WO2019174249A1 - 弯折机构与柔性显示装置 - Google Patents

弯折机构与柔性显示装置 Download PDF

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Publication number
WO2019174249A1
WO2019174249A1 PCT/CN2018/112696 CN2018112696W WO2019174249A1 WO 2019174249 A1 WO2019174249 A1 WO 2019174249A1 CN 2018112696 W CN2018112696 W CN 2018112696W WO 2019174249 A1 WO2019174249 A1 WO 2019174249A1
Authority
WO
WIPO (PCT)
Prior art keywords
sliding
bending mechanism
assembly
bending
rail
Prior art date
Application number
PCT/CN2018/112696
Other languages
English (en)
French (fr)
Inventor
王正熙
陈松亚
杨松龄
凡小飞
吴伟峰
张强
Original Assignee
深圳市柔宇科技有限公司
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
Priority claimed from PCT/CN2018/078690 external-priority patent/WO2019173940A1/zh
Priority claimed from PCT/CN2018/078691 external-priority patent/WO2019173941A1/zh
Priority claimed from PCT/CN2018/078689 external-priority patent/WO2019173939A1/zh
Priority claimed from PCT/CN2018/088517 external-priority patent/WO2019223014A1/zh
Application filed by 深圳市柔宇科技有限公司 filed Critical 深圳市柔宇科技有限公司
Priority to CN201880090445.XA priority Critical patent/CN112041917A/zh
Publication of WO2019174249A1 publication Critical patent/WO2019174249A1/zh

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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
    • G06F1/1615—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
    • G06F1/1618—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 the display being foldable up to the back of the other housing with a single degree of freedom, e.g. by 360° rotation over the axis defined by the rear edge of the base enclosure
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
    • G—PHYSICS
    • 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
    • G06F1/1675—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
    • 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
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • H05K5/0226—Hinges

Definitions

  • the present application relates to the field of flexible screen support, and in particular to a bending mechanism and a flexible display device.
  • Flexible displays are popular with more and more consumers due to their advantages of folding, curved surface and stretchability.
  • the flexible display screen is required to be carried on the bent structure, so it is necessary to provide a bent structure that can be applied to the flexible display screen that can be bent.
  • the present application provides a bending mechanism and a flexible display device that are applicable to a bendable flexible display screen.
  • the bending mechanism of the embodiment of the present application includes a housing and a rotating shaft assembly.
  • the housing includes a first component and a second component, the first component including a first slider and a second slider.
  • the rotating shaft assembly is coupled between the first member and the second member, and the first member is rotatable relative to the second member by the rotating shaft assembly, and the first sliding member is movably coupled between the rotating shaft assembly and the second sliding member. The first distance between the first slider and the spindle assembly and the second distance between the second slider and the first slider change when the spindle assembly is bent.
  • the bending mechanism and the flexible display device of the embodiment of the present application when the bending mechanism is bent, the relative movement between the rotating shaft assembly and the first sliding member, and the relative movement between the first sliding member and the second sliding member, To compensate for the change in arc length at the bend of the flexible display device when the hinge assembly is bent, thereby avoiding the tensile damage of the flexible display screen of the flexible display device mounted on the bending mechanism.
  • the flexible display can be tiled when the hinge assembly is in the unfolded state.
  • the flexible display device of the embodiment of the present application includes the bending mechanism and the flexible display screen of the above embodiment.
  • the flexible display screen is disposed on the bending mechanism, and opposite ends of the flexible display screen are respectively fixed to the second component and the second sliding component.
  • the bending mechanism and the flexible display device of the embodiment of the present application are relatively moved by the rotating shaft assembly and the first sliding member under the guidance of the sliding rail assembly when the bending mechanism is bent, and the first sliding member and the second sliding member are on the guiding rail.
  • the relative movement of the component under the guide to counteract the change of the arc length at the bend when the hinge assembly is bent, thereby avoiding the tensile damage to the flexible display mounted on the bending mechanism, and the relative movement of the shaft assembly and the shell is At least two slide rails are arranged in parallel, and the sliding stability between the shaft assembly and the shell plate is high, which ensures the service life of the flexible display screen.
  • the flexible display can be tiled when the hinge assembly is in the unfolded state.
  • FIG. 1 is a front elevational view showing a flexible display device according to an embodiment of the present application in a flattened state
  • FIG. 2 is a rear perspective view of the flexible display device of one embodiment of the present application in a flattened state
  • FIG. 3 is a perspective view of the flexible display device of one embodiment of the present application in a folded state
  • FIG. 4 is a perspective exploded view of a flexible display device according to an embodiment of the present application.
  • Figure 5 is a perspective view of a bending mechanism of one embodiment of the present application.
  • Figure 6 is an enlarged schematic view of a portion VI of Figure 5;
  • FIG. 7 is a perspective view of the bending mechanism of one embodiment of the present application in a folded state
  • FIG. 8 is a perspective exploded view showing a partial structure of a bending mechanism according to an embodiment of the present application.
  • Figure 9 is an enlarged schematic view of a portion IX of Figure 8.
  • FIG. 10 is a perspective view of the hinge assembly of the embodiment of the present application when the bending mechanism is in a flattened state
  • FIG. 11 is an exploded perspective view of a rotating shaft assembly of one embodiment of the present application.
  • Figure 12 is a perspective view of a first sliding member of one embodiment of the present application.
  • FIG. 13 is a perspective view of another perspective view of a first slider of one embodiment of the present application.
  • FIG. 14 is a perspective exploded view of a slide rail assembly according to an embodiment of the present application.
  • 15 is a perspective exploded view of a rail assembly of one embodiment of the present application.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” or “second” may include one or more of the described features either explicitly or implicitly.
  • the meaning of "a plurality” is two or more unless specifically and specifically defined otherwise.
  • an embodiment of the present application provides a bending mechanism 10 and a flexible display device 100 .
  • the flexible display device 100 includes a bending mechanism 10 and a flexible display screen 24 that is coupled to the bending mechanism 10, and the flexible display screen 24 of the flexible display device 100 can be used to display a picture.
  • the flexible display device 100 includes, but is not limited to, a display device such as a mobile phone, a tablet computer, a foldable wearable device, and the like.
  • the bending mechanism 10 of the embodiment of the present application includes a rotating shaft assembly 11 , a slide rail assembly 12 , a housing 13 and a rail assembly 14 .
  • the housing 13 includes a first sliding member 1342 and a second sliding member 1344 .
  • the rail assembly 12 connects the first sliding member 1342 and the rotating shaft assembly 11, and the rail assembly 14 connects the first sliding member 1342 and the second sliding member 1344.
  • the rotating shaft assembly 11 is switchable between an unfolded state (such as FIG. 1, FIG. 2 and FIG. 5) and a folded state (as shown in FIG. 3 and FIG.
  • the rotating shaft assembly 11 and the first sliding The piece 1342 can be moved relatively close under the guidance of the rail assembly 12, and the first slider 1342 and the second slider 1344 can move relatively close under the guidance of the rail assembly 14.
  • the rotating shaft assembly 11 and the first sliding member 1342 can be relatively moved away under the guidance of the sliding rail assembly 12, and the first sliding member 1342 and the second sliding member 1344 can be guided at the guiding rail assembly 14. Move down relatively far.
  • the bending mechanism 10 and the flexible display device 100 of the embodiment of the present application when the bending mechanism 10 is bent, are relatively moved by the rotating shaft assembly 11 and the first sliding member 1342 under the guidance of the sliding rail assembly 12, and the first sliding The member 1342 and the second slider 1344 are moved relatively close to each other under the guidance of the rail assembly 14 to offset the change in the arc length at the bend when the shaft assembly 11 is bent, thereby avoiding the flexible display 24 mounted on the bending mechanism 10.
  • the tensile damage ensures the service life of the flexible display 24.
  • the flexible display panel 24 can also be tiled when the spindle assembly 11 is in the deployed state.
  • the change in length at the curved surface after the bending of the rotating shaft assembly 11 can be made by the first distance L1 between the rotating shaft assembly 11 and the first sliding member 1342, and the second distance between the first sliding member 1342 and the second sliding member 1344.
  • the L2 change is compensated to keep the total length of the flexible display device 100 constant, preventing the flexible display screen 24 from being damaged by stretching.
  • the first distance L1 is the maximum value.
  • the first sliding member 1342 slides closer to the rotating shaft assembly 11, and the first distance L1 decreases; the second sliding member 1344 approaches the first sliding member 1342, but at the same time, the first sliding member 1342
  • the first sliding member 1342 is closer to the second sliding member 1344, so that the second distance L2 may be reduced or increased, depending on the proximity of the first sliding member 1342 relative to the rotating shaft assembly 11.
  • the distance, and the distance that the second slider 1344 is close to the spindle assembly 11, but ultimately regardless of the second distance L2 can ultimately cause the flexible display 20 to be prevented from being stretched sharply, so that the flexible display device 100 is bent and The flattening changes normally.
  • the first distance L1 between the rotating shaft assembly 11 and the first sliding member 1342 is greater than the second distance between the first sliding member 1342 and the second sliding member 1344. Distance L2.
  • the rail assembly 14 includes a fixing member 142, a guide 144 and a guide rail 146.
  • the fixing member 142 is fixed on the first sliding member 1342, and the guiding seat 144 is fixed on the second sliding member.
  • the guide rail 146 is slidably coupled to the guide 144, and the guide rail 146 is fixedly coupled to the fixing member 142.
  • the fixing member 142 can be fixedly disposed on the first sliding member 1342 by welding, gluing, screwing or rivet fastening (as shown in FIG. 5 near the ends of the first sliding member 1342).
  • the guide 144 can be fixedly disposed on the second sliding member 1344 by welding, gluing, screwing or rivet riveting (as shown in FIG. 5 near the two ends of the second sliding member 1344).
  • a first through hole 1442 can be disposed on the guide 144.
  • the guide rail 146 is disposed through the first through hole 1442 to be slidably coupled to the guide 144. That is, the guide 144 can slide along the guide rail 146 to cause the guide rail 146 and the guide 144 to occur.
  • a first recess 1422 can be disposed on the fixing member 142.
  • One end of the rail 146 is inserted into the first recess 1422 and can be fixedly fixed to the fixing member 142 by welding, gluing, screwing or rivet fastening.
  • the fixing member 142 further includes a fourth through hole 1424, and the screw passes through the fourth through hole 1424 of the fixing member 142 to fix the fixing member 142 on the first sliding member 1342.
  • the seat 144 further includes a fifth through hole 1444 through which the screw passes through the fifth through hole 1444 of the guide 144 to fix the guide 144 to the second sliding member 1344.
  • the screw screwing method is highly reproducible, easy to disassemble and assemble, and has high stability.
  • the rail assembly 14 further includes an elastic member 148 .
  • the elastic member 148 is sleeved on the rail 146 , and the elastic member 148 is disposed between the fixing member 142 and the guide 144 . And used to apply a relatively distant elastic force to the fixing member 142 and the guide 144.
  • the elastic member 148 when the bending mechanism 10 is switched from the flattened state to the bent state, the elastic member 148 is compressed, and when the bending mechanism 10 is switched from the bent state to the flattened state, the elastic member 148 is stretched.
  • the elastic member 148 can provide a thrust during the flattening process of the bending mechanism 10, and push the first sliding member 1342 and the second sliding member 1344 to move relative to each other, so that the flattening process is smooth, thereby maintaining the first sliding member 1342 and the second sliding member 1344. The movement between them is relatively smooth to avoid the problem of the flexible display assembly 20 being lifted.
  • the elastic member 148 may be in a natural state (ie, a state in which no force is generated) or a compressed state when the bending mechanism 10 is in a flattened state.
  • the elastic member 148 is sleeved on the guide rail 146 to save the stacking space of the bending mechanism 10, improve the space utilization ratio of the bending mechanism 10, and facilitate the bending mechanism 10 to set the remaining components.
  • the two ends of the elastic member 148 can be fixedly disposed with the fixing member 142 and the guide seat 144, respectively, or the two ends of the elastic member 148 are not fixed.
  • One end of the elastic member 148 is fixedly disposed with the fixing member 142 or the guide seat 144, and the elastic member is fixed.
  • the other end of 148 is not fixed.
  • the elastic member 148 is sleeved on the guide rail 146 and is not fixed at both ends, so that the assembly is easy to disassemble.
  • the manner in which the elastic member 148 is disposed is not limited to the manner discussed above, and may be specifically set in a specific embodiment.
  • the elastic member 148 may be linear, and the linear shape of the elastic member 148 refers to the appearance of the elastic member 148 in a natural state.
  • the fixing member 142 and the guide rail 146 are combined with the guide 144 to fix the position of the elastic member 148, so that the elastic member 148 is deformed in a predetermined direction (ie, the extending direction of the guide rail 146), so that the first sliding member 1342 and the second portion The slider 1344 is moved relative to the guide rail 146.
  • the deformation direction of the elastic member 148 is parallel to the sliding direction of the guide rail 146. In this way, when the first slider 1342 and the second slider 1344 are relatively moved, the smoothness of the bending mechanism 10 is high. Specifically, when the bending mechanism 10 is switched from the bent state to the flattened state, the elastic force generated by the elastic member 148 in the compressed state acts on the fixing member 142 and the guide 144, and the elastic force is further transmitted to the first sliding member 1342 and The second sliding member 1344 moves the first sliding member 1342 and the second sliding member 1344 relative to each other.
  • the guide rail 146 includes a guiding rod 1462 and a limiting head 1464 .
  • the guiding rod 1462 is disposed through the guiding seat 144 , and one end of the guiding rod 1462 is fixedly connected with the fixing member 142 .
  • the head 1464 is coupled to the other end of the guide bar 1462, and the limit head 1464 is adapted to abut against the guide 144 to limit the maximum distance that the first slider 1342 and the second slider 1344 are relatively far from moving.
