WO2020258887A1 - 柔性屏的支撑装置、可折叠的显示模组及显示设备 - Google Patents

柔性屏的支撑装置、可折叠的显示模组及显示设备 Download PDF

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Publication number
WO2020258887A1
WO2020258887A1 PCT/CN2020/074909 CN2020074909W WO2020258887A1 WO 2020258887 A1 WO2020258887 A1 WO 2020258887A1 CN 2020074909 W CN2020074909 W CN 2020074909W WO 2020258887 A1 WO2020258887 A1 WO 2020258887A1
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WO
WIPO (PCT)
Prior art keywords
rotating shaft
assembly
linkage
transmission
flexible screen
Prior art date
Application number
PCT/CN2020/074909
Other languages
English (en)
French (fr)
Inventor
后红琪
单奇
陈建平
廖富
丁立薇
朱召吉
王留洋
孙康龙
Original Assignee
昆山国显光电有限公司
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 昆山国显光电有限公司 filed Critical 昆山国显光电有限公司
Publication of WO2020258887A1 publication Critical patent/WO2020258887A1/zh
Priority to US17/361,949 priority Critical patent/US11914430B2/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
    • G06F1/1616—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 folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1641—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being formed by a plurality of foldable display components
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
    • G06F1/1681—Details related solely to hinges
    • 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
    • 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
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
    • 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
    • H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2999/00—Subject-matter not otherwise provided for in this subclass

Definitions

  • This application relates to the field of display technology, and in particular to a support device for a flexible screen, a foldable display module and a display device.
  • Flexible display devices with flexible screens such as mobile phones, tablet computers, etc.
  • the above advantages make foldable display devices more and more widely used.
  • the flexible screen is stretched, or the flexible screen is squeezed to form wrinkles. Moreover, after many times of folding, the flexible display screen cannot display normally.
  • a support device for a flexible screen including a support portion and a driving assembly, the support portion including a first support portion and a second support portion, the first support portion and the driving assembly
  • the second supporting part is connected;
  • the driving assembly includes a rotating shaft assembly and a linkage;
  • the rotating shaft assembly includes at least three rotating shafts arranged side by side;
  • the second supporting part is relatively slidably arranged above the rotating shaft assembly, and It can be bent or unfolded together with the rotating shaft assembly; when the rotating shaft assembly is bent or unfolded, the linkage member drives the first support portion to move away from or close to the rotating shaft assembly.
  • a foldable display module is provided, and the display module includes a flexible screen and the aforementioned supporting device.
  • a display device including a housing and the above-mentioned display module, when the rotating shaft assembly is bent, the linkage is used to drive the housing away from Or move in the direction close to the rotating shaft assembly.
  • the linkage when the shaft assembly is bent or unfolded, the linkage can drive the first support part to move away from or close to the shaft assembly, thereby A supporting part drives the part of the flexible screen on the first supporting part to move away from or close to the rotating shaft assembly, so as to prevent the flexible screen from being stretched or stretched due to the different bending radius of the flexible screen and the supporting device during the folding process. Being squeezed, the service life of the flexible screen can be extended.
  • the rotating shaft assembly includes at least three rotating shafts arranged side by side, and the rotating shaft assembly is closer to an arc shape after being bent, so that the second support part on the rotating shaft assembly is closer to the arc shape, and the supporting effect of the second support part is better , Can avoid the unevenness of the flexible screen.
  • Figure 1 is a schematic structural diagram of a display device provided by an embodiment of the application when it is deployed;
  • Fig. 2 is a schematic structural diagram of the display device shown in Fig. 1 when folded;
  • FIG. 3 is an exploded schematic diagram of the display device shown in FIG. 1;
  • FIG. 4 is a three-dimensional assembly schematic diagram of the driving assembly of the display device shown in FIG. 1 and the first sub-support part of the first support part;
  • Figure 5 is a side view of the structure shown in Figure 4 when unfolded;
  • Figure 6 is a side view of the structure shown in Figure 4 when folded;
  • Figure 7 is a three-dimensional exploded view of the structure shown in Figure 4.
  • FIG. 8 is a partial plan view of the structure in which the first sub-supporting portion, the transmission assembly, and the rotating shaft sliding member shown in FIG. 7 are combined;
  • Figure 9 is a partial cross-sectional view of the structure shown in Figure 8.
  • Figure 10 is another three-dimensional exploded view of the structure shown in Figure 4.
  • FIG. 11 is a partial top view of the structure in which the first support portion, the transmission assembly, and the rotating shaft sliding member shown in FIG. 10 are combined together;
  • Figure 12 is a partial cross-sectional view of the structure shown in Figure 11;
  • FIG. 13 is a partial three-dimensional exploded schematic view of the rotating shaft assembly in the structure shown in FIG. 4.
  • a flexible display device includes a flexible screen and a supporting device for supporting the flexible screen, and the supporting device can be bent along with the flexible screen.
  • the bending radius of the flexible screen is stretched; if the flexible screen is located on the inner side of the support device after folding, the bending radius of the flexible screen bend is smaller than the bending radius of the support device during the folding process, thus The flexible screen is squeezed and wrinkled.
  • the above two situations can damage the flexible screen and reduce the service life of the flexible display device.
  • embodiments of the present application provide a flexible screen support device, a foldable display module, and a display device.
  • the display device 200 includes a foldable display module 300 and a housing 70.
  • the display module 300 may be partially contained in the housing 70.
  • the foldable display module 300 includes a flexible screen 210 and a supporting device 100 for supporting the flexible screen 210.
  • the display device 200 can be folded.
  • the flexible screen 210 and the supporting device 100 of the flexible screen bend together.
  • the display device 200 can be folded inward, that is, the flexible screen 210 is located inside the supporting device 100 after folding.
  • the display device 200 can also be folded outward, that is, the flexible screen 210 is located outside the support device 100 after being folded.
  • the supporting device 100 for the flexible screen provided by the embodiment of the present application includes a supporting part and a driving assembly 20.
  • the support portion may include a first support portion 11 and a second support portion 12, and the second support portion 12 is connected to the first support portion 11.
  • the driving assembly 20 includes a rotating shaft assembly 21 and a linkage assembly 23 connected with the rotating shaft assembly 21.
  • the rotating shaft assembly 21 includes, for example, at least three rotating shafts 211 arranged side by side.
  • the second supporting portion 12 is relatively slidably disposed above the rotating shaft assembly 21 and can be bent or unfolded together with the rotating shaft assembly 21.
  • the linkage assembly 23 drives the first support portion 11 to move away from or close to the rotating shaft assembly 21.
  • the linkage assembly 23 drives the first support portion 11 to move toward or away from the shaft assembly 21.
  • the linkage assembly 23 can drive the first support portion 11 to move away from or close to the shaft assembly 21, so that the first support portion 11 drives the flexible screen
  • the part provided on the first supporting portion 11 moves away from or close to the rotating shaft assembly 21, so as to avoid the flexible screen being pulled due to the different bending radius of the supporting device and the supported flexible screen during the folding process Stretching or being squeezed can extend the service life of the flexible screen.
  • the rotating shaft assembly 21 includes at least three rotating shafts arranged side by side.
  • the bent cross-sectional shape of the rotating shaft assembly 21 is closer to a circular arc shape, so that the second supporting portion 12 on the rotating shaft assembly 21 has a more bent cross-sectional shape. Close to the arc shape, the support effect of the flexible screen is better, and the problem of unevenness of the flexible screen can be avoided.
  • the supporting device 100 is folded inward, that is, when the first supporting portion 11 is located inside after being folded, the rotating shaft assembly 21 drives the first supporting portion 11 to slide in a direction away from the rotating shaft assembly 21 through the linkage assembly 23, then The first supporting portion 11 drives the part of the supported flexible screen provided on the first supporting portion 11 to slide in a direction away from the rotating shaft assembly 21, thereby avoiding the flexible screen from being squeezed.
