WO2021218360A1 - Dispositif d'affichage - Google Patents

Dispositif d'affichage Download PDF

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Publication number
WO2021218360A1
WO2021218360A1 PCT/CN2021/078737 CN2021078737W WO2021218360A1 WO 2021218360 A1 WO2021218360 A1 WO 2021218360A1 CN 2021078737 W CN2021078737 W CN 2021078737W WO 2021218360 A1 WO2021218360 A1 WO 2021218360A1
Authority
WO
WIPO (PCT)
Prior art keywords
moving body
roller
flexible screen
gear
display device
Prior art date
Application number
PCT/CN2021/078737
Other languages
English (en)
Chinese (zh)
Inventor
杨鑫
Original Assignee
Oppo广东移动通信有限公司
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 Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Publication of WO2021218360A1 publication Critical patent/WO2021218360A1/fr

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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • 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
    • 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
    • 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

Definitions

  • This application relates to the field of display technology, and in particular to a display device.
  • the display device can display pictures through its display screen.
  • the flexible display screen has attracted much attention due to its foldable and bendable characteristics, and the overall size of the display device can be reduced by folding or bending the flexible display screen.
  • the flexible display screen is prone to abut against the surrounding shell structure during movement to form friction, thereby affecting the normal movement of the flexible display screen.
  • the embodiment of the present application provides a display device, which can improve the smoothness of the movement of the flexible screen assembly during the movement.
  • An embodiment of the application provides a display device, including:
  • a roller the roller is arranged at one end of the first moving body, and the roller is rotatable relative to the first moving body;
  • a flexible screen assembly one end of the flexible screen assembly is connected to the first moving body, and the other end of the flexible screen assembly is connected to the second moving body by bypassing the roller;
  • the limiting component, the limiting component and the roller are arranged on the same end of the first moving body, and the limiting component is arranged on the outside of the roller, so that a part of the flexible screen assembly is located at the same end Between the limit component and the roller;
  • first moving body and the second moving body can move relative to each other in directions close to or away from each other to drive the flexible screen assembly to move, and the movement of the flexible screen assembly drives the roller Rotate.
  • the first moving body and the second moving body may perform relative movement.
  • the first moving body and the second moving body drive the flexible screen to move and the roller to rotate during the movement.
  • the bending radius of the flexible screen assembly during the movement can be maintained through the limit of the limit assembly on the outer side of the roller, and the bending radius of the flexible screen assembly during the movement can be prevented from being too large.
  • the flexible screen assembly is prevented from abutting against the outer structural component shell due to the increase in the bending radius during the movement, so that the smoothness of the flexible screen assembly during the movement can be improved.
  • FIG. 1 is a schematic diagram of a first structure of a display device provided by an embodiment of the application.
  • FIG. 2 is a schematic diagram of a second structure of a display device provided by an embodiment of the application.
  • FIG. 3 is a schematic diagram of a third structure of a display device provided by an embodiment of the application.
  • FIG. 4 is a schematic diagram of a fourth structure of a display device provided by an embodiment of the application.
  • Fig. 5 is a side view of the display device shown in Fig. 3.
  • Fig. 6 is a side view of the display device shown in Fig. 4.
  • Fig. 7 is a cross-sectional view of the display device shown in Fig. 3.
  • Fig. 8 is a cross-sectional view of the display device shown in Fig. 4.
  • FIG. 9 is a schematic diagram of the cooperation between the first moving body and the second moving body in the display device provided by the embodiment of the application.
  • FIG. 10 is a schematic structural diagram of a limiting component in a display device provided by an embodiment of the application.
  • Fig. 11 is an exploded view of the limiting component shown in Fig. 10.
  • FIG. 12 is a schematic diagram of the structure of the cooperation between the position-limiting component and the roller in the display device provided by an embodiment of the application.
  • FIG. 13 is a schematic structural diagram of a flexible screen assembly in a display device provided by an embodiment of the application.
  • FIG. 14 is a schematic structural diagram of a transmission assembly of a display device provided by an embodiment of the application.
  • Fig. 15 is an exploded view of the transmission assembly shown in Fig. 14.
  • FIG. 16 is a schematic structural diagram of the cooperation of the transmission component and the roller in the display device provided by the embodiment of the application.
  • FIG. 17 is a schematic structural diagram of a first moving body in a display device provided by an embodiment of the application.
  • Fig. 18 is an exploded view of the first moving body shown in Fig. 17.
  • FIG. 19 is a schematic diagram of the cooperation of the roller, the limiting component, and the first fixing plate in the display device provided by an embodiment of the application.
  • FIG. 20 is a schematic structural diagram of a second moving body in a display device provided by an embodiment of the application.
  • Fig. 21 is an exploded view of the second moving body shown in Fig. 20.
  • An embodiment of the application provides a display device, including:
  • a roller the roller is arranged at one end of the first moving body, and the roller is rotatable relative to the first moving body;
  • a flexible screen assembly one end of the flexible screen assembly is connected to the first moving body, and the other end of the flexible screen assembly is connected to the second moving body by bypassing the roller;
  • the limiting component, the limiting component and the roller are arranged on the same end of the first moving body, and the limiting component is arranged on the outside of the roller, so that a part of the flexible screen assembly is located at the same end Between the limit component and the roller;
  • first moving body and the second moving body can move relative to each other in directions close to or away from each other to drive the flexible screen assembly to move, and the movement of the flexible screen assembly drives the roller Rotate.
  • the limiting component can rotate relative to the first moving body; when the first moving body and the second moving body move relative to each other in a mutually approaching direction, The limit assembly is used to limit the movement of the flexible screen assembly between the limit assembly and the roller, so as to prevent the bending radius of the flexible screen assembly from becoming larger; When the second moving body moves in a direction away from each other, the flexible screen assembly moves around the roller.