  • the guiding rod 1462 and the limiting head 1464 can be a unitary structure, or the guiding rod 1462 and the limiting head 1464 can be a separate structure, such as the limiting head 1464 and the guiding rod 1462 can be screwed and fixed together, or the limiting head 1464 and the guiding The rod 1462 is fixedly disposed by gluing, welding, or the like.
  • the elastic member 148 is sleeved on the guiding rod 1462, and the guiding seat 144 is slidable along the guiding rod 1462.
  • the guiding seat 144 is located between the elastic member 148 and the limiting head 1464.
  • the limiting head 1464 When the first sliding member 1342 and the second sliding member 1344 are relatively close to each other, the limiting head 1464 is relatively far from the guiding seat 144, and the guiding seat 144 compresses the elastic member 148; when the first sliding member 1342 is opposite to the second sliding member 1344 When away from the position, the limit head 1464 is relatively close to the guide 144, and the elastic member 148 is gradually extended. And the limiting head 1464 can prevent the guide rail 146 and the guide 144 from being separated from each other during the process of preventing the first sliding member 1342 and the second sliding member 1344 from moving away from each other.
  • the cross-sectional area of at least one of the limiting heads 1464 is greater than the cross-sectional area of the first through holes 1442 to prevent the limiting heads 1464 from passing through the first through holes 1442, ensuring that the limiting heads 1464 function as a limit.
  • the maximum distance between the first sliding member 1342 and the second sliding member 1344 is smaller than the distance between the limiting head 1464 and the fixing member 142. In addition, the maximum distance between the first sliding member 1342 and the second sliding member 1344 is not Greater than the length of the guide bar 1462.
  • the rail assembly 14 can be made of plastic or metal. That is, all of the components in the rail assembly 14 can be made of plastic, or all of the components in the rail assembly 14 can be made of metal, or some of the components of the rail assembly 14 can be made of metal, and the remaining components of the rail assembly 14 can be used. Made of plastic. As such, the material selection of the rail assembly 14 is more diverse and can meet more needs.
  • a side of the first sliding member 1342 opposite to the second sliding member 1344 is formed with a first guiding portion 134 a
  • a second sliding member 1344 and a first sliding portion The opposite side of the piece 1342 is formed with a second guiding portion 134b.
  • the first guiding portion 134 a and the second guiding portion 134 b may also be relatively close to or relatively away from each other.
  • the distance L2 of the gap between the portion 134a and the second guiding portion 134b is also relatively reduced or increased.
  • the first guiding portion 134a and the second guiding portion 134b can cooperate with each other and guide the relative movement of the first sliding member 1342 and the second sliding member 1344, so that the movement process of the first sliding member 1342 and the second sliding member 1344 is smoother. .
  • the first guiding portion 134 a and the second guiding portion 134 b are stepped, and the first guiding portion 134 a and the second guiding portion 134 b are engaged with each other.
  • the first guiding portion 134a and the second guiding portion 134b can better cooperate with each other to better guide the joint, and the joint of the first sliding member 1342 and the second sliding member 1344 is also more stable.
  • the first guiding portion 134a and the second guiding portion 134b are not limited to the stepped shape discussed above, and may have a shape that can be engaged, engaged, or fitted to each other, such as a zigzag shape or a comb-tooth shape.
  • the number of rail assemblies 14 is at least two, and at least two rail assemblies 14 are coupled to both sides of the central axes of the first slider 1342 and the second slider 1344.
  • the central axis is shown by the broken line V in FIG. 5, and at least two rail assemblies 14 can provide a better driving force and guiding effect to ensure that the first sliding member 1342 and the second sliding member 1344 slide more stably.
  • the first sliding member 1342 The positional relationship with the second slider 1344 is also relatively stable. Moreover, the detachment or misalignment between the first sliding member 1342 and the second sliding member 1344 is less likely to affect the movement of the first sliding member 1342 and the second sliding member 1344, and the normal bending and flattening of the bending mechanism 10 is ensured. In addition, when the bending mechanism 10 is switched to the bent state or the unfolded state, the movement of the first slider 1342 and the second slider 1344 is more stable.
  • the rail assembly 14 there are two rail assemblies 14, each of which includes a fixing member 142, a rail 146, an elastic member 148 and a guide 144.
  • the two rail assemblies 14 are symmetrically disposed on the first
  • the positional relationship between the first sliding member 1342 and the second sliding member 1344 is also relatively stable on both sides of the central axis of the sliding member 1342 and the second sliding member 1344.
  • the rail assembly 14 can be one to simplify the structure of the bending mechanism 10.
  • the rail assembly 14 can be multiple to more stably stabilize the sliding connection between the first slider 1342 and the second slider 1344.
  • the number of the fixing members 142, the guide rails 146, the elastic members 148 and the guides 144 of each of the rail assemblies 14 is not limited to the above-mentioned number, and the number of the rail assemblies 14 is not limited to the above-mentioned number, and is guaranteed.
  • the normal bending and flattening of the bending mechanism 10 and the stability of the sliding connection between the first sliding member 1342 and the second sliding member 1344 may be specifically set in a specific embodiment.
  • the spindle assembly 11 includes a second connecting shaft 112 , a first connecting shaft 116 and a steering shaft structure 114 .
  • the housing 13 includes a second component 132 and a first component 134.
  • the second connecting shaft 112 and the first connecting rotating shaft 116 are respectively rotatably connected to opposite sides of the steering shaft structure 114.
  • the number of the rail assemblies 12 is at least two, and the at least two rail assemblies 12 are symmetrically disposed in a direction perpendicular to the bending line of the rotating shaft assembly 11, and the bending lines can be understood to be in the same direction as the extending directions of the both ends of the rotating shaft assembly 11.
  • the wire, at least two rail assemblies 12 are symmetrically disposed in a direction perpendicular to the bend line of the spindle assembly 11.
  • the rail assembly 12 includes a second rail assembly 122 and a first rail assembly 124.
  • the second rail assembly 122 connects the second connecting shaft 112 with the second member 132.
  • the first rail assembly 124 connects the first connecting shaft 116 with First component 134.
  • the second connecting shaft 112 and the first connecting rotating shaft 116 are respectively hinged to the steering shaft structure 114.
  • the structural relationship of the shaft assembly 11 is simple, and it is easy to assemble into the bending mechanism 10 having a relatively simple structural relationship, thereby facilitating the formation of the flexible display device 100 to reduce production cost and manufacturing difficulty.
  • the housing 13 is made of metal or plastic. As such, the material selection of the housing 13 is diversified and easy to obtain, which is advantageous in reducing the cost of the bending mechanism 10. At the same time, the housing 13 made of plastic or metal has a certain strength, which is advantageous for improving the strength and quality of the bending mechanism 10, thereby improving the strength and quality of the flexible display device 100.
  • the second rail assembly 122 includes a second connecting base 1221 , a second sliding rail 1222 , and a second sliding seat 1223 .
  • the second connecting seat 1221 is fixed to the second connecting rotating shaft 112 and the second sliding seat 1223 is fixed to the second member 132.
  • the second sliding rail 1222 is slidably coupled to the second sliding seat 1223, and the second sliding rail 1222 is connected to the second connecting portion.
  • the seat 1221 is fixedly connected.
  • the second connecting seat 1221 is provided with a first mounting hole 122e, which is screwed, that is, the first mounting hole 122e is inserted through the screw to fix the second connecting seat 1221.
  • the second sliding seat 1223 is provided with a second mounting hole 122f, and is screwed into the second mounting hole 122f to fix the second sliding seat 1223 to the second component 132.
  • the screw screwing method is highly reproducible, easy to disassemble and assemble, and has high stability.
  • the second connecting seat 1221 can also be fixedly disposed on the second connecting rotating shaft 112 by welding, gluing or rivet riveting.
  • the second sliding seat 1223 can be fixedly disposed on the second component 132 by welding, gluing or rivet fastening.
  • a second through hole 122d is disposed on the second sliding block 1223.
  • the second sliding hole 1222 is correspondingly disposed through the third through hole 122d to be slidably connected to the second sliding seat 1223.
  • the second sliding rail 1222 can be in the third through hole 122d.
  • the linear movement is performed to make a relative movement between the second sliding rail 1222 and the second sliding seat 1223 to meet the relative movement of the second connecting seat 1221 and the second sliding seat 1223 under the guiding of the second sliding rail 1222 or Relatively far away from moving.
  • the second connecting seat 1221 can be provided with a second recess 122g. One end of the second sliding rail 1222 is inserted into the second recess 122g, and can be welded, glued, screwed or rivet-stamped.
  • the two connecting seats 1221 are fixedly arranged.
  • the second connecting shaft 112 and the second member 132 are also moved relatively close to each other or relatively far away under the guidance of the second rail assembly 122.
  • a portion of the second connecting shaft 112 corresponding to the second connecting seat 1221 is provided with a second mounting slot 1122 , and the second connecting seat 1221 is embedded in the second mounting slot 1122 to improve the space of the second connecting rotating shaft 112 .
  • the utilization and ensuring the relatively flat surface of the second connecting shaft 112 facilitates the laying of the subsequent flexible display assembly 20.
  • the second rail assembly 122 includes at least two second rails 1222 disposed in parallel, and at least two second rails 1222 are configured to guide the shaft assembly 11 and the second.
  • the direction of relative movement of the components 132 The parallel arrangement of the at least two second sliding rails 1222 ensures smoother and smoother sliding of the second sliding rails 1222 in the second sliding seats 1223, so that the movement between the rotating shaft assembly 11 and the second member 132 is smoother and smoother.
  • the number of the second sliding rails 1222 can be multiple, parallel and spaced apart from the second sliding seat 1223 and the second connecting seat 1221. In more embodiments, the number of second rails 1222 may also be one. In the embodiment of the present application, each of the second connecting base 1221 and the second sliding seat 1223 of each second sliding rail assembly 122 is one, and the second sliding rail 1222 is two.
  • the second rail 1222 may be one to simplify the structure of the second rail assembly 122.
  • the plurality of second sliding rails 1222 are more stable, so that the sliding of the second sliding rail assembly 122 to the second component 132 and the second connecting rotating shaft 112 is more stable.
  • the number of the third through holes 122d and the number of the second grooves 122g coincide with the number of the first slide rails 1222.
  • the second rail assembly 122 further includes a second elastic member 1224 , and the second elastic member 1224 is sleeved on the second sliding rail 1222 , and the second elastic member 1224 .
  • the second connecting seat 1221 and the second sliding seat 1223 are disposed between the second connecting seat 1221 and the second sliding seat 1223, and are used to apply a relatively distant elastic force to the second connecting seat 1221 and the second sliding seat 1223.
  • the second elastic member 1224 when the bending mechanism 10 is switched from the flattened state to the bent state, the second elastic member 1224 is compressed, and when the bending mechanism 10 is switched from the bent state to the flattened state, the second elastic member 1224 is stretched.
  • the second elastic member 1224 can provide a thrust during the flattening of the bending mechanism 10, and applies a relatively distant elastic force to the second connecting seat 1221 and the second sliding seat 1223 to push the second connecting rotating shaft 112 and the second member 132 to move relative to each other.
  • the process of flattening the flexible display device 100 by the user is smoother, thereby keeping the movement between the second connecting shaft 112 and the second member 132 relatively stable.
  • the second elastic member 1224 may be in a natural state (ie, a state in which no force is generated) or a compressed state when the bending mechanism 10 is in a flattened state.
  • the second elastic member 1224 is sleeved on the second sliding rail 1222 to save the stacking space of the bending mechanism 10, improve the space utilization ratio of the bending mechanism 10, and facilitate the bending mechanism 10 to set the remaining components.
  • the two ends of the second elastic member 1224 can be fixedly disposed with the second connecting seat 1221 and the second sliding seat 1223, respectively, or both ends of the second elastic member 1224 are not fixed, or one end of the second elastic member 1224 is not fixed. It is provided that the other end of the second elastic member 1224 is fixedly disposed with the second connecting seat 1221 or the second sliding seat 1223.
  • the second elastic member 1224 is sleeved on the second sliding rail 1222, and both ends are not fixed, so that the assembly is easy to disassemble.
  • the manner of disposing the second elastic member 1224 is not limited to the above-mentioned and discussed manner, and may be specifically set in a specific embodiment.
  • the second elastic member 1224 may be linear, and the linear shape of the second elastic member 1224 refers to the appearance of the second elastic member 1224 in a natural state.
  • the second connecting seat 1221, the second sliding rail 1222 and the second sliding seat 1223 are combined to fix the position of the second elastic member 1224, so that the second elastic member 1224 occurs in a predetermined direction, that is, the extending direction of the second sliding rail 1222.
  • the deformation is such that the second connecting shaft 112 and the second member 132 are relatively moved away under the guidance of the second rail 1222.
  • the second elastic member 1224 and the elastic member 148 may be the same type of elastic member such as a spring, a compression spring or the like.
  • the deformation direction of the second elastic member 1224 is parallel to the sliding direction of the second sliding rail 1222. In this way, the smoothness of the bending mechanism 10 when the second connecting shaft 112 and the second member 132 are relatively moved can be ensured. Specifically, when the bending mechanism 10 is switched from the bent state to the flattened state, the elastic force generated by the second elastic member 1224 in the compressed state acts on the second connecting seat 1221 and the second sliding seat 1223, and the elastic force is further transmitted to The second connecting shaft 112 and the second member 132 move the second connecting rotating shaft 112 and the second member 132 relatively far away.
  • the second sliding rail 1222 includes a second sliding bar 122 a and a second limiting portion 122 b .
  • the second sliding bar 122a is disposed through the second sliding seat 1223.
  • One end of the second sliding bar 122a is fixedly connected to the second connecting seat 1221, and the second limiting portion 122b is connected to the other end of the second sliding bar 122a.
  • the limiting portion 122b is for opposing the second sliding seat 1223 to limit the maximum distance that the second connecting rotating shaft 112 and the second member 132 are relatively far from moving.