  • the shaft assembly 21 drives the first support portion 11 to slide in a direction close to the shaft assembly 21 through the linkage assembly 23, and the first support portion 11 drives the supported flexible screen to be set The part on the first supporting portion 11 slides in a direction close to the rotating shaft assembly 21, so that the supported flexible screen is restored to the original flat state (as shown in FIG. 1).
  • the supporting device 100 is folded outward, that is, when the first supporting portion 11 is located outside after being folded, the shaft assembly 21 drives the first supporting portion 11 to slide in a direction approaching the shaft assembly 21 through the linkage assembly 23, and the first supporting portion 11 drives The part of the supported flexible screen disposed on the first supporting portion 11 slides in a direction close to the rotating shaft assembly 21, so that the flexible screen can be prevented from being stretched.
  • the shaft assembly 21 drives the first supporting portion 11 to move away from the shaft assembly 21 through the linkage assembly 23, and the first supporting portion 11 drives the supported flexible screen to be set The part on the first supporting portion 11 slides in a direction away from the rotating shaft assembly 21, so that the supported flexible screen is restored to the original flat state.
  • the first support portion 11 may be composed of a first sub-support portion 111 and a second sub-support portion 112 connected to each other, and the first sub-support portion 111 may be disposed above the linkage assembly 23.
  • the linkage assembly 23 can drive the first sub-support 111 to move toward or away from the rotation axis assembly 21, and then the first sub-support 111 drives the second sub-support 112 to move.
  • the linkage assembly 23 may include a rotating shaft sliding part 231, a transmission assembly 232 and a connecting rod 233, and the rotating shaft sliding part 231 is disposed on the transmission assembly 232.
  • the rotating shaft sliding member 231 is rotatably connected with the rotating shaft assembly 21 through the connecting rod 233 and can slide relative to the transmission assembly 232.
  • the transmission assembly 232 is rotatably connected with the rotating shaft assembly 21.
  • the rotating shaft sliding member 231 and the transmission assembly 232 are relatively slidably connected.
  • the first supporting portion 11 is disposed on a side of the transmission assembly 232 away from the rotating shaft sliding member 231.
  • the transmission assembly 232 When the rotating shaft assembly 21 is bent or unfolded, the transmission assembly 232 is driven to rotate, and the transmission assembly 232 drives the rotating shaft sliding member 231 to rotate. Since the rotating shaft sliding member 231 is connected to the rotating shaft assembly 21 through the connecting rod 233, the length of the connecting rod 233 is constant, and the rotating shaft sliding member 231 is arranged on the side of the transmission assembly 232 away from the first supporting portion 11. Therefore, when the rotating shaft sliding member 231 rotates, The connecting rod 233 drives the rotating shaft sliding member 231 to slide relative to the transmission assembly 232, so that the distance between the rotating shaft sliding member 231 and the rotating shaft assembly 21 remains unchanged. Moreover, when the shaft sliding member 231 slides relative to the transmission assembly 232, the transmission assembly 232 drives the first support portion 11 to slide relative to the transmission assembly 232, so that the first support portion 11 moves away from or close to the rotation shaft assembly 21.
  • the rotating shaft sliding member 231 moves closer to the rotating shaft assembly 21 relative to the transmission assembly 232, and the first supporting portion 11
  • the rotating shaft slider 231 moves away from the rotating shaft assembly 21 relative to the transmission assembly 232, and the first supporting portion 11 moves toward the rotating shaft assembly 21.
  • the rotating shaft sliding member 231 moves away from the rotating shaft assembly 21 with respect to the transmission assembly 232, and the first supporting portion 11 approaches the rotating shaft assembly
  • the rotating shaft sliding member 231 moves closer to the rotating shaft assembly 21 relative to the transmission assembly 232, and the first supporting portion 11 moves away from the rotating shaft assembly 21.
  • the linkage assembly 23 includes a rotating shaft sliding member 231, a transmission assembly 232, and a connecting rod 233, and the cooperation of the rotating shaft sliding member 231, the transmission assembly 232, and the connecting rod 233 is implemented to drive the first support portion 11 to move relative to the rotating shaft assembly 21.
  • This structure is relatively simple and easy to implement.
  • each shaft sliding member 231 in the longitudinal direction can be respectively connected to the shaft assembly 21 through a connecting rod 233, so that the shaft sliding member 231 is more firmly connected to the shaft assembly 21 and slides on the shaft.
  • the two ends of the rotating shaft sliding member 231 will not shift.
  • the transmission assembly 232 may include a shaft connection member 2321 and a transmission member arranged on the rotation shaft connection member 2321, the rotation shaft connection member 2321 and the rotation shaft assembly 21 are relatively rotatably connected, the rotation shaft
  • the connecting member 2321 is slidably connected to the rotating shaft sliding member 231 via a transmission member, and the rotating shaft connecting member 2321 is slidably connected to the first support portion 11 via a transmission member.
  • the rotating shaft sliding member 231 When the rotating shaft connecting member 2321 rotates, the rotating shaft sliding member 231 is driven to rotate, and the connecting rod 233 drives the rotating shaft sliding member 231 to slide relative to the rotating shaft connecting member 2321.
  • the sliding of the rotating shaft sliding member 231 relative to the rotating shaft connecting member 2321 drives the transmission member to rotate relative to the rotating shaft connecting member 2321, and the transmission member drives the first supporting portion 11 relative to the rotating shaft connecting member 2321. slide.
  • the shaft connector 2321 of the transmission assembly 232 is always connected with the shaft assembly 21 and does not slide relative to the shaft assembly 21, it can ensure that the structure of the supporting device of the flexible screen is stronger.
  • the housing 70 of the display device 200 may include a first housing 71 and a second housing 72, and the second housing 72 is connected to the first housing and the shaft assembly 21, respectively.
  • the first housing and the second housing are arranged on a side of the driving assembly 20 away from the first support portion 11.
  • the second housing 72 and the first supporting portion 11 are arranged correspondingly, for example, corresponding to the second sub-supporting portion.
  • the first housing 71 is also arranged corresponding to the first supporting portion 11, for example, corresponding to the first sub-supporting portion.
  • the linkage assembly 23 can drive the first housing 71 to move away from or close to the rotating shaft assembly 21, and the moving directions of the first housing 71 and the first sub-supporting portion 111 are opposite, thereby Prevent the first housing 71 from being squeezed or stretched.
  • first housing 71 can be slidably connected with the first sub-supporting portion 111, and the first sub-supporting portion 111 can drive the first housing 71 to slide through the transmission member.
  • the transmission member may include a swing link 30.
  • the swing link 30 is provided with a first connecting hole 31, a second connecting hole 32 and a third connecting hole 33 in sequence along its extending direction.
  • the swing link 30 includes a first end and a second end opposite to each other in the extending direction.
  • the first end of the swing link 30 is rotatably connected to the shaft sliding member 231 through the first connecting hole 31, so The second end is rotatably connected to the first supporting portion 11 through the third connecting hole 33.
  • the swing link 30 is rotatably connected to the shaft connector 2321 through the second connecting hole 32, and the swing link 30 can be configured to be opposite to the shaft connector when the shaft assembly is bent or flattened. 2321 swing.
  • the rotating shaft sliding member 231 and the first supporting portion 11 are configured to slide in opposite directions relative to the rotating shaft connecting member 2321 by swinging the link 30.
  • a connecting column is provided on the rotating shaft sliding member 231, and the connecting column on the rotating shaft sliding member 231 cooperates with the first connecting hole 31 to realize the rotatable connection between the rotating shaft sliding member 231 and the swing link 30.
  • the rotating shaft connecting piece 2321 may be provided with a connecting column, and the connecting column on the rotating shaft connecting piece 2321 cooperates with the second connecting hole 32 to realize the rotatable connection between the rotating shaft connecting piece 2321 and the swing link 30.