  • the limiting component includes:
  • a limit shaft, the limit shaft is arranged at one end of the first moving body
  • At least one limit sleeve the at least one limit sleeve is sleeved on the limit shaft, and the at least one limit sleeve can rotate around the limit shaft;
  • At least one elastic element the at least one elastic element abuts against the limiting shaft and the first moving body to form an elastic force that pushes the limiting shaft toward the roller direction.
  • the flexible screen assembly includes a flexible screen and a support sheet provided on a non-display surface of the flexible screen, the support sheet abuts against the roller, and the flexible screen is It is limited between the limiting shaft and the roller, and a part of the supporting sheet is limited between the limiting sleeve and the roller.
  • the flexible screen assembly includes a flexible screen and a support sheet provided on a non-display surface of the flexible screen, the support sheet abuts the roller, and the flexible screen A part and a part of the supporting sheet are confined between the limiting shaft and the roller.
  • one end of the limit shaft is fixedly connected to one side of the first moving body through a torsion spring, and the other end of the limit shaft is fixedly connected to one side of the first moving body through a torsion spring. The other side of the first moving body.
  • the diameter of the limiting shaft and the diameter of the limiting sleeve are both smaller than the diameter of the roller.
  • the limiting shaft is provided with at least one slot, and one limiting sleeve is provided in one of the slots.
  • the limiting component is fixedly connected to one end of the first moving body, and the distance between the limiting component and the roller is slightly larger than the thickness of the flexible screen component.
  • the display device further includes a transmission assembly, and the transmission assembly is used to drive the first moving body and the second moving body to move relative to each other.
  • the transmission assembly includes a rack, a first gear meshed with the rack, and a second gear meshed with the first gear.
  • the rack is disposed on the On the first moving body, the first gear and the second gear are both arranged on the second moving body, and the second gear is fixedly connected to the roller; wherein, the rack is used to drive the The first gear, the second gear, and the roller rotate so that the first moving body and the second moving body move relative to each other in directions that are close to or away from each other, and the flexible screen assembly surrounds The roller moves.
  • the transmission assembly further includes a transmission belt, and the inner surface of the transmission belt is provided with teeth meshing with the first gear and the second gear.
  • the first moving body includes a main body, a first fixing plate, and a second fixing plate, the first fixing plate is disposed on one side of the main body, and the second fixing plate Is provided on the other side of the body;
  • the first fixed plate is provided with the first gear, the second gear, and the transmission belt;
  • the second fixed plate is provided with the first gear, One said second gear and one said transmission belt;
  • one side of said second moving body is provided with said rack, the other side of said second moving body is also provided with said rack, one said gear Meshes with a first gear;
  • the roller is arranged between the first fixing plate and the second fixing plate, one end of the roller is fixedly connected with a second gear, and the other of the roller One end is fixedly connected with the other second gear.
  • the limiting component is disposed between the first fixing plate and the second fixing plate.
  • the first gear includes a first tooth portion, a first connecting portion, and a second tooth portion
  • the first fixing plate is provided with a device for accommodating the first connecting portion.
  • the first tooth part is located inside the first fixing plate
  • the first tooth part is meshed with the rack
  • the second tooth part is located outside the first fixing plate.
  • the second tooth portion meshes with the second rack.
  • the second gear is provided with a fixing hole
  • the end of the roller is provided with a rotating shaft
  • the rotating shaft is arranged in the fixing hole.
  • the first gear is arranged at the other end of the first moving body.
  • the roller is provided with a plurality of grooves spaced apart from each other, the first moving body is provided with a plurality of protrusions, and one of the protrusions is provided in one of the grooves. .
  • the first moving body is provided with a first guiding structure
  • the second moving body is provided with a second guiding structure
  • the first guiding structure and the second guiding structure Cooperate to define the direction of the relative movement of the first moving body and the second moving body.
  • FIG. 1 is a first structural diagram of a display device according to an embodiment of this application
  • FIG. 2 is a second structural diagram of a display device according to an embodiment of this application.
  • the display device 20 may include a first moving body 100, a second moving body 200 and a flexible screen assembly 300.
  • the first moving body 100 and the second moving body 200 are slidably connected so that the first moving body 100 and the second moving body 200 move in a direction close to each other or away from each other, so as to realize the difference between the expanded state and the collapsed state. Switch between. Among them, the collapsed state can refer to FIG.
  • FIG. 1 that is, the state where the first moving body 100 and the second moving body 200 move relative to each other in a direction close to each other and finally formed.
  • FIG. 2 that is, the state formed by the relative movement of the first moving body 100 and the second moving body 200 in directions away from each other.
  • first moving body 100 and the second moving body 200 can have multiple unfolding states.
  • the maximum moving distance of the first moving body 100 and the second moving body 200 in the direction away from each other is H
  • the first moving body The body 100 and the second moving body 200 can move away from each other in the retracted state, so as to reach the unfolded state with a quarter H, a half H, and a three-quarter H at equal distances.
  • the gradually distant state can be sequentially defined as the first unfolded state, the second unfolded state, the third unfolded state, and so on.
  • the distance between the first moving body 100 and the second moving body 200 in the first unfolded state is four.
  • One part H the first moving body 100 and the second moving body 200 can still move away from each other to reach the second unfolded state, such as the first moving body 100 and the second moving body 200 are relatively far away from each other in the second unfolded state
  • the distance of movement is one-half H.
  • the one or more unfolding states of the first moving body 100 and the second moving body 200 in the embodiment of the present application are merely examples, and do not constitute a comparison of the first moving body 100 and the second moving body in the embodiment of the present application. 200 limit of expanded state.
  • the first moving body 100 and the second moving body 200 can support the flexible screen assembly 300.
  • the first moving body 100 and the second moving body 200 can drive the flexible screen assembly 300 to move together during mutual movement, or drive the flexible screen assembly 300 to move, so that the length of the flexible screen assembly 300 can be adjusted, and the display device can be changed accordingly.
  • the size of the display area is fixedly connected to the first moving body 100, and the other end of the flexible screen assembly 300 is fixedly connected to the second moving body 200.