  • the second sliding bar 122a and the second limiting portion 122b may be a unitary structure, or the second sliding bar 122a and the second limiting portion 122b may be separated, and the second limiting portion 122b and the second sliding bar 122a may be threaded.
  • the fixing is fixed together, or the second limiting portion 122b and the second sliding rod 122a are fixedly disposed by gluing, welding or the like.
  • the second elastic member 1224 is sleeved on the second sliding rod 122a, the second sliding rod 122a is slidable in the second sliding seat 1223, and the second sliding seat 1223 is located in the second elastic member 1224 and the second limiting portion. Between 122b.
  • the second limiting portion 122b When the second connecting shaft 112 and the second member 132 are relatively close to each other, the second limiting portion 122b is relatively far from the second sliding seat 1223, the second sliding seat 1223 compresses the second elastic member 1224; when the second connecting rotating shaft 112 is When relatively distant from the second member 132, the second limiting portion 122b is relatively close to the second sliding seat 1223, and the second elastic member 1224 is gradually extended to a natural state (or may still be in a compressed state).
  • the second limiting portion 122b prevents the second connecting rod 112 and the second sliding portion 1223 from being separated from each other during the process of preventing the second connecting shaft 112 from moving away from the second member 132.
  • the cross-sectional area of the at least one portion of the second limiting portion 122b is greater than the cross-sectional area of the third through hole 122d to prevent the second limiting portion 122b from passing through the third through hole 122d, ensuring that the second limiting portion 122b To the limit.
  • the second rail assembly 122 can be made of plastic or metal. That is, all of the components in the second rail assembly 122 can be made of plastic, or all of the components of the second rail assembly 122 can be made of metal, or some of the components of the second rail assembly 122 can be made of metal. The remaining components of the second and second rail assemblies 122 are made of plastic. As such, the material selection of the second rail assembly 122 is more diverse and can meet more needs. Referring to FIGS. 5 and 10, in some embodiments, the number of second rail assemblies 122 is at least two, and at least two second rail assemblies 122 are coupled to the second connecting shaft 112 and the second member 132, respectively.
  • At least two second mounting slots 1122 are disposed on a side of the second connecting shaft 112 facing the second member 132.
  • the at least two second connecting seats 1221 are respectively embedded in the at least two second mounting slots 1122 of the second connecting rotating shaft 112.
  • the second rail assembly 122 is two, and the two second rail assemblies 122 are symmetrically disposed on the central axis of the second connecting shaft 112 and the second member 132 (VV line). On both sides of this, the second connecting shaft 112 and the second member 132 can be stably connected.
  • the second rail assembly 122 can be one to simplify the structure of the bending mechanism 10.
  • the second rail assembly 122 can be multiple to make the sliding connection relationship between the second connecting shaft 112 and the second member 132 more stable.
  • the first rail assembly 124 includes a first connecting base 1241 , a first sliding rail 1242 , and a first sliding seat 1243 .
  • the first connecting bracket 1241 is fixed to
  • the first connecting shaft 116 is fixed to the first member 134
  • the first sliding rail 1242 is slidably connected to the first sliding seat 1243
  • the first sliding rail 1242 is fixedly connected to the first connecting seat 1241.
  • the first connecting seat 1241 is provided with a third mounting hole 124e, and is screwed into the third mounting hole 124e to fix the first connecting seat 1241 to the first connecting seat 1241.
  • the first sliding shaft 116 is disposed on the second sliding seat.
  • the second sliding seat is provided with a fourth mounting hole 124f.
  • the screw is screwed into the fourth mounting hole 124f to fix the first sliding seat 1243 to the first component.
  • the screw screwing method is highly reproducible, easy to disassemble and assemble, and has high stability.
  • the first connecting seat 1241 can also be fixedly disposed on the first connecting rotating shaft 116 by welding, gluing or rivet riveting.
  • the first sliding seat 1243 can also be fixedly disposed on the first component 134 by welding, gluing or rivet fastening.
  • a second through hole 124d is disposed on the first sliding block 1243.
  • the first sliding rail 1242 is correspondingly disposed to be slidably connected to the first sliding seat 1243, that is, the first sliding seat 1243 can be along the first sliding rail.
  • the movement of the first sliding block 1242 and the first sliding seat 1243 is relatively moved to ensure that the first connecting seat 1241 and the first sliding seat 1243 move relatively close to each other under the guidance of the first sliding rail 1242. mobile.
  • the first connecting seat 1241 can be provided with a third recess 124g. One end of the first sliding rail 1242 is inserted into the third recess 124g, and can be welded, glued, screwed or rivet-stamped.
  • a connecting seat 1241 is fixedly disposed.
  • the first connecting shaft 116 and the first member 134 move relatively close to each other under the guidance of the first rail assembly 124 or move relatively far away.
  • a portion of the first connecting shaft 116 corresponding to the first connecting seat 1241 is provided with a first mounting groove 1162 .
  • the first connecting seat 1241 is embedded in the first mounting groove 1162 to improve the space of the first connecting rotating shaft 116 .
  • the utilization and ensuring the relatively flat surface of the first connecting shaft 116 facilitates the laying of the subsequent flexible display assembly 20.
  • the first rail assembly 124 includes at least two first rails 1242 disposed in parallel, and at least two first rails 1242 are configured to guide the shaft assembly 11 and the first The direction of relative movement of the component 134 (first slider 1342).
  • the parallel arrangement of the at least two first slide rails 1242 ensures smoother and smoother sliding of the first slide rails 1242 in the first slides 1243, so that the movement between the shaft assembly 11 and the first member 134 is smoother and smoother.
  • the number of the first sliding rails 1242 may be multiple, and the plurality of first sliding rails 1242 may be disposed in parallel and spaced apart from the first sliding base 1243 and the first connecting seat 1241. In other embodiments, the number of the first rails 1242 may also be one.
  • the rail assembly 12 includes at least two slide rails disposed in parallel (eg, at least two second slide rails) 1222, at least two first sliding rails 1242), at least two sliding rails (at least two second sliding rails 1222, at least two first sliding rails 1242) can be used for guiding the relative movement of the rotating shaft assembly 11 and the housing 13 direction.
  • the relative movement of the shaft assembly 11 and the housing 13 is guided by at least two slide rails disposed in parallel, and the sliding stability between the shaft assembly 11 and the housing 13 is high.
  • the first connecting seat 1241 and the first sliding seat 1243 of each of the first sliding rail assemblies 124 are one, and the first sliding rails 1242 are two.
  • the first rail 1242 can be one to simplify the structure of the first rail assembly 124.
  • the first sliding rails 1242 are plural, so that the relative sliding between the first component 134 and the first connecting rotating shaft 116 is more stable under the guiding action of the first sliding rail assembly 124.
  • the first component 134 includes a first sliding member 1342 and a second sliding member 1344 .
  • the first sliding rail assembly 124 further includes a first elastic member 1244 , and the first elastic member 1244 is sleeved on the first The first elastic member 1244 is disposed between the first connecting seat 1241 and the first sliding seat 1243 and is configured to apply a relatively distant elastic force to the first connecting seat 1241 and the first sliding seat 1243.
  • the first elastic member 1244 when the bending mechanism 10 is switched from the flattened state to the bent state, the first elastic member 1244 is compressed, and when the bending mechanism 10 is switched from the bent state to the flattened state, the first elastic member 1244 is stretched.
  • the first elastic member 1244 can provide a thrust during the flattening of the bending mechanism 10, and applies a relatively distant elastic force to the first connecting seat 1241 and the first sliding seat 1243 to push the first connecting rotating shaft 116 to move relative to the first member 134.
  • the process of flattening the flexible display device 100 by the user is smoothed, thereby keeping the movement between the first connecting shaft 116 and the first member 134 relatively stable.
  • the first elastic member 1244 may be in a natural state (ie, a state in which no force is generated) or a compressed state when the bending mechanism 10 is in a flattened state.
  • the first sliding seat 1243 is disposed on the first sliding member 1342.
  • the first elastic member 1244 is sleeved on the first sliding rail 1242 to save the stacking space of the bending mechanism 10, improve the space utilization ratio of the bending mechanism 10, and facilitate the bending mechanism 10 to set the remaining components.
  • the two ends of the first elastic member 1244 can be fixedly disposed with the first connecting seat 1241 and the first sliding seat 1243, respectively, or both ends of the first elastic member 1244 are not fixed, or one end of the first elastic member 1244 is not fixed. It is provided that the other end of the first elastic member 1244 is fixedly disposed with the first connecting seat 1241 or the first sliding seat 1243.
  • the first elastic member 1244 is sleeved on the first sliding rail 1242, and both ends are not fixed, so that the assembly is easy to disassemble.
  • the manner in which the first elastic member 1244 is disposed is not limited to the manner discussed above and discussed, and may be specifically configured in a specific embodiment.
  • the first elastic member 1244 may be linear, and the linear shape of the first elastic member 1244 refers to the appearance of the first elastic member 1244 in a natural state.
  • the first connecting seat 1241 and the first sliding rail 1242 are combined with the first sliding seat 1243 to fix the position of the first elastic member 1244, so that the first elastic member 1244 occurs in a predetermined direction, that is, the extending direction of the first sliding rail 1242.
  • the deformation is such that the first connecting shaft 116 and the first member 134 move relatively far away under the guidance of the first rail 1242.
  • the second elastic member 1224, the first elastic member 1244 and the elastic member 148 may be the same type of elastic member such as a spring, a compression spring or the like.
  • the deformation direction of the first elastic member 1244 is parallel to the sliding direction of the first sliding rail 1242. In this way, the smoothness of the bending mechanism 10 when the first connecting shaft 116 and the first member 134 are relatively moved can be ensured. Specifically, when the bending mechanism 10 is switched from the bent state to the flattened state, the elastic force generated by the first elastic member 1244 in the compressed state acts on the first connecting seat 1241 and the first sliding seat 1243, and the elastic force is further transmitted to The first connecting shaft 116 and the first sliding member 1342 move the first connecting rotating shaft 116 and the first sliding member 1342 relatively far away.
  • the first sliding rail 1242 includes a first sliding bar 124 a and a first limiting portion 124 b .
  • the first sliding bar 124a is disposed through the first sliding seat 1243.
  • One end of the first sliding bar 124a is fixedly connected to the first connecting seat 1241, and the first limiting portion 124b is connected to the other end of the first sliding bar 124a.
  • the limiting portion 124b is for opposing the first sliding seat 1243 to limit the maximum distance that the first connecting rotating shaft 116 moves relative to the first sliding member 1342.
  • the first sliding bar 124a and the first limiting portion 124b may be a unitary structure, or the first sliding bar 124a and the first limiting portion 124b may be separated structures, such as the first limiting portion 124b and the first sliding bar 124a may be threaded.
  • the fixing is fixed together, or the first limiting portion 124b and the first sliding rod 124a are fixedly disposed by gluing, welding or the like.
  • the first elastic member 1244 is sleeved on the first sliding rod 124a, and the first sliding rod 124a is slidable in the first sliding seat 1243.
  • the first sliding member 1243 is located at the first elastic member 1244 and the first limiting portion. Between 124b.
  • the first limiting portion 124b When the first connecting shaft 116 is relatively close to the first sliding member 1342, the first limiting portion 124b is relatively far away from the first sliding portion 1243, and the first sliding seat 1243 compresses the first elastic member 1244; when the first connecting shaft is rotated When the 116 is relatively far away from the first sliding member 1342, the first limiting portion 124b is relatively close to the first sliding portion 1243, and the first elastic member 1244 is gradually extended to a natural state (or may still be in a compressed state). And the first limiting portion 124b can prevent the first sliding rod 124a and the first sliding seat 1243 from being separated from each other during the process of preventing the first connecting rotating shaft 116 from moving away from the first sliding member 1342.
  • the cross-sectional area of the at least one portion of the first limiting portion 124b is greater than the cross-sectional area of the second through hole 124d to prevent the first limiting portion 124b from passing through the second through hole 124d, ensuring that the first limiting portion 124b To the limit.
  • the first rail assembly 124 can be made of plastic or metal. That is, all of the components in the first rail assembly 124 can be made of plastic, or all of the components of the first rail assembly 124 can be made of metal, or some of the components of the first rail assembly 124 can be made of metal. The remaining components of the first slide assembly 124 are made of plastic. As such, the material selection of the first rail assembly 124 is more diverse and can meet more needs.
  • the second sliding member 1344 includes a bottom plate 134 e and a side plate 134 f extending perpendicularly from the bottom plate 134 e .
  • the side plate 134 f is formed with a guiding groove 134 g
  • the first sliding seat A guide block 124c is formed on a side of the 1243 adjacent to the second sliding member 1344.
  • the guiding block 124c is embedded in the guiding groove 134g and slidable in the guiding groove 134g to slide the first member 134 relative to the first sliding rail assembly 124.
  • the length of the guide groove 134g is greater than the maximum distance L2 between the first slider 1342 and the second slider 1344.
  • the guiding groove 134g is formed on the side plate 134f to cooperate with the guiding block 124c formed on the first sliding seat 1243.
  • the guiding block 124c is embedded in the guiding groove 134g to reduce the stacking space of the bending mechanism 10 and improve the bending.
  • the space utilization of the mechanism 10 facilitates the setting of the bending mechanism 10 and the remaining components of the flexible display device 100, and the sliding fit of the guide block 124c and the guide groove 134g has better stability.
  • the guide grooves 134g may be formed on the side plates 134f on both sides of the central axis of the second sliding member 1344, and the number of the guiding grooves 134g may coincide with the number of the first sliding blocks 1243 so that the second sliding members 1344 are Both sides are guided by the cooperation of the first sliding seat 1243 and the guiding groove 134g, so that the sliding of the second sliding member 1344 is smoother and smoother.
  • the number of the first rail assemblies 124 is at least two, and the at least two first rail assemblies 124 are respectively connected to the first connecting shaft 116 and the second sliding member 1344 .