  • the first supporting part 11 may be provided with a connecting post, and the connecting post on the first supporting part 11 cooperates with the third connecting hole 33 to realize the rotatable connection between the first supporting part 11 and the swing link 30.
  • a groove 2323 can be provided on the rotating shaft connector 2321 to accommodate the swing link 30, and the swing link 30 can rotate or swing in the groove 2323.
  • the setting of the swing link 30 can be avoided to increase the thickness of the support device 100.
  • the swing link 30 rotates or swings relative to the shaft connector 2321 about the second connecting hole 32. Since the first connecting hole 31 and the third connecting hole 33 are located on both sides of the second connecting hole 32, the third connecting hole 33 drives the first supporting portion 11 to slide relative to the shaft connecting piece 2321 and the rotating shaft sliding piece 231 relative to the rotating shaft. The connecting member 2321 slides in the opposite direction.
  • the transmission member adopts the structure of a swing link, and only by arranging a swing link on both sides of the rotating shaft connecting member in the longitudinal direction, the rotating shaft sliding member 231 and the first support can be driven.
  • the part 11 slides relative to the shaft connecting part 2321, and the direction in which the shaft sliding part 231 slides is opposite to the first supporting part 11, which reduces the structural complexity of the supporting device.
  • the distance between the first connection hole 31 and the second connection hole 32 may be smaller than the distance between the second connection hole 32 and the third connection hole 33.
  • the distance between the third connecting hole 33 and the second connecting hole 32, and the distance between the first connecting hole 31 and the second connecting hole 32 can also be adjusted according to the distance that the first supporting portion 11 needs to move. the distance.
  • the number of the swing link 30 can be two, which are respectively arranged at the opposite ends of the shaft connector 2321 in the longitudinal direction. When the shaft connector 2321 rotates, the two ends of the shaft connector 2321 can respectively swing through corresponding The connecting rod 30 drives the rotating shaft sliding member 231 and the first supporting portion 11 to slide, thereby ensuring the smooth sliding of the rotating shaft sliding member 231 and the first supporting portion 11.
  • the swing link 30 may also be provided with a fourth connection hole 34, the fourth connection hole 34 is provided at the first end of the swing link 30, the fourth connection hole 34 and the second connection hole 32 The distance therebetween may be greater than the distance between the first connection hole 31 and the second connection hole 32.
  • the first housing 71 can be connected to the swing link 30 through the fourth connection hole 34, and when the swing link 30 swings, the first housing 71 can be driven to slide relative to the shaft connector 2321 through the fourth connection hole 34.
  • a connecting post may be provided on the first housing 71, a through hole 2312 may be provided on the rotating shaft sliding member 231, and the connecting post on the first housing 71 may pass through the through hole 2312 to fit with the fourth connecting hole 34.
  • the sliding direction of the rotating shaft sliding member 231 and the first housing 71 relative to the rotating shaft connecting member 2321 are the same. That is, when the supporting device 100 is folded inward, the first housing 71 moves in a direction close to the rotating shaft assembly 21; when the supporting device 100 is folded outward, the first housing 71 moves in a direction away from the rotating shaft assembly 21. This can prevent the first housing 71 from being stretched or squeezed when the supporting device 100 is folded.
  • the transmission member may include a gear assembly 40, a first rack 2311 may be provided on the rotating shaft sliding member 231, and a second rack 221 may be provided on the first support portion 11,
  • the gear assembly 40 meshes with the first rack 2311 and the second rack 221 respectively.
  • the sliding of the shaft slider 231 drives the sliding of the first support portion 11 through the gear assembly, which can make the structure of the support device simple and easy to implement.
  • the gear assembly 40 may include a first gear 41, a second gear 42, and a third gear 43.
  • the first gear 41 meshes with the second gear 42 and the first rack 2311, respectively.
  • the third gear 43 meshes with the second rack 221 and the second gear 42 respectively; when the first rack 2311 slides with the shaft sliding member, the first gear 41 is driven to rotate, and the first The gear 41 drives the second gear 42 to rotate, the second gear 42 drives the third gear 43 to rotate, and the third gear 43 drives the second rack 221 to slide. In this way, the first supporting portion slides relative to the rotating shaft connecting piece.
  • an opening slot 2322 may be provided on the rotating shaft connecting member 2321, and the third gear 43 may pass through the opening slot 2322 to engage with the second rack 221 on the first support portion 11.
  • the sliding direction of the rotating shaft sliding member 231 relative to the rotating shaft connecting piece 2321 can be made to be the same as the sliding direction of the first supporting portion 11 relative to the rotating shaft connecting piece 2321 The direction is opposite.
  • the transmission ratio of the gear assembly 40 may be greater than one. That is, the rotational angular velocity of the third gear 43 is greater than the rotational angular velocity of the first gear 41, so that the moving speed of the second rack 221 is greater than the moving speed of the first rack 2311, that is, the first supporting portion 11 is relative to
  • the moving speed of the rotating shaft connecting piece 2321 is greater than the moving speed of the rotating shaft sliding piece 231 relative to the rotating shaft connecting piece 2321, so that the sliding distance of the first support portion 11 relative to the rotating shaft connecting piece 2321 is greater than that of the rotating shaft sliding piece 231 relative to the rotating shaft.
  • the sliding distance of the piece 2321 is more beneficial to prevent the flexible screen from being squeezed or stretched.
  • the number of the gear assembly 40 can be two, which are respectively arranged at opposite ends of the shaft connector 2321 along the longitudinal direction. When the shaft connector 2321 rotates, the two ends of the shaft connector 2321 can drive the shaft through the gear assembly 40 respectively.
  • the sliding member 231 and the first supporting portion 11 slide, so as to ensure the smooth sliding of the rotating shaft sliding member 231 and the first supporting portion 11.
  • a third rack (not shown) may be provided on the first housing 71, an opening groove 2313 may be provided on the rotating shaft sliding member 231, and the second gear 42 may pass through the opening groove on the rotating shaft sliding member 231 2313 and meshes with the third rack on the first housing 71.
  • the third rack can drive the first housing 71 to slide relative to the shaft connecting member 2321.
  • the direction of movement of the first rack 2311 relative to the shaft connector 2321 is the same as the direction of movement of the third rack relative to the shaft connector 2321.
  • the sliding direction of the first housing 71 relative to the shaft connecting piece 2321 is the same as the sliding direction of the rotating shaft sliding piece 231 relative to the rotating shaft connecting piece 2321, which prevents the first housing 71 from being squeezed or pulled when the display device is folded and unfolded stretch.
  • the transmission ratio of the gear assembly 40 can be adjusted according to the distance that the first support portion 11 needs to move.
  • the number of the first support portions 11 may be two, and the two first support portions 11 are respectively located on the two sides of the rotation axis assembly 21 along the rotation axis arrangement direction, and are respectively connected to the second support portion 12.
  • the number of the first housing 71 and the second housing 72 can be two respectively.
  • the two first housings 71 are respectively located on both sides of the rotating shaft assembly 21 along the arrangement direction of the rotating shaft, and the two second housings 72 are respectively located on the rotating shaft.
  • the supporting device may further include a circuit board 50 and a battery 60.
  • the circuit board 50 and the battery 60 may be respectively located on both sides of the rotating shaft assembly 21 along the direction in which the rotating shafts are arranged.
  • an accommodating cavity can be formed between the first housing 71 on one side of the rotating shaft assembly 21 and the first supporting portion 11, and the circuit board 50 can be accommodated in the accommodating cavity.
  • An accommodating cavity can be formed between the first housing 71 on the other side of the rotating shaft assembly 21 and the first supporting portion 11, and the battery can be accommodated in the accommodating cavity.
  • the supporting device may further include a button 1111, and the button 1111 may be disposed on a side of the first supporting portion 11, for example, a side of the first supporting portion in a direction perpendicular to the arrangement direction of the rotation axis, for controlling the supporting device The work of the display device.