  • the first moving body 100 and the second moving body 200 can support the flexible screen assembly 300.
  • the first moving body 100 and the second moving body 200 can drive the flexible screen assembly 300 to move together during mutual movement, or drive the flexible screen assembly 300 to move, so that the length of the flexible screen assembly 300 can be adjusted, and the display device can be changed accordingly.
  • the size of the display area is fixedly connected to the first moving body 100, and the other end of the flexible screen assembly 300 is fixedly connected to the second moving body 200.
  • the first moving body 100 and the second moving body 200 can drive a part of the flexible screen assembly 300 to be stored inside the display device 20, such as a display device 20 of the first housing 115.
  • the first moving body 100 and the second moving body 200 can drive a part of the flexible screen assembly 300 to protrude from the inside of the display device 20.
  • first housing 115 may be covered on the periphery of the first moving body 100
  • second housing 230 may be covered on the periphery of the second moving body 200.
  • the flexible screen assembly 300 will be folded under the action of external force. , Curling, etc., to abut against the first housing 115 of the display device 20, thereby generating friction, which affects the smoothness of the flexible screen assembly 300 during the movement.
  • the bending radius of the flexible screen assembly 300 will increase due to deformation such as curling, folding, etc. during the movement, which is not conducive to the slim design of the display device 20.
  • the long-term friction between the flexible screen assembly 300 and the first housing 115 of the display device 20 can easily damage the flexible screen assembly 300 and reduce the service life of the flexible screen assembly 300.
  • the bending part of the flexible screen assembly 300 can be limited by a limiting component to limit the movement of the flexible screen assembly 300.
  • the bending radius in the process is to limit the space of the flexible screen assembly 300 at the bending part, and to keep the flexible screen assembly 300 from expanding the bending radius, which is beneficial to the slimming of the display device 20.
  • the limiting component can also prevent the flexible screen assembly 300 from contacting the outer structure such as the first housing 115 to form friction during the movement, thereby improving the smoothness of the flexible screen assembly 300 and increasing the life of the flexible screen assembly 300.
  • FIG. 3 is a schematic diagram of a third structure of a display device provided by an embodiment of this application
  • FIG. 4 is a schematic diagram of a fourth structure of a display device provided by an embodiment of this application
  • FIG. 5 is the display shown in FIG. 3
  • Fig. 6 is a side view of the display device shown in Fig. 4
  • Fig. 7 is a cross-sectional view of the display device shown in Fig. 3
  • Fig. 8 is a cross-sectional view of the display device shown in Fig. 4
  • Fig. 9 is provided for an embodiment of the application
  • the display device 20 may further include a roller 400, and the roller 400 may be disposed at one end of the first moving body 100, and the first moving body 100 may be provided with an escape space for installing the roller 400.
  • the roller 400 may be connected with the first moving body 100 by using a pin shaft, so that the roller 400 can roll or rotate relative to the first moving body 100.
  • One end of the flexible screen assembly 300 is fixedly connected to the first moving body 100, and the other end of the flexible screen assembly 300 is fixedly connected to the second moving body 200 around the roller 400. That is, the flexible screen assembly 300 can bypass the roller 400 to connect the first moving body 100 and the second moving body 200, so that the flexible screen assembly 300 can drive the roller 400 to rotate in a moving state.
  • the display device 20 may also include a limit component 500.
  • the limiting component 500 may be disposed at one end of the first moving body 100, and the limiting component 500 and the roller 400 are disposed at the same end of the first moving body 100.
  • FIG. 12 is a structural schematic diagram of the cooperation between the limiting component and the roller wheel in the display device provided by an embodiment of the application.
  • a gap 201 is provided to accommodate a part of the flexible screen assembly 300, that is, a part of the flexible screen assembly is located between the limiting assembly 500 and the roller 400.
  • the embodiment of the present application can limit the bending part (or the part around the roller 400) of the flexible screen assembly 300 through the cooperation of the limit assembly 500 and the roller 400, so as to limit the bending of the flexible screen assembly 300 during the movement.
  • the radius defines the space at the bending portion of the flexible screen assembly 300, and keeps the flexible screen assembly 300 from expanding the bending radius, which is beneficial to the lightness and thinness of the display device 20.
  • the cooperation of the limiter assembly 500 and the roller 400 can also prevent the flexible screen assembly 300 from contacting the outer structure such as the first housing 115 to form friction during the movement, thereby improving the smoothness of the movement of the flexible screen assembly 300 and increasing The life of the flexible screen assembly 300.
  • the flexible screen assembly 300 is forced to follow the first moving body 100 and the second moving body 200.
  • the relative movement in directions away from each other reveals the part housed in the first moving body 100 to increase the display area of the flexible screen assembly 300.
  • the flexible screen assembly 300 follows the first moving body 100 to move relative to each other in a direction away from each other, the flexible screen assembly 300 closely adheres to the roller 400 to move, and the roller 400 follows the movement of the flexible screen assembly 300. Rotate. During this process, the force received by the flexible screen assembly 300 is applied to the roller 400 to drive the roller 400 to rotate. The movement of the flexible screen assembly 300 will not cause deformation such as curling or bending, that is, it will not increase its bending radius, and It does not abut against external structures such as the first housing 115 and generate frictional force. At this time, the limit component 500 can limit the flexible screen assembly 300, and the limit component 500 may not limit it.
  • the limit assembly 500 may be attached to the flexible screen assembly 300, and the limit assembly 500 may also not be attached to the flexible screen assembly 300.
  • the distance between the limiting component 500 and the roller 400 can be designed to be slightly larger than the thickness of the flexible screen component 300.
  • the flexible screen assembly 300 is forced to follow the first moving body 100 and the second moving body 200.
  • the relative movement in directions away from each other causes a part of the first moving body 100 to be stored in the first moving body 100 to reduce the display area of the flexible screen assembly 300.
