WO2020211129A1 - 柔性显示装置 - Google Patents

柔性显示装置 Download PDF

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Publication number
WO2020211129A1
WO2020211129A1 PCT/CN2019/085964 CN2019085964W WO2020211129A1 WO 2020211129 A1 WO2020211129 A1 WO 2020211129A1 CN 2019085964 W CN2019085964 W CN 2019085964W WO 2020211129 A1 WO2020211129 A1 WO 2020211129A1
Authority
WO
WIPO (PCT)
Prior art keywords
flexible display
layer
curled
display screen
display panel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2019/085964
Other languages
English (en)
French (fr)
Inventor
张卓
韩文
王芳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Original Assignee
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd filed Critical Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority to US16/609,501 priority Critical patent/US10788863B1/en
Publication of WO2020211129A1 publication Critical patent/WO2020211129A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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
    • G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
    • G06F1/1624—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with sliding enclosures, e.g. sliding keyboard or display
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • 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 OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2200/00—Indexing scheme relating to G06F1/04 - G06F1/32
    • G06F2200/16—Indexing scheme relating to G06F1/16 - G06F1/18
    • G06F2200/161—Indexing scheme relating to constructional details of the monitor
    • G06F2200/1612—Flat panel monitor
    • 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

Definitions

  • This application relates to the display field, and in particular to a flexible display device.
  • Existing flexible screens include foldable and rollable display screens. Although the above two display screens reduce the size of the panel to a certain extent, they still occupy a large space.
  • the present application provides a flexible display device to solve the technical problem that the existing flexible screen occupies a large space.
  • the present application provides a flexible display device, which includes a housing component and a flexible display screen located in the housing component;
  • the flexible display screen includes a backplane layer, a display panel on the backplane layer, and a cover layer on the display panel;
  • the backplane layer forms a first curled portion
  • the display panel forms a second curled portion
  • the cover layer forms a third curled portion
  • the first curled portion and the third curled portion have different curling directions, and the curling direction of the second curled portion is the same as the curling direction of the first curled portion or the third curled portion, wherein the The first curling portion and the third curling portion are located inside the second curling portion.
  • the diameter of the circumscribed circle of the second curling part is equal to the sum of the diameter of the circumscribed circle of the first curling part and the diameter of the circumscribed circle of the third curling part.
  • the diameter of the circumscribed circle of the first curled portion is equal to the diameter of the circumscribed circle of the third curled portion.
  • the backplane layer is curled in a clockwise or counterclockwise direction to form the first curled portion
  • the cover sheet layer is curled in a clockwise or counterclockwise direction different from the curling direction of the back sheet layer to form the third curled portion;
  • the display panel is curled in a clockwise or counterclockwise direction to form the third curled portion.
  • the flexible display screen also includes a first bonding layer between the backplane layer and the display panel, and a second bonding layer between the display panel and the cover layer;
  • the first bonding layer is separated from the backplane layer
  • the second bonding layer is separated from the cover layer
  • the first bonding layer and the second bonding layer are And the display panel is curled in a clockwise or counterclockwise direction to form the second curled portion.
  • the flexible display screen also includes a third bonding layer between the backplane layer and the first bonding layer, and a fourth bonding layer between the cover layer and the second bonding layer;
  • the third bonding layer is separated from the first bonding layer, and the second bonding layer is separated from the fourth bonding layer;
  • the backplane layer and the third bonding layer are curled in a clockwise or counterclockwise direction to form the first curled portion
  • the cover sheet layer and the fourth bonding layer are curled in a clockwise or counterclockwise direction different from the curling direction of the back sheet layer and the third bonding layer to form the third curled portion.
  • the flexible display screen also includes a fixing part
  • One end of the backplane layer, the display panel, and the cover layer is connected to the fixing portion;
  • the back plate layer, the display panel, and the cover plate layer are curled from the end away from the fixing part to the fixing part.
  • the fixing part is provided with a processor, a driving chip and an external port.
  • the flexible display screen also includes a sliding part
  • the sliding part and the fixing part are arranged in parallel;
  • the sliding part slides from the end of the flexible display screen away from the fixed part to the fixed part, the backplane layer, the display panel, and the cover layer Curl from the end away from the fixed part to the fixed part;
  • the sliding part slides from the fixing part to the end of the flexible display screen away from the fixing part, so that the first curling part, the second curling part and the The third curled portion is unfolded to form the corresponding back plate layer, the display panel, and the cover plate layer.
  • the sliding part includes a hollow area
  • the sliding part slides back and forth between the fixed part and the end of the flexible display screen away from the fixed part through the hollow area.
  • the flexible display screen also includes an occlusal area
  • the occlusal area is located at the edge area of the flexible display screen
  • an occlusal component is arranged in the occlusal area.
  • the occlusal component includes:
  • At least one first protrusion on the side of the display panel close to the back plate layer and at least one second protrusion on the side close to the cover plate layer are located on the back plate layer and close to the display panel
  • At least one first groove on one side is located on the cover layer and at least one second groove on the side close to the display panel;
  • the sliding part slides from the fixing part to the end of the flexible display screen away from the fixing part, and the sliding part makes the first protrusion on the display panel Engage with the first groove on the backplane layer, and the second protrusion on the display panel engages with the second groove on the cover layer;
  • the sliding part slides from the end of the flexible display screen away from the fixing part to the fixing part, and the first protrusion on the display panel and the back plate
  • the first groove on the layer is far away, and the second protrusion on the display panel is far away from the second groove on the cover layer.
  • the flexible display screen also includes a touch layer
  • the touch layer is located on the flexible layer display panel or the cover layer.
  • the housing assembly includes a first housing
  • the first curled portion, the second curled portion, and the third curled portion are located in the first housing.
  • One end of the first housing is provided with a first opening
  • the first curled portion, the second curled portion, and the third curled portion enter the first housing through the first opening.
  • the diameter of the inscribed circle of the first housing is larger than the diameter of the circumscribed circle of the second curled portion.