  • the rotating shaft assembly 21 may further include a linkage hinge 212, the linkage hinge 212 includes a plurality of linkage portions, and a plurality of adjacent rotating shafts are connected by the multiple linkage portions.
  • the bending of the rotating shaft assembly 21 can be achieved by relative rotation between adjacent linkage portions, thereby realizing the folding of the support device 100; it can also be achieved by the relative rotation between adjacent linkage portions. Rotation realizes the unfolding of the shaft assembly 21 and further realizes the unfolding of the supporting device 100.
  • the linkage parts can be arranged in two rows.
  • the adjacent linkage parts located in the same row are engaged by the transmission teeth.
  • the adjacent linkage parts located in different rows are connected by the corresponding rotating shafts, for example, connected in series. In this way, in the linkage parts located in the same row, when two adjacent linkage parts rotate relative to each other, the linkage parts in the other row can be driven to rotate by the rotating shaft, which can make the rotation of the rotating shaft more stable.
  • the rotating shaft assembly 21 may include six rotating shafts 211.
  • a total of six rotating shaft holes are provided on the linkage parts of each row, and the six rotating shafts 211 respectively pass through the The six shaft holes on the linkage part are connected with the linkage part.
  • the first row includes three linkage portions, and each linkage portion is provided with two shaft holes, and the shaft holes on the linkage portions of the first row are non-rotatably connected with the shaft.
  • the second row includes four linkage parts, of which the linkage parts on both sides are provided with a shaft hole, the two linkage parts in the middle are provided with two shaft holes, and the shaft hole and the shaft on the linkage part of the second row Rotatable connection.
  • the three linkages in the first row point from one side to the other (for example, from left to right from the orientation shown in Figure 13), they are the first linkage 2131, the second linkage 2132, and the third linkage. ⁇ 2133.
  • the four linkage portions in the second row are the fourth linkage portion 2134, the fifth linkage portion 2135, the sixth linkage portion 2136, and the seventh linkage portion 2137 in the same direction.
  • the second linkage portion 2132 meshes with the first linkage portion 2131 and the third linkage portion 2133 through transmission teeth 218, and the fifth linkage portion 2135 meshes with the fourth linkage portion 2134 and the sixth linkage portion 2136 through transmission teeth 218, respectively.
  • the sixth linkage portion 2136 meshes with the seventh linkage portion 2137 through the transmission teeth 218.
  • the first linkage portion 2131 is connected to the fourth transmission portion 2134 and the fifth linkage portion 2135 through a rotating shaft
  • the second linkage portion 2132 is connected to the fifth transmission portion 2135 and the sixth linkage portion 2136 through a rotating shaft
  • the third linkage portion 2133 passes through
  • the rotating shaft is connected to the sixth linkage portion 2136 and the seventh linkage portion 2137 respectively.
  • a plurality of linkage parts can also be arranged in more than three rows.
  • the linkage parts in one row and the linkage parts in the other row are arranged staggered, for example, the rotating shaft of one linkage part in one row
  • the number of holes is equal to the number of shaft holes of the two linkage parts in the other row, so that the two adjacent rows of linkage parts can rotate synchronously.