  • at least one side of the first connecting shaft 116 facing the second sliding member 1344 is provided with at least two first mounting grooves 1162.
  • the at least two first connecting seats 1241 are respectively embedded in the at least two first mounting slots 1162 of the first connecting rotating shaft 116.
  • the first rail assembly 124 is two, and the two first rail assemblies 124 are symmetrically disposed on the central axis of the first connecting shaft 116 and the first sliding member 1342 (VV On both sides of the line), the first connecting shaft 116 and the first slider 1342 can be connected to each other more stably.
  • the first rail assembly 124 can be one to simplify the structure of the bending mechanism 10.
  • the first rail assembly 124 can be multiple to make the sliding connection relationship between the first connecting shaft 116 and the first slider 1342 more stable.
  • the bending mechanism 10 further includes a second cover 15 and a first cover 16 .
  • the second cover member 15 and the second member 132 form a second accommodating space (not shown).
  • the first cover member 16 is combined with the first member 134 and forms a first receiving space (not shown).
  • the second sliding seat 1223 and the second sliding rail 1222 are received in the second accommodating space.
  • the first sliding seat 1243, the first sliding rail 1242 and the rail assembly 14 are received in the first accommodating space.
  • the second accommodating space and the first accommodating space may also be used to accommodate the bending mechanism 10 and the remaining components of the flexible display device 100.
  • the combination of the second cover 15 and the second component 132 can protect the internal structure of the second slide assembly 122 and the like, and the combination of the first cover 16 and the first component 134 can protect the interior of the first slide assembly 124, the guide rail assembly 14, and the like.
  • the structure prevents the internal structure from being affected by moisture impurities and the like, and the internal structure of the flexible display device 100 is not seen by the user, ensuring the integrity and aesthetics of the flexible display device 100.
  • the steering shaft structure 114 includes a first rotating shaft 1142 , a second rotating shaft 1144 and a third rotating shaft 1146 .
  • the first rotating shaft 1142 and the third rotating shaft 1146 are respectively rotatably connected to the second shaft.
  • the first rotating shaft 1142 is for connecting the second connecting rotating shaft 112 and the second rotating shaft 1144
  • the third rotating shaft 1146 is for connecting the first connecting rotating shaft 116 and the second rotating shaft 1144.
  • first rotating shaft 1142, the second rotating shaft 1144 and the third rotating shaft 1146 are hinged to each other, such that the first rotating shaft 1142, the second rotating shaft 1144 and the multi-rotating shaft of the third rotating shaft 1146 can satisfy the bending mechanism 10 and the flexibility.
  • the bending angle requirement of the display device 100 the inside of the first rotating shaft 1142, the second rotating shaft 1144 and the third rotating shaft 1146 can be hollowed out, which can reduce the overall weight of the steering shaft structure 114, and is beneficial to realize the thinning and thinning of the bending mechanism 10 and the flexible display device 100, and is convenient for the user. Carry and use.
  • the specific embodiment of the steering shaft structure 114 is not limited to the embodiments discussed above, but can be set as desired. In more embodiments, fewer or more rotating shafts may be employed. It will be appreciated that fewer rotating shafts may result in a relatively simple structure of the steering shaft structure 114, reducing production costs and complexity of assembly and disassembly; The rotating shaft can make the bending angle of the steering shaft structure 114 more diverse, so as to improve the bending angle and the bending shape of the bending mechanism 10, and further make the bending of the flexible display device 100 more diverse.
  • the second connecting rotating shaft 112, the first connecting rotating shaft 116 and the internal hollowing design of the steering shaft structure 114, such that the rotating shaft assembly 11 has a certain strength, can also reduce the overall weight of the rotating shaft assembly 11, and is beneficial for bending.
  • the mechanism 10 and the flexible display device 100 are light and thin, which is convenient for the user to carry and use.
  • the second connecting rotating shaft 112 and the steering rotating shaft structure 114 rotate synchronously with the first connecting rotating shaft 116.
  • the bending process and the flattening process of the bending mechanism 10 can be ensured to be smooth and smooth, thereby smoothing the flattening process and the bending process of the flexible display device 100, thereby improving the user experience.
  • an inversion restricting structure (not shown) may be provided at the connection of the second connecting rotating shaft 112, the first connecting rotating shaft 116 and the steering rotating shaft structure 114, so that the reverse rotation of the rotating shaft assembly 11 can be avoided, for example, the rotating shaft assembly 11 can be avoided.
  • the bending mechanism 10 or the flexible display device 100 continues to be bent in the unfolding direction in a state of being fully deployed or 0 degrees, thereby preventing the erroneous operation from damaging the bending mechanism 10.
  • the rotating shaft assembly 11 has a substantially rectangular shape in a planar shape when in an unfolded state.
  • the shape of the shaft assembly 11 is regular, and it is convenient to form the shape-defining bending mechanism 10, thereby facilitating the bending mechanism 10 to support the shape-form flexible display panel assembly 20, thereby forming a shape-form flexible display device 100.
  • the shape of the spindle assembly 11 does not limit the embodiments discussed above, but may be set as desired in other embodiments.
  • the housing 13 includes a first side 136 opposite the spindle assembly 11 , the spindle assembly 11 including a second side 118 opposite the housing 13 .
  • the first side portion 136 is formed with a first guiding structure 1362
  • the second side portion 118 is provided with a second guiding structure 1182.
  • the first guiding structure 1362 is coupled with the second guiding structure 1182 and is guided to the opposite of the housing 13 and the rotating shaft assembly 11. mobile.
  • the distance between the first guiding structure 1362 and the second guiding structure 1182 is a maximum value, and the first guiding structure 1362 and the second guiding structure 1182 can be partially embedded. In combination, it is convenient to guide the movement of the shaft assembly 11 and the housing 13 when bent.
  • the first guiding structure 1362 and the second guiding structure 1182 are close to each other and can be further fitted to further guide the relative movement of the housing 13 and the rotating shaft assembly 11. .
  • the first guiding structure 1362 and the second guiding structure 1182 may each include a plurality of protrusions, and the plurality of protrusions are offset from each other and cooperate with each other. Further, the first guiding structure 1362 and the second guiding structure 1182 are respectively comb-shaped structures that can be coupled to each other, and the first guiding structure 1362 and the second guiding structure 1182 are relatively movable between the comb teeth. The engagement has a better guiding effect, and the relative movement between the housing 13 and the rotating shaft assembly 11 is also relatively gentle, and the offset is less likely to occur.
  • first guiding structure 1362 is disposed on the second member 132 and the first sliding member 1342
  • second guiding structure 1182 is disposed on the side of the second connecting rotating shaft 112 and the first connecting rotating shaft 116 facing the housing 13.
  • the cooperation between the first guiding structure 1362 and the second guiding structure 1182 provides a guiding function for the relative sliding between the second component 132 and the second connecting rotating shaft 112, and is the first sliding member 1342 and the first connecting rotating shaft 116.
  • the relative sliding between them provides a guiding effect.
  • the first guiding structure 1362 includes a fitting portion 136a
  • the second guiding structure 1182 includes a fitting member 118a that is fitted into the fitting portion 136a.
  • the fitting portion 136a is a rotating shaft.
  • the first protrusion 136b extends in the direction of the assembly 11.
  • the first protrusion 136b defines a first receiving groove 136c.
  • the fitting 118a is recessed in a direction away from the housing 13 and corresponds to the first protrusion 136b.
  • the second accommodating groove 118b has a second protrusion 118c extending in the direction of the casing 13 and corresponding to the first accommodating groove 136c.
  • the first protrusion 136b matches the second receiving groove 118b
  • the first receiving groove 136c matches the second protrusion 118c.
  • the fitting guide between the first guiding structure 1362 and the second connecting rotating shaft 112, and the fitting guiding between the second guiding structure 1182 and the first connecting rotating shaft 116 are more stable. That is, the guiding of the second member 132 and the rotating shaft assembly 11, and the guiding of the first member 134 and the rotating shaft assembly 11 are more stable.
  • the structure of the bending mechanism 10 is also more stable, so that the bending process and the flattening process of the bending mechanism 10 are also smoother and smoother.
  • the flexible display device 100 of the embodiment of the present application includes the bending mechanism 10 of any of the above embodiments and the flexible display screen assembly 20 disposed on the bending mechanism 10 .
  • the flexible display device 100 of the present embodiment moves relatively close to the first sliding member 1342 under the guidance of the sliding rail assembly 12, and the first sliding member 1342 and the second sliding member. 1344 moves relatively close under the guidance of the rail assembly 14, and combines the relative movement between the shaft assembly 11 and the first plate 131 to offset the change in the arc length at the bend when the shaft assembly 11 is bent, thereby avoiding the installation of The flexible display screen 24 on the bending mechanism 10 is stretched and broken to ensure the service life of the flexible display screen 24.
  • the flexible display panel 24 can also be tiled when the spindle assembly 11 is in the deployed state.
  • the outer contour is substantially rectangular or rounded, which is more suitable for the user's usage habits and has a better display area.
  • the outer contour of the flexible display device 100 when it is fully flattened is substantially rectangular or rounded rectangular, which is merely exemplary and should not be construed as limiting the application.
  • the flexible display assembly 20 includes a flexible support 22 and a flexible display 24.
  • the flexible support member 22 is fixedly coupled to the first slider 1342, and the flexible display panel 24 is attached to the opposite side of the flexible support member 22 from the first slider member 1342.
  • the flexible support member 22 includes a first non-bending region 222, a second non-bending region 226, and a first bending region 224 connecting the first non-bending region 222 and the second non-bending region 226.
  • the first non-bending area 222 , the second non-bending area 226 and the bending area 224 can be attached to the housing 13 in sections, and the flexible display screen 24 can be attached to the flexible support 22 and the first component 134 in sections. on.
  • the first non-bending area 222 is fixedly attached to the second component 132
  • the second non-bending area 226 is fixedly attached to the first sliding member 1342
  • the bending area 224 is slidably attached to the rotating shaft assembly 11 .
  • the flexible display screen 24 is fixedly attached to the first non-bending area 222 and the second sliding part 1344, and is slidably engaged with the second non-bending area 226 and the bending area 224.
  • the second component 132, the flexible support 22 and the flexible display screen 24 can simultaneously slide relative to the spindle assembly 11.
  • the flexible display screen 24 does not completely conform to the bending area 224.
  • a portion of the flexible display screen 24 that does not completely fit on the bending area 224 can slide relative to the flexible support member 22, reducing flexibility.
  • the display screen 24 is at risk of being stretched and broken.
  • the second non-bending region 226 is affixed to the first slider 1342 and slidable relative to the spindle assembly 11.
  • the portion of the flexible display screen 24 that extends to the first member 134 is affixed to the second slider 1344 and slidable relative to the first slider 1342.
  • the flexible supporting member 22 drives the first sliding member 1342 to move toward the second member 132 to satisfy the length of the bending mechanism 10 in the bent and flattened state.
  • the flexible display assembly 20 and the rotating shaft assembly 11 have a difference in radius, so the sliding of the second sliding member 1344 is required to produce a change in length required for bending, thereby preventing the flexible display screen 24 from being damaged by stretching.
  • the attachment of the flexible support 22 to the flexible display screen 24 allows the flexible support 22 to better support the flexible display screen 24.
  • the flexible support member 22, the flexible display panel 24, the second member 132, the first sliding member 1342 and the second sliding member 1344, etc. may be made of a medium having a certain adhesive ability such as an optical glue or a double-sided adhesive layer.
  • the corresponding portions are brought together to provide better fixing ability and also ensure the slimness and integrity of the flexible display device 100.
  • the flexible support 22 is fabricated from a titanium alloy, stainless steel, carbon fiber composite, or Kevlar.
  • the above materials have high strength, good rigidity, low density, light weight, high heat strength and good corrosion resistance, and are suitable as materials for the flexible support member 22.
  • the flexible display screen 24 includes an OLED display screen.
  • the OLED display also has a self-luminous organic electroluminescent diode, which has the advantages of no backlight, high contrast, thin thickness, wide viewing angle, fast response, etc., and can be used for flexible panels, wide temperature range, construction and process. It's simpler.