  • the housing assembly further includes a second housing
  • a second opening is provided at one end of the second housing
  • the first housing enters the second housing through the second opening.
  • a power supply assembly is provided in the first housing or/and the second housing.
  • the flexible display screen is crimped by dividing it into three parts, the first crimping part and the third crimping part have opposite crimping directions, so that the second crimping part can wrap the first crimping part and the third crimping part ,
  • the flexible display screen is rolled into a cylinder, which greatly reduces the volume of the flexible display screen and is convenient for users to carry.
  • Figure 1 is a diagram of the first film structure of the flexible display screen of this application.
  • Figure 2 is the first curling diagram of the flexible display screen of this application.
  • Figure 3 is a second curling diagram of the flexible display screen of the application.
  • Figure 4 is a diagram of the third film layer structure of the flexible display screen of the application.
  • Figure 5 is a structural diagram of the application of the flexible display screen in the expanded state
  • Fig. 6 is an enlarged view of area A in Fig. 5;
  • FIG. 7 is the first structure diagram of the flexible display device of this application.
  • FIG. 8 is a second structure diagram of the flexible display device of this application.
  • FIG. 1 is a diagram of the first film structure of the flexible display screen of the present application.
  • the flexible display device 100 includes a housing assembly 80 and a flexible display screen 300 located in the housing assembly 80.
  • the flexible display screen 300 includes a backplane layer 10, a display panel 20 on the backplane layer 10, and a cover layer 30 on the display panel 20.
  • the backplane layer 10 is made of a corresponding flexible material that is resistant to bending, and the backplane layer 10 can be crimped into any shape.
  • the display panel 20 is a flexible display panel 20.
  • the display panel 20 may be an LCD liquid crystal display panel 20 or an OLED display panel 20.
  • the display panel 20 can be rolled into any shape.
  • the OLED display panel 20 is taken as an example for description.
  • the display panel 20 may include an array substrate 201, a light emitting device layer 202 on the array substrate 201, and an encapsulation layer 203 on the light emitting device layer 202.
  • the cover layer 30 may include a polarizer 301 on the display panel 20, a cover 302 on the polarizer 301, and an optical glue between the cover 302 and the polarizer 301
  • the layer 303, etc., the polarizer 301, the optical glue 303, and the cover plate 302 are all made of a corresponding flexible material resistant to bending, and the cover plate layer 30 can be crimped into any shape.
  • the flexible display screen 300 further includes a touch layer.
  • the touch layer may be located on the encapsulation layer 203 of the display panel 20, or in the display panel 20, or in the cover layer 30, and the specific position is not limited in the present application.
  • FIG. 2 is the first curling diagram of the flexible display screen of this application.
  • FIG. 3 is a second curling diagram of the flexible display screen of the present application.
  • the backplane layer 10 forms a first curled part 11
  • the display panel 20 forms a second curled part 21
  • the cover layer 30 forms a third curled part 31.
  • the curling direction of the first curling portion 11 and the third curling portion 31 are different, and the curling direction of the second curling portion 21 is the same as the curling direction of the first curling portion 11 or the third curling portion 31 .
  • first curling portion 11 and the third curling portion 31 are located inside the second curling portion 21.
  • the back sheet layer 10 is curled in a clockwise or counterclockwise direction to form the first curling portion 11;
  • the cover sheet layer 30 is curled in a clockwise or counterclockwise direction different from the curling direction of the back sheet layer 10 to form a
  • the third curling portion 31 the display panel 20 is curled in a clockwise or counterclockwise direction to form the third curling portion 31.
  • the back sheet layer 10 is curled in a counterclockwise direction to form the first curled portion 11
  • the cover sheet layer 30 is curled in a clockwise direction to form the third curled portion 31
  • the display panel 20 is curled in a counterclockwise direction to form the third curled portion 31.
  • the layer 10 and the cover layer 30 are small, so this application will curl the last of the display panel 20.
  • the first curling portion 11 and the third curling portion 31 are formed before the second curling portion 21, and the order of the two curling portions is not limited in this application.
  • the diameter of the circumscribed circle of the second crimping portion 21 is greater than the diameter of the circumscribed circle of the first crimping portion 11, and the diameter of the circumscribed circle of the second crimping portion 21 is greater than that of the third crimping portion 31 Diameter of circumscribed circle.
  • the diameter of the circumscribed circle of the second crimping portion 21 may be equal to the sum of the diameter of the circumscribed circle of the first crimping portion 11 and the diameter of the circumscribed circle of the third crimping portion 31.
  • the diameter of the circumscribed circle of the first curled portion 11 may be equal to the diameter of the circumscribed circle of the third curled portion 31 .
  • the flexible display screen 300 also includes a first bonding layer 204 between the backplane layer 10 and the display panel 20, and a first bonding layer 204 between the display panel 20 and the cover layer 30 Between the second bonding layer 205.
  • the bonding layer is composed of a material with a certain viscosity.
  • the thickness of the first bonding layer 204 and the second bonding 205 may be 50 microns.
  • the backplane layer 10 and the display panel 20 are joined together through the first bonding layer 204, and the display panel 20 and the cover plate layer 30 pass through the first bonding layer 204.
  • the two bonding layers are joined together.
  • the first bonding layer 204 is separated from the backplane layer 10
  • the second bonding layer 205 is separated from the cover layer 30, and the first bonding layer 204,
  • the second bonding layer 205 and the display panel 20 are curled in a clockwise or counterclockwise direction to form the second curled portion 21.
  • the first bonding layer 204 and the second bonding layer 205 Curling together with the display panel 20 avoids the phenomenon of scratches on the display panel 20 when it is curled, and ensures the stability of the display panel 20.
  • FIG. 4 is a diagram of the third film layer structure of the flexible display screen of this application.
  • the flexible display screen 300 also includes a third bonding layer 101 located between the backplane layer 10 and the first bonding layer 204, and a third bonding layer 101 between the cover layer 30 and the second bonding layer 205 The fourth bonding layer 304.