  • the rotating shaft assembly 21 may further include a fastener 214, a fastener 215, a fastener 217 and a connecting rod connector 216.
  • the fastener 214 is arranged between two adjacent rows of linkage parts and sleeved on the rotating shaft to prevent the linkage part from moving on the rotating shaft.
  • the fastener 215 may be arranged on the outermost side of the two rows of linkage portions 213, for example, on the side of the first row of linkage portions away from the second row of linkage portions, and the fastener 215 is sleeved on the rotating shaft 211.
  • the connecting rod connector 216 is arranged on the outside of the fastener 215, for example, on the side of the fastener 215 away from the first row of linkage parts.
  • the connecting rod connector 216 is sleeved on the rotating shaft and connected with the connecting rod 233 to realize the connection between the connecting rod 233 and the rotating shaft assembly 21.
  • the fastener 217 is arranged on the outside of the connecting rod connector 216, for example, on the side of the connecting rod connector 216 away from the fastener 215, and the fastener 217 is sleeved on the rotating shaft to prevent the connecting rod connector 216 Leave the shaft.

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Abstract

一种柔性屏的支撑装置（100），包括支撑部和驱动组件（20），支撑部包括第一支撑部（11）和与第一支撑部（11）连接的第二支撑部（12），驱动组件（20）包括转轴组件（21）和与转轴组件（21）连接的联动组件（23），转轴组件（21）包括多个并列设置的转轴，第二支撑部（12）可相对滑动地设置在转轴组件（21）上方，且与转轴组件（21）一起弯曲或展开，转轴组件（21）弯曲时，通过联动组件（23）带动第一支撑部（11）向背离或靠近转轴组件（21）的方向移动。还涉及包括支撑装置（100）的可折叠的显示模组（300），以及包括显示模组（300）的显示设备。

Description

柔性屏的支撑装置、可折叠的显示模组及显示设备 技术领域
本申请涉及显示技术领域，尤其涉及一种柔性屏的支撑装置、可折叠的显示模组及显示设备。
背景技术
具有柔性屏的柔性显示装置例如手机、平板电脑等，在折叠时体积较小，方便携带，在展开时有效显示面积较大，可提升用户的使用体验。上述优点使得可折叠的显示装置应用越来越广泛。
在柔性显示装置的折叠过程中，柔性屏被拉伸，或者柔性屏被挤压而形成褶皱。并且，经过多次折叠后，柔性显示屏无法正常显示。
发明内容
根据本申请实施例的第一方面，提供了一种柔性屏的支撑装置，包括支撑部和驱动组件，所述支撑部包括第一支撑部和第二支撑部，所述第一支撑部与所述第二支撑部连接；所述驱动组件包括转轴组件和联动件；所述转轴组件包括至少三个并列设置的转轴；所述第二支撑部可相对滑动地设置在所述转轴组件上方，且可与所述转轴组件一起弯曲或展开；所述转轴组件弯曲或展开时，通过所述联动件带动所述第一支撑部向背离或靠近所述转轴组件的方向移动。
根据本申请实施例的第二方面，提供了一种可折叠的显示模组，所述显示模组包括柔性屏及上述的支撑装置。
根据本申请实施例的第三方面，提供了一种显示设备，所述显示设备包括壳体和上述的显示模组，所述转轴组件弯曲时，通过所述联动件带动所述壳体向背离或靠近所述转轴组件的方向移动。
本申请实施例提供的柔性屏的支撑装置、可折叠的显示模组及显示设备，转轴组件弯曲或展开时，可通过联动件带动第一支撑部向背离或靠近转轴组件的方向移动，从而第一支撑部带动柔性屏设置第一支撑部上的部分向背离或靠近转轴组件的方向移动，从而避免在折叠过程中由于柔性屏与支撑装置的弯折半径不同，而导致柔性屏被拉伸或者 被挤压，可延长柔性屏的使用寿命。并且，转轴组件包括至少三个并列设置的转轴，转轴组件弯折后更接近圆弧形，从而位于转轴组件上的第二支撑部更接近圆弧形，对第二支撑部的支撑效果更好，可避免柔性屏出现不平整的问题。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性和解释性的，并不能限制本发明。
附图说明
图1为本申请实施例提供的显示设备展开时的结构示意图；
图2为图1所示的显示设备折叠时的结构示意图；
图3为图1所示的显示设备的分解示意图；
图4为图1所示的显示设备的驱动组件和第一支撑部的第一子支撑部的立体组合示意图；
图5为图4所示的结构在展开时的侧视图；
图6为图4所示的结构在折叠时的侧视图；
图7为图4所示的结构的一种立体分解图；
图8为图7所示的第一子支撑部、传动组件和转轴滑动件组合在一起的结构的局部俯视图；；
图9为图8所示的结构的局部剖视图；
图10为图4所示的结构的另一种立体分解图；
图11为图10所示第一支撑部、传动组件和转轴滑动件组合在一起的结构的局部俯视图；
图12为图11所示的结构的局部剖视图；
图13为图4所示的结构中的转轴组件的局部立体分解示意图。
具体实施方式
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时，除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施 例中所描述的实施方式并不代表与本申请相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本申请的一些方面相一致的装置的例子。
在柔性显示装置的折叠过程中，柔性屏被拉伸或者柔性屏发生褶皱，导致经过多次折叠后，柔性显示屏无法正常显示。通常地，柔性显示装置包括柔性屏和用以支撑柔性屏的支撑装置，支撑装置可随柔性屏一起发生弯折。发明人经研究发现，出现上述问题的原因在于：在柔性显示装置进行折叠后，若柔性屏位于支撑装置的外侧，则在折叠过程中柔性屏弯折处的弯折半径大于支撑装置弯折处的弯折半径，从而使得柔性屏被拉伸；若折叠后柔性屏位于支撑装置的内侧，则在折叠过程中柔性屏弯折处的弯折半径小于支撑装置弯折处的弯折半径，从而使得柔性屏被挤压而发生褶皱。上述两种情况均可使得柔性屏受到损伤，降低柔性显示装置的使用寿命。
为解决上述问题，本申请实施例提供了一种柔性屏的支撑装置、可折叠的显示模组及显示设备。
下面结合附图，对本申请实施例中的柔性屏的支撑装置、可折叠的显示模组及显示设备进行详细说明。在不冲突的情况下，下述的实施例及实施方式中的特征可以相互补充或相互组合。
本申请实施例提供了一种显示设备。参见图1至图3，显示设备200包括可折叠的显示模组300及壳体70。显示模组300可部分地容纳在壳体70内。其中，可折叠的显示模组300包括柔性屏210及用于支撑柔性屏210的支撑装置100。
参见图2，显示设备200可进行折叠。显示设备200折叠时，柔性屏210与柔性屏的支撑装置100一起发生弯曲。其中，如图2所示，显示设备200可向内折叠，也即是折叠后柔性屏210位于支撑装置100的内侧。此外，显示设备200也可向外折叠，也即是折叠后柔性屏210位于支撑装置100的外侧。
参见图3至图5，本申请实施例提供的柔性屏的支撑装置100包括支撑部和驱动组件20。
其中，所述支撑部可包括第一支撑部11和第二支撑部12，所述第二支撑部12与所述第一支撑部11连接。所述驱动组件20包括转轴组件21和与转轴组件21连接的联动组件23。