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Abstract

一种弯折机构（10）与柔性显示装置（100）。弯折机构（10）包括转轴组件（11）与壳体（13）。壳体（13）包括第一部件（134）及第二部件（132），第一部件（134）包括第一滑动件（1342）及第二滑动件（1344）。转轴组件（11）连接于第一部件（134）与第二部件（132）之间，第一部件（134）可通过转轴组件（11）相对第二部件（132）旋转，第一滑动件（1342）活动连接于转轴组件（11）与第二滑动件（1344）之间。当转轴组件（11）弯折时，第一滑动件（1342）与转轴组件（11）之间的第一距离以及第二滑动件（1344）与第一滑动件（1342）之间的第二距离发生变化。

Description

弯折机构与柔性显示装置
优先权信息
本申请请求2018年03月12日向中国国家知识产权局提交的、专利申请号为PCT/CN2018/078690、PCT/CN2018/078691、PCT/CN2018/078689的专利申请的优先权和权益，以及2018年05月25日向中国国家知识产权局提交的、专利申请号为PCT/CN2018/088517的专利申请的优先权和权益，并且通过参照将其全文并入此处。
技术领域
本申请涉及柔性屏支撑领域，尤其涉及一种弯折机构与柔性显示装置。
背景技术
柔性显示屏由于具有可折叠、曲面和可拉伸等优点，受到越来越多消费者的欢迎。而在柔性显示屏弯折的过程中，需将柔性显示屏承载于弯折结构上来实现，因此有必要提供一种能够适用于可弯折的柔性显示屏的弯折结构。
发明内容
有鉴于此，本申请提供一种可适用于可弯折的柔性显示屏的弯折机构与柔性显示装置。
本申请实施方式的弯折机构包括壳体与转轴组件。壳体包括第一部件及第二部件，第一部件包括第一滑动件及第二滑动件。转轴组件连接于第一部件与第二部件之间，第一部件可通过转轴组件相对第二部件旋转，第一滑动件活动连接于转轴组件与第二滑动件之间。当转轴组件弯折时，第一滑动件与转轴组件之间的第一距离以及第二滑动件与第一滑动件之间的第二距离发生变化。
本申请实施方式的弯折机构与柔性显示装置在弯折机构弯折时，通过转轴组件与第一滑动件之间的相对移动，以及第一滑动件与第二滑动件之间的相对移动，来抵消转轴组件弯折时在柔性显示装置弯折处弧长的变化，从而避免了对安装在弯折机构上的柔性显示装置的柔性显示屏被拉伸破坏。同时，也可使转轴组件在展开状态时，柔性显示屏能够平铺。
本申请实施方式的柔性显示装置包括上述实施方式的弯折机构和柔性显示屏。柔性显示屏设置在弯折机构上，柔性显示屏的相对两端分别固定于第二部件及第二滑动件。
本申请实施方式的弯折机构与柔性显示装置在弯折机构弯折时，通过转轴组件与第一滑动件在滑轨组件的导向下相对移动，以及第一滑动件与第二滑动件在导轨组件的导向下相对移动，来抵消转轴组件弯折时在弯折处弧长的变化，从而避免了对安装在弯折机构上的柔性显示屏拉伸破坏，并且转轴组件与壳板相对移动由平行设置的至少两个滑轨导向，转轴组件与壳板之间的滑动平稳性高，保证了柔性显示屏的使用寿命。同时，也可使转轴组件在展开状态时，柔性显示屏能够平铺。
本申请的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本申请的实践了解到。
附图说明
本申请的上述和/或附加的方面和优点从结合下面附图对实施方式的描述中将变得明显和容易理解，其中：
图1是本申请其中一实施方式的柔性显示装置在展平状态时的主视示意图；
图2是本申请其中一实施方式的柔性显示装置在展平状态时的后视示意图；
图3是本申请其中一实施方式的柔性显示装置在折叠状态时的立体示意图；
图4是本申请其中一实施方式的柔性显示装置的立体分解示意图；
图5是本申请其中一实施方式的弯折机构的立体示意图；
图6是图5中VI部分的放大示意图；
图7是本申请其中一实施方式的弯折机构在折叠状态时的立体示意图；
图8是本申请其中一实施方式的弯折机构的部分结构的立体分解示意图；
图9是图8中IX部分的放大示意图；
图10是本申请其中一实施方式的转轴组件在弯折机构处于展平状态时的立体示意图；
图11是本申请其中一实施方式的转轴组件的分解示意图；
图12是本申请其中一实施方式的第一滑动件的立体示意图；
图13是本申请其中一实施方式的第一滑动件的另一视角的立体示意图；
图14是本申请其中一实施方式的滑轨组件的立体分解示意图；
图15是本申请其中一实施方式的导轨组件的立体分解示意图。
具体实施方式
下面详细描述本申请的实施方式，所述实施方式的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施方式是示例性的，仅用于解释本申请，而不能理解为对本申请的限制。
在本申请的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个所述特征。在本申请的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
下文的公开提供了许多不同的实施方式或例子用来实现本申请的不同结构。为了简化本申请的公开，下文中对特定例子的部件和设置进行描述。当然，它们仅仅为示例，并且目的不在于限制本申请。此外，本申请可以在不同例子中重复参考数字和/或参考字母，这种重复是为了简化和清楚的目的，其本身不指示所讨论各种实施方式和/或设置之间的关系。此外，本申请提供了的各种特定的工艺和材料的例子，但是本领域普通技术人员可以意识到其他工艺的应用和/或其他材料的使用。
请参阅图1至图4，本申请实施方式提供一种弯折机构10与柔性显示装置100。柔性显示装置100包括弯折机构10及柔性显示屏24，柔性显示屏24结合在弯折机构10上，柔性显示装置100的柔性显示屏24可用于显示画面。柔性显示装置100包括但不限于手机、平板电脑、可折叠穿戴设备等显示设备。
请结合图5至图7，本申请实施方式的弯折机构10包括转轴组件11、滑轨组件12、壳体13及导轨组件14，壳体13包括第一滑动件1342及第二滑动件1344，滑轨组件12连接第一滑动件1342与转轴组件11，导轨组件14连接第一滑动件1342及第二滑动件1344。转轴组件11能够在展开状态(如图1、图2及图5)与折叠状态(如图3及图7)之间切换，在展开状态向弯折状态切换时，转轴组件11与第一滑动件1342能够在滑轨组件12的导向下相对靠近移动，第一滑动件1342与第二滑动件1344能够在导轨组件14的导向下相对靠近移动。在弯折状态向展开状态切换时，转轴组件11与第一滑动件1342能够在滑轨组件12的导向下相对远离移动，第一滑动件1342与第二滑动件1344能够在导轨组件14的导向下相对远离移动。
本申请实施方式的弯折机构10与柔性显示装置100，在弯折机构10弯折时，通过转轴组件11与第一滑动件1342在滑轨组件12的导向下相对靠近移动，以及第一滑动件1342与第二滑动件1344在导轨组件14的导向下相对靠近移动来抵消转轴组件11弯折时在弯折处弧长的变化，从而避免了对安装在弯折机构10的柔性显示屏24拉伸破坏，保证了柔性显示屏24的使用寿命。同时，也可使转轴组件11在展开状态时，柔性显示屏24能够平铺。
转轴组件11弯折后呈弧形面处的长度变化可由转轴组件11与第一滑动件1342之间的第一距离L1、以及第一滑动件1342与第二滑动件1344之间的第二距离L2变化来补偿，以使柔性显示装置100的总长度不变，避免柔性显示屏24被拉伸破坏。弯折机构10展平时，第一距离L1为最大值。当弯折机构10逐渐弯折时，第一滑动件1342相对转轴组件11滑动靠近，第一距离L1减小；第二滑动件1344向第一滑动件1342靠近，但同时第一滑动件1342又朝向转轴组件11靠近，也就是第一滑动件1342会相对第二滑动件1344远离，因此，第二距离L2可能减小也可能增大，具体取决于第一滑动件1342相对转轴组 件11靠近的距离，以及第二滑动件1344相对转轴组件11靠近的距离，但无论第二距离L2如何变化，其最终都可以使得柔性显示屏20被避免剧烈拉伸，以使柔性显示装置100的弯折与展平变化正常。
在本申请的实施例中，当转轴组件11处于展开状态时，转轴组件11与第一滑动件1342之间的第一距离L1大于第一滑动件1342与第二滑动件1344之间的第二距离L2。
请参阅图5与图15，在某些实施方式中，导轨组件14包括固定件142、导座144及导轨146，固定件142固定在第一滑动件1342上，导座144固定在第二滑动件1344上，导轨146与导座144可滑动地连接，导轨146与固定件142固定连接。
具体地，固定件142可通过焊接、胶粘、螺钉螺固或铆钉铆固等方式固定设置于第一滑动件1342上(如图5所示靠近第一滑动件1342的两端的位置)。导座144可通过焊接、胶粘、螺钉螺固或铆钉铆固等方式固定设置于第二滑动件1344上(如图5所示靠近第二滑动件1344的两端的位置)。导座144上可设置第一通孔1442，导轨146穿设第一通孔1442以与导座144滑动地连接，即导座144可沿导轨146滑动，使导轨146与导座144之间发生相对移动，以满足固定件142与导座144在导轨146的导向下发生相对靠近移动或相对远离移动，同时第一滑动件1342与第二滑动件1344也在导轨组件14的导向下相对靠近移动或相对远离移动。固定件142上可设置第一凹槽1422，导轨146的一端插设于第一凹槽1422内，并可通过焊接、胶粘、螺钉螺固或铆钉铆固等方式与固定件142固定设置。
优选地，在本申请实施方式中，固定件142还包括第四通孔1424，螺钉穿设固定件142上的第四通孔1424以将固定件142固定设置于第一滑动件1342上；导座144还包括第五通孔1444，螺钉穿设导座144上的第五通孔1444以将导座144固定设置于第二滑动件1344上。螺钉螺固的方式重复性高，便于拆卸组装，也具备较高的稳定性。
请进一步参阅图5与图15，在某些实施方式中，导轨组件14还包括弹性件148，弹性件148套设在导轨146上，弹性件148设置在固定件142与导座144之间，并用于向固定件142及导座144施加相对远离的弹力。
具体地，当弯折机构10由展平状态向弯折状态切换时，弹性件148压缩，当弯折机构10由弯折状态向展平状态切换时，弹性件148伸展。弹性件148可在弯折机构10展平过程中提供推力，推动第一滑动件1342与第二滑动件1344相对运动，使展平过程顺畅，从而保持第一滑动件1342与第二滑动件1344之间的移动相对平稳，以避免柔性显示屏组件20翘起的问题。弹性件148在弯折机构10处于展平状态时可为自然状态(即不产生力的状态)或压缩状态。弹性件148套设在导轨146上可节省弯折机构10的堆叠空间，提高弯折机构10的空间利用率，便于弯折机构10设置其余元件。
另外，弹性件148的两端可分别与固定件142、导座144固定设置，或弹性件148的两端均不固定，弹性件148的一端与固定件142或导座144固定设置，弹性件148的另一端不固定设置。优选地，弹性件148套设于导轨146上，并且两端均不固定，如此便于拆卸组装。当然，弹性件148的设置方式不限于上述讨论到的方式，在具体的实施方式中具体设置即可。
弹性件148可呈直线型，弹性件148的直线型指的是弹性件148处于自然状态下的外观。固定件142、导轨146与导座144结合可将弹性件148的位置固定，使弹性件148按预设的方向(即导轨146的延伸方向)发生形变，以使第一滑动件1342与第二滑动件1344在导轨146的导向下发生相对移动。
在本申请实施方式中，弹性件148的形变方向与导轨146的滑动方向平行。如此，可保证第一滑动件1342和第二滑动件1344相对移动时，弯折机构10的平稳性较高。具体地，当弯折机构10由弯折状态切换至展平状态时，压缩状态的弹性件148产生的弹力作用于固定件142及导座144上，弹力再进一步传递到第一滑动件1342与第二滑动件1344上，使第一滑动件1342与第二滑动件1344发生相对移动。
请参阅图5与图15，在某些实施方式中，导轨146包括导杆1462及限位头1464，导杆1462穿设导座144，导杆1462的一个末端与固定件142固定连接，限位头1464连接在导杆1462的另一个末端，限位头1464用于与导座144相抵，以限制第一滑动件1342与第二滑动件1344相对远离移动的最大距离。导杆1462与限位头1464可为一体结构，或导杆1462与限位头1464为分体结构，如限位头1464与导杆1462可螺纹配合固定在一起，或限位头1464与导杆1462通过胶粘、焊接等方式固定设置。
具体地，弹性件148套设于导杆1462上，导座144可沿导杆1462滑动，导座144位于弹性件148与限位头1464之间。
当第一滑动件1342与第二滑动件1344之间相对靠近时，限位头1464与导座144相对远离，导座144 压缩弹性件148；当第一滑动件1342与第二滑动件1344相对远离时，限位头1464与导座144相对靠近，弹性件148逐渐伸展。并且限位头1464可防止第一滑动件1342与第二滑动件1344相互远离的过程中，导轨146与导座144相互脱离。限位头1464的至少一处的横截面积大于第一通孔1442的横截面积，以防止限位头1464从第一通孔1442穿过，确保限位头1464起到限位作用。
可以理解，第一滑动件1342与第二滑动件1344之间的最大距离小于限位头1464至固定件142的距离，另外，第一滑动件1342与第二滑动件1344之间的最大距离不大于导杆1462的长度。
在一个实施例中，导轨组件14可采用塑料或金属制成。即，导轨组件14中的所有元件均可采用塑料制成，或导轨组件14中的所有元件均可采用金属制成，或导轨组件14的部分元件采用金属制成、导轨组件14剩余的元件采用塑料制成。如此，导轨组件14的材料选择更多样化，可以满足更多的需求。