  • the backplane layer 10 and the display panel 20 are combined together through the first bonding layer 204 and the third bonding layer 101, and the display panel 20 and the display panel
  • the cover layer 30 is bonded together by the second adhesive layer and the fourth bonding layer 304.
  • the third bonding layer 101 is separated from the first bonding layer 204, the second bonding layer 205 is separated from the fourth bonding layer 304, and the backplane layer 10
  • the first curled portion 11 is formed by curling with the third bonding layer 101 in a clockwise or counterclockwise direction, and the cover layer 30 and the fourth bonding layer 304 are different from the above in clockwise or counterclockwise.
  • the curling direction of the backing layer 10 and the third bonding layer 101 curls to form the third curled portion 31.
  • the combination of the first bonding layer 204 and the third bonding layer 101, and the combination of the second bonding layer 205 and the fourth bonding layer 304 further ensure that the backplane layer 10 and the display panel 20 And the adhesion between the cover layer 30.
  • the flexible display screen 300 further includes a fixing part 40.
  • One end of the backplane layer 10, the display panel 20, and the cover layer 30 is connected to the fixing portion 40.
  • the back plate layer 10, the display panel 20, and the cover layer 30 are curled from the end away from the fixing portion 40 toward the fixing portion 40.
  • other driving components such as a processor, a driving chip, and an external port may be provided in the fixing portion 40.
  • the fixing portion 40 may be a regular cuboid.
  • the flexible display screen 300 further includes a sliding part 50.
  • the sliding part 50 is arranged parallel to the fixing part 40.
  • the sliding part 50 may be a regular cuboid.
  • the sliding portion 50 is provided with a hollow area.
  • the sliding portion 50 can slide back and forth on the fixed portion 40 and the end of the flexible display screen 300 away from the fixed portion 40 through the hollow area.
  • the sliding part 50 slides from the end of the flexible display screen 300 away from the fixing part 40 to the fixing part 40, and the backplane layer 10 and the display panel 20 , And the cover layer 30 is curled from the end away from the fixing portion 40 to the fixing portion 40.
  • FIG. 5 is a structural diagram of the flexible display screen of the application in an unfolded state.
  • the sliding portion 50 slides from the fixed portion 40 to the end of the flexible display 300 away from the fixed portion 40, so that the first curling portion 11 and the The second curling portion 21 and the third curling portion 31 are unfolded to form the corresponding backplane layer 10, the display panel 20, and the cover layer 30.
  • FIG. 6 is an enlarged view of area A in FIG. 5.
  • the flexible display screen 300 also includes an occlusal area 60.
  • the occlusal area 60 is located at the edge area of the flexible display screen 300.
  • the occlusal area 60 is provided with an occlusal component 70.
  • the bite assembly 70 includes:
  • At least one first protrusion 701 on the side of the display panel 20 close to the back plate layer 10 and at least one second protrusion 702 on the side close to the cover layer 30 are located on the back plate layer 10
  • At least one first groove 703 on the side close to the display panel 20 is located on the cover layer 30 and at least one second groove 704 on the side close to the display panel 20.
  • At least one first groove on the side of the display panel close to the backplane layer and at least one second groove on the side close to the cover layer, on the backplane layer and close to the display panel At least one first protrusion on one side is located on the cover layer and at least one second protrusion on one side close to the display panel.
  • the first protrusion 701, the second protrusion 702, the first groove 703, and the second groove 704 may extend from the fixing portion 40 to the flexible display screen 300 is away from one end of the fixing part 40.
  • the backplane layer 10 may also be provided with two or more of the first grooves 703, and the cover layer 30 may also be provided with two or more of the second grooves 703.
  • a groove 704, two or more of the first groove 703 and the second groove 704 may be provided on the display panel 20.
  • the number of the first protrusions 701 is equal to that of the first grooves.
  • the number of 703 is equal, and the number of the second protrusion 702 is equal to the number of the second groove 704.
  • the sliding portion 50 slides from the fixed portion 40 to the end of the flexible display 300 away from the fixed portion 40, and the sliding portion 50 causes the display panel 20 to slide
  • the first protrusion 701 is engaged with the first groove 703 on the back plate layer 10
  • the second protrusion 702 on the display panel 20 is engaged with the cover plate layer 30
  • the second groove 704 is engaged.
  • the sliding part 50 slides from the end of the flexible display screen 300 away from the fixing part 40 to the fixing part 40, and the first protrusion on the display panel 20 701 is far away from the first groove 703 on the backplane layer 10, the second protrusion 702 on the display panel 20 and the second groove 704 on the cover layer 30 keep away.
  • the sliding part 50 moves toward the end of the flexible display screen 300 away from the fixing part 40, and the sliding part 50 makes the first protrusion 701 and the first concave
  • the groove 703, the second protrusion 702 and the second groove 704 cooperate to make the back plate layer 10, the display panel 20, and the cover plate layer 30 pretension the sliding portion 50
  • the force is combined to form a vacuum environment between the backplane layer 10, the display panel 20, and the cover layer 30.
  • the sliding portion 50 slides toward the fixed portion 40, and the backplane layer 10, the display panel 20, and the cover layer 30 lose the pretensioning force.
  • the first protrusion 701 is far away from the first groove 703, the second protrusion 702 is far away from the second groove 704, the backplane layer 10, the display panel 20, and the
  • the cover layer 30 forms the corresponding first curled portion 11, the second curled portion 21 and the third curled portion 31.
  • FIG. 7 is a first structure diagram of the flexible display device of the present application.
  • the housing assembly 80 includes a first housing 81.
  • the first housing 81 is a hollow shell.
  • the first housing 81 is a rigid shell for protecting the flexible display screen 300.
  • the first curled portion 11, the second curled portion 21, and the third curled portion 31 can be placed in the first housing 81 to prevent the display panel 20 Scratched by external components.
  • one end of the first housing 81 is provided with a first opening 811.