所述转轴组件21包括例如至少三个并列设置的转轴211。所述第二支撑部12可相对滑动地设置在所述转轴组件21上方，且可与所述转轴组件21一起弯曲或展开。所述 转轴组件21弯曲时，通过所述联动组件23带动所述第一支撑部11向背离或靠近所述转轴组件21的方向移动。相反地，当转轴组件21展开时，通过所述联动组件23带动所述第一支撑部11向靠近或背离所述转轴组件21的方向移动。
本申请实施例提供的柔性屏的支撑装置100，转轴组件21弯曲时，可通过联动组件23带动第一支撑部11向背离或靠近转轴组件21的方向移动，从而第一支撑部11带动柔性屏设置在第一支撑部11上的部分，来向背离或靠近转轴组件21的方向移动，从而避免在折叠过程中由于支撑装置与所支撑的柔性屏的弯折半径不同，而导致柔性屏被拉伸或者被挤压，可延长柔性屏的使用寿命。
此外，转轴组件21包括至少三个并列设置的转轴，转轴组件21弯折后的横截面形状更接近圆弧形，从而位于转轴组件21上的第二支撑部12弯折后的横截面形状更接近圆弧形，对柔性屏的支撑效果更好，可避免柔性屏出现不平整的问题。
具体地，参见图6，支撑装置100向内折叠，也即折叠后第一支撑部11位于内侧时，转轴组件21通过联动组件23带动第一支撑部11向背离转轴组件21的方向滑动，则第一支撑部11带动所支撑的柔性屏设置在第一支撑部11上的部分，来向背离转轴组件21的方向滑动，从而可避免柔性屏被挤压。相反地，在支撑装置100向内折叠后再展开时，转轴组件21通过联动组件23带动第一支撑部11向靠近转轴组件21的方向滑动，则第一支撑部11带动所支撑的柔性屏设置在第一支撑部11上的部分，来向靠近转轴组件21的方向滑动，从而所支撑的柔性屏恢复成原始的展平状态(如图1所示)。支撑装置100向外折叠，也即是折叠后第一支撑部11位于外侧时，转轴组件21通过联动组件23带动第一支撑部11向靠近转轴组件21的方向滑动，则第一支撑部11带动所支撑的柔性屏设置在第一支撑部11上的部分，来向靠近转轴组件21的方向滑动，从而可避免柔性屏被拉伸。相反地，在支撑装置100向外折叠后再展开时，转轴组件21通过联动组件23带动第一支撑部11向背离转轴组件21的方向移动，则第一支撑部11带动所支撑的柔性屏设置在第一支撑部11上的部分，来向背离转轴组件21的方向滑动，从而所支撑的柔性屏恢复成原始的展平状态。
可选地，第一支撑部11可由相互连接的第一子支撑部111和第二子支撑部112组成，第一子支撑部111可设置在联动组件23上方。联动组件23可带动第一子支撑部111向靠近或背离转轴组件21的方向移动，进而第一子支撑部111带动第二子支撑部112移动。
参见图7或图10，所述联动组件23可包括转轴滑动件231、传动组件232和连杆 233，所述转轴滑动件231设置在传动组件232上。转轴滑动件231通过所述连杆233与所述转轴组件21可相对转动地连接，且可相对于所述传动组件232滑动。所述传动组件232与所述转轴组件21可相对转动地连接。转轴滑动件231与传动组件232可相对滑动地连接。第一支撑部11设置在传动组件232背离转轴滑动件231的一侧。
所述转轴组件21弯曲或展开时，带动所述传动组件232转动，而所述传动组件232带动转轴滑动件231转动。由于转轴滑动件231通过连杆233与转轴组件21连接，连杆233的长度一定，且转轴滑动件231设置在传动组件232背离第一支撑部11的一侧，因此转轴滑动件231转动时，连杆233带动转轴滑动件231相对于传动组件232滑动，从而使转轴滑动件231与转轴组件21之间的距离不变。并且，转轴滑动件231相对于传动组件232滑动时，传动组件232带动第一支撑部11相对于传动组件232滑动，从而使得第一支撑部11向背离或靠近转轴组件21的方向移动。
具体的，若支撑装置100折叠后，转轴滑动件231位于传动组件232外侧，则支撑装置100折叠时，转轴滑动件231相对于传动组件232向靠近转轴组件21的方向移动，第一支撑部11向背离转轴组件21的方向移动；支撑装置100展开时，转轴滑动件231相对于传动组件232向背离转轴组件21的方向移动，第一支撑部11向靠近转轴组件21的方向移动。若支撑装置折叠后，转轴滑动件231位于传动组件232内侧，则支撑装置100折叠时，转轴滑动件231相对于传动组件232向背离转轴组件21的方向移动，第一支撑部11向靠近转轴组件21的方向移动；支撑装置100展开时，转轴滑动件231相对于传动组件232向靠近转轴组件21的方向移动，第一支撑部11向背离转轴组件21的方向移动。
设置联动组件23包括转轴滑动件231、传动组件232和连杆233，且通过转轴滑动件231、传动组件232和连杆233的配合来实现带动第一支撑部11相对于转轴组件21移动，这种结构比较简单，易于实现。
可选地，每一转轴滑动件231的在其纵向上的相对两端可分别通过一个连杆233与转轴组件21连接，从而使得转轴滑动件231与转轴组件21连接更牢固，且在转轴滑动件231相对于转轴组件21转动时，转轴滑动件231的两端不会发生偏移。
可选地，所述传动组件232可包括转轴连接件2321和设置在所述转轴连接件2321上的传动件，所述转轴连接件2321与所述转轴组件21可相对转动地连接，所述转轴连接件2321通过传动件与所述转轴滑动件231可相对滑动地连接，转轴连接件2321通过传动件与第一支撑部11可相对滑动地连接。
所述转轴连接件2321转动时，带动所述转轴滑动件231转动，进而所述连杆233带动所述转轴滑动件231相对于所述转轴连接件2321滑动。所述转轴滑动件231相对于转轴连接件2321的滑动带动所述传动件相对于所述转轴连接件2321转动，进而所述传动件带动所述第一支撑部11相对于所述转轴连接件2321滑动。
由于传动组件232的转轴连接件2321始终与转轴组件21连接，与转轴组件21不会发生相对滑动，则可保证柔性屏的支撑装置整体的结构的牢固性更高。
再次参见图3，显示设备200的壳体70可包括第一壳体71和第二壳体72，第二壳体72分别与第一壳体和转轴组件21连接。第一壳体和第二壳体设置在驱动组件20的背离第一支撑部11的一侧。第二壳体72和第一支撑部11对应设置，例如与第二子支撑部对应设置。第一壳体71与第一支撑部11同样对应设置，例如与第一子支撑部对应设置。
进一步地，转轴组件21弯曲时，可通过联动组件23带动第一壳体71向背离或靠近转轴组件21的方向移动，且第一壳体71与第一子支撑部111的移动方向相反，从而避免第一壳体71被挤压或者被拉伸。
进一步地，第一壳体71可与第一子支撑部111相对滑动地连接，第一子支撑部111可通过传动件带动第一壳体71滑动。
传动件的结构可有多种，下面将进行具体介绍。
参见图7至图9，所述传动件可包括摆动连杆30。所述摆动连杆30沿其延伸方向依次间隔设置有第一连接孔31、第二连接孔32和第三连接孔33。所述摆动连杆30包括在其延伸方向上的相对的第一端和第二端，摆动连杆30的第一端通过第一连接孔31与所述转轴滑动件231可转动地连接，所述第二端通过所述第三连接孔33与所述第一支撑部11可转动地连接。所述摆动连杆30通过所述第二连接孔32与所述转轴连接件2321可相对转动地连接，且摆动连杆30可配置为：当转轴组件弯曲或展平时，相对所述转轴连接件2321摆动。例如，转轴滑动件231和第一支撑部11配置为通过摆动连杆30来相对于转轴连接件2321沿相反方向滑动。
其中，转轴滑动件231上设置有连接柱，转轴滑动件231上的连接柱与第一连接孔31配合来实现转轴滑动件231与摆动连杆30的可转动连接。转轴连接件2321上可设置有连接柱，转轴连接件2321上的连接柱与第二连接孔32的配合来实现转轴连接件2321与摆动连杆30的可转动连接。第一支撑部11上可设置有连接柱，第一支撑部11上的 连接柱与第三连接孔33配合来实现第一支撑部11与摆动连杆30的可转动连接。
转轴连接件2321上可设置凹槽2323，以容纳摆动连杆30，且摆动连杆30可在凹槽2323内转动或摆动。通过在转轴连接件2321上设置容纳摆动连杆30的凹槽，可避免摆动连杆30的设置增加支撑装置100的厚度。
所述转轴滑动件231相对于所述转轴连接件2321滑动时，通过转轴滑动件231的连接柱与第一连接孔31的配合来带动所述摆动连杆30相对于所述转轴连接件2321摆动，且所述摆动连杆30的第二端的滑动方向与所述转轴滑动件231的滑动方向相反，从而所述摆动连杆30的第二端带动所述第一支撑部11相对于所述转轴连接件2321滑动。
由于第二连接孔32位于摆动连杆30的沿摆动连杆延伸方向的中心位置处，因此摆动连杆30相对于转轴连接件2321以第二连接孔32为中心转动或摆动。由于第一连接孔31和第三连接孔33位于第二连接孔32两侧，则第三连接孔33带动第一支撑部11相对于转轴连接件2321滑动的方向与转轴滑动件231相对于转轴连接件2321滑动的方向相反。
