置有支撑结构，所述支撑结构为所述卷曲部提供支撑力，以使所述卷曲部滑出所述第一机壳时，所述卷曲部远离所述第二机壳一侧的表面与所述固定部远离所述第一机壳一侧的表面平齐。
  2. 根据权利要求1所述的显示装置，其特征在于，所述支撑结构包括至少一个刚性支撑条，所述刚性支撑条的延伸方向与所述柔性显示屏的拉伸方向垂直。
  3. 根据权利要求2所述的显示装置，其特征在于，所述支撑结构包括至少两个所述刚性支撑条，所述刚性支撑条沿着所述柔性显示屏的拉伸方向并排排布，相邻所述刚性支撑条之间设置有卷曲空间。
  4. 根据权利要求3所述的显示装置，其特征在于，所述刚性支撑条在所述柔性显示屏拉伸方向的相对两侧面与所述卷曲部的表面之间形成的内角均为钝角，使相邻所述刚性支撑条的所述侧面之间形成所述卷曲空间。
  5. 根据权利要求3所述的显示装置，其特征在于，所述刚性支撑条至少具有第一表面，所述第一表面位于所述刚性支撑条靠近所述卷曲部一侧，与所述卷曲部固定连接，相邻所述刚性支撑条的所述第一表面形成为所述卷曲部提供支撑力的支撑面。
  6. 根据权利要求5所述的显示装置，其特征在于，所述第一表面为平面。
  7. 根据权利要求5所述的显示装置，其特征在于，所述刚性支撑条还具有第二表面，所述第二表面位于所述刚性支撑条靠近所述第二机壳一侧，与所述第二机壳滑动连接。
  8. 根据权利要求7所述的显示装置，其特征在于，所述第二表面设置有至少一个固定块，所述第二机壳靠近所述柔性显示屏的固定部一侧上设置有卡槽，所述卷曲部滑出所述第一机壳时，所述固定块可以嵌入所述卡槽中，以限制所述卷曲部沿着远离所述第二机壳方向移动。
  9. 根据权利要求8所述的显示装置，其特征在于，所述固定块包括支撑件以及设置于所述支撑件远离所述第二表面一侧的卡扣，所述卡扣可以嵌入所述卡槽中，以限制所述卷曲部沿着远离所述第二机壳方向移动。
  10. 根据权利要求8所述的显示装置，其特征在于，所述第二表面设置有一个固定块，所述固定块位于所述刚性支撑条垂直于所述柔性显示屏拉伸方向的中部。
  11. 根据权利要求1所述的显示装置，其特征在于，还包括张紧件以及设置于所述机壳内的收卷组件，所述张紧件的一端与所述卷曲部远离所述固定部的一端连接，所述张紧件的另一端与所述收卷组件相接。
  12. 根据权利要求1所述的显示装置，其特征在于，所述卷曲部包括背膜，所述背膜包括互相连接的可卷曲部以及非卷曲部，所述可卷曲部材质的模量小于所述非卷曲部材质的模量。
  13. 根据权利要求12所述的显示装置，其特征在于，所述可卷曲部材质的模量为2GPa至5GPa，所述非卷曲部材质的模量为6GPa至15GPa。
  14. 一种显示设备，其特征在于，包括如权利要求1至13任一所述的显示装置。
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