WO2021017252A1 - 显示装置 - Google Patents

显示装置 Download PDF

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Publication number
WO2021017252A1
WO2021017252A1 PCT/CN2019/115914 CN2019115914W WO2021017252A1 WO 2021017252 A1 WO2021017252 A1 WO 2021017252A1 CN 2019115914 W CN2019115914 W CN 2019115914W WO 2021017252 A1 WO2021017252 A1 WO 2021017252A1
Authority
WO
WIPO (PCT)
Prior art keywords
plate
housing
display device
display panel
support plate
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/CN2019/115914
Other languages
English (en)
French (fr)
Inventor
韩文
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 US16/639,594 priority Critical patent/US11315443B2/en
Publication of WO2021017252A1 publication Critical patent/WO2021017252A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G06F1/16—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
    • G06F1/1613—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
    • G06F1/1656—Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly

Definitions

  • the invention relates to the field of display manufacturing, in particular to a display device with an expandable screen.
  • Flexible screen mobile phones refer to mobile phones that use bendable and flexible screens.
  • flexible screens have obvious advantages, not only in terms of size, but also in terms of power consumption. Lower than the original device, it helps to improve the endurance of the device. At the same time, based on its bendable and flexible characteristics, its durability is much higher than that of the previous screen, reducing the probability of accidental damage to the device.
  • the folding connection component that is, the design of the connection shaft at the bending position is also the biggest technical problem.
  • the volume of the display device is relatively large, and it is difficult to meet the market demand for light and thin display.
  • the screen is affected by bending stress, and there is a risk of disconnection in the screen, and the service life is limited.
  • the prior art bendable display device has technical defects such as large volume and short service life, and improvement needs to be proposed.
  • the present invention provides a display device.
  • a flexible display panel is partially housed in a housing of the display device, and the display area of the display panel can be stretched and extended as required; to solve the problem of large volume and short service life of the prior art bendable display device Technical defects.
  • the present invention provides a display device, comprising: a housing on which a display window is arranged; a flexible display panel, the display area of the flexible display panel can be partially or completely exposed to the display window, and the display window is not exposed The display area is deformably arranged in the housing.
  • a transparent cover plate is provided on the surface of the flexible display panel, and two ends of the transparent cover plate extend beyond the edge of the flexible display panel to form opposite curled ends and traction ends, and the curled ends are stretchable
  • the traction end is movably arranged on the outside of the housing. When the traction end moves out of the housing, the curling end is stretched, and the flexible end is located in the housing. The display panel and the transparent cover plate move to the outside of the housing.
  • a support plate is further provided in the housing, the support plate is located inside the display window, and the exposed part of the flexible display panel and the traction end of the transparent cover are both connected to the The supporting plate is attached to each other, and the unexposed part of the flexible display panel is bent to the other side of the supporting plate.
  • a reel and a driving shaft parallel to each other are provided in the housing, the driving shaft is located at one end of the housing where the traction end is provided, and the reel is located at the opposite end of the housing ,
  • the crimped end of the transparent cover is fixed on the driving shaft, the middle of the transparent cover is bent around the reel, and the traction end of the transparent cover is fixed to the outer end of the support plate, so
  • the driving shaft is provided with a gear
  • the bottom of the support plate is provided with a rack that meshes with the gear
  • the driving shaft rotates in conjunction with the movement of the support plate, and when the traction end moves outside the housing
  • the gear is matched with the rack drive to rotate the driving shaft to push out the flexible display panel and the transparent cover in the housing to the display window.
  • the support plate includes a fixed plate and an extension plate, the fixed plate is arranged in the display window, the extension plate movably cooperates with the fixed plate to extend to form a virtual display window, the One end of the flexible display panel is connected to one end of the extension board.
  • the extension plate is fitted with the fixing plate, and the extension plate is flush with the surface of the fixing plate in the fitted state and the extended state with respect to the fixing plate.
  • the extension board includes a first frame, and a first fence support member located in the first frame, one end of the first frame is open;
  • the fixing plate includes a second frame, and A second fence support member located in the second frame, one end of the second frame is open; the open end of the first frame is movably connected to the open end of the second frame, the first fence support It can be interlaced with the second fence support.
  • the extension plate is slidingly fitted with the fixing plate, a clamping edge is provided on the inner side of the first fence support, and a sliding groove is provided on the inner side of the second fence support. The edge is slidingly fitted with the sliding groove.
  • the outer end of the extension plate is provided with a side plate, and the side plate is attached to or away from the housing.
  • a support plate is further provided in the housing, and the support plate is made of a repeatedly bendable material. Part of the support plate is located in the display window, and the rest is crimped and arranged in the housing. The transparent cover plate and the flexible display panel are attached to the surface of the support plate.
  • the support plate includes an extended end and a fixed end opposite to the other end, and the fixed end is arranged in a crimped manner.
  • the housing is also provided with a reel and a driving shaft parallel to each other, the driving shaft is located at one end of the housing where the traction end is located, the reel is located at the opposite end of the housing, and the support plate is fixed
  • the end of the support plate is fixed on the driving shaft, the middle of the support plate is bent around the reel, and the extended end of the support plate is in sliding fit with the inner side of the housing, the driving shaft is provided with a gear
  • the support is provided with a rack that meshes with the gear.