  • the flexible screen assembly 300 follows the relative movement of the first moving body 100 in a direction close to each other, the flexible screen assembly 300 still closely adheres to the roller 400 for movement, and the roller 400 follows the movement of the flexible screen assembly 300. While turning. During this process, part of the force received by the flexible screen assembly 300 is applied to the roller 400 to drive the roller 400 to rotate. Another part of the force received by the flexible screen assembly 300 is likely to cause the flexible screen assembly to be deformed such as curling, bending, etc., to increase the bending radius of the flexible screen assembly 300, causing the flexible screen assembly 300 to abut an outer structure such as the first housing 115 And generate friction. At this time, the limit assembly 500 can limit the flexible screen assembly 300.
  • the limit assembly 500 acts on the limit assembly 500 to perform the movement space of the flexible screen assembly 300 at the position of the roller 400.
  • the limitation is to limit the bending radius of the flexible screen assembly 300 to avoid friction caused by the flexible screen assembly 300 abutting against the outer structure such as the first housing 115.
  • the flexible screen assembly 300 follows the relative movement of the first moving body 100 and the second moving body 200 in directions away from each other, and the flexible screen assembly 300 follows the first moving body 100 and the second moving body.
  • the moving bodies 200 move relative to each other in the directions close to each other, and the flexible screen assembly 300 will be attached to the roller 400 and the limit assembly 500 to move.
  • the flexible screen assembly 300 in the embodiment of the present application moves following the relative movement of the first moving body 100 and the second moving body 200 in a direction away from each other, and the flexible screen assembly 300 will be attached to the roller 400 to move. However, it does not fit with the limit component 500.
  • the flexible screen assembly 300 follows the relative movement of the first moving body 100 and the second moving body 200 in a direction close to each other to move. This method will still increase a certain bending radius when the flexible screen assembly 300 follows the relative movement of the first moving body 100 and the second moving body 200 in the direction close to each other, but it can still reduce the flexibility to a certain extent.
  • the limiting component 500 may be designed to be rotatable relative to the first moving body.
  • the limiting component 500 is fixed on the first moving body 100 in a rotatable manner such as a pin shaft. Therefore, even if the flexible screen assembly 300 is attached to the limit assembly 500 during the movement, since the limit assembly 500 can rotate following the movement of the flexible screen assembly 300, the movement of the flexible screen assembly 300 will be relatively smooth.
  • the limiting component 500 can also be designed to not rotate relative to the first moving body 100, and to be directly fixedly connected to the first moving body 100. At this time, the part of the first moving body 100 close to the flexible screen assembly 300 can be designed to be smooth.
  • the arc-shaped structure of the flexible screen assembly 300 reduces friction when the flexible screen assembly 300 is attached to the limit assembly 500 and moves.
  • the embodiment of the present application can reduce the area where the limit component 500 and the flexible screen component 300 are bonded.
  • the limiting component 500 may include a limiting shaft 510 and at least one limiting sleeve 520.
  • the limit shaft 510 is arranged at one end of the first moving body 100, that is, at the same end as the roller 400.
  • the limit shaft 510 is fixed on the first moving body 100 and may not move.
  • the at least one limiting sleeve 520 may be one limiting sleeve 520 or multiple limiting sleeves 520, such as two limiting sleeves 520.
  • the limit sleeves 520 are all sleeved on the limit shaft 510, and the limit sleeve 520 sleeved on the limit shaft 510 is only sleeved on a part of the limit shaft 510, that is, there are still other parts of the limit shaft 510. It is sheathed by the limiting sleeve 520 and is exposed to the outside. The limit sleeve 520 is sleeved on the limit shaft 510 and can rotate relative to the limit shaft 510.
  • one of the two limit sleeves 520 is sleeved on one end of the limit shaft 510, and the other of the two limit sleeves 520 is sleeved on the other end of the limit shaft 510 . That is, one of the two limiting sleeves 520 is located on one side of the first moving body 100, and the other of the two limiting sleeves 520 is located on the other side of the first moving body 100.
  • some embodiments of the present application may provide a groove structure such as a slot 512 on the limiting shaft 510, and the limiting sleeve 520 is provided In the position of the groove structure such as the slot 512, the outer periphery of the limit sleeve 520 slightly protrudes from the limit shaft 510.
  • the size such as the diameter of the limiting shaft 510 and the size such as the diameter of the limiting sleeve 520 may be designed to be smaller than the size such as the diameter of the roller 400.
  • the flexible screen assembly 300 of the embodiment of the present application moves following the relative movement of the first moving body 100 and the second moving body 200
  • the flexible screen assembly 300 can be attached to the limit sleeve 520 to drive the limit sleeve 520 around the limit
  • the bit shaft 510 rotates. Therefore, the contact area between the flexible screen assembly 300 and the limit assembly 500 can be greatly reduced, the friction force is reduced, and the smoothness of the movement of the flexible screen assembly 300 can be improved.
  • the embodiment may design at least one elastic member 530.
  • the at least one elastic member 530 may be one or more than one, such as two elastic members 530.
  • the elastic member 530 abuts against the limiting shaft 510 and the first moving body 100 to form an elastic force for pressing the limiting shaft 510 toward the roller 400.
  • the elastic member 530 may be an elastic structure such as a torsion spring or a spring.
  • one end of the limiting shaft 510 is fixedly connected to one side of the first moving body through a torsion spring 530, and the other end of the limiting shaft 510 is fixedly connected to the first moving body through a torsion spring 530.
  • the other side of the moving body 100 For example, a torsion spring 530 is sleeved on one end of the limiting shaft 510, and the torsion spring 530 is connected to one side of the first moving body 100, and another torsion spring 530 is sleeved on the other end of the limiting shaft 510, and The other torsion spring 530 is connected to the other side of the first moving body 100.
  • the two torsion springs 530 are both connected to the outer side of one end of the first moving body 100, so that the torsion spring 530 can form an elastic force toward the roller 400 by contacting with the first moving body 100, or abutting.