本申请实施例中，传动件采用了摆动连杆的结构，只通过在转轴连接件的在其纵向方向上的两侧分别设置一个摆动连杆，即可实现带动转轴滑动件231及第一支撑部11相对于转轴连接件2321滑动，且转轴滑动件231与第一支撑部11滑动的方向相反，可降低了支撑装置的结构复杂度。
进一步地，所述第一连接孔31与所述第二连接孔32之间的距离可小于所述第二连接孔32与所述第三连接孔33之间的距离。如此设置，摆动连杆30摆动时，第一支撑部11相对于转轴连接件2321滑动的距离大于转轴滑动件231相对于转轴连接件2321滑动的距离，则在转轴组件21弯曲或展开的过程中，第一支撑部11移动的距离更大，更利于避免柔性屏被挤压或被拉伸。
在本申请实施例中，也可根据第一支撑部11需要移动的距离调整第三连接孔33和第二连接孔32之间的距离、以及第一连接孔31和第二连接孔32之间的距离。
摆动连杆30的数量可为两个，分别设置在转轴连接件2321的在其纵向方向上的相对两端，则转轴连接件2321转动时，转轴连接件2321的两端可分别通过对应的摆动连杆30带动转轴滑动件231及第一支撑部11滑动，从而可保证转轴滑动件231及第一支撑部11滑动的平稳性。
再次参见图7至图9，摆动连杆30上还可设置有第四连接孔34，第四连接孔34设 置在摆动连杆30的第一端，第四连接孔34与第二连接孔32之间的距离可大于第一连接孔31与第二连接孔32之间的距离。第一壳体71可通过第四连接孔34与摆动连杆30连接，则摆动连杆30摆动时，可通过第四连接孔34带动第一壳体71相对于转轴连接件2321滑动。第一壳体71上可设置连接柱，转轴滑动件231上可设置通孔2312，第一壳体71上的连接柱可穿过通孔2312而与第四连接孔34配合。
由于第一连接孔31和第四连接孔34位于第二连接孔32的同一侧，则转轴滑动件231与第一壳体71相对于转轴连接件2321滑动的方向相同。也即是，支撑装置100向内折叠时，第一壳体71向靠近转轴组件21的方向移动；支撑装置100向外折叠时，第一壳体71向背离转轴组件21的方向移动。如此可避免支撑装置100折叠时，第一壳体71被拉伸或者被挤压。
参见图10至图12，所述传动件可包括齿轮组件40，所述转轴滑动件231上可设置有第一齿条2311，所述第一支撑部11上可设置有第二齿条221，所述齿轮组件40分别与所述第一齿条2311和所述第二齿条221啮合。
所述转轴滑动件231相对于所述转轴连接件2321滑动时，由于转轴滑动件231的第一齿条2311与齿轮组件40啮合，则转轴滑动件231可通过所述第一齿条2311带动所述齿轮组件40转动，所述齿轮组件40的转动通过所述第二齿条221带动所述第一支撑部11相对于所述转轴连接件2321滑动。
通过齿轮组件来实现转轴滑动件231的滑动带动第一支撑部11的滑动，可使得支撑装置的结构简单，易于实现。
进一步地，所述齿轮组件40可包括第一齿轮41、第二齿轮42和第三齿轮43，所述第一齿轮41分别与所述第二齿轮42及所述第一齿条2311啮合，所述第三齿轮43分别与所述第二齿条221及所述第二齿轮42啮合；所述第一齿条2311随转轴滑动件滑动时，带动所述第一齿轮41转动，所述第一齿轮41带动所述第二齿轮42转动，所述第二齿轮42带动所述第三齿轮43转动，所述第三齿轮43带动所述第二齿条221滑动。如此，第一支撑部相对于转轴连接件滑动。
其中，转轴连接件2321上可设置有开口槽2322，第三齿轮43可穿过开口槽2322而与第一支撑部11上的第二齿条221啮合。
通过设置齿轮组件40包括第一齿轮41、第二齿轮42和第三齿轮43，可使得转轴滑动件231相对于转轴连接件2321的滑动方向与第一支撑部11相对于转轴连接件2321 的滑动方向相反。
进一步地，所述齿轮组件40的传动比可大于1。也即是，第三齿轮43的转动角速度大于第一齿轮41的转动角速度，从而使得第二齿条221的移动速度大于第一齿条2311的移动速度，也即是第一支撑部11相对于转轴连接件2321的移动速度大于转轴滑动件231相对于转轴连接件2321的移动速度，从而在相同时间内第一支撑部11相对于转轴连接件2321滑动的距离大于转轴滑动件231相对于转轴连接件2321滑动的距离，更利于避免柔性屏被挤压或被拉伸。
齿轮组件40的数量可为两个，分别设置在转轴连接件2321的沿其纵向上的相对两端，则转轴连接件2321转动时，转轴连接件2321的两端可分别通过齿轮组件40带动转轴滑动件231及第一支撑部11滑动，从而可保证转轴滑动件231及第一支撑部11滑动的平稳性。
可选地，第一壳体71上可设置有第三齿条(未图示)，转轴滑动件231上可设置有开口槽2313，第二齿轮42可穿过转轴滑动件231上的开口槽2313而与第一壳体71上的第三齿条啮合。则第二齿轮42转动时，可通过第三齿条带动第一壳体71相对于转轴连接件2321滑动。
由于第二齿轮42的转动方向与第一齿轮41的转动方向相反，则第一齿条2311相对于转轴连接件2321的移动方向与第三齿条相对于转轴连接件2321的移动方向相同，从而第一壳体71相对于转轴连接件2321的滑动方向与转轴滑动件231相对于转轴连接件2321的滑动方向相同，如此可避免显示设备折叠和展开时第一壳体71被挤压或者被拉伸。
在本申请实施例中，可根据第一支撑部11需要移动的距离调整齿轮组件40的传动比。
再次参见图3，第一支撑部11的数量可为两个，两个第一支撑部11分别位于转轴组件21的沿转轴排列方向的两侧，且分别与第二支撑部12连接。第一壳体71和第二壳体72的数量可分别为两个，两个第一壳体71分别位于转轴组件21的沿转轴排列方向的两侧，两个第二壳体72分别位于转轴组件21的沿转轴排列方向的两侧。转轴组件21弯曲时，带动两个第一支撑部11及两个第一壳体71同时向靠近或背离转轴组件21的方向移动。
可选地，支撑装置还可包括电路板50和电池60。电路板50和电池60可分别位于 转轴组件21的沿转轴排列方向的两侧。其中，位于转轴组件21的一侧的第一壳体71和第一支撑部11之间可形成容纳腔，其中电路板50可容纳于该容纳腔内。位于转轴组件21的另一侧的第一壳体71和第一支撑部11之间可形成容纳腔，电池可容纳在该容纳腔内。
可选地，支撑装置还可包括按键1111，按键1111可设置在第一支撑部11的侧部，例如第一支撑部的在垂直于转轴排列方向的方向上的侧部，用于控制支撑装置所在的显示设备的工作。
参见图13，所述转轴组件21还可包括联动铰链212，所述联动铰链212包括多个联动部，相邻的多个所述转轴通过所述多个联动部连接。
至少三个转轴通过联动部相连，则可通过相邻的联动部之间的相对转动来实现转轴组件21的弯曲，进而实现支撑装置100的折叠；也可通过相邻的联动部之间的相对转动来实现转轴组件21的展开，进而实现支撑装置100的展开。
进一步地，所述联动部可排布成两排。位于同一排的相邻的联动部通过传动齿啮合。位于不同排的相邻的联动部通过对应的所述转轴连接，例如串接。如此，位于同一排的联动部中，相邻的两个联动部相对转动时，可通过转轴带动另一排的联动部转动，可使得转轴的转动更加稳定。
再次参见图13，转轴组件21可包括六个转轴211，联动铰链212包括的两排联动部中，每排的联动部上共设有六个转轴孔，六个转轴211分别通过每一排的联动部上的六个转轴孔与联动部连接。其中，第一排包括三个联动部，且每一联动部上设置有两个转轴孔，第一排的联动部上的转轴孔与转轴不可转动地连接。第二排包括四个联动部，其中位于两侧的联动部上设置有一个转轴孔，位于中间的两个联动部上设有两个转轴孔，第二排的联动部上的转轴孔与转轴可转动地连接。
第一排的三个联动部从一侧指向另一侧的方向(例如，从图13所示方位上，由左向右)依次为第一联动部2131、第二联动部2132和第三联动部2133。第二排的四个联动部沿相同的方向依次为第四联动部2134、第五联动部2135、第六联动部2136和第七联动部2137。其中，第二联动部2132分别与第一联动部2131和第三联动部2133通过传动齿218啮合，第五联动部2135分别与第四联动部2134和第六联动部2136通过传动齿218啮合，第六联动部2136通过传动齿218与第七联动部2137啮合。第一联动部2131通过转轴分别与第四传动部2134及第五联动部2135连接，第二联动部2132通过转轴 分别与第五传动部2135及第六联动部2136连接，第三联动部2133通过转轴分别与第六联动部2136和第七联动部2137连接。
设定第一排的第一联动部2131静止并作为参照物，第四联动部2134转动时，带动第五联动部2135转动，第五联动部2135的转动带动第二联动部2132和第六联动部2136转动，第二联动部2132的转动带动第三联动部2133转动，第六联动部2136的转动带动第七联动部2137转动。可知，联动铰链中任一个联动部的转动会带动其他所有的联动部转动，各联动部在联动铰链212弯曲时能够同步转动。