  • the drive shaft rotates in conjunction with the movement of the support plate. When the support plate moves out of the housing, the gear and the rack drive cooperate , Rotating the active shaft to push out the flexible display panel and the transparent cover in the housing to the display window.
  • a sliding groove is provided on the inner side of the display window, a card edge is provided on the outer side of the support plate, and the support plate is slidingly fitted with the display window.
  • the display device provided by the present invention contains a part of the flexible display panel in the housing, and the part outside the housing is used as a conventional screen display.
  • the display area can be enlarged after the flexible display panel in the housing is stretched out , Will not increase the volume of the display device, when switching between the large-screen display state and the small-screen display state, the panel will not be affected by bending stress, prolonging the service life of the screen.
  • Fig. 1a is a schematic diagram of a small screen display state structure of a display device provided by the present invention
  • Fig. 1b is a schematic diagram of the large-screen display state structure of the display device provided by the present invention.
  • Fig. 2a is a schematic structural diagram of a display device support plate provided by the present invention in an unfolded state
  • 2b is a structural schematic diagram of the combined state of the display device support plate provided by the present invention.
  • Figure 2c is an exploded view of a structure of the display device provided by the present invention.
  • 2d is an exploded view of another structure of the display device provided by the present invention.
  • 2e is a schematic structural diagram of another embodiment of a display device provided by the present invention.
  • 2f is a schematic structural diagram of another embodiment of a display device provided by the present invention.
  • Fig. 3a is a schematic structural diagram of a display device curling system provided by the present invention.
  • 3b is an expanded view of the OLED display panel of the display device provided by the present invention.
  • FIG. 3c is a schematic diagram of the film layer structure of the OLED display panel in FIG. 3b.
  • FIG. 3d is a curled shape view of the OLED display panel of the display device provided by the present invention.
  • FIG. 3e is a schematic diagram of the film layer structure of the OLED display panel in FIG. 3d.
  • the present invention proposes an improvement over the technical defects of the prior art bendable display device of large volume and short service life, and this embodiment can solve the defects.
  • the display panel provided by the embodiment of the present invention includes a housing 101 and a flexible display panel 102 located in the housing 101; the bottom of the housing 101 is provided with a bottom cover, and the housing
  • the surface of the body 101 is provided with a display window 103 for exposing the flexible display panel 102, the display window 103 movably cooperates with the flexible display panel 102, and the unexposed flexible display panel 102 is housed in the housing 101 .
  • the flexible display panel 102 fills the display window 103, and the remaining part of the flexible display panel 102 is curled and arranged in the housing 101.
  • the end of the flexible display panel 102 is stretched outward, and the flexible display panel 102 located in the display window 103 moves outside the display window 103 , And the flexible display panel 102 located in the housing 101 moves to the display window 103, and the display area is the area of the display area of the flexible display panel 102 located in the display window 103 and the display window 103 The total area of the display area of the flexible display panel 102 outside.
  • the part that moves beyond the display window 103 is the virtual display window 104, so the position of the virtual display window 104 is dynamic, and the virtual display window 104 is located at the part of the flexible display panel 102 beyond the display window 103. Within the bending radius.
  • the flexible display panel 102 located outside the display window 103 shown in FIG. 1b is bent and attached to the back of the housing 101, then The front and back sides of the display device are independently displayed and touched respectively.
  • the display device provided by the embodiment of the present invention includes a casing 201, a display window 203 opened on one side of the casing 201, and is arranged in the casing 201 and the display window 203.
  • the flexible display panel, the driving shaft 207 and the reel 208 arranged in the housing 201, the gear 2071 arranged at the end of the driving shaft 207, the bottom cover 209 is arranged at the bottom of the housing 201, the flexible display A transparent cover is provided on the surface of the panel.
  • the housing 201 is also provided with a support plate 205, the bottom of the support plate 205 is provided with a rack 2072 engaged with the gear 2071, the exposed part of the flexible display panel and one end of the transparent cover plate It is attached to the support plate 205, and the end of the transparent cover plate is connected to the end of the support plate 205.
  • the support plate 205 is used to support the flexible display panel in a static or dynamic state. Plane support.
  • the two ends of the transparent cover extend beyond the edge of the flexible display panel to form opposite crimping ends and traction ends.
  • the crimping ends are flexibly disposed in the housing 201, and the traction ends are movably disposed in the housing 201. Outside the housing 201, when the traction end moves to the outside of the housing 201, the curled end stretches, and the flexible display panel and the transparent cover in the housing 201 move to the housing Body 201 outside.
  • the exposed part of the flexible display panel is attached to the outer surface of the support plate 205, and the unexposed part is located in the housing 201 and is bent to another part of the support plate 205.
  • the support plate 205 includes a relatively movable fixed plate 2051 and an extension plate 2052, the fixed plate 2051 is fixedly arranged in the display window 203, and the flexible display attached to the fixed plate 2051
  • the surface of the panel is lower than or flush with the surface of the display window 203.
  • the outer end of the extension plate 2052 is provided with a side plate 2053, and the side plate 2053 is magnetically attached to the housing 201 or away from the housing 201.
  • the fixing plate 2051 and the extension plate 2052 are interlocked and arranged, that is, the fixing plate 2051 and the extension plate 2052 are filled into one body by crossing the gaps.
  • the two support plates 205 have the same height, and the surfaces are flush and fit.
  • the surface of the flexible display panel on the surface of the support plate 205 is flush, and at the same time, it is avoided that the two support plates 205 are stacked to increase the thickness of the display device.