  • the elastic force acts on the limit shaft 510, and the limit shaft 510 transmits the force to the limit sleeve 520. Therefore, the elastic force of the limit sleeve 520 toward the roller 400 can be maintained by the two torsion springs 530, so as to ensure that the limit sleeve 520 can always generate a pressing force with the flexible screen assembly 300.
  • FIG. 13 is a schematic structural diagram of a flexible screen assembly in a display device provided by an embodiment of the application.
  • the flexible screen assembly 300 may include a flexible screen 320 and a support sheet 340 provided on a non-display surface of the flexible screen 320.
  • the support sheet The other side of 340 abuts the roller 400.
  • Only the supporting structure can be designed at the position where the flexible screen assembly 300 and the limit component 500 such as the limit sleeve 520 abut, instead of the flexible screen structure, so as to prevent the flexible screen 320 from directly abutting against the limit sleeve 520.
  • 320 plays an effective protection.
  • the size of the flexible screen 320 is smaller than the size of the support sheet 340.
  • an abutting portion 342 may be formed on the periphery of the support sheet 340, and the abutting portion 342 may be connected to the limiting component 500.
  • the limiting sleeve 520 abuts against, or a part of the supporting sheet 340 is limited between the limiting sleeve 520 and the roller 400.
  • the flexible screen 320 of the flexible screen assembly 300 can be limited between the two limiting sleeves 520, or the flexible screen 320 can be limited between the limiting shaft 510 and the roller 400 without abutting against the limiting sleeve 520 .
  • the support sheet 340 may be made of wear-resistant materials such as metal, so that the support sheet 340 abuts against the limit sleeve 520, which not only protects the flexible screen 320, but also has abrasion resistance characteristics.
  • a part of the flexible screen 320 and a part of the supporting sheet 340 may also be directly confined between the limiting shaft 510 and the roller 400.
  • the flexible screen 320 directly abuts the limiting component 500 such as the limiting sleeve 520.
  • the flexible screen 320 of the flexible screen assembly 300 and the limit position An additional protective layer is provided at the position where the component 500 such as the limit sleeve 520 is attached.
  • FIG. 14 is a schematic structural diagram of the transmission assembly of the display device provided by an embodiment of the application
  • FIG. 15 is an exploded view of the transmission assembly shown in FIG.
  • the display device 20 may further include a transmission assembly such as a transmission assembly 600 for transmitting the movement of the first moving body 100 and the second moving body 200.
  • a part of the transmission assembly 600 may be disposed on the first moving body 100, and another part of the transmission assembly 600 may be disposed on the second moving body 200.
  • the transmission assembly 600 includes a first gear 610, a second gear 620 and a transmission belt 630 provided on the first moving body 100
  • the transmission assembly 600 includes a rack 640 provided on the second moving body 200.
  • the rack 640 can be fixedly connected to the second moving body 200 by screws, for example, a plurality of screw holes 644 are provided on the rack 640, so that the screws can be screwed into the screw holes 644 to achieve a fixed connection with the second moving body 200 .
  • One surface of the rack 640 is provided with teeth 642 meshing with the first gear 610.
  • the rack 640 meshes with the first gear 610, the first gear 610 meshes with the transmission belt 630, the transmission belt 630 meshes with the second gear 620, and the second gear 620 and the roller 400 are fixedly connected together.
  • the rack 640 can drive the first gear 610 to rotate, the rotation of the first gear 610 drives the transmission belt 630 to move, and the movement of the transmission belt 630 drives the second gear 620 and the roller 400 to rotate together.
  • the transmission of the first moving body 100 and the second moving body 200 is realized, so that the first moving body 100 and the second moving body 200 move relative to each other in directions close to or away from each other, and the flexible screen assembly 300 surrounds the roller 400 sports.
  • the inner surface of the transmission belt 630 is provided with teeth 632 meshing with the first gear 610 and the second gear 620.
  • the transmission belt 630 defined in the embodiment of the present application may also be replaced by other components, such as one or more third gears instead of the transmission belt 630.
  • the transmission belt 630 can be replaced by a gear set between the first gear 610 and the second gear 620.
  • other components can also be used to replace the transmission belt 630, which will not be illustrated one by one here.
  • FIG. 16 is a schematic structural diagram of the cooperation of the transmission component and the roller in the display device provided by an embodiment of the application.
  • the transmission assembly 600 can drive the roller 400 to rotate when the first moving body 100 and the second moving body 200 are driven to move away from or close to each other, so that the various components are realized during the movement. Synchronization of the force, the transmission effect is better.
  • the second gear 620 and the roller 400 can be fixedly connected together.
  • a fixing hole 622 is provided on the second gear 620, and a rotating shaft 420 is arranged at the end of the roller 400, and the rotating shaft 420 can be inserted into the fixing hole 622 to achieve a fixed connection between the roller 400 and the second gear 620.
  • the fixing method of the second gear 620 and the roller 400 is not limited to this.
  • a rotating shaft is provided on the second gear 620, and a fixing hole is provided on the roller 400, and the rotating shaft of the second gear 620 is inserted into the roller 400.
  • the fixed holes are opened to realize the fixed connection.
  • the transmission assembly 600 of the embodiment of the present application can drive the first gear 610 to rotate through the rack 640, and then drive the second gear 620 and the roller 400 to rotate through the transmission belt 630, and through the rack 640, the first gear 610, and the second gear 620
  • the cooperation with the transmission belt 630 makes the flexible screen assembly 300 fixed on the first moving body 100 and the second moving body 200 in a restricted state.
  • the flexible screen assembly 300 fixed on the first moving body 100 and the second moving body 200 is in a tensioned state.
