CN215265374U

CN215265374U - Flexible display device and electronic apparatus

Info

Publication number: CN215265374U
Application number: CN202120604388.1U
Authority: CN
Inventors: 符勇
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-12-21
Anticipated expiration: 2031-03-24

Abstract

The present application provides a flexible display device, comprising: a flexible screen, a fixed component, a telescopic component and a rotating shaft component; the fixed component surrounds a accommodating cavity; the telescopic component is accommodated in the accommodating cavity; the rotating shaft component part accommodated in the accommodating cavity; wherein, the surface of the support member away from the telescopic assembly is a curved surface, the part of the rotating shaft assembly exposed to the curved surface is in contact with the flexible screen, and the flexible screen covers the the telescopic assembly and the curved surface. In the flexible display device provided by the embodiments of the present application, the surface of the support member of the fixed component facing away from the telescopic component is set to a curved surface, and the flexible screen is covered on the curved surface and the telescopic component, so that the flexible screen can be extended smoothly or retracted into the accommodating cavity. In addition, the rotating shaft assembly is exposed on the curved surface portion of the support so as to be in contact with the flexible screen, so as to prevent the flexible screen from being stuck during movement.

Description

Flexible display device and electronic apparatus

Technical Field

The application relates to the technical field of electronic equipment structures, in particular to a flexible display device and electronic equipment.

Background

The flexible screen, i.e., the flexible OLED (Organic Light-Emitting Diode) screen, has the characteristics of being bendable at will, being Light and thin in material, saving power, and the like, and with the development of the flexible screen technology, the flexible screen device is pushed to become the mainstream of screen display in the future.

In order to realize the variability of the display area of the flexible screen, electronic equipment (a mobile phone, a tablet computer, a notebook computer, wearable equipment, etc.) with a flexible screen which is retractable or foldable is adopted in the related art, however, the flexible screen is easy to cause a stuck phenomenon in the retractable process, and then the flexible screen is damaged or the service life of the flexible screen is reduced.

SUMMERY OF THE UTILITY MODEL

An aspect of an embodiment of the present application provides a flexible display device, including: the flexible screen, the fixed component, the telescopic component and the rotating shaft component are arranged on the flexible screen; the fixing assembly comprises a first fixing piece, a second fixing piece and a supporting piece, wherein the first fixing piece and the second fixing piece are arranged oppositely, and the supporting piece is arranged between the first fixing piece and the second fixing piece; the first fixing piece, the second fixing piece and the supporting piece are arranged in an enclosing mode to form an accommodating cavity; the telescopic assembly is accommodated in the accommodating cavity and is configured to extend out of or retract into the accommodating cavity; the rotating shaft assembly part is accommodated in the accommodating cavity; the surface of the support piece, which is far away from the telescopic assembly, is arranged in a curved surface mode, and the curved surface of the support piece exposes part of the rotating shaft assembly; the part of the rotating shaft component, which is exposed out of the curved surface, is in contact with the flexible screen, and the flexible screen covers the telescopic component and the curved surface.

Another aspect of the embodiments of the present application further provides an electronic device, including: the flexible screen, the shell, the fixing component, the telescopic component and the rotating shaft component are arranged on the shell; the shell is provided with an accommodating space; the fixing assembly is arranged in the accommodating space and comprises a first fixing piece, a second fixing piece and a supporting piece, wherein the first fixing piece and the second fixing piece are arranged oppositely, and the supporting piece is arranged between the first fixing piece and the second fixing piece; the first fixing piece, the second fixing piece and the supporting piece are arranged in an enclosing mode to form an accommodating cavity; the telescopic assembly is accommodated in the accommodating cavity and is configured to extend out of or retract into the accommodating space; the rotating shaft assembly part is accommodated in the accommodating cavity; the surface of the support piece, which is far away from the telescopic assembly, is arranged in a curved surface mode, and the curved surface of the support piece exposes part of the rotating shaft assembly; the part of the rotating shaft component, which is exposed out of the curved surface, is in contact with the flexible screen, and the flexible screen covers the telescopic component and the curved surface.

The flexible display device and the electronic equipment provided by the embodiment of the application set the surface of the support piece of the fixing component deviating from the telescopic component into the curved surface, and cover the flexible screen on the curved surface and the telescopic component, so that the flexible screen can stretch out smoothly or retract into the accommodating cavity. And the rotating shaft assembly is exposed out of the curved surface part of the supporting piece to be in contact with the flexible screen, so that the phenomenon of blocking of the flexible screen in the movement process is avoided.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of a flexible screen of an electronic device of some embodiments of the present application when collapsed;

FIG. 2 is a schematic diagram of the electronic device in FIG. 1 with a split structure;

fig. 3 is a schematic structural disassembly diagram of the flexible display device in the embodiment of fig. 2;

FIG. 4 is a schematic cross-sectional view taken along A-A of the electronic device in the embodiment of FIG. 1;

FIG. 5 is a schematic cross-sectional view of the electronic device of FIG. 1 when the flexible screen is unfolded;

FIG. 6 is a schematic structural view of a retaining assembly according to some embodiments of the present application;

FIG. 7 is a schematic cross-sectional view taken along line B-B of the fastening assembly of the embodiment of FIG. 6;