  • the fixing plate 2051 and the extension plate 2052 are in a grid-shaped fit:
  • the extension plate 2052 includes a first frame, and a first fence support 2061 located in the first frame, One end of the first frame is open;
  • the fixing plate 2051 includes a second frame, and a second fence support 2062 located in the second frame, one end of the second frame is open;
  • the open end is movably connected to the open end of the second frame, and the first fence support 2061 and the second fence support 2062 can be interlaced and fitted.
  • the fixing plate 2051 is in sliding fit with the extension plate 2052, the inner side of the first fence support 2061 is provided with a locking edge 2063, and the inner side of the second fence support 2062 is provided with a sliding groove, and the locking edge 2063 Sliding with the sliding groove.
  • the first fence support 2061 includes a plurality of mutually parallel first fences, the first fences are disposed toward the open end of the first frame, and the second fence support 2062 includes a plurality of mutually parallel The second grille, the second grille is set toward the open end of the second frame; in the first grille support 2061, at least two of the first grille are provided with the clamping edges 2063 inside, In addition, there is at least one fence between the two grids of the clamping edge 2063; the end of the sliding groove stops on the surface where it is located, and serves as a limit for the clamping edge 2063; the second fence support The numbers and positions of the sliding grooves provided inside the piece 2062 and the clamping edges 2063 are corresponding.
  • a cavity 2054 is formed on the surface of the fixing plate 2051.
  • One end of the cavity 2054 is open and the other end is closed.
  • the plate 2052 is sleeved with the cavity 2054, and the extension plate 2052 enters from the open end of the cavity 2054 and is slidingly fitted with the cavity 2054;
  • the surface of the fixing plate 2051 faces the cavity 2054
  • a convex edge 2055 is formed on the edge of the concave cavity 2054, and the convex edge 2055 is used to restrict the extension plate 2052 to move in the concave cavity 2054;
  • the surface of the extension plate 2052 is provided with a boss 2056, so
  • the boss 2056 is located in the area enclosed by the boss 2055, and the surface of the boss 2056 is flush with the surface of the boss 2055, and the surface of the extension plate 2052 is in contact with the surface of the boss 2055 .
  • a patch plate 2057 is provided between the closed end of the cavity 2054 and the boss 2056.
  • the patch plate 2057 is used to fill the extension plate 2052 when the extension plate 2052 moves outward relative to the fixing plate 2051.
  • the void formed between 2052 and the cavity 2054 serves as a plane support for the flexible display panel in this area.
  • the compensation plate 2057 may be a coil spring with a certain width, the fixed end of the coil spring is arranged at the end of the boss 2056, and the acting end of the coil spring is arranged on the side wall of the cavity 2054,
  • the torsion force formed by the coil spring can be used to limit the moving space of the extension plate 2052 and at the same time can assist the extension plate 2052 to fall into the cavity 2054.
  • a seating groove is formed at the end of the boss 2056, a rotating shaft and a fixed shaft located on the side of the rotating shaft are arranged in the seating groove, and the surface of the rotating shaft is infinitely close to the seating groove and the convex
  • the fixed shaft is located at the center of the placement groove, and the center line of the fixed shaft coincides with the center line of the placement groove; the fixed end of the coil spring wirelessly approaches the side wall of the cavity 2054 and At the joint of the surface of the fixing plate 2051, the coil spring bends the rotating shaft, and the acting end of the coil spring curls and fixes the fixed shaft.
  • the support plate 205 is a material that can be bent repeatedly, the exposed part and the unexposed part of the flexible display panel are attached to the same surface of the support plate 205, and the support plate 205 corresponds to the The area of the exposed part is located in the display window 203, and the supporting plate 205 is bent to the back of the supporting plate 205 corresponding to the area of the unexposed part.
  • the inner side of the display window 203 is provided with a sliding groove 204, the outer side of the support plate 205 is provided with a clamping edge, and the support plate 205 is slidingly fitted with the display window 203.
  • the supporting plate 205 includes an extended end and a fixed end opposite to the other end, and the fixed end is arranged in a crimped manner.
  • the display device provided by the present invention includes: a housing, a display window opened on one side of the housing, and a flexible display panel arranged in the housing and the display window; the housing
  • the body is provided with a support plate, the flexible display panel is attached to the support plate, the support plate includes a fixed plate and an extension plate 3022 that are slidably fitted with each other, and the end of the exposed part of the flexible display panel is connected to the The ends of the extension plate 3022 are connected, and the support plate is used to support the flexible display panel in a static or dynamic plane.
  • the housing is also provided with a reel 303 and an active shaft 304 parallel to each other, the active shaft 304 is located at the open end of the second frame of the fixed plate, and the reel 303 is located at the opposite end of the second frame.
  • a gear 3041 is provided on the driving shaft 304, a rack 3042 meshing with the gear 3041 is provided at the bottom of the extension plate 3022, and the driving shaft 304 rotates in cooperation with the sliding of the extension plate 3022.
  • the driving shaft rotates in conjunction with the movement of the extension plate 3022.
  • the gear and the rack drive cooperate to rotate the driving shaft to
  • the flexible display panel and the transparent cover plate located in the housing are pushed out to the display window, that is, when the flexible display panel and the transparent cover plate are moving, the two ends are in a linked state, which can avoid the effect of one end
  • the technical problem that the display panel and the transparent cover plate are wrinkled due to the force, or the pulling force at one end is too large, which leads to the disconnection in the screen.