  • large deformations such as winding and bending are not easy to occur, that is, the rack 640, the first gear 610, the second gear 620, and the transmission belt 630 always cooperate with each other during the movement of the flexible screen assembly 300. It has a tightening force on the flexible screen assembly 300 to prevent the flexible screen assembly 300 from being deformed greatly. Based on this, the limit component 500 combined with the display device 20 has a better limit effect on the flexible screen assembly 300.
  • the display device 20 adopts the transmission assembly 600 defined in the embodiment of the present application, and it is also possible that the limit assembly 500 is not provided.
  • the rack 640 may be disposed on the side of the second moving body 200, such as two racks 640, one of which is disposed on one side of the second moving body 200, and the other is disposed on the other side of the second moving body 200. side.
  • One first gear 610, one second gear 620 and one transmission belt 630 are arranged on one side of the first moving body 100, and the other first gear 610, the other second gear 620 and the other transmission belt 630 are arranged on the first movement.
  • the other side of the body is disposed on the side of the second moving body 200, such as two racks 640, one of which is disposed on one side of the second moving body 200, and the other is disposed on the other side of the second moving body 200.
  • a first gear 610 on the same side of the display device 20 meshes with a rack 640, a first gear 610 meshes with a transmission belt 630, and a transmission belt 630 meshes with a second gear 620.
  • One second gear 620 is fixedly connected to one end of the roller 400, and the other second gear 620 is fixedly connected to the other end of the roller 400.
  • FIG. 17 is a schematic structural diagram of the first moving body in the display device provided by an embodiment of the application
  • FIG. 18 is an exploded view of the first moving body shown in FIG. 17, and the first moving body 100 may It includes a main body 110, a first fixing plate 120 and a second fixing plate 130.
  • the first fixing plate 120 is disposed on one side of the main body 110
  • the second fixing plate 130 is disposed on the other side of the main body 110.
  • the first fixing plate 120, the second fixing plate 130, and the body 110 may be integrally formed, such as formed by machining, injection molding, or the like.
  • the first fixing plate 120 can also be fixed to the main body 110 in other ways, such as screwing, welding, plugging and the like.
  • the second fixing plate 130 can also be fixed to the main body 110 in other ways, such as screwing, welding, plugging and the like. Screw holes 123 can be opened on the first fixing plate 120 to fix the first fixing plate 120 on one side of the body 110 with screws, and screw holes 133 can be opened on the second fixing plate 130 to fix the second fixing plate 120 with screws.
  • the fixing plate 130 is fixed on the other side of the body 110.
  • FIG. 19 is a schematic diagram of the cooperation of the roller, the limiting component, and the first fixing plate in the display device according to an embodiment of the application.
  • the roller 400 may be disposed on the first fixing plate 120 and the second fixing plate 130. And the roller 400 is arranged between the first fixing plate 120 and the second fixing plate 130.
  • a through hole 121 such as a round hole, can be opened on the first fixing plate 120 to accommodate one end of the roller 400, or a through hole 121, such as a round hole, can be opened on the first fixing plate 120 to accommodate the roller 400 and the second gear 620 Fix the connected part.
  • a through hole 131 such as a round hole, can be opened on the second fixing plate 130 to accommodate the other end of the roller 400, or a through hole 131 such as a round hole can be opened on the second fixing plate 130 to accommodate the roller 400 and the second gear 620 fixed connection part.
  • the limiting component 500 may also be disposed on the first fixing plate 120 and the second fixing plate 130.
  • One end of the limiting shaft 510 of the limiting component 500 and one elastic member 530 are disposed on the first fixing plate 120, and the other end of the limiting shaft 510 and another elastic member 530 are disposed on the second fixing plate 130.
  • a through hole 122 such as a waist-shaped hole, can be opened on the first fixing plate 120 to accommodate one end of the limiting shaft 510
  • a through hole 132 such as a waist-shaped hole, can be opened on the second fixing plate 130 to accommodate another end of the limiting shaft 510.
  • a limiting slot 125 communicating with the waist-shaped hole can be opened on the first fixing plate 120 to accommodate an elastic member, and a limiting slot connected with the waist-shaped hole can be opened on the second fixing plate 130 to accommodate another An elastic piece.
  • the limit shaft 510 is limited in the waist-shaped hole to realize the position adjustment of the limit shaft 510.
  • the thickness of different flexible screen components is different, so that the thickness of different flexible screen components can be adjusted. The position of the limit shaft 510.
  • the first gear 610, the second gear 620 and the transmission belt 630 in the transmission assembly 600 are disposed on the first fixing plate 120 and the second fixing plate 130.
  • the first fixed plate 120 is provided with a first gear 610, a second gear 620 and a transmission belt 630
  • the second fixed plate 130 is provided with a first gear 610, a second gear 620 and a transmission belt 630.
  • Each first gear 610 may include a first tooth part 612, a second tooth part 614 and a first connecting part 616.
  • the rotating shaft 420 at one end of the roller 400 is fixedly connected to the fixing hole 622 of a second gear 620, and the rotating shaft at the other end of the roller 400 is fixedly connected to the fixing hole of the other second gear 620.
  • the first fixing plate 120 is also provided with a through hole 126.
  • the through hole 126 is provided with a first connecting portion 616 of a first gear 610.
  • the first tooth portion 612 of a first gear 610 is located on the inner surface of the first fixing plate 120, and To mesh with a rack 640, the second tooth 614 of a first gear 610 is located on the outer surface of the first fixing plate 120 and meshes with a transmission belt 630, and a second gear 620 is located on the outer surface of the first fixing plate 120, And it meshes with a transmission belt 630.
  • the second fixing plate 130 is also provided with a through hole 136, and the through hole 136 is provided with a first connecting part of another first gear 610, and the first tooth part of the other first gear 610 is located on the inner surface of the second fixing plate 130, And meshes with another rack 640, the second tooth portion of another first gear 610 is located on the outer surface of the second fixed plate 130 and meshes with another transmission belt 630, and another second gear 620 is located on the second fixed plate 130 The outer surface of and meshes with the transmission belt 630.