  • the first curled portion 11, the second curled portion 21, and the third curled portion 31 enter the first housing 81 through the first opening 811 .
  • the diameter of the inscribed circle of the first housing 81 is larger than the diameter of the circumscribed circle of the second curling portion 21, so that the flexible display screen 300 can be placed in the first housing 81.
  • FIG. 8 is a second structure diagram of the flexible display device of this application.
  • the housing assembly 80 also includes a second housing 82.
  • One end of the second housing 82 is provided with a second opening (not shown), the first housing 81 enters the second housing 82 through the second opening, and performs a one-step operation on the flexible display screen 300 protection.
  • the first housing 81 or/and the second housing 82 are provided with power components and the like.
  • the flexible display screen 300 When the flexible display device 100 is in use, the flexible display screen 300 is taken out of the housing assembly 80, and the first curling portion 11, the second curling portion 21, and the The third curling portion 31 is bonded together by the occluding component 70 and the bonding layer to form the flexible display screen 300 in the unfolded state, and the flexible display screen 300 is connected to the housing through an external data cable and corresponding ports
  • the power supply component on the component 80 is connected to drive the display screen of the flexible display 300.
  • This application proposes a flexible display device, which includes a housing component and a flexible display screen located in the housing component; the flexible display screen includes a backplane layer, a display panel on the backplane layer, and a display panel located on the backplane layer.
  • the cover layer on the panel when the flexible display screen is curled, the backplane layer forms a first curled portion, the display panel forms a second curled portion, and the cover layer forms a third curled portion;
  • the first curling portion and the third curling portion are located inside the second curling portion.
  • the flexible display screen is crimped by dividing it into three parts, the first crimping part and the third crimping part have opposite crimping directions, so that the second crimping part can wrap the first crimping part and the third crimping part ,
  • the flexible display screen is rolled into a cylinder, which greatly reduces the volume of the flexible display screen and is convenient for users to carry.

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

Abstract