  • the surface of the flexible display panel is provided with a transparent cover 301, one end of the transparent cover 301 extends beyond the edge of the flexible display panel to form a curled end 3011, and the curled end 3011 of the transparent cover 301 is fixed to the active shaft On 304, the transparent cover 301 is bent around the reel 303, and the other end of the transparent cover 301 is fixed to the outer end of the extension plate 3022.
  • the flexible display panel 312 includes a light-emitting layer 313, a back plate 305 is provided on one side of the light-emitting layer 313, and a first optical adhesive layer 306 is passed between the back plate 305 and the light-emitting layer 313. Bonding, the other side of the light-emitting layer 313 is provided with a touch panel 307 and a polarizing layer provided on the surface of the touch panel 307.
  • the polarizing layer includes a PSA bonding layer 308 and a thin circular polarizer 309, so The touch panel 307 and the light-emitting layer 313 are bonded through a second optical adhesive layer 310, and the transparent cover 301 and the polarizing layer are bonded through a third optical adhesive layer 311.
  • the extension board 3022 is moved out of the fixed board, and the flexible display panel 312 in the housing Then move out to the display window, and combine with the flexible display panel 312 moved out of the display window to perform a large-screen display; at this time, the curled end of the transparent cover is in a stretched state
  • the extension plate 3022 when the display device is switched from the large-screen display state to the small-screen display state, the extension plate 3022 is moved to one side of the fixed plate, and the teeth on the bottom of the extension plate 3022
  • the strip 3042 drives the driving shaft 304 to rotate and at the same time curls the curling end 3011 of the transparent cover 301, then part of the flexible display panel 312 is housed in the housing, and the other part of the flexible display panel 312 is aligned Until the display window realizes a small screen display; at this time, the curled end of the transparent cover is in a curled state.
  • the support plate is made of a repeatedly bendable material, and the exposed part and the unexposed part of the flexible display panel are attached to the same surface of the support plate, which is also suitable for the above-mentioned switching scheme between large and small screens.