  • a rack 640, a first gear 610, a second gear 620, and a transmission belt 630 may be provided on only one side or other positions of the display device 20.
  • the body 110 may include a first support plate 111, a second support plate 112, and a main body plate 113.
  • the first support plate 111, the main body plate 113, and the second support plate 112 are stacked in sequence, and the first support plate 111 is disposed on the main board 113.
  • the second support plate 112 is disposed on the other side of the main body plate 113.
  • the first support plate 111, the second support plate 112, and the main body plate 113 may be integrally formed, such as formed by machining, injection molding, or the like.
  • the first support plate 111 and the main body plate 113 may also be fixed in other ways, such as screw connection with screws 700, welding, plug-in connection and the like.
  • the second support plate 112 and the main body plate 113 can also be fixed in other ways, such as screwing with screws 700, welding, plugging and the like.
  • a storage cavity may be formed between the first supporting plate 111 and the second supporting plate 112 to receive a part of the second moving body 200.
  • first moving body 100 in the embodiment of the present application may further include a back cover 114, and the back cover 114 may be disposed on the outer side of the second support plate 112. That is, the first support plate 111, the main body plate 113, the second support plate 112, and the rear cover 114 are stacked in sequence.
  • the main body plate 113 can be understood as having three parts, such as a main body 1133, a first side 1131, and a second side 1132.
  • the first side 1131 and the second side 1132 are connected to both sides of the main body 1133.
  • the first side portion 1131 and the second side portion 1132 are spaced apart from each other.
  • the accommodating cavity is for accommodating a part of the second moving body 200.
  • the main body 1133 is arranged at a position close to the roller 400.
  • the first fixing plate 120 is disposed on the first side portion 1131 of the main body plate 113
  • the second fixing plate 130 is disposed on the second side portion 1132 of the main body plate 113.
  • first housing 115 of the first moving body 100 in the embodiment of the present application may be covered on the outer side of the roller 400 and the limiting component 500.
  • the first moving body 100 in the embodiment of the present application may further include two outer covers 116, one outer cover 116 is located on one side of the first moving body 100, and the other outer cover 116 is located on the other side of the first moving body 100.
  • An outer cover 116 may be disposed on the first fixing plate 120, such as a screw hole 124 is provided on the first fixing plate 120, so as to fix the outer cover 116 on the first fixing plate 120 by screws.
  • Another outer cover 116 may be disposed on the second fixing plate 130, such as opening a screw hole 134 on the second fixing plate 140, so as to fix the outer cover 116 on the second fixing plate 130 by screws.
  • FIG. 20 is a schematic structural diagram of the second moving body in the display device provided by an embodiment of the application.
  • FIG. 21 is an exploded view of the second moving body shown in FIG. 20.
  • the second moving body 200 may It includes a supporting board 210 and a third supporting board 220.
  • the third supporting plate 220 may be fixed on the supporting plate 210, such as by using screws.
  • the rack 640 can be fixed on the carrying plate 210, for example, a screw is used to pass through the screw hole 644 of the rack 640 to fix the rack 640 on the carrying plate 210.
  • the second housing 230 of the second moving body 200 in the embodiment of the present application may be covered on one side and side of the third supporting board 220 and the supporting board 210.
  • a guiding structure may be provided between the first moving body 100 and the second moving body 200.
  • the first moving body 100 is provided with a guide 1112
  • the second moving body 200 is provided with a guide groove 221, and the guide 1112 can move in the guide groove 221.
  • the number of guide grooves 221 in the embodiment of the present application may be one, two or more, and the number of guide members 1112 is the same as the number of guide grooves 221.
  • a spacer plate 222 is formed between two adjacent guide grooves 221, a gap 1113 is formed between two adjacent guide members 1112, and the spacer plate 222 of the second moving body 200 may be in the gap. 1113 in the movement.
  • the side wall of the guide groove 221 of the second moving body 200 is provided with a protruding strip 223, and the protruding strip 223 can further limit the position of the guide 1112.
  • the guide groove 221 may be provided on the third support plate 220.
  • the guide 1112 may be provided on the first support plate 111.
  • the roller 400 may be designed as a stepped shaft structure, for example, the roller 400 is provided with a plurality of spaced grooves 410. It can be understood that the groove 410 may be arranged around a circle of the roller 400.
  • One end of the main body 110 is adjacent to the roller 400, such as the position of the main body 110 adjacent to the roller 400 is provided with a plurality of protrusions 117, a protrusion 117 is provided in a groove 410, and the protrusion 117 does not contact the outer surface of the roller 400 .
  • the number of bumps 117 can be equal to the number of grooves 410. It should be noted that the bump 117 may be composed of two parts.
  • the bump 117 includes a first bump 1111 and a second bump 1121.
  • the first bump 1111 may be provided at the end of the first support plate 111
  • the bump 1121 may be provided at the end of the second support plate 112. Wherein, the first bump 1111 and the second bump 1121 are both located in the groove 410, and a main body portion 1113 is spaced between the first bump 1111 and the second bump 1121.
  • the transmission assembly 600 can be manually driven to move. For example, by applying a force in the first direction on the first moving body 100 and the second moving body 200, the force in the first direction can be applied to the rack 640, and the rack 640 moves to drive the first gear 610 along the first A preset direction, such as clockwise rotation, drives the second gear 620 and the roller 400 to rotate through the transmission belt 630, so that the first moving body 100 and the second moving body 200 move in directions away from each other, and the flexible screen assembly 300 moves, To increase the display area.
  • a force in the first direction on the first moving body 100 and the second moving body 200 the force in the first direction can be applied to the rack 640, and the rack 640 moves to drive the first gear 610 along the first A preset direction, such as clockwise rotation, drives the second gear 620 and the roller 400 to rotate through the transmission belt 630, so that the first moving body 100 and the second moving body 200 move in directions away from each other, and the flexible screen assembly 300 moves, To increase the display area.