一种柔性显示装置（100），包括外壳组件（80）和位于外壳组件（80）内的柔性显示屏（300）；柔性显示屏（300）包括背板层（10）、位于背板层（10）上的显示面板（20）、及位于显示面板（20）上的盖板层（30）；当柔性显示屏（300）卷曲时，背板层（10）形成第一卷曲部（11），显示面板（20）形成第二卷曲部（21），盖板层（30）形成第三卷曲部（31）；第一卷曲部（11）及第三卷曲部（31）位于第二卷曲部（21）的内侧。

Description

柔性显示装置 技术领域
本申请涉及显示领域，特别涉及一种柔性显示装置。
 背景技术
随着科技的发展，移动电子设备的外观发生了巨大变化，其中，柔性屏以其独特的特性和巨大的潜力而备受关注。柔性屏相较于传统屏幕而言，具有柔韧性强和可弯曲的特点，能够减轻设备意外损伤的程度，耐用程度远高于其他屏幕。
现有的柔性屏包括可折叠和可卷曲显示屏，上述两种显示屏虽然在一定程度上减小了面板的尺寸，但是仍占据较大的空间。
因此，亟需一种柔性显示装置以解决上述技术问题。
 技术问题
本申请提供一种柔性显示装置，以解决现有柔性屏占据较大空间的技术问题。
 技术解决方案
本申请提供一种柔性显示装置，其包括外壳组件和位于所述外壳组件内的柔性显示屏；
所述柔性显示屏包括背板层、位于所述背板层上显示面板、及位于所述显示面板上的盖板层；
当所述柔性显示屏卷曲时，所述背板层形成第一卷曲部，所述显示面板形成第二卷曲部，所述盖板层形成第三卷曲部；
所述第一卷曲部与所述第三卷曲部的卷曲方向不同，所述第二卷曲部的卷曲方向与所述第一卷曲部或所述第三卷曲部的卷曲方向相同，其中，所述第一卷曲部及所述第三卷曲部位于所述第二卷曲部的内侧。
在本申请的柔性显示装置中，
所述第二卷曲部的外接圆直径等于所述第一卷曲部的外接圆直径与所述第三卷曲部的外接圆直径之和。
在本申请的柔性显示装置中，所述第一卷曲部的外接圆直径与所述第三卷曲部的外接圆直径相等。
在本申请的柔性显示装置中，所述背板层以顺时针或逆时针方向卷曲形成所述第一卷曲部；
所述盖板层以顺时针或逆时针中不同于所述背板层的卷曲方向卷曲形成所述第三卷曲部；
所述显示面板以顺时针或逆时针方向卷曲形成所述第三卷曲部。
在本申请的柔性显示装置中，
所述柔性显示屏还包括位于所述背板层与所述显示面板之间的第一结合层、及位于所述显示面板与所述盖板层之间的第二结合层；
当所述柔性显示屏卷曲时，所述第一结合层与所述背板层分离，所述第二结合层与所述盖板层分离，所述第一结合层、所述第二结合层及所述显示面板以顺时针或逆时针方向卷曲形成所述第二卷曲部。
在本申请的柔性显示装置中，
所述柔性显示屏还包括位于所述背板层与所述第一结合层之间的第三结合层、及位于所述盖板层与所述第二结合层之间的第四结合层；
当所述柔性显示屏卷曲时，所述第三结合层与所述第一结合层分离，所述第二结合层与所述第四结合层分离；
所述背板层与所述第三结合层以顺时针或逆时针方向卷曲形成所述第一卷曲部；
所述盖板层与所述第四结合层以顺时针或逆时针中不同于所述背板层及所述第三结合层的卷曲方向卷曲形成所述第三卷曲部。
在本申请的柔性显示装置中，
所述柔性显示屏还包括固定部；
所述背板层、所述显示面板、及所述盖板层的一端与所述固定部连接；
当所述柔性显示屏卷曲时，所述背板层、所述显示面板、及所述盖板层从远离所述固定部的一端向所述固定部卷曲。
在本申请的柔性显示装置中，
所述固定部内设置有处理器、驱动芯片以及外接端口。
在本申请的柔性显示装置中，
所述柔性显示屏还包括滑动部；
所述滑动部与所述固定部平行设置；
当所述柔性显示屏卷曲时，所述滑动部从所述柔性显示屏远离所述固定部的一端向所述固定部滑动，所述背板层、所述显示面板、及所述盖板层从远离所述固定部的一端向所述固定部卷曲；
当所述柔性显示屏展开时，所述滑动部从所述固定部向所述柔性显示屏远离所述固定部的一端滑动，使所述第一卷曲部、所述第二卷曲部及所述第三卷曲部展开，以形成对应的所述背板层、所述显示面板、及所述盖板层。
在本申请的柔性显示装置中，
所述滑动部包括镂空区；
所述滑动部通过所述镂空区在所述固定部与所述柔性显示屏远离所述固定部的一端来回滑动。
在本申请的柔性显示装置中，
所述柔性显示屏还包括咬合区；
所述咬合区位于所述柔性显示屏的边缘区域；
其中，所述咬合区内设置有咬合组件。
在本申请的柔性显示装置中，
所述咬合组件包括：
位于所述显示面板靠近所述背板层一侧的至少一第一凸起和靠近所述盖板层一侧的至少一第二凸起，位于所述背板层上且靠近所述显示面板一侧的至少一第一凹槽，位于所述盖板层上且靠近所述显示面板一侧的至少一第二凹槽；
当所述柔性显示屏展开时，所述滑动部从所述固定部向所述柔性显示屏远离所述固定部的一端滑动，所述滑动部使所述显示面板上的所述第一凸起与所述背板层上的所述第一凹槽咬合、及所述显示面板上的所述第二凸起与所述盖板层上的所述第二凹槽咬合；
当所述柔性显示屏卷曲时，所述滑动部从所述柔性显示屏远离所述固定部的一端向所述固定部滑动，所述显示面板上的所述第一凸起与所述背板层上的所述第一凹槽远离，所述显示面板上的所述第二凸起与所述盖板层上的所述第二凹槽远离。
在本申请的柔性显示装置中，
所述柔性显示屏还包括触控层；
所述触控层位于所述柔性层显示面板或所述盖板层上。
在本申请的柔性显示装置中，
所述外壳组件包括第一外壳；
当所述柔性显示屏处于卷曲状态时，所述第一卷曲部、所述第二卷曲部及所述第三卷曲部位于所述第一外壳内。
在本申请的柔性显示装置中，
所述第一外壳的一端设置有第一开口；
当所述柔性显示屏处于卷曲状态时，所述第一卷曲部、所述第二卷曲部及所述第三卷曲部经所述第一开口进入所述第一外壳内。
在本申请的柔性显示装置中，所述第一外壳的内接圆直径大于所述第二卷曲部的外接圆直径。
在本申请的柔性显示装置中，
所述外壳组件还包括第二外壳；
所述第二外壳的一端设置有第二开口；
所述第一外壳经所述第二开口进入所述第二外壳内。
在本申请的柔性显示装置中，
所述第一外壳或/和所述第二外壳内设置有电源组件。
 有益效果
本申请通过将该柔性显示屏分成三部分进行卷曲，该第一卷曲部及该第三卷曲部的卷曲方向相反，使得该第二卷曲部能将该第一卷曲部及该第三卷曲部包裹，使该柔性显示屏屏卷曲成圆柱体，大大缩小了该柔性显示屏的体积，便于用户的携带。
 附图说明