  • the fixed end of the support plate is crimpedly connected to the driving shaft 304, and the specific adjustment principle is similar to the above description, and will not be repeated here.
  • the beneficial effects of the present invention are: in the display device provided by the present invention, a part of the flexible display panel is housed in the housing, and the part outside the housing is used as a conventional screen display, and the display area can be enlarged after the flexible display panel in the housing is stretched out , Will not increase the volume of the display device, when switching between the large-screen display state and the small-screen display state, the panel will not be affected by bending stress, prolonging the service life of the screen.

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

一种显示装置，包括壳体（101）和柔性显示面板（102），柔性显示面板（102）可部分或全部曝露于壳体（101）外，未曝露的部分收纳至壳体（101）内，以实现大屏显示状态和小屏显示状态的切换，体积小、使用寿命久。

Description

显示装置 技术领域
本发明涉及显示制造领域，尤其涉及一种屏幕可扩展的显示装置。
 背景技术
柔性显示装置的应用越来越受市场青睐，柔性屏手机是指采用可弯曲、屏幕柔韧性佳的手机，相较于传统屏幕，柔性屏幕优势明显，不仅在体积上更加轻薄，功耗上也低于原有器件，有助于提升设备的续航能力，同时基于其可弯曲、柔韧性佳的特性，其耐用程度也大大高于以往屏幕，降低设备意外损伤的概率。
要实现柔性屏折叠功能，除了屏幕本身之外，实现折叠的连接组件，即折弯处的连接轴设计亦是最大的技术难题。现有技术的折叠屏显示装置，屏幕折叠之后，显示装置的体积较大，难以迎合轻薄显示的市场需求，且屏幕受弯折应力影响，屏幕内易出现断线风险，使用寿命有限。
综上所述，现有技术的可弯折显示装置存在体积大、使用寿命短的技术缺陷，需要提出改进。
 技术问题
本发明提供一种显示装置，柔性显示面板部分收纳于显示装置的壳体内，可根据需要拉伸延长显示面板的显示区；以解决现有技术的可弯折显示装置存在体积大、使用寿命短的技术缺陷。
 技术解决方案
为解决上述问题，本发明提供的技术方案如下：
本发明提供一种显示装置，包括：壳体，所述壳体上设置有显示窗口；柔性显示面板，所述柔性显示面板的显示区可部分或全部曝露于所述显示窗口，且未曝露的所述显示区可形变地设置于所述壳体内。
根据本发明一实施例，所述柔性显示面板表面设置有透明盖板，所述透明盖板的两端超出所述柔性显示面板的边缘形成相对的卷曲端和牵引端，所述卷曲端可舒展地设置于所述壳体内，所述牵引端可移动地设置于所述壳体外侧，所述牵引端向所述壳体外移动时，所述卷曲端舒展，位于所述壳体内的所述柔性显示面板和所述透明盖板移动至所述壳体外。
根据本发明一实施例，所述壳体内还设置有支撑板，所述支撑板位于所述显示窗口的内侧，所述柔性显示面板的曝露部分和所述透明盖板的牵引端均与所述支撑板相贴合，所述柔性显示面板的未曝露部分弯折至所述支撑板的另一侧。
根据本发明一实施例，所述壳体内还设置有相互平行的卷轴和主动轴，所述主动轴位于所述壳体设置所述牵引端的一端，所述卷轴位于所述壳体的相对另一端，所述透明盖板的卷曲端固定于所述主动轴上，所述透明盖板的中部绕曲所述卷轴，且所述透明盖板的牵引端固定于所述支撑板的外端，所述主动轴上设置有齿轮，所述支撑板底部设置有与所述齿轮相啮合的齿条，所述主动轴配合所述支撑板的移动而转动，所述牵引端向所述壳体外移动时，所述齿轮与所述齿条传动配合，使所述主动轴转动以将位于所述壳体内的所述柔性显示面板和所述透明盖板推出至所述显示窗口。
根据本发明一实施例，所述支撑板包括固定板和延伸板，所述固定板设置于所述显示窗口内，所述延伸板与所述固定板活动配合以延伸形成虚拟显示窗口，所述柔性显示面板的一端与所述延伸板的一端相连接。
根据本发明一实施例，所述延伸板与所述固定板相嵌合设置，且所述延伸板相对所述固定板在嵌合状态和延伸状态均与所述固定板表面平齐。
根据本发明一实施例，所述延伸板包括第一边框，以及位于所述第一边框内的第一栅栏支撑件，所述第一边框的一端开口；所述固定板包括第二边框，以及位于所述第二边框内的第二栅栏支撑件，所述第二边框的一端开口；所述第一边框的开口端与所述第二边框的开口端活动连接，所述第一栅栏支撑件与所述第二栅栏支撑件可交错嵌合。
根据本发明一实施例，所述延伸板与所述固定板滑动配合，所述第一栅栏支撑件的内侧设置有卡边，所述第二栅栏支撑件的内侧设置有滑槽，所述卡边与所述滑槽滑动配合。
根据本发明一实施例，所述延伸板的外端设置有侧板，所述侧板与所述壳体相贴合或远离所述壳体。
根据本发明一实施例，所述壳体内还设置有支撑板，所述支撑板为可重复弯折材料，所述支撑板部分位于所述显示窗口，其余部分卷曲设置于所述壳体内，所述透明盖板和所述柔性显示面板贴合于所述支撑板表面。