  • the force in the second direction can be applied to the rack 640, and the rack 640 moves to drive the first gear 610 along the first moving body.
  • Two preset directions such as counterclockwise rotation, and then drive the second gear 620 and the roller 400 to rotate through the transmission belt 630, so that the first moving body 100 and the second moving body 200 move in a direction close to each other, and the flexible screen assembly 300 moves , To reduce the display area of the flexible screen assembly 300.
  • the display device 20 may also include a driving mechanism, such as a motor, a gear set, and the like.
  • the following is an example to illustrate the mutual movement of the first moving body 100 and the second moving body 200 in the display device 20 to drive the flexible screen assembly 300 to move, thereby changing the display area of the flexible screen assembly 300.
  • FIGS. 1, 3, 5, 7 and 9 illustrate that the first moving body 100 and the second moving body 200 of the display device 20 are in a folded state.
  • the first moving body 100 and the second moving body 200 can be manually driven to move away from each other to switch to the expanded state.
  • Figures 2, 4, 6 and 8 illustrate the first moving body 100 of the display device 20.
  • the second moving body 200 is in an unfolded state.
  • the process of switching the first moving body 100 and the second moving body 200 in the folded state to the expanded state is as follows: the user holds the first moving body 100 with one hand, or holds the cover outside the first moving body 100 ⁇ 115 ⁇ The first housing 115. The other hand holds the second moving body 200 or the second housing 230 covering the second moving body 200.
  • the user applies force to the first moving body 100 and the second moving body 200, and the force is applied to the rack 640 through the first moving body 100, and the second moving body is used to apply the force to the rack 640.
  • the force 200 acts on the first gear 610.
  • the rack 640 and the first gear 610 generate a driving motion between each other to drive the transmission belt 630 to move, so as to drive the second gear 620 and the roller 400 to rotate together, and at the same time drive the flexible screen assembly 300 to move around the roller 400.
  • the display device 20 includes the limiting component 500
  • the flexible screen assembly 300 is limited by the limiting component 500 when it moves, such as driving the limiting sleeve 520 of the limiting component 500 to rotate.
  • the process of switching the first moving body 100 and the second moving body 200 in the expanded state to the folded state is as follows: the user holds the first moving body 100 with one hand, or holds the cover outside the first moving body 100 ⁇ 115 ⁇ The first housing 115. The other hand holds the second moving body 200 or the second housing 230 covering the second moving body 200.
  • the user applies force to the first moving body 100 and the second moving body 200, and the force is applied to the rack 640 through the first moving body 100, and the second moving body is used to apply the force to the rack 640.
  • the force 200 acts on the first gear 610.
  • the rack 640 and the first gear 610 generate a driving motion between each other to drive the transmission belt 630 to move, so as to drive the second gear 620 and the roller 400 to rotate together, and at the same time drive the flexible screen assembly 300 to move around the roller 400.
  • the display device 20 includes the limiting component 500
  • the flexible screen assembly 300 is limited by the limiting component 500 when it moves, such as driving the limiting sleeve 520 of the limiting component 500 to rotate.
  • one end of the flexible screen assembly 300 is always fixedly connected to the second moving body 200, and the flexible screen assembly
  • the other end of 300 is always fixedly connected with the first moving body, and the relative force of the two ends of the flexible screen assembly 300 can be maintained through the cooperation of the rack 640, the first gear 610, the second rack 620 and the transmission belt 630, or Say tension.
  • the possibility of curling or folding of the flexible screen assembly 300 during movement is reduced, the smoothness of the movement of the flexible screen assembly 300 is improved, and the flexible screen assembly 300 is protected and its lifespan is increased.
  • the flexible screen component 300 can be prevented from curling or folding during movement.
  • the display device 20 of the present application may not be provided with a housing such as a first housing and a second housing.
  • the structure of the display device 20 of the embodiment of the present application is not limited to the above content.
  • the display device 20 may also include a motherboard, a battery, and other devices.
  • the display device defined in the embodiments of the present application is a device or device that includes the above flexible screen assembly, a first moving body, and a second moving body, or equipment, which can be a mobile phone, a desktop computer, a notebook, a tablet computer, Watch devices, televisions, media players, computer monitors and other devices with display functions.
  • the first moving body 100, the second moving body 100, the roller 400 and the limiting component 500 assembled on the first moving body 100 as defined in the embodiment of the present application may constitute a carrying device, which can carry the flexible screen as described above. Component 300. It can be understood that the carrying device can also carry other devices, and is not limited to carrying the flexible screen assembly 300.
  • the first moving body 100, the second moving body 100, and the roller 400 and the transmission assembly 600 assembled on the first moving body 100 as defined in the embodiment of the present application can constitute a carrying device, which can carry the flexible screen assembly as described above. 300. It can be understood that the carrying device can also carry other devices, and is not limited to carrying the flexible screen assembly 300.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)

Abstract

L'invention concerne un dispositif d'affichage, comprenant un premier corps mobile (100), un second corps mobile (200), un rouleau (400) et un ensemble écran flexible (300). Le premier corps mobile (100) et le second corps mobile (200) se déplacent l'un par rapport à l'autre dans une direction proche ou éloignée l'une de l'autre pour entraîner l'ensemble écran flexible (300) afin qu'il se déplace, entraînant ainsi le rouleau (400) à une extrémité du premier corps mobile (100) afin qu'il tourne. L'ensemble écran flexible (300) est limité entre un ensemble de limitation (500) à l'extérieur du rouleau (400) et du rouleau (400) pour empêcher l'ensemble écran flexible (300) de venir en butée contre un boîtier structurel externe pendant le mouvement, ce qui permet d'améliorer le lissé de l'ensemble écran flexible (300) pendant le mouvement.
PCT/CN2021/078737 2020-04-27 2021-03-02 Dispositif d'affichage WO2021218360A1 (fr)

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CN202010345612.XA CN113643609B (zh) 2020-04-27 2020-04-27 显示装置

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