为了更清楚地说明实施例或现有技术中的技术方案，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介绍，显而易见地，下面描述中的附图仅仅是发明的一些实施例，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为本申请柔性显示屏的第一种膜层结构图；
图2为本申请柔性显示屏的第一种卷曲图；
图3为本申请柔性显示屏的第二种卷曲图；
图4为本申请柔性显示屏的第三种膜层结构图；
图5为本申请柔性显示屏展开状态的结构图；
图6为图5中区域A的放大图；
图7为本申请柔性显示装置的第一种结构图；
图8为本申请柔性显示装置的第二种结构图。
 本发明的实施方式
以下各实施例的说明是参考附加的图示，用以例示本申请可用以实施的特定实施例。本申请所提到的方向用语，例如[上]、[下]、[前]、[后]、[左]、[右]、[内]、[外]、[侧面]等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本申请，而非用以限制本申请。在图中，结构相似的单元是用以相同标号表示。
请参阅图1，图1为本申请柔性显示屏的第一种膜层结构图。
所述柔性显示装置100包括外壳组件80和位于所述外壳组件80内的柔性显示屏300。
所述柔性显示屏300包括背板层10、位于所述背板层10上显示面板20、及位于所述显示面板20上的盖板层30。
在本实施例中，所述背板层10由耐弯折的对应的柔性材料构成，所述背板层10能被卷曲成任意形状。
所述显示面板20为柔性显示面板20。所述显示面板20可以为LCD液晶显示面板20或者OLED显示面板20。与所述背板层10相同，所述显示面板20可以被卷曲成任意形状。
在本实施例中，以OLED显示面板20为例进行说明。
所述显示面板20可以包括阵列基板201、位于阵列基板201上的发光器件层202、及位于所述发光器件层202上的封装层203。
所述盖板层30可以包括位于所述显示面板20上的偏光片301、位于所述偏光片301上的盖板302、及位于所述盖板302与所述偏光片301之间的光学胶层303等，所述偏光片301、所述光学胶303、及所述盖板302均由耐弯折的对应的柔性材料构成，所述盖板层30能被卷曲成任意形状。
在本实施例中，所述柔性显示屏300还包括触控层。
所述触控层可以位于所述显示面板20的所述封装层203上、或位于所述显示面板20内、或位于所述盖板层30中，具体位置本申请没有限制。
请参阅图2，图2为本申请柔性显示屏的第一种卷曲图。
请参阅图3，图3为本申请柔性显示屏的第二种卷曲图。
当所述柔性显示屏300卷曲时，所述背板层10形成第一卷曲部11，所述显示面板20形成第二卷曲部21，所述盖板层30形成第三卷曲部31。
所述第一卷曲部11与所述第三卷曲部31的卷曲方向不同，所述第二卷曲部21的卷曲方向与所述第一卷曲部11或所述第三卷曲部31的卷曲方向相同。
在本实施例中，所述第一卷曲部11及所述第三卷曲部31位于所述第二卷曲部21的内侧。
所述背板层10以顺时针或逆时针方向卷曲形成所述第一卷曲部11；所述盖板层30以顺时针或逆时针中不同于所述背板层10的卷曲方向卷曲形成所述第三卷曲部31；所述显示面板20以顺时针或逆时针方向卷曲形成所述第三卷曲部31。
在本实施例中，所述背板层10以逆时针方向卷曲形成所述第一卷曲部11，所述盖板层30以顺时针方向卷曲形成所述第三卷曲部31，所述显示面板20以逆时针方向卷曲形成所述第三卷曲部31。
在上述膜层中，由于卷曲所形成的卷曲部的半径越小，受到的弯曲应力越大，而所述显示面板20中的膜层结构较多，能承受的弯曲应力相比所述背板层10及所述盖板层30小，因此本申请将所述显示面板20的最后卷曲。所述第一卷曲部11及所述第三卷曲部31在所述第二卷曲部21之前形成，二者卷曲的顺序本申请没有限制。
在本实施例中，所述第二卷曲部21的外接圆直径大于所述第一卷曲部11的外接圆直径，所述第二卷曲部21的外接圆直径大于所述第三卷曲部31的外接圆直径。
在本实施例中，所述第二卷曲部21的外接圆直径可以等于所述第一卷曲部11的外接圆直径与所述第三卷曲部31的外接圆直径之和。
在本实施例中，当所述背板层10与所述盖板层30的厚度相等时，所述第一卷曲部11的外接圆直径可以与所述第三卷曲部31的外接圆直径相等。
请参阅图1，所述柔性显示屏300还包括位于所述背板层10与所述显示面板20之间的第一结合层204、及位于所述显示面板20与所述盖板层30之间的第二结合层205。
所述结合层由具有一定的粘性的材料构成。
在本实施例中，所述第一结合层204和所述第二结合205的厚度可以为50微米。
当所述柔性显示屏300展开时，所述背板层10与所述显示面板20通过所述第一结合层204结合在一起，所述显示面板20与所述盖板层30通过所述第二粘结层结合在一起。
当所述柔性显示屏300卷曲时，所述第一结合层204与所述背板层10分离，所述第二结合层205与所述盖板层30分离，所述第一结合层204、所述第二结合层205及所述显示面板20以顺时针或逆时针方向卷曲形成所述第二卷曲部21。
在所述第二卷曲部21卷曲时，由于所述显示面板20的膜层结构比较精细，轻微的划伤都将降低面板的品质，所述第一结合层204及所述第二结合层205与所述显示面板20一起卷曲，避免了所述显示面板20在卷曲时出现伤痕的现象，保证了所述显示面板20的稳定性。
请参阅图4，图4为本申请柔性显示屏的第三种膜层结构图。
所述柔性显示屏300还包括位于所述背板层10与所述第一结合层204之间的第三结合层101、及位于所述盖板层30与所述第二结合层205之间的第四结合层304。
当所述柔性显示屏300展开时，所述背板层10与所述显示面板20通过所述第一结合层204及所述第三结合层101结合在一起，所述显示面板20与所述盖板层30通过所述第二粘结层及所述第四结合层304结合在一起。
当所述柔性显示屏300卷曲时，所述第三结合层101与所述第一结合层204分离，所述第二结合层205与所述第四结合层304分离，所述背板层10与所述第三结合层101以顺时针或逆时针方向卷曲形成所述第一卷曲部11，所述盖板层30与所述第四结合层304以顺时针或逆时针中不同于所述背板层10及所述第三结合层101的卷曲方向卷曲形成所述第三卷曲部31。
所述第一结合层204与所述第三结合层101的结合、所述第二结合层205与所述第四结合层304的结合进一步保证了所述背板层10、所述显示面板20及所述盖板层30之间的粘合性。