根据本发明一实施例，所述支撑板包括延伸端以及相对另一端的固定端，所述固定端卷曲设置。
所述壳体内还设置有相互平行的卷轴和主动轴，所述主动轴位于所述壳体设置所述牵引端的一端，所述卷轴位于所述壳体的相对另一端，所述支撑板的固定端固定于所述主动轴上，所述支撑板的中部绕曲所述卷轴，且所述支撑板的延伸端与所述壳体内侧滑动配合，所述主动轴上设置有齿轮，所述支撑板底部设置有与所述齿轮相啮合的齿条，所述主动轴配合所述支撑板的移动而转动，所述支撑板向所述壳体外移动时，所述齿轮与所述齿条传动配合，使所述主动轴转动以将位于所述壳体内的所述柔性显示面板和所述透明盖板推出至所述显示窗口。
根据本发明一实施例，所述显示窗口内侧设置有滑槽，所述支撑板外侧设置有卡边，所述支撑板与所述显示窗口滑动配合。
 有益效果
与现有技术相比，本发明提供的显示装置，将柔性显示面板一部分收容于壳体内，位于壳体外的部分用作常规屏幕显示，将壳体内的柔性显示面板拉伸出后可扩大显示区，不会增加显示装置体积，在大屏显示状态和小屏显示状态之间切换时，面板不会受到弯折应力影响，延长屏幕使用寿命。
 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1a为本发明提供的显示装置小屏显示状态结构示意图；
图1b为本发明提供的显示装置大屏显示状态结构示意图。
图2a为本发明提供的显示装置支撑板展开状态结构示意图；
图2b为本发明提供的显示装置支撑板合并状态结构示意图；
图2c为本发明提供的显示装置一结构爆炸图；
图2d为本发明提供的显示装置另一结构爆炸图；
图2e为本发明提供的显示装置另一实施例结构示意图；
图2f为本发明提供的显示装置又一实施例结构示意图。
图3a为本发明提供的显示装置卷曲系统结构示意图。
图3b为本发明提供的显示装置的OLED显示面板展开形态图；
图3c为图3b中OLED显示面板膜层结构示意图。
图3d为本发明提供的显示装置的OLED显示面板卷曲形态图；
图3e为图3d中OLED显示面板膜层结构示意图。
 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，用以例示本发明可用以实施的特定实施例。本发明所提到的方向用语，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发明，而非用以限制本发明。在图中，结构相似的单元是用以相同标号表示。
本发明针对现有技术的可弯折显示装置存在体积大、使用寿命短的技术缺陷提出改进，本实施例能够解决该缺陷。
如图1a-1b所示，本发明实施例提供的显示面板，包括壳体101，以及位于所述壳体101内的柔性显示面板102；所述壳体101底部设置有底盖，所述壳体101表面开设有用于曝露所述柔性显示面板102的显示窗口103，所述显示窗口103与所述柔性显示面板102活动配合，未曝露的所述柔性显示面板102收纳于所述壳体101内。
如图1a所示，在小屏显示状态下，所述柔性显示面板102填充所述显示窗口103，所述柔性显示面板102的其余部分卷曲设置于所述壳体101内。
如图1b所示，在大屏显示状态下，将所述柔性显示面板102的端部向外拉伸，位于所述显示窗口103的所述柔性显示面板102移动至所述显示窗口103之外，且位于所述壳体101内的所述柔性显示面板102移动至所述显示窗口103，显示面积为位于所述显示窗口103的所述柔性显示面板102的显示区面积与所述显示窗口103之外的所述柔性显示面板102的显示区面积之和。
移动至所述显示窗口103之外的部分为虚拟显示窗口104，因此虚拟显示窗口104的位置是动态的，所述虚拟显示窗口104位于所述柔性显示面板102超出所述显示窗口103的部分的弯折半径内。
在双面屏显示状态下（图中未示出），将图1b所示位于所述显示窗口103之外的所述柔性显示面板102向所述壳体101背部弯折并贴合，则可实现显示装置的正反两面分别独立显示和触控。
如图2a-2f所示，本发明实施例提供的显示装置，包括壳体201、开设于所述壳体201一侧的显示窗口203，设置于所述壳体201内和所述显示窗口203的柔性显示面板，设置于所述壳体201内的主动轴207和卷轴208，设置于所述主动轴207端部的齿轮2071，所述壳体201底部设置有底盖209，所述柔性显示面板表面设置有透明盖板。
所述壳体201内还设置有支撑板205，所述支撑板205底部设置有与所述齿轮2071相啮合的齿条2072，所述柔性显示面板的曝露部分和所述透明盖板的一端部与所述支撑板205相贴合，且所述透明盖板的该端部与所述支撑板205的端部相连接，所述支撑板205用于对所述柔性显示面板在静态或动态的平面支撑。
所述透明盖板两端超出所述柔性显示面板的边缘形成相对的卷曲端和牵引端，所述卷曲端可舒展地设置于所述壳体201内，所述牵引端可移动地设置于所述壳体201外侧，所述牵引端向所述壳体201外移动时，所述卷曲端舒展，位于所述壳体201内的所述柔性显示面板和所述透明盖板移动至所述壳体201外。
如图2a-2c所示，所述柔性显示面板的曝露部分与所述支撑板205的外表面相贴合，未曝露部分位于所述壳体201内，且弯折至所述支撑板205的另一侧；所述支撑板205包括可相对活动的固定板2051和延伸板2052，所述固定板2051固定设置于所述显示窗口203内，与所述固定板2051相贴合的所述柔性显示面板的表面低于所述显示窗口203的表面或与之相平齐。所述延伸板2052的外端设置有侧板2053，所述侧板2053与所述壳体201磁吸贴合或远离所述壳体201。
所述固定板2051与所述延伸板2052相嵌合设置，即所述固定板2051与所述延伸板2052通过空缺交叉填补合为一体，两块支撑板205高度一致，表面平齐，贴合于所述支撑板205表面的所述柔性显示面板表面平齐，同时还避免了两块所述支撑板205层叠而增加显示装置的厚度。