请参阅图8、图12与图13，在某些实施方式中，第一滑动件1342与第二滑动件1344相对的一侧形成有第一导向部134a，第二滑动件1344与第一滑动件1342相对的一侧形成有第二导向部134b，转轴组件11在展开状态时，第一导向部134a与第二导向部134b之间存在间隙，间隙的距离为L2。
请结合图5与图7，随着第一滑动件1342与第二滑动件1344的相对靠近或相对远离，第一导向部134a与第二导向部134b也可相对靠近或相对远离，第一导向部134a与第二导向部134b之间的间隙的距离L2也相对减小或增加。第一导向部134a与第二导向部134b可相互配合，并导向第一滑动件1342与第二滑动件1344的相对移动，使第一滑动件1342与第二滑动件1344的移动过程更为平稳。
请进一步参阅图8与图13，在某些实施方式中，第一导向部134a和第二导向部134b呈阶梯状，第一导向部134a与第二导向部134b互相咬合。
均呈阶梯状的第一导向部134a和第二导向部134b可较好的互相配合以起到较好的导向作用，第一滑动件1342与第二滑动件1344的结合处也更为稳定。当然，第一导向部134a和第二导向部134b不限于上述讨论到的阶梯状，可以如锯齿状、梳齿状等可互相咬合、卡合或嵌合的形状。
请参阅图5，在某些实施方式中，导轨组件14的数量为至少两个，至少两个导轨组件14连接在第一滑动件1342及第二滑动件1344的中轴线的两侧。
中轴线为图5中虚线V所示，至少两个导轨组件14可提供较佳的驱动力以及导向作用，保证第一滑动件1342与第二滑动件1344较稳定地滑动，第一滑动件1342与第二滑动件1344之间的位置关系也较为稳定。并且，第一滑动件1342与第二滑动件1344之间不易发生脱离或错位等影响第一滑动件1342与第二滑动件1344的移动配合，确保弯折机构10的正常弯折与展平，另外，在弯折机构10切换至弯折状态或展开状态时，第一滑动件1342和第二滑动件1344的移动更为平稳。
在本申请的实施方式中，导轨组件14为两个，每个导轨组件14均包括一个固定件142、一个导轨146、一个弹性件148与一个导座144，两个导轨组件14对称设置于第一滑动件1342与第二滑动件1344的中轴线两侧，第一滑动件1342与第二滑动件1344的位置关系也较为稳定。在一些实施方式中，导轨组件14可为1个，以简化弯折机构10的结构。在更多的实施方式中，导轨组件14可为多个，以使第一滑动件1342与第二滑动件1344之间的滑动连接关系更为稳定。
当然，每个导轨组件14的固定件142、导轨146、弹性件148与导座144的数量并不限于上述提到的数量，导轨组件14的数量也并不限于上述提到的数量，在保证弯折机构10的正常弯折与展平，以及第一滑动件1342与第二滑动件1344之间的滑动连接稳定性的前提下，在具体的实施方式中具体设置即可。
请参阅图5、图10与图11，在某些实施方式中，转轴组件11包括第二连接转轴112、第一连接转轴116与转向转轴结构114。壳体13包括第二部件132和第一部件134。第二连接转轴112与第一连接转轴116分别转动连接在转向转轴结构114相背两侧。滑轨组件12的数量为至少两个，至少两个滑轨组件12对称于垂直于转轴组件11的弯折线的方向设置，弯折线可以理解为与转轴组件11的两端延伸方向同一个方向的线，至少两个滑轨组件12对称设置于垂直于转轴组件11的弯折线的方向。滑轨组件12包括第二滑轨组件122和第一滑轨组件124，第二滑轨组件122连接第二连接转轴112与第二部件132，第一滑轨组件124连接第一连接转轴116与第一部件134。
具体的说，第二连接转轴112和第一连接转轴116分别与转向转轴结构114相互铰接。如此转轴组件11的结构关系简单，便于组装成结构关系相对简单的弯折机构10，进而易于形成柔性显示装置100，以降低生产成本与制造难度。
在一个例子中，壳体13采用金属或塑料制成。如此，壳体13的材料选择多样化并且易于获取，有利于降低弯折机构10的成本。同时，塑料或金属制成的壳体13具备一定的强度，有利于提高弯折机构10的强度与质量，进而提升柔性显示装置100的强度与质量。
请参阅图5、图10与图14，在某些实施方式中，第二滑轨组件122包括第二连接座1221、第二滑轨1222及第二滑座1223。第二连接座1221固定在第二连接转轴112且第二滑座1223固定在第二部件132，第二滑轨1222与第二滑座1223可滑动地连接，第二滑轨1222与第二连接座1221固定连接。
具体地，在本申请实施方式中，第二连接座1221上设有第一安装孔122e，采用螺钉螺固的方式，即使用螺钉穿设第一安装孔122e以将第二连接座1221固定设置于第二连接转轴112上。第二滑座1223上设有第二安装孔122f，采用螺钉螺固的方式，即使用螺钉穿设第二安装孔122f以将第二滑座1223固定设置于第二部件132。螺钉螺固的方式重复性高，便于拆卸组装，也具备较高的稳定性。
第二连接座1221还可通过焊接、胶粘或铆钉铆固等方式固定设置于第二连接转轴112上。第二滑座1223可通过焊接、胶粘或铆钉铆固等方式固定设置于第二部件132上。第二滑座1223上可设置第三通孔122d，第二滑轨1222对应穿设第三通孔122d以与第二滑座1223滑动地连接，第二滑轨1222可在第三通孔122d内做线性移动，使第二滑轨1222与第二滑座1223之间发生相对移动，以满足第二连接座1221与第二滑座1223在第二滑轨1222的导向下发生相对靠近移动或相对远离移动。第二连接座1221上可设置第二凹槽122g，第二滑轨1222的一端插设于第二凹槽122g内，并可通过焊接、胶粘、螺钉螺固或铆钉铆固等方式与第二连接座1221固定设置。并且，第二连接转轴112与第二部件132也在第二滑轨组件122的导向下相对靠近移动或相对远离移动。
请结合图11，第二连接转轴112对应第二连接座1221的部分设有第二安装槽1122，第二连接座1221嵌设于第二安装槽1122内，提高了第二连接转轴112的空间利用率，并确保第二连接转轴112表面的相对平整，便于后续柔性显示屏组件20的铺设。
请参阅图14，在本申请的实施例中，第二滑轨组件122包括平行设置的至少两个第二滑轨1222，至少两个第二滑轨1222用于导引转轴组件11与第二部件132的相对移动的方向。至少两个第二滑轨1222平行设置可确保第二滑轨1222在第二滑座1223内的滑动更为平稳顺畅，使转轴组件11与第二部件132之间的移动更为平稳顺畅。
可以理解，第二滑轨1222的数量可以多个，平行且间隔设置于第二滑座1223与第二连接座1221上。在更多的实施例中，第二滑轨1222的数量也可为1个。在本申请实施方式中，每个第二滑轨组件122的第二连接座1221与第二滑座1223均为1个，第二滑轨1222为2个。比如，第二滑轨1222可以为1个，以简化第二滑轨组件122的结构。或，第二滑轨1222为多个，使第二滑轨组件122导向第二部件132与第二连接转轴112的滑动更为稳定。对应地，第三通孔122d的数量以及第二凹槽122g的数量与第一滑轨1222的数量一致。
请进一步参阅图5与图14，在某些实施方式中，第二滑轨组件122还包括第二弹性件1224，第二弹性件1224套设在第二滑轨1222上，第二弹性件1224设置在第二连接座1221及第二滑座1223之间，并用于向第二连接座1221及第二滑座1223施加相对远离的弹力。
具体地，当弯折机构10由展平状态向弯折状态切换时，第二弹性件1224压缩，当弯折机构10由弯折状态向展平状态切换时，第二弹性件1224伸展。第二弹性件1224可在弯折机构10展平过程中提供推力，向第二连接座1221及第二滑座1223施加相对远离的弹力，以推动第二连接转轴112与第二部件132相对运动，使用户展平柔性显示装置100的过程更为顺畅，从而保持第二连接转轴112与第二部件132之间的移动相对平稳。第二弹性件1224在弯折机构10处于展平状态时可为自然状态(即不产生力的状态)或压缩状态。第二弹性件1224套设在第二滑轨1222上可节省弯折机构10的堆叠空间，提高弯折机构10的空间利用率，便于弯折机构10设置其余元件。
另外，第二弹性件1224的两端可分别与第二连接座1221、第二滑座1223固定设置，或第二弹性件1224的两端均不固定，或第二弹性件1224的一端不固定设置，第二弹性件1224的另一端与第二连接座1221或第二滑座1223固定设置。优选地，第二弹性件1224套设于第二滑轨1222上，并且两端均不固定，如此便于拆卸组装。当然，第二弹性件1224的设置方式不限于上述与讨论到的方式，在具体的实施方式中具体设置即可。
第二弹性件1224可呈直线型，第二弹性件1224的直线型指的是第二弹性件1224处于自然状态下的 外观。第二连接座1221、第二滑轨1222与第二滑座1223结合可将第二弹性件1224的位置固定，使第二弹性件1224按预设的方向即第二滑轨1222的延伸方向发生形变，以使第二连接转轴112与第二部件132在第二滑轨1222的导向下发生相对远离移动。第二弹性件1224与弹性件148可为同种类型的弹性元件，如弹簧、压簧等。
在本申请实施方式中，第二弹性件1224的形变方向与第二滑轨1222的滑动方向平行。如此，可保证第二连接转轴112和第二部件132相对移动时，弯折机构10的平稳性。具体地，当弯折机构10由弯折状态切换至展平状态时，压缩状态的第二弹性件1224产生的弹力作用于第二连接座1221及第二滑座1223上，弹力再进一步传递到第二连接转轴112与第二部件132上，使第二连接转轴112与第二部件132发生相对远离移动。
请参阅图5、图10与图14，在某些实施方式中，第二滑轨1222包括第二滑杆122a及第二限位部122b。第二滑杆122a穿设第二滑座1223，第二滑杆122a的一个末端与第二连接座1221固定连接，第二限位部122b连接在第二滑杆122a的另一个末端，第二限位部122b用于与第二滑座1223相抵，以限制第二连接转轴112与第二部件132相对远离移动的最大距离。第二滑杆122a与第二限位部122b可为一体结构，或第二滑杆122a与第二限位部122b为分体结构，如第二限位部122b与第二滑杆122a可螺纹配合固定在一起，或第二限位部122b与第二滑杆122a通过胶粘、焊接等方式固定设置。
具体地，第二弹性件1224套设于第二滑杆122a上，第二滑杆122a可在第二滑座1223内滑动，第二滑座1223位于第二弹性件1224与第二限位部122b之间。
当第二连接转轴112与第二部件132之间相对靠近时，第二限位部122b与第二滑座1223相对远离，第二滑座1223压缩第二弹性件1224；当第二连接转轴112与第二部件132相对远离时，第二限位部122b与第二滑座1223相对靠近，第二弹性件1224逐渐伸展直至自然状态(或仍可为压缩状态)。并且第二限位部122b可防止第二连接转轴112与第二部件132相互远离的过程中，第二滑杆122a与第二滑座1223相互脱离。第二限位部122b的至少一处的横截面积大于第三通孔122d的横截面积，以防止第二限位部122b从第三通孔122d穿过，确保第二限位部122b起到限位作用。
在一个实施例中，第二滑轨组件122可采用塑料或金属制成。即，第二滑轨组件122中的所有元件均可采用塑料制成，或第二滑轨组件122中的所有元件均可采用金属制成，或第二滑轨组件122的部分元件采用金属制成、第二滑轨组件122剩余的元件采用塑料制成。如此，第二滑轨组件122的材料选择更多样化，可以满足更多的需求。请参阅图5与图10，在某些实施方式中，第二滑轨组件122的数量为至少两个，至少两个第二滑轨组件122分别连接第二连接转轴112和第二部件132。对应的，第二连接转轴112朝向第二部件132的一侧均设置有至少两个第二安装槽1122。至少两个第二连接座1221分别嵌设于第二连接转轴112的至少两个第二安装槽1122中。
请参阅图5，在本申请的实施方式中，第二滑轨组件122为两个，两个第二滑轨组件122对称设置于第二连接转轴112与第二部件132的中轴线(V-V线)的两侧，如此，能够稳定地连接第二连接转轴112与第二部件132。在一些实施方式中，第二滑轨组件122可为1个，以简化弯折机构10的结构。在更多的实施方式中，第二滑轨组件122可为多个，以使第二连接转轴112与第二部件132之间的滑动连接关系更为稳定。
请参阅图5、图10与图14，在某些实施方式中，第一滑轨组件124包括第一连接座1241、第一滑轨1242及第一滑座1243，第一连接座1241固定在第一连接转轴116且第一滑座1243固定在第一部件134，第一滑轨1242与第一滑座1243可滑动地连接，第一滑轨1242与第一连接座1241固定连接。
具体地，在本申请实施方式中，第一连接座1241设有第三安装孔124e，采用螺钉螺固的方式，即使用螺钉穿设第三安装孔124e以将第一连接座1241固定设置于第一连接转轴116上；第二滑座上设有第四安装孔124f，采用螺钉螺固的方式，即使用螺钉穿设第四安装孔124f以将第一滑座1243固定设置于第一部件134。螺钉螺固的方式重复性高，便于拆卸组装，也具备较高的稳定性。第一连接座1241还可通过焊接、胶粘或铆钉铆固等方式固定设置于第一连接转轴116上。第一滑座1243还可通过焊接、胶粘或铆钉铆固等方式固定设置于第一部件134上。
第一滑座1243上可设置第二通孔124d，第一滑轨1242对应穿设第二通孔124d以与第一滑座1243滑动地连接，即第一滑座1243可沿第一滑轨1242移动，使第一滑轨1242与第一滑座1243之间发生相对移动，以满足第一连接座1241与第一滑座1243在第一滑轨1242的导向下发生相对靠近移动或相对远 离移动。第一连接座1241上可设置第三凹槽124g，第一滑轨1242的一端插设于第三凹槽124g内，并可通过焊接、胶粘、螺钉螺固或铆钉铆固等方式与第一连接座1241固定设置。并且，第一连接转轴116与第一部件134在第一滑轨组件124的导向下相对靠近移动或相对远离移动。