请参阅图2，所述柔性显示屏300还包括固定部40。
所述背板层10、所述显示面板20、及所述盖板层30的一端与所述固定部40连接。当所述柔性显示屏300卷曲时，所述背板层10、所述显示面板20、及所述盖板层30从远离所述固定部40的一端向所述固定部40卷曲。
在本实施例中，所述固定部40内可以设置处理器、驱动芯片以及外接端口等其他驱动构件。
在本实施例中，所述固定部40可以为规则的长方体。
请参阅图2和图3，所述柔性显示屏300还包括滑动部50。
所述滑动部50与所述固定部40平行设置。
在本实施例中，所述滑动部50可以为规则的长方体。
在本实施例中，所述滑动部50设置有镂空区。所述滑动部50可以通过所述镂空区在所述固定部40与所述柔性显示屏300远离所述固定部40的一端来回滑动。
当所述柔性显示屏300卷曲时，所述滑动部50从所述柔性显示屏300远离所述固定部40的一端向所述固定部40滑动，所述背板层10、所述显示面板20、及所述盖板层30从远离所述固定部40的一端向所述固定部40卷曲。
请参阅图5，图5为本申请柔性显示屏展开状态的结构图。
当所述柔性显示屏300展开时，所述滑动部50从所述固定部40向所述柔性显示屏300远离所述固定部40的一端滑动，使所述第一卷曲部11、所述第二卷曲部21及所述第三卷曲部31展开，以形成对应的所述背板层10、所述显示面板20、及所述盖板层30。
请参阅图6，图6为图5中区域A的放大图。
所述柔性显示屏300还包括咬合区60。
所述咬合区60位于所述柔性显示屏300的边缘区域。
所述咬合区60内设置有咬合组件70。
在本实施例中，所述咬合组件70包括：
位于所述显示面板20靠近所述背板层10一侧的至少一第一凸起701和靠近所述盖板层30一侧的至少一第二凸起702，位于所述背板层10上且靠近所述显示面板20一侧的至少一第一凹槽703，位于所述盖板层30上且靠近所述显示面板20一侧的至少一第二凹槽704。或者，
位于所述显示面板靠近所述背板层一侧的至少一第一凹槽和靠近所述盖板层一侧的至少一第二凹槽，位于所述背板层上且靠近所述显示面板一侧的至少一第一凸起，位于所述盖板层上且靠近所述显示面板一侧的至少一第二凸起。
请参阅图6，所述第一凸起701、所述第二凸起702、所述第一凹槽703及所述第二凹槽704可以从所述固定部40延伸至所述柔性显示屏300远离所述固定部40的一端。
在本实施例中，所述背板层10上还可以设置有两个及以上的所述第一凹槽703，所述盖板层30上还可以设置有两个及以上的所述第二凹槽704，所述显示面板20上还可以设置两个及以上的所述第一凹槽703及所述第二凹槽704。
在本实施例中，为了更好的对所述背板层10、所述显示面板20、及所述盖板层30进行配合，所述第一凸起701的数量与所述第一凹槽703的数量相等，所述第二凸起702的数量与所述第二凹槽704的数量相等。
当所述柔性显示屏300展开时，所述滑动部50从所述固定部40向所述柔性显示屏300远离所述固定部40的一端滑动，所述滑动部50使所述显示面板20上的所述第一凸起701与所述背板层10上的所述第一凹槽703咬合、及所述显示面板20上的所述第二凸起702与所述盖板层30上的所述第二凹槽704咬合。
当所述柔性显示屏300卷曲时，所述滑动部50从所述柔性显示屏300远离所述固定部40的一端向所述固定部40滑动，所述显示面板20上的所述第一凸起701与所述背板层10上的所述第一凹槽703远离，所述显示面板20上的所述第二凸起702与所述盖板层30上的所述第二凹槽704远离。
在本实施例中，所述滑动部50与所述背板层10、所述显示面板20、及所述盖板层30之间存在一定预紧力。
当所述柔性显示屏300展开时，所述滑动部50向所述柔性显示屏300远离所述固定部40的一端，所述滑动部50使所述第一凸起701与所述第一凹槽703、所述第二凸起702与所述第二凹槽704配合，使所述背板层10、所述显示面板20、及所述盖板层30在所述滑动部50的预紧力作用下结合在一起，并使所述背板层10、所述显示面板20、及所述盖板层30之间形成真空环境。
当所述柔性显示屏300卷曲时，所述滑动部50向所述固定部40滑动，所述背板层10、所述显示面板20、及所述盖板层30在失去该预紧力，
所述第一凸起701与所述第一凹槽703远离，所述第二凸起702与所述第二凹槽704远离，所述背板层10、所述显示面板20、及所述盖板层30形成对应的所述第一卷曲部11、所述第二卷曲部21及所述第三卷曲部31。
请参阅图7，图7为本申请柔性显示装置的第一种结构图。
所述外壳组件80包括第一外壳81。
在本实施例中，所述第一外壳81为空心壳体。所述第一外壳81为刚性壳体，用于保护所述柔性显示屏300。
当所述柔性显示屏300处于卷曲状态时，所述第一卷曲部11、所述第二卷曲部21及所述第三卷曲部31可以放置所述第一外壳81内，防止所述显示面板20被外部器件刮伤。
在本实施例中，所述第一外壳81的一端设置有第一开口811。
当所述柔性显示屏300处于卷曲状态时，所述第一卷曲部11、所述第二卷曲部21及所述第三卷曲部31经所述第一开口811进入所述第一外壳81内。
在本实施例中，所述第一外壳81的内接圆直径大于所述第二卷曲部21的外接圆直径，使得所述柔性显示屏300能放置在所述第一外壳81内。
请参阅图8，图8为本申请柔性显示装置的第二种结构图。
所述外壳组件80还包括第二外壳82。
所述第二外壳82的一端设置有第二开口（未画出），所述第一外壳81经所述第二开口进入所述第二外壳82内，对所述柔性显示屏300进行一步的保护。
在本实施例中，所述第一外壳81或/和所述第二外壳82内设置有电源组件等。
当所述柔性显示装置100使用时，将所述柔性显示屏300从所述外壳组件80中取出，并通过所述滑动部50使所述第一卷曲部11、所述第二卷曲部21及所述第三卷曲部31通过所述咬合组件70以及结合层粘合在一起，形成展开状态的柔性显示屏300，以及通过外接数据线以及对应的端口将所述柔性显示屏300与所述外壳组件80上的电源组件连接，驱动所述柔性显示屏300的显示画面。