参照图2a至2d所示，所述固定板2051与所述延伸板2052为栅形配合：所述延伸板2052包括第一边框，以及位于所述第一边框内的第一栅栏支撑件2061，所述第一边框的一端开口；所述固定板2051包括第二边框，以及位于所述第二边框内的第二栅栏支撑件2062，所述第二边框的一端开口；所述第一边框的开口端与所述第二边框的开口端活动连接，所述第一栅栏支撑件2061与所述第二栅栏支撑件2062可交错嵌合。
所述固定板2051与所述延伸板2052滑动配合，所述第一栅栏支撑件2061的内侧设置有卡边2063，所述第二栅栏支撑件2062的内侧设置有滑槽，所述卡边2063与所述滑槽滑动配合。
所述第一栅栏支撑件2061包括多个相互平行的第一栅骨，所述第一栅骨朝向所述第一边框的开口端设置，所述第二栅栏支撑件2062包括多个相互平行的第二栅骨，所述第二栅骨朝向所述第二边框的开口端设置；所述第一栅栏支撑件2061中，至少两个所述第一栅骨内侧设置有所述卡边2063，且设置所述卡边2063的两个栅骨之间至少间隔一个栅骨；所述滑槽的端部止于其所在表面，用作对所述卡边2063的限位；所述第二栅栏支撑件2062内侧设置的所述滑槽与所述卡边2063的数量与位置相对应。
如图2e所示，所述固定板2051与所述延伸板2052为抽屉式配合：所述固定板2051表面形成有凹腔2054，所述凹腔2054一端开口，相对另一端封闭，所述延伸板2052与所述凹腔2054套接，所述延伸板2052从所述凹腔2054的开口端进入，并与所述凹腔2054滑动配合；所述固定板2051表面向所述凹腔2054内延伸，在所述凹腔2054边缘形成凸边2055，所述凸边2055用于将所述延伸板2052限定在所述凹腔2054内移动；所述延伸板2052表面设置有凸台2056，所述凸台2056位于所述凸边2055围合的区域内，且所述凸台2056表面与所述凸边2055表面相平齐，所述延伸板2052表面与所述凸边2055表面相贴合。
所述凹腔2054的封闭端与所述凸台2056之间设置有补平板2057，所述补平板2057用于填补所述延伸板2052相对所述固定板2051向外移动后，所述延伸板2052与所述凹腔2054之间形成的空缺，用作该区域的所述柔性显示面板的平面支撑。
例如，所述补平板2057可以为具有一定宽度的卷簧，所述卷簧的固定端设置于所述凸台2056端部，所述卷簧的作用端设置于所述凹腔2054侧壁，所述卷簧形成的扭力可用于对所述延伸板2052的移动空间进行限定，同时可辅助所述延伸板2052归入凹腔2054。
进一步，所述凸台2056端部形成有安置槽，所述安置槽内设置有转动轴、以及位于转动轴侧方的固定轴，所述转动轴的表面无限接近所述安置槽与所述凸台2056的连接处，所述固定轴位于安置槽中心处，所述固定轴的中线与所述安置槽的中心线相重合；所述卷簧的固定端无线接近所述凹腔2054侧壁与所述固定板2051表面的连接处，所述卷簧绕曲所述转动轴，所述卷簧的作用端卷曲所述固定轴并与之固定。
如图2f所示，所述支撑板205为可重复弯折材料，所述柔性显示面板的曝露部分与未曝露部分贴合于所述支撑板205的同一面，且所述支撑板205对应所述曝露部分的区域位于所述显示窗口203，所述支撑板205对应所述未曝露部分的区域弯折至所述支撑板205背部。
所述显示窗口203内侧设置有滑槽204，所述支撑板205外侧设置有卡边，所述支撑板205与所述显示窗口203滑动配合。
所述支撑板205包括延伸端以及相对另一端的固定端，所述固定端卷曲设置。
如图3a所示，本发明提供的显示装置，包括：壳体、开设于所述壳体一侧的显示窗口，以及设置于所述壳体内和所述显示窗口的柔性显示面板；所述壳体内设置有支撑板，所述柔性显示面板与所述支撑板相贴合，所述支撑板包括相互滑动配合的固定板和延伸板3022，所述柔性显示面板的曝露部分的端部与所述延伸板3022的端部相连接，所述支撑板用于对所述柔性显示面板在静态或动态的平面支撑。
所述壳体内还设置有相互平行的卷轴303和主动轴304，所述主动轴304位于所述固定板的第二边框的开口端，所述卷轴303位于所述第二边框的相对另一端，所述主动轴304上设置有齿轮3041，所述延伸板3022底部设置有与所述齿轮3041相啮合的齿条3042，所述主动轴304配合所述延伸板3022的滑动而转动。
所述主动轴配合所述延伸板3022的移动而转动，所述透明盖板的牵引端向所述壳体外移动时，所述齿轮与所述齿条传动配合，使所述主动轴转动以将位于所述壳体内的所述柔性显示面板和所述透明盖板推出至所述显示窗口，即所述柔性显示面板和所述透明盖板在移动时，两端为联动状态，可避免一端作用力导致的所述显示面板和所述透明盖板出现褶皱或一端拉力过大导致屏内断线的技术问题。
所述柔性显示面板表面设置有透明盖板301，所述透明盖板301的一端超出所述柔性显示面板的边缘形成卷曲端3011，所述透明盖板301的卷曲端3011固定于所述主动轴304上，所述透明盖板301绕曲所述卷轴303，且所述透明盖板301的另一端固定于所述延伸板3022的外端。
参照图3b-3e，所述柔性显示面板312包括发光层313，所述发光层313一侧设置有背板305，所述背板305与所述发光层313之间通过第一光学胶层306粘接，所述发光层313的另一侧设置有触控面板307、设置于所述触控面板307表面的偏光层，所述偏光层包括PSA粘接层308和薄型圆偏光片309，所述触控面板307与所述发光层313通过第二光学胶层310粘接，所述透明盖板301与所述偏光层通过第三光学胶层311粘接。
参照图3b和3c所示，当所述显示装置从小屏显示状态切换至大屏显示状态时，将所述延伸板3022相对所述固定板移出，位于所述壳体内的所述柔性显示面板312随之移出至所述显示窗口，与移出所述显示窗口的所述柔性显示面板312组合进行大屏显示；此时所述透明盖板的卷曲端呈舒展状态