请结合图11，第一连接转轴116对应第一连接座1241的部分设有第一安装槽1162，第一连接座1241嵌设于第一安装槽1162内，提高了第一连接转轴116的空间利用率，并确保第一连接转轴116表面的相对平整，便于后续柔性显示屏组件20的铺设。
请参阅图14，在本申请的实施例中，第一滑轨组件124包括平行设置的至少两个第一滑轨1242，至少两个第一滑轨1242用于导引转轴组件11与第一部件134(第一滑动件1342)的相对移动的方向。
至少两个第一滑轨1242平行设置可确保第一滑轨1242在第一滑座1243内的滑动更为平稳顺畅，使转轴组件11与第一部件134之间的移动更为平稳顺畅。可以理解，在更多的实施方式中，第一滑轨1242的数量可以为多个，多个第一滑轨1242可以平行且间隔设置于第一滑座1243与第一连接座1241上。在其他的实施方式中，第一滑轨1242的数量也可为1个。
可以理解，参考上述第二滑轨组件122与第一滑轨组件124的设置，在某些实施方式中，滑轨组件12包括平行设置的至少两个滑轨(如至少两个第二滑轨1222、至少两个第一滑轨1242)，至少两个滑轨(至少两个第二滑轨1222、至少两个第一滑轨1242)可用于导引转轴组件11与壳体13相对移动的方向。转轴组件11与壳体13相对移动由平行设置的至少两个滑轨导向，转轴组件11与壳体13之间的滑动平稳性高。
在本申请实施方式中，每个第一滑轨组件124的第一连接座1241与第一滑座1243均为1个，第一滑轨1242为2个。比如，第一滑轨1242可以为1个，以简化第一滑轨组件124的结构。或，第一滑轨1242为多个，使得在第一滑轨组件124的导向作用下，第一部件134与第一连接转轴116之间的相对滑动更为稳定。
请进一步参阅图5与图14，第一部件134包括第一滑动件1342及第二滑动件1344，第一滑轨组件124还包括第一弹性件1244，第一弹性件1244套设在第一滑轨1242上，第一弹性件1244设置在第一连接座1241及第一滑座1243之间，并用于向第一连接座1241及第一滑座1243施加相对远离的弹力。
具体地，当弯折机构10由展平状态向弯折状态切换时，第一弹性件1244压缩，当弯折机构10由弯折状态向展平状态切换时，第一弹性件1244伸展。第一弹性件1244可在弯折机构10展平过程中提供推力，向第一连接座1241及第一滑座1243施加相对远离的弹力，以推动第一连接转轴116与第一部件134相对运动，使用户展平柔性显示装置100的过程顺畅，从而保持第一连接转轴116与第一部件134之间的移动相对平稳。第一弹性件1244在弯折机构10处于展平状态时可为自然状态(即不产生力的状态)或压缩状态。第一滑座1243设置于第一滑动件1342上。第一弹性件1244套设在第一滑轨1242上可节省弯折机构10的堆叠空间，提高弯折机构10的空间利用率，便于弯折机构10设置其余元件。
另外，第一弹性件1244的两端可分别与第一连接座1241、第一滑座1243固定设置，或第一弹性件1244的两端均不固定，或第一弹性件1244的一端不固定设置，第一弹性件1244的另一端与第一连接座1241或第一滑座1243固定设置。优选地，第一弹性件1244套设于第一滑轨1242上，并且两端均不固定，如此便于拆卸组装。当然，第一弹性件1244的设置方式不限于上述与讨论到的方式，在具体的实施方式中具体设置即可。
第一弹性件1244可呈直线型，第一弹性件1244的直线型指的是第一弹性件1244处于自然状态下的外观。第一连接座1241、第一滑轨1242与第一滑座1243结合可将第一弹性件1244的位置固定，使第一弹性件1244按预设的方向即第一滑轨1242的延伸方向发生形变，以使第一连接转轴116与第一部件134在第一滑轨1242的导向下发生相对远离移动。第二弹性件1224、第一弹性件1244与弹性件148可为同种类型的弹性元件，如弹簧、压簧等。
在本申请实施方式中，第一弹性件1244的形变方向与第一滑轨1242的滑动方向平行。如此，可保证第一连接转轴116和第一部件134相对移动时弯折机构10的平稳性。具体地，当弯折机构10由弯折状态切换至展平状态时，压缩状态的第一弹性件1244产生的弹力作用于第一连接座1241及第一滑座1243上，弹力再进一步传递到第一连接转轴116与第一滑动件1342上，使第一连接转轴116与第一滑动件1342发生相对远离移动。
请参阅图5、图10与图14，在某些实施方式中，第一滑轨1242包括第一滑杆124a及第一限位部124b。 第一滑杆124a穿设第一滑座1243，第一滑杆124a的一个末端与第一连接座1241固定连接，第一限位部124b连接在第一滑杆124a的另一个末端，第一限位部124b用于与第一滑座1243相抵，以限制第一连接转轴116与第一滑动件1342相对远离移动的最大距离。第一滑杆124a与第一限位部124b可为一体结构，或第一滑杆124a与第一限位部124b为分体结构，如第一限位部124b与第一滑杆124a可螺纹配合固定在一起，或第一限位部124b与第一滑杆124a通过胶粘、焊接等方式固定设置。
具体地，第一弹性件1244套设于第一滑杆124a上，第一滑杆124a可在第一滑座1243内滑动，第一滑座1243位于第一弹性件1244与第一限位部124b之间。
当第一连接转轴116与第一滑动件1342之间相对靠近时，第一限位部124b与第一滑座1243相对远离，第一滑座1243压缩第一弹性件1244；当第一连接转轴116与第一滑动件1342相对远离时，第一限位部124b与第一滑座1243相对靠近，第一弹性件1244逐渐伸展直至自然状态(或可仍为压缩状态)。并且第一限位部124b可防止第一连接转轴116与第一滑动件1342相互远离的过程中，第一滑杆124a与第一滑座1243相互脱离。第一限位部124b的至少一处的横截面积大于第二通孔124d的横截面积，以防止第一限位部124b从第二通孔124d穿过，确保第一限位部124b起到限位作用。
在一个实施例中，第一滑轨组件124可采用塑料或金属制成。即，第一滑轨组件124中的所有元件均可采用塑料制成，或第一滑轨组件124中的所有元件均可采用金属制成，或第一滑轨组件124的部分元件采用金属制成、第一滑轨组件124剩余的元件采用塑料制成。如此，第一滑轨组件124的材料选择更多样化，可以满足更多的需求。
请参阅图6、图8与图9，在某些实施方式中，第二滑动件1344包括底板134e与自底板134e垂直延伸的侧板134f，侧板134f形成有导槽134g，第一滑座1243靠近第二滑动件1344的一侧形成有导块124c，导块124c嵌设于导槽134g内并可在导槽134g内滑动，以使第一部件134与第一滑轨组件124相对滑动。导槽134g的长度大于第一滑动件1342与第二滑动件1344之间的最大距离L2。
导槽134g形成于侧板134f上有利于与形成在第一滑座1243上的导块124c配合，导块124c嵌设于导槽134g内可降低弯折机构10的堆叠空间，提高了弯折机构10的空间利用率，有利于弯折机构10以及柔性显示装置100其余元件的设置，并且导块124c与导槽134g的滑动配合有着较好的稳定性。
更多地，导槽134g可形成于第二滑动件1344的中轴线两侧的侧板134f上，导槽134g的数量可与第一滑座1243的数量一致，以使第二滑动件1344的两侧都受到来自第一滑座1243与导槽134g配合的导向作用，使第二滑动件1344的滑动更为平稳顺畅。
请参阅图5与图10，在某些实施方式中，第一滑轨组件124的数量为至少两个，至少两个第一滑轨组件124分别连接第一连接转轴116与第二滑动件1344。对应的，第一连接转轴116朝向第二滑动件1344的一侧均至少设有两个第一安装槽1162。
至少两个第一连接座1241分别嵌设于第一连接转轴116的至少两个第一安装槽1162中。请参阅图5，在本申请的实施方式中，第一滑轨组件124为两个，两个第一滑轨组件124对称设置于第一连接转轴116与第一滑动件1342的中轴线(V-V线)的两侧，如此，能够较稳定第连接第一连接转轴116与第一滑动件1342。在一些实施方式中，第一滑轨组件124可为1个，以简化弯折机构10的结构。在更多的实施方式中，第一滑轨组件124可为多个，以使第一连接转轴116与第一滑动件1342之间的滑动连接关系更为稳定。
请参阅图4与图5，在某些实施方式中，弯折机构10还包括第二覆盖件15与第一覆盖件16。第二覆盖件15与第二部件132形成第二容置空间(图未示)。第一覆盖件16与第一部件134结合并形成第一容置空间(图未示)。第二滑座1223及第二滑轨1222收容于第二容置空间内。第一滑座1243、第一滑轨1242及导轨组件14收容于第一容置空间内。第二容置空间与第一容置空间还可以用于收容弯折机构10以及柔性显示装置100的其余元件。第二覆盖件15与第二部件132的结合可保护第二滑轨组件122等内部结构、第一覆盖件16与第一部件134的结合可保护第一滑轨组件124、导轨组件14等内部结构，避免内部结构被水汽杂质等影响，并且柔性显示装置100的内部结构不会被用户看到，保证了柔性显示装置100的整体性及美观性。
请参阅图10与图11，在某些实施方式中，转向转轴结构114包括第一转轴1142、第二转轴1144与第三转轴1146，第一转轴1142与第三转轴1146分别转动连接在第二转轴1144相背的两侧，第一转轴1142用于连接第二连接转轴112与第二转轴1144，第三转轴1146用于连接第一连接转轴116与第二转 轴1144。
具体地说，第一转轴1142、第二转轴1144与第三转轴1146相互铰接，如此，第一转轴1142、第二转轴1144与第三转轴1146的多转轴组合可满足的弯折机构10以及柔性显示装置100的弯折角度要求。并且，第一转轴1142、第二转轴1144与第三转轴1146的内部可镂空设置，可降低转向转轴结构114的整体重量，有利于实现弯折机构10以及柔性显示装置100的轻薄化，便于用户携带和使用。
当然，转向转轴结构114的具体实施方式并不限于上述讨论的实施方式，而可根据需求设置。在更多的实施方式中，可采用更少数量或更多的转轴，可以理解，更少的转轴可使转向转轴结构114的结构相对简单，降低生产成本以及组装拆卸的复杂度；更多的转轴可使转向转轴结构114的弯折角度更多样化，以提升弯折机构10的弯折角度与弯折形态的变化，进一步的使柔性显示装置100的弯折更为多样化。
更多地，第二连接转轴112、第一连接转轴116与转向转轴结构114的内部镂空设计，如此转轴组件11既具备一定的强度，还可降低转轴组件11的整体重量，有利于实现弯折机构10以及柔性显示装置100的轻薄化，便于用户携带和使用。
在本申请实施方式中，第二连接转轴112、转向转轴结构114与第一连接转轴116同步转动。
如此，可保证弯折机构10的弯折过程与展平过程流畅平缓，进而使柔性显示装置100的展平过程和弯折过程流畅，提升用户体验。另外，可以通过在第二连接转轴112、第一连接转轴116与转向转轴结构114连接处设置反转限制结构(图未示)，从而可以避免转轴组件11反向转动，例如可以避免转轴组件11、弯折机构10或柔性显示装置100在完全展开或者说0度的状态下继续往展开方向弯折，从而避免误操作损坏弯折机构10。
请参阅图10，在本申请实施方式中，转轴组件11在处于展开状态时的平面形状大致呈矩形。
如此，转轴组件11的形状规整，方便形成形状规整的弯折机构10，从而方便弯折机构10支撑形状规整的柔性显示屏组件20，进而形成形状规整的柔性显示装置100。当然，转轴组件11的形状并不限制上面讨论的实施方式，而可以在其他实施方式中根据需求设置。
请参阅图8、图10与图11，在某些实施方式中，壳体13包括与转轴组件11相对的第一侧部136，转轴组件11包括与壳体13相对的第二侧部118，第一侧部136形成有第一导向结构1362，第二侧部118开设有第二导向结构1182，第一导向结构1362与第二导向结构1182配合连接并导向壳体13与转轴组件11的相对移动。
具体的说，当弯折机构10处于展平状态时，第一导向结构1362与第二导向结构1182之间的距离为最大值，此时第一导向结构1362与第二导向结构1182可部分嵌合，便于导向转轴组件11弯折时与壳体13的移动。当弯折机构10由展平状态向弯折状态转换时，第一导向结构1362与第二导向结构1182相互靠近并且可进一步的嵌合，以进一步的导向壳体13与转轴组件11的相对移动。第一导向结构1362与第二导向结构1182均可包括多个凸起，多个凸起之间相互错位，相互配合。更多地，第一导向结构1362和第二导向结构1182均呈可互相卡合连接的梳齿状结构，且第一导向结构1362和第二导向结构1182之间可相对移动，梳齿相嵌卡合有较好的导向效果，壳体13与转轴组件11之间的相对移动也较为平缓，不易发生偏移。
更多地，第一导向结构1362设置于第二部件132与第一滑动件1342上，第二导向结构1182设置于第二连接转轴112与第一连接转轴116面对壳体13的侧面上。第一导向结构1362与第二导向结构1182之间的配合，为第二部件132与第二连接转轴112之间的相对滑动提供导向作用，以及为第一滑动件1342与第一连接转轴116之间的相对滑动提供导向作用。
请结合图10至图12，第一导向结构1362包括嵌合部136a，第二导向结构1182包括有与嵌合部136a嵌合配合的嵌合件118a，具体的，嵌合部136a为向转轴组件11方向延伸的第一凸块136b，第一凸块136b上开设有第一容置槽136c，嵌合件118a为向背离壳体13方向内凹并与第一凸块136b相对应的第二容置槽118b，第二容置槽118b内凸设有向壳体13方向延伸并与第一容置槽136c对应的第二凸块118c。当弯折机构10处于弯折状态时，第一凸块136b与第二容置槽118b相匹配，第一容置槽136c与第二凸块118c相匹配。如此，第一导向结构1362与第二连接转轴112之间的嵌合导向，以及第二导向结构1182与第一连接转轴116之间的嵌合导向更为稳定。即第二部件132与转轴组件11的导向，以及第一部件134与转轴组件11的导向更为稳定。同时，弯折机构10的结构也更为稳定，使弯折机构10的弯折过程与展平过程也更为平缓顺畅。