本申请提出了一种柔性显示装置，包括外壳组件和位于所述外壳组件内的柔性显示屏；所述柔性显示屏包括背板层、位于所述背板层上显示面板、及位于所述显示面板上的盖板层；当所述柔性显示屏卷曲时，所述背板层形成第一卷曲部，所述显示面板形成第二卷曲部，所述盖板层形成第三卷曲部；所述第一卷曲部及所述第三卷曲部位于所述第二卷曲部的内侧。本申请通过将该柔性显示屏分成三部分进行卷曲，该第一卷曲部及该第三卷曲部的卷曲方向相反，使得该第二卷曲部能将该第一卷曲部及该第三卷曲部包裹，使该柔性显示屏屏卷曲成圆柱体，大大缩小了该柔性显示屏的体积，便于用户的携带。
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 (18)

  1. 一种柔性显示装置，其中，包括外壳组件和位于所述外壳组件内的柔性显示屏；
    所述柔性显示屏包括背板层、位于所述背板层上显示面板、及位于所述显示面板上的盖板层；
    当所述柔性显示屏卷曲时，所述背板层形成第一卷曲部，所述显示面板形成第二卷曲部，所述盖板层形成第三卷曲部；
    所述第一卷曲部与所述第三卷曲部的卷曲方向不同，所述第二卷曲部的卷曲方向与所述第一卷曲部或所述第三卷曲部的卷曲方向相同，其中，所述第一卷曲部及所述第三卷曲部位于所述第二卷曲部的内侧。
  2. 根据权利要求1所述的柔性显示装置，其中，
    所述第二卷曲部的外接圆直径等于所述第一卷曲部的外接圆直径与所述第三卷曲部的外接圆直径之和。
  3. 根据权利要求2所述的柔性显示装置，其中，所述第一卷曲部的外接圆直径与所述第三卷曲部的外接圆直径相等。
  4. 根据权利要求1所述的柔性显示装置，其中，所述背板层以顺时针或逆时针方向卷曲形成所述第一卷曲部；
    所述盖板层以顺时针或逆时针中不同于所述背板层的卷曲方向卷曲形成所述第三卷曲部；
    所述显示面板以顺时针或逆时针方向卷曲形成所述第三卷曲部。
  5. 根据权利要求1所述的柔性显示装置，其中，
    所述柔性显示屏还包括位于所述背板层与所述显示面板之间的第一结合层、及位于所述显示面板与所述盖板层之间的第二结合层；
    当所述柔性显示屏卷曲时，所述第一结合层与所述背板层分离，所述第二结合层与所述盖板层分离，所述第一结合层、所述第二结合层及所述显示面板以顺时针或逆时针方向卷曲形成所述第二卷曲部。
  6. 根据权利要求5所述的柔性显示装置，其中，
    所述柔性显示屏还包括位于所述背板层与所述第一结合层之间的第三结合层、及位于所述盖板层与所述第二结合层之间的第四结合层；
    当所述柔性显示屏卷曲时，所述第三结合层与所述第一结合层分离，所述第二结合层与所述第四结合层分离；
    所述背板层与所述第三结合层以顺时针或逆时针方向卷曲形成所述第一卷曲部；
    所述盖板层与所述第四结合层以顺时针或逆时针中不同于所述背板层及所述第三结合层的卷曲方向卷曲形成所述第三卷曲部。
  7. 根据权利要求1所述的柔性显示装置，其中，
    所述柔性显示屏还包括固定部；
    所述背板层、所述显示面板、及所述盖板层的一端与所述固定部连接；
    当所述柔性显示屏卷曲时，所述背板层、所述显示面板、及所述盖板层从远离所述固定部的一端向所述固定部卷曲。
  8. 根据权利要求7所述的柔性显示装置，其中，
    所述固定部内设置有处理器、驱动芯片以及外接端口。
  9. 根据权利要求7所述的柔性显示装置，其中，
    所述柔性显示屏还包括滑动部；
    所述滑动部与所述固定部平行设置；
    当所述柔性显示屏卷曲时，所述滑动部从所述柔性显示屏远离所述固定部的一端向所述固定部滑动，所述背板层、所述显示面板、及所述盖板层从远离所述固定部的一端向所述固定部卷曲；
    当所述柔性显示屏展开时，所述滑动部从所述固定部向所述柔性显示屏远离所述固定部的一端滑动，使所述第一卷曲部、所述第二卷曲部及所述第三卷曲部展开，以形成对应的所述背板层、所述显示面板、及所述盖板层。
  10. 根据权利要求9所述的柔性显示装置，其中，
    所述滑动部包括镂空区；
    所述滑动部通过所述镂空区在所述固定部与所述柔性显示屏远离所述固定部的一端来回滑动。
  11. 根据权利要求9所述的柔性显示装置，其中，
    所述柔性显示屏还包括咬合区；
    所述咬合区位于所述柔性显示屏的边缘区域；
    其中，所述咬合区内设置有咬合组件。
  12. 根据权利要求11所述的柔性显示装置，其中，
    所述咬合组件包括：
    位于所述显示面板靠近所述背板层一侧的至少一第一凸起和靠近所述盖板层一侧的至少一第二凸起，位于所述背板层上且靠近所述显示面板一侧的至少一第一凹槽，位于所述盖板层上且靠近所述显示面板一侧的至少一第二凹槽；
    当所述柔性显示屏展开时，所述滑动部从所述固定部向所述柔性显示屏远离所述固定部的一端滑动，所述滑动部使所述显示面板上的所述第一凸起与所述背板层上的所述第一凹槽咬合、及所述显示面板上的所述第二凸起与所述盖板层上的所述第二凹槽咬合；
    当所述柔性显示屏卷曲时，所述滑动部从所述柔性显示屏远离所述固定部的一端向所述固定部滑动，所述显示面板上的所述第一凸起与所述背板层上的所述第一凹槽远离，所述显示面板上的所述第二凸起与所述盖板层上的所述第二凹槽远离。
  13. 根据权利要求1所述的柔性显示装置，其中，
    所述柔性显示屏还包括触控层；
    所述触控层位于所述柔性层显示面板或所述盖板层上。
  14. 根据权利要求1所述的柔性显示装置，其中，
    所述外壳组件包括第一外壳；
    当所述柔性显示屏处于卷曲状态时，所述第一卷曲部、所述第二卷曲部及所述第三卷曲部位于所述第一外壳内。
  15. 根据权利要求14所述的柔性显示装置，其中，
    所述第一外壳的一端设置有第一开口；
    当所述柔性显示屏处于卷曲状态时，所述第一卷曲部、所述第二卷曲部及所述第三卷曲部经所述第一开口进入所述第一外壳内。
  16. 根据权利要求14所述的柔性显示装置，其中，所述第一外壳的内接圆直径大于所述第二卷曲部的外接圆直径。
  17. 根据权利要求14所述的柔性显示装置，其中，
    所述外壳组件还包括第二外壳；
    所述第二外壳的一端设置有第二开口；
    所述第一外壳经所述第二开口进入所述第二外壳内。
  18. 根据权利要求17所述的柔性显示装置，其中，
    所述第一外壳或/和所述第二外壳内设置有电源组件。
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