参照图3d和3e所示，当所述显示装置从大屏显示状态切换至小屏显示状态时，将所述延伸板3022向所述固定板的一侧移动，所述延伸板3022底部的齿条3042带动所述主动轴304转动，同时对所述透明盖板301的卷曲端3011进行卷曲，则部分所述柔性显示面板312收容至所述壳体内，另一部分所述柔性显示面板312对位至所述显示窗口实现小屏显示；此时所述透明盖板的卷曲端呈卷曲状态。
所述支撑板为可重复弯折材料、所述柔性显示面板的曝露部分与未曝露部分贴合于所述支撑板的同一面的实施例同样适配上述大、小屏之间切换方案，所述支撑板的固定端与所述主动轴304卷曲连接，具体的调节原理与上述表述类似，此处不再赘述。
本发明的有益效果为：本发明提供的显示装置，将柔性显示面板一部分收容于壳体内，位于壳体外的部分用作常规屏幕显示，将壳体内的柔性显示面板拉伸出后可扩大显示区，不会增加显示装置体积，在大屏显示状态和小屏显示状态之间切换时，面板不会受到弯折应力影响，延长屏幕使用寿命。
综上所述，虽然本发明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发明，本领域的普通技术人员，在不脱离本发明的精神和范围内，均可作各种更动与润饰，因此本发明的保护范围以权利要求界定的范围为准。

Claims (15)

  1. 显示装置，其包括：壳体，所述壳体上设置有显示窗口；柔性显示面板，所述柔性显示面板的显示区可部分或全部曝露于所述显示窗口，且未曝露的所述显示区可形变地设置于所述壳体内。
  2. 根据权利要求1所述的显示装置，其中，所述柔性显示面板表面设置有透明盖板，所述透明盖板的两端超出所述柔性显示面板的边缘形成相对的卷曲端和牵引端，所述卷曲端可舒展地设置于所述壳体内，所述牵引端可移动地设置于所述壳体外侧，所述牵引端向所述壳体外移动时，所述卷曲端舒展，位于所述壳体内的所述柔性显示面板和所述透明盖板移动至所述壳体外。
  3. 根据权利要求2所述的显示装置，其中，所述壳体内还设置有支撑板，所述支撑板位于所述显示窗口的内侧，所述柔性显示面板的曝露部分和所述透明盖板的牵引端均与所述支撑板相贴合，所述柔性显示面板的未曝露部分弯折至所述支撑板的另一侧。
  4. 根据权利要求3所述的显示装置，其中，所述壳体内还设置有相互平行的卷轴和主动轴，所述主动轴位于所述壳体设置所述牵引端的一端，所述卷轴位于所述壳体的相对另一端，所述透明盖板的卷曲端固定于所述主动轴上，所述透明盖板的中部绕曲所述卷轴，且所述透明盖板的牵引端固定于所述支撑板的外端，所述主动轴上设置有齿轮，所述支撑板底部设置有与所述齿轮相啮合的齿条，所述主动轴配合所述支撑板的移动而转动，所述牵引端向所述壳体外移动时，所述齿轮与所述齿条传动配合，使所述主动轴转动以将位于所述壳体内的所述柔性显示面板和所述透明盖板推出至所述显示窗口。
  5. 根据权利要求3所述的显示装置，其中，所述支撑板包括固定板和延伸板，所述固定板设置于所述显示窗口内，所述延伸板与所述固定板活动配合以延伸形成虚拟显示窗口，所述柔性显示面板的一端与所述延伸板的一端相连接。
  6. 根据权利要求5所述的显示装置，其中，所述延伸板与所述固定板相嵌合设置，且所述延伸板相对所述固定板在嵌合状态和延伸状态均与所述固定板表面平齐。
  7. 根据权利要求6所述的显示装置，其中，所述延伸板的外端设置有侧板，所述侧板与所述壳体相贴合或远离所述壳体。
  8. 根据权利要求6所述的显示装置，其中，所述延伸板包括第一边框，以及位于所述第一边框内的第一栅栏支撑件，所述第一边框的一端开口；所述固定板包括第二边框，以及位于所述第二边框内的第二栅栏支撑件，所述第二边框的一端开口；所述第一边框的开口端与所述第二边框的开口端活动连接，所述第一栅栏支撑件与所述第二栅栏支撑件可交错嵌合。
  9. 根据权利要求8所述的显示装置，其中，所述延伸板与所述固定板滑动配合，所述第一栅栏支撑件的内侧设置有卡边，所述第二栅栏支撑件的内侧设置有滑槽，所述卡边与所述滑槽滑动配合。
  10. 根据权利要求6所述的显示装置，其中，所述固定板与所述延伸板为抽屉式配合：所述固定板表面形成有凹腔，所述凹腔一端开口，相对另一端封闭，所述延伸板与所述凹腔套接，所述延伸板从所述凹腔的开口端进入，并与所述凹腔滑动配合；所述固定板表面向所述凹腔内延伸，在所述凹腔边缘形成凸边，所述凸边用于将所述延伸板限定在所述凹腔内移动；所述延伸板表面设置有凸台，所述凸台位于所述凸边围合的区域内，且所述凸台表面与所述凸边表面相平齐，所述延伸板表面与所述凸边表面相贴合。
  11. 根据权利要求10所述的显示装置，其中，所述凹腔的封闭端与所述凸台之间设置有补平板，所述补平板用于填补所述延伸板相对所述固定板向外移动后，所述延伸板与所述凹腔之间形成的空缺，用作该区域的所述柔性显示面板的平面支撑。
  12. 根据权利要求2所述的显示装置，其中，所述壳体内还设置有支撑板，所述支撑板为可重复弯折材料，所述支撑板部分位于所述显示窗口，其余部分卷曲设置于所述壳体内，所述透明盖板和所述柔性显示面板贴合于所述支撑板表面。
  13. 根据权利要求12所述的显示装置，其中，所述支撑板包括延伸端以及相对另一端的固定端，所述固定端卷曲设置。
  14. 根据权利要求13所述的显示装置，其中，所述壳体内还设置有相互平行的卷轴和主动轴，所述主动轴位于所述壳体设置所述牵引端的一端，所述卷轴位于所述壳体的相对另一端，所述支撑板的固定端固定于所述主动轴上，所述支撑板的中部绕曲所述卷轴，且所述支撑板的延伸端与所述壳体内侧滑动配合，所述主动轴上设置有齿轮，所述支撑板底部设置有与所述齿轮相啮合的齿条，所述主动轴配合所述支撑板的移动而转动，所述支撑板向所述壳体外移动时，所述齿轮与所述齿条传动配合，使所述主动轴转动以将位于所述壳体内的所述柔性显示面板和所述透明盖板推出至所述显示窗口。
  15. 根据权利要求14所述的显示装置，其中，所述显示窗口内侧设置有滑槽，所述支撑板外侧设置有卡边，所述支撑板与所述显示窗口滑动配合。
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