本申请实施例中，多个联动部也可排列成三排以上，相邻的两排中，其中一排的联动部与另一排的联动部错开排列，例如一排的一个联动部的转轴孔的数量等于另一排的两个联动部的转轴孔的数量，以使得相邻的两排联动部可同步转动。
再次参见图13，转轴组件21还可包括紧固件214、紧固件215、紧固件217和连杆连接件216。其中，紧固件214设置在相邻的两排联动部之间，套设在转轴上，以防止联动部在转轴上移动。紧固件215可设置在两排联动部213的最外侧，例如设置在第一排联动部的远离第二排联动部的一侧，且该紧固件215套设在转轴211上。连杆连接件216设置在紧固件215的外侧，例如，设置在紧固件215的远离第一排联动部的一侧。该连杆连接件216套设在转轴上，且与连杆233连接，以实现连杆233与转轴组件21的连接。紧固件217设置在连杆连接件216外侧，例如设置在连杆连接件216的远离紧固件215的一侧，且该紧固件217套设在转轴上，以防止连杆连接件216脱离转轴。
以上所述仅是本申请的较佳实施例而已，并非对本申请做任何形式上的限制，虽然本申请已以较佳实施例揭露如上，然而并非用以限定本申请，任何熟悉本专业的技术人员，在不脱离本申请技术方案的范围内，当可利用上述揭示的技术内容做出些许更动或修饰为等同变化的等效实施例，但凡是未脱离本申请技术方案的内容，依据本申请的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本申请技术方案的范围内。

Claims (20)

  1. 一种柔性屏的支撑装置，包括：
    支撑部，所述支撑部包括：
    第一支撑部；和
    第二支撑部，所述第二支撑部与所述第一支撑部连接；和
    驱动组件，所述驱动组件包括：
    转轴组件，所述转轴组件包括多个并列设置的转轴，所述第二支撑部可相对滑动地设置在所述转轴组件上方，且与所述转轴组件一起弯曲或展开；和
    联动组件，所述联动组件与所述转轴组件连接；其中
    所述转轴组件配置为：当转轴组件弯曲时，所述第一支撑部被所述联动组件带动，向背离或靠近所述转轴组件的方向移动。
  2. 根据权利要求1所述的柔性屏的支撑装置，其中，所述联动组件包括：
    连杆；
    传动组件，所述传动组件与所述转轴组件可相对转动地连接；和
    转轴滑动件，所述转轴滑动件设置在所述传动组件上，且与所述传动组件可相对滑动地连接，所述转轴滑动件通过所述连杆与所述转轴组件可相对转动地连接；其中
    所述第一支撑部与所述传动组件可相对滑动地连接，所述第一支撑部设置在所述传动组件背离所述转轴滑动件的一侧。
  3. 根据权利要求2所述的柔性屏的支撑装置，其中，所述传动组件包括：
    转轴连接件，所述转轴连接件与所述转轴组件可相对转动地连接；和
    传动件，所述传动件设置在所述转轴连接件上；其中，所述转轴连接件通过所述传动件与所述转轴滑动件可相对滑动地连接，所述转轴连接件通过所述传动件与所述第一支撑部可相对滑动地连接。
  4. 根据权利要求3所述的柔性屏的支撑装置，其中，所述传动件包括摆动连杆，所述摆动连杆沿自身延伸方向间隔设置有第一连接孔、第二连接孔和第三连接孔；所述摆动连杆包括在自身延伸方向上相对的第一端和第二端，所述第一端通过第一连接孔与所述转轴滑动件可转动地连接，所述第二端通过所述第三连接孔与所述第一支撑部可转动地连接，所述摆动连杆通过所述第二连接孔与所述转轴连接件可相对转动地连接，且所述摆动连杆配置为：当转轴组件弯曲或展平时，相对所述转轴连接件摆动。
  5. 根据权利要求4所述的柔性屏的支撑装置，其中，所述第一连接孔与所述第二连接孔之间的距离小于所述第二连接孔与所述第三连接孔之间的距离。
  6. 根据权利要求3所述的柔性屏的支撑装置，其中，所述传动件包括齿轮组件，所述转轴滑动件上设置有第一齿条，所述第一支撑部上设置有第二齿条，所述齿轮组件分别与所述第一齿条和所述第二齿条啮合。
  7. 根据权利要求6所述的柔性屏的支撑装置，其中
    所述齿轮组件的传动比大于1。
  8. 根据权利要求6所述的柔性屏的支撑装置，其中，所述齿轮组件包括：
    第一齿轮，与所述第一齿条啮合；
    第二齿轮，与所述第一齿轮啮合；和
    第三齿轮，所述第三齿轮分别与所述第二齿条及所述第二齿轮啮合。
  9. 根据权利要求3所述的柔性屏的支撑装置，其中，所述多个转轴包括至少三个转轴，所述传动组件设置在所述至少三个转轴的在所述至少三个转轴排列方向上的两侧，所述第一支撑部包括台阶状的第一子支撑部，所述第一子支撑部的台阶面平行于所述排列方向，所述转轴连接件和所述转轴滑动件包括沿平行于所述排列方向延伸的表面，所述转轴连接件和所述转轴滑动件以所述表面面向所述台阶面的方式设置在所述第一子支撑部的靠近所述至少三个转轴的台阶面上。
  10. 根据权利要求1所述的柔性屏的支撑装置，其中，所述转轴组件还包括联动铰链，所述联动铰链包括多个联动部，相邻的多个所述转轴通过所述多个联动部连接，并通过所述多个联动部而弯曲或展开。
  11. 根据权利要求10所述的柔性屏的支撑装置，其中
    所述多个联动部排布成至少两排，位于同一排的相邻的所述联动部通过传动齿啮合，位于不同排的相邻的所述联动部通过对应的所述转轴连接。
  12. 一种可折叠的显示模组，包括：
    柔性屏；以及
    权利要求1所述的支撑装置，配置为支撑所述柔性屏。
  13. 一种显示设备，包括：
    壳体；和
    显示模组，部分地容纳在所述壳体内，所述显示模组包括：
    柔性屏；和
    支撑装置，所述支撑装置配置为支撑所述柔性屏，所述支撑装置包括：
    支撑部，所述支撑部包括第一支撑部、和与所述第一支撑部连接的第二支撑部；和
    驱动组件，所述驱动组件包括：
    转轴组件，所述转轴组件包括多个并列设置的转轴，所述第二支撑部可相对滑动地设置在所述转轴组件上方，且与所述转轴组件一起弯曲或展开；和
    联动组件，所述联动组件与所述转轴组件连接；其中
    所述转轴组件配置为：当弯曲时，通过所述联动组件带动所述第一支撑部向背离或靠近所述转轴组件的方向移动，和通过所述联动组件带动所述壳体沿与所述第一支撑部移动方向相反的方向移动。
  14. 根据权利要求13所述的显示设备，其中，所述联动组件包括：
    连杆；
    传动组件，所述传动组件与所述转轴组件可相对转动地连接；和
    转轴滑动件，所述转轴滑动件设置在所述传动组件上，且与所述传动组件可相对滑动地连接，所述转轴滑动件通过所述连杆与所述转轴组件可相对转动地连接；其中
    所述第一支撑部与所述传动组件可相对滑动地连接，所述第一支撑部设置在所述传动组件背离所述转轴滑动件的一侧。
  15. 根据权利要求14所述的显示设备，其中，所述传动组件包括：
    转轴连接件，所述转轴连接件与所述转轴组件可相对转动地连接，；和
    传动件，所述传动件设置在所述转轴连接件上，其中，所述转轴连接件通过所述传动件与所述转轴滑动件可相对滑动地连接，所述转轴连接件通过所述传动件与所述第一支撑部可相对滑动地连接。
  16. 根据权利要求15所述的显示设备，其中所述传动件包括摆动连杆，所述摆动连杆沿自身延伸方向间隔设置有第一连接孔、第二连接孔和第三连接孔；所述摆动连杆包括在自身延伸方向上相对的第一端和第二端，所述第一端通过第一连接孔与所述转轴滑动件可转动地连接，所述第二端通过所述第三连接孔与所述第一支撑部可转动地连接，所述摆动连杆通过所述第二连接孔与所述转轴连接件可相对转动地连接，且所述摆动连杆配置为：当转轴组件弯曲或展平时，相对所述转轴连接件摆动。
  17. 根据权利要求16所述的显示设备，其中，所述第一连接孔与所述第二连接孔之间的距离小于所述第二连接孔与所述第三连接孔之间的距离。
  18. 根据权利要求17所述的显示设备，其中，
    所述摆动连杆还包括设置在所述第一端的第四连接孔，所述第四连接孔与所述第二连接孔之间的距离大于所述第一连接孔与所述第二连接孔之间的距离，所述壳体通过所述第四连接孔与所述摆动连杆连接。
  19. 根据权利要求15所述的显示设备，其中，所述传动件包括齿轮组件，所述转轴滑动件上设置有第一齿条，所述第一支撑部上设置有第二齿条，所述壳体上设置有第三齿条，所述齿轮组件分别与所述第一齿条、所述第二齿条和所述第三齿条啮合。
  20. 根据权利要求15所述的显示设备，其中，所述传动组件设置在所述至少三个转轴的在所述至少三个转轴排列方向上的两侧，所述第一支撑部包括台阶状的第一子支撑部，所述第一子支撑部的台阶面平行于所述排列方向，所述转轴连接件和所述转轴滑动件包括沿平行于所述排列方向延伸的表面，所述转轴连接件和所述转轴滑动件以所述表面面向所述台阶面的方式设置在所述第一子支撑部的靠近所述至少三个转轴的台阶面上。
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