请参阅图1至图4，本申请实施方式的柔性显示装置100包括上述任意一项实施方式的弯折机构10和设置在弯折机构10上的柔性显示屏组件20。
本申请实施方式柔性显示装置100在弯折机构10弯折时，通过转轴组件11与第一滑动件1342在滑轨组件12的导向下相对靠近移动，以及第一滑动件1342与第二滑动件1344在导轨组件14的导向下相对靠近移动，并结合转轴组件11与第一板131之间的相对移动来抵消转轴组件11弯折时在弯折处弧长的变化，从而避免了对安装在弯折机构10上的柔性显示屏24拉伸破坏，保证了柔性显示屏24的使用寿命。同时，也可使转轴组件11在展开状态时，柔性显示屏24能够平铺。
柔性显示装置100在完全展平时外轮廓大致呈矩形或圆角矩形，如此较为符合用户的使用习惯，并具备较好的显示面积。当然，柔性显示装置100在完全展平时的外轮廓大致呈矩形或圆角矩形，仅为示例性的，不应理解为对本申请的限制。
请参阅图4，在某些实施方式中，柔性显示屏组件20包括柔性支撑件22和柔性显示屏24。柔性支撑件22与第一滑动件1342固定连接，柔性显示屏24贴合在柔性支撑件22与第一滑动件1342相背的一面上。
具体地，柔性支撑件22包括第一非弯折区222、第二非弯折区226、以及连接第一非弯折区222与第二非弯折区226的第一弯折区224。
第一非弯折区222、第二非弯折区226以及弯折区224可分段贴合于壳体13上，柔性显示屏24可分段贴合于柔性支撑件22与第一部件134上。第一非弯折区222与第二部件132对应固定贴合，第二非弯折区226与第一滑动件1342对应固定贴合，弯折区224滑动贴合于转轴组件11。柔性显示屏24与第一非弯折区222、第二滑动件1344固定贴合，与第二非弯折区226及弯折区224滑动贴合。第二部件132、柔性支撑件22与柔性显示屏24可同时相对转轴组件11滑动。柔性显示屏24与弯折区224不完全贴合，当转轴组件11弯折时，不完全贴合在弯折区224上的部分柔性显示屏24可以相对于柔性支撑件22滑动，减小柔性显示屏24被拉伸破坏的风险。第二非弯折区226与第一滑动件1342贴合并可相对转轴组件11滑动。柔性显示屏24延伸至第一部件134的部分与第二滑动件1344贴合并可相对第一滑动件1342滑动。
当转动转轴组件11时，柔性支撑件22带动第一滑动件1342与第二部件132相向移动，以满足弯折机构10在弯折与展平状态下的长度一致。同时柔性显示屏组件20与转轴组件11存在半径差，因此需要第二滑动件1344的滑动以产生弯折所需要的长度变化，避免柔性显示屏24被拉伸破坏。柔性支撑件22与柔性显示屏24贴合可以让柔性支撑件22更好的支撑柔性显示屏24。
柔性支撑件22、柔性显示屏24、第二部件132、第一滑动件1342与第二滑动件1344等结构，可采用光学胶、双面胶层等具备一定粘合能力的介质将上述结构所对应的部分贴合至一起，既具备较好的固定能力，也可确保柔性显示装置100的轻薄化与整体性。
在某些实施方式中，柔性支撑件22采用钛合金、不锈钢、碳纤维复合材料或凯夫拉制成。
以上材料强度高、刚性好、密度小、质量轻、热强度高、抗蚀性好，作为柔性支撑件22的材料比较适宜。
在某些实施方式中，柔性显示屏24包括OLED显示屏。
OLED显示屏同时具备自发光有机电激发光二极管，有着不需背光源、对比度高、厚度薄、视角广、反应速度快等优点，而且可用于挠曲性面板、使用温度范围广、构造及制程较简单。
在本说明书的描述中，参考术语“一个实施方式”、“某些实施方式”、“示意性实施方式”、“示例”、“具体示例”、或“一些示例”等的描述意指结合所述实施方式或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施方式或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施方式或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施方式或示例中以合适的方式结合。
尽管已经示出和描述了本申请的实施方式，本领域的普通技术人员可以理解：在不脱离本申请的原理和宗旨的情况下可以对这些实施方式进行多种变化、修改、替换和变型，本申请的范围由权利要求及其等同物限定。

Claims (36)

  1. 一种弯折机构，其特征在于，包括：
    壳体，所述壳体包括第一部件及第二部件，所述第一部件包括第一滑动件及第二滑动件；及
    转轴组件，所述转轴组件连接于所述第一部件与所述第二部件之间，所述第一部件可通过所述转轴组件相对所述第二部件旋转，所述第一滑动件活动连接于所述转轴组件与所述第二滑动件之间；
    当所述转轴组件弯折时，所述第一滑动件与所述转轴组件之间的第一距离以及所述第二滑动件与所述第一滑动件之间的第二距离发生变化。
  2. 根据权利要求1所述的弯折机构，其特征在于，所述弯折机构弯折时，所述第一滑动件朝向所述转轴组件靠近。
  3. 根据权利要求1所述的弯折机构，其特征在于，所述弯折机构弯折时，所述第二滑动件朝向所述转轴组件靠近。
  4. 根据权利要求1所述的弯折机构，其特征在于，所述弯折机构弯折时，所述第一滑动件与所述第二滑动件之间的第二距离减小。
  5. 根据权利要求1所述的弯折机构，其特征在于，所述第一滑动件与所述转轴组件弹性连接，所述第二滑动件与所述第一滑动件弹性连接。
  6. 根据权利要求1所述的弯折机构，其特征在于，所述弯折机构还包括柔性支撑件，所述柔性支撑件包括固定于所述第二部件的第一非弯折区，及固定于所述第一滑动件的第二非弯折区。
  7. 根据权利要求6所述的弯折机构，其特征在于，所述第二非弯折区与所述第一非弯折区分别位于所述柔性支撑件的相对两端，所述柔性支撑件还包括位于所述第二非弯折区与所述第一非弯折区之间的弯折区，所述弯折区滑动贴合于所述转轴组件。
  8. 根据权利要求6所述的弯折机构，其特征在于，所述第二非弯折区的面积小于所述第一非弯折区的面积。
  9. 根据权利要求1所述的弯折机构，其特征在于，所述第二部件活动连接于所述转轴组件，所述转轴组件弯折时所述第二部件与所述转轴组件之间的距离发生变化。
  10. 根据权利要求1所述的弯折机构，其特征在于，所述转轴组件处于展开状态时，第一距离大于第二距离。
  11. 根据权利要求1所述的弯折机构，其特征在于，所述弯折结构还包括导轨组件，所述导轨组件用于滑动连接所述第一滑动件及所述第二滑动件,所述弯折机构折叠时所述第一部件和所述第二部件相互靠近，所述弯折机构展开时所述第一部件和所述第二部件相互远离；
    当所述弯折机构从展开状态向折叠状态切换时，所述第一滑动件与所述第二滑动件能够在所述导轨组件的导向下相对靠近移动；
    当所述弯折机构从折叠状态向展开状态切换时，所述第一滑动件与所述第二滑动件能够在所述导轨组件的导向下相对远离移动。
  12. 根据权利要求11所述的弯折机构，其特征在于，所述导轨组件包括固定件、导座及导轨，所述固定件固定在所述第一滑动件上，所述导座固定在所述第二滑动件上，所述导轨与所述导座滑动地连接，所述导轨与所述固定件固定连接。
  13. 根据权利要求12所述的弯折机构，其特征在于，所述导轨组件还包括弹性件，所述弹性件设置在所述固定件与所述导座之间。
  14. 根据权利要求13所述的弯折机构，其特征在于，当所述第一滑动件与所述第二滑动件相对靠近移动时，所述弹性件逐渐压缩；
    当所述第一滑动件与所述第二滑动件相对远离移动时，所述弹性件逐渐伸展。
  15. 根据权利要求12所述的弯折机构，其特征在于，所述导轨包括导杆及限位头，所述导座形成有第一通孔，所述导杆从所述第一通孔穿设所述导座，所述导杆的一个末端与所述固定件固定连接，所述限位头设置于所述导杆的另一个末端上，所述导座可在所述限位头和所述固定件之间的所述导杆上滑动。
  16. 根据权利要求15所述的弯折机构，其特征在于，所述弯折机构在展开状态时，所述第一滑动件与所述第二滑动件之间的距离最大，所述导杆的长度大于所述第一滑动件与所述第二滑动件之间的最大 距离。
  17. 根据权利要求1所述的弯折机构，其特征在于，所述第一滑动件与所述第二滑动件相对的一侧形成有第一导向部，所述第二滑动件与所述第一滑动件相对的一侧形成有第二导向部，所述弯折机构在展开状态时，所述第一导向部与所述第二导向部之间存在间隙；所述弯折机构在折叠状态时，所述第一导向部与所述第二导向部相互配合。
  18. 根据权利要求17所述的弯折机构，其特征在于，所述第一导向部呈阶梯状，所述第二导向部呈倒阶梯状，所述弯折机构在折叠状态时，所述第一导向部与所述第二导向部互相咬合。
  19. 根据权利要求11所述的弯折机构，其特征在于，所述导轨组件的数量为至少两个，所述导轨组件对称设置于所述第一滑动件及所述第二滑动件的中轴线的两侧。
  20. 根据权利要求1所述的弯折机构，其特征在于，所述弯折机构还包括第一滑轨组件，所述第一滑轨组件连接所述第一滑动件与所述转轴组件；
    当所述弯折机构从展开状态向折叠状态切换时，所述第一滑动件与所述转轴组件能够在所述第一滑轨组件的导向下相对靠近移动；
    当所述弯折机构从折叠状态向展开状态切换时，所述第一滑动件与所述转轴组件能够在所述第一滑轨组件的导向下相对远离移动。
  21. 根据权利要求20所述的弯折机构，其特征在于，所述第一滑轨组件包括第一连接座、第一滑轨及第一滑座，所述第一连接座固定于所述转轴组件，所述第一滑座固定于所述第一滑动件，所述第一滑轨与所述第一滑座可滑动地连接，所述第一滑轨与所述第一连接座固定连接。
  22. 根据权利要21所述的弯折机构，其特征在于，所述第一滑轨组件还包括第一弹性件，所述第一弹性件设置在所述第一连接座及所述第一滑座之间。
  23. 根据权利要求22所述弯折机构，其特征在于，所述第一滑轨包括第一滑杆及第一限位部，所述第一滑座形成有第二通孔，所述第一滑杆从所述第二通孔穿设所述第一滑座，所述第一滑杆的一个末端与所述第一连接座固定连接，所述第一滑座可在所述第一限位部与所述第一连接座之间的所述第一滑杆上滑动。
  24. 根据权利要求23所述的弯折机构，其特征在于，所述第一滑杆、所述第一通孔与所述第一弹性件的数量相同。
  25. 根据权利要求20所述的弯折机构，其特征在于，所述第一部件包括底壁与自所述底壁延伸的侧壁，所述侧壁形成有导槽，所述第一滑座靠近所述导槽的一侧形成有导块，所述导块嵌设于所述导槽并可在所述导槽内滑动，以使所述第二滑动件与所述第一滑轨组件相对滑动。
  26. 根据权利要求21所述的弯折机构，其特征在于，所述弯折机构还包括第二滑轨组件，所述第二滑轨组件连接所述第二部件与所述转轴组件；
    当所述弯折机构从所述展开状态向所述折叠状态切换时，所述第二部件与所述转轴组件能够在所述第二滑轨组件的导向下相对靠近移动；
    当所述弯折机构从所述折叠状态向所述展开状态切换时，所述第二部件与所述转轴组件能够在所述第二滑轨组件的导向下相对远离移动。
  27. 根据权利要求26所述的弯折机构，其特征在于，所述第二滑轨组件包括第二连接座、第二滑轨及第二滑座，所述第二连接座固定于所述第二连接转轴，所述第二滑座固定于所述第二部件，所述第二滑轨与所述第二滑座可滑动地连接，所述第二滑轨与所述第二连接座固定连接。
  28. 根据权利要求27所述的弯折机构，其特征在于，所述转轴组件包括第一连接转轴、第二连接转轴与转向转轴结构，所述第一连接转轴与所述第二连接转轴分别转动连接在所述转向转轴结构相背两侧。
  29. 根据权利要求28所述的弯折机构，其特征在于，所述第一连接转轴设有第一安装槽，所述第二连接转轴设有第二安装槽，所述第一连接座嵌设于所述第一安装槽内，所述第二连接座嵌设于所述第二安装槽内。
  30. 根据权利要求28所述的弯折机构，其特征在于，所述第一滑轨组件的数量为至少两个，至少两个所述第一滑轨组件分别连接在所述第一连接转轴的两端。
  31. 根据权利要求28所述的弯折机构，其特征在于，所述第二滑轨组件的数量为至少两个，至少两个所述第二滑轨组件分别连接在所述第二连接转轴的两端。
  32. 根据权利要求27所述的弯折机构，其特征在于，所述弯折机构还包括第一覆盖件与第二覆盖件，所述第一覆盖件与所述第一部件结合并形成第一容置空间，所述第一滑座及所述第一滑轨位于所述第一容置空间内；所述第二覆盖件与所述第二部件结合并形成第二容置空间，所述第二滑座、所述第二滑轨及所述导轨组件位于所述第二容置空间内。
  33. 根据权利要求1所述的弯折机构，其特征在于，所述壳体包括与所述转轴组件相对的第一侧部，所述转轴组件包括与所述壳体相对的第二侧部，所述第一侧部形成有第一导向结构，所述第二侧部开设有第二导向结构，所述第一导向结构与所述第二导向结构配合连接并导向所述壳体与所述转轴组件的相对移动。
  34. 根据权利要求33所述的弯折机构，其特征在于，所述第二导向结构包括嵌合件，所述第一导向结构包括嵌合部，所述嵌合件可与所述嵌合部配合并收容于所述嵌合部内。
  35. 一种柔性显示装置，其特征在于，包括：
    权利要求1至34任意一项所述的弯折机构；和
    柔性显示屏，所述柔性显示屏设置在所述弯折机构上，所述柔性显示屏的相对两端分别固定于所述第二部件及所述第二滑动件。
  36. 根据权利要求35所述的柔性显示装置，其特征在于，所述弯折机构还包括柔性支撑件，所述柔性支撑件包括固定于所述第二部件的第一非弯折区，及固定于所述第一滑动件的第二非弯折区，所述柔性支撑件还包括位于所述第二非弯折区与所述第一非弯折区之间的弯折区，所述柔性显示屏位于相对两端之间的区域滑动贴合于所述第二非弯折区及所述弯折区。
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