FIG. 8 is an enlarged view of a portion of the structure of the region C in the embodiment of FIG. 7;

FIG. 9 is a schematic structural view of the rotary shaft assembly in the embodiment of FIG. 6;

FIG. 10 is a schematic view of the support member of the embodiment of FIG. 6, shown in a disassembled configuration;

FIG. 11 is a schematic view of the support member and the shaft assembly of the embodiment of FIG. 10 in cooperation;

FIG. 12 is a schematic illustration of the telescoping assembly deployed in some embodiments of the present application;

fig. 13 is a schematic structural component diagram of a mobile terminal device in other embodiments of the present application.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be noted that the following examples are only illustrative of the present application, and do not limit the scope of the present application. Likewise, the following examples are only some examples and not all examples of the present application, and all other examples obtained by a person of ordinary skill in the art without any inventive work are within the scope of the present application.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

As used herein, an "electronic device" (or simply "terminal") includes, but is not limited to, an apparatus that is configured to receive/transmit communication signals via a wireline connection, such as via a Public Switched Telephone Network (PSTN), a Digital Subscriber Line (DSL), a digital cable, a direct cable connection, and/or another data connection/network, and/or via a wireless interface (e.g., for a cellular network, a Wireless Local Area Network (WLAN), a digital television network such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter, and/or another communication terminal). A communication terminal arranged to communicate over a wireless interface may be referred to as a "wireless communication terminal", "wireless terminal" or "mobile terminal". Examples of mobile terminals include, but are not limited to, satellite or cellular telephones; a Personal Communications System (PCS) terminal that may combine a cellular radiotelephone with data processing, facsimile and data communications capabilities; PDAs that may include radiotelephones, pagers, internet/intranet access, Web browsers, notepads, calendars, and/or Global Positioning System (GPS) receivers; and conventional laptop and/or palmtop receivers or other electronic devices that include a radiotelephone transceiver. A cellular phone is an electronic device equipped with a cellular communication module.

It should be noted that the electronic device in the embodiment of the present application is mainly directed to an electronic device having a flexible screen structure, where the flexible screen is folded or unfolded in the electronic device in a telescopic manner. It can be understood that the electronic device in the present application may include a mobile phone, a tablet computer, a notebook computer, a wearable device, and other electronic devices having a flexible screen structure.

The applicant finds in research that in a flexible screen solution for realizing the display area variable in a telescopic mode, a pause phenomenon easily occurs in the telescopic process of a flexible screen, so that the flexible screen is damaged or the service life of the flexible screen is reduced, and the user experience is not high.

For solving the above problem, the embodiment of the application provides an electronic device to avoid the flexible screen to appear the card pause phenomenon when flexible, and then promote the user and use experience.

Referring to fig. 1 to fig. 3, fig. 1 is a schematic structural diagram of an electronic device in some embodiments of the present application when a flexible screen is folded, fig. 2 is a schematic structural diagram of the electronic device in the embodiment of fig. 1, and fig. 3 is a schematic structural diagram of a flexible display device in the embodiment of fig. 2. The electronic apparatus may generally include a flexible display device 100, a housing 200, and a driving device 300. The flexible display device 100 may include a flexible screen 10, a fixed assembly 20, a telescopic assembly 30, and a hinge assembly 40.

The housing 200 has an accommodating space 201, and the flexible display device 100 is disposed in the accommodating space 201. As shown in fig. 1, when the flexible screen 10 is folded, the flexible display device 100 is substantially completely accommodated in the accommodating space 201 of the housing 200, so that the electronic apparatus has a small overall volume and is very portable. The driving device 300 is disposed in the accommodating space 201 of the housing 200 to provide a stable driving force for the flexible display device 100. An opening 202 is formed on a sidewall of the housing 200, and the flexible display device 100 can extend out of or retract into the accommodating space 201 from the opening 202. That is, under the driving of the driving device 300, the flexible display device 100 can extend out of or retract into the accommodating space 201 of the housing 200, thereby realizing the variable display area of the electronic apparatus.

The housing 200 may be used to carry and secure various components of an electronic device. As shown in fig. 2, the housing 200 may be substantially similar in shape to a "concave" configuration, and the housing 200 may include a first sidewall 210, a second sidewall 220, and a bottom wall 240 connecting the first sidewall 210 and the second sidewall 220. The first sidewall 210 and the second sidewall 220 are oppositely disposed and each extend in the thickness direction of the bottom wall 240. The first sidewall 210, the second sidewall 220 and the bottom wall 240 together enclose the accommodating space 201. The accommodating space 201 can be used for mounting electronic devices such as a circuit board, a battery and a camera besides the various mechanisms, so as to realize various functions of the electronic equipment. In the present embodiment, the first sidewall 210, the second sidewall 220, and the bottom wall 240 may be an integrally formed structure. The flexible display device 100 can extend out of or retract into the accommodating space 201 from between the first sidewall 210 and the second sidewall 220 in a direction substantially parallel to the bottom wall 240.

Further, the housing 200 may further include a third sidewall 230, wherein the third sidewall 130 is disposed between the first sidewall 210 and the second sidewall 220 and is located on the same side of the bottom wall 240 as the first sidewall 210 and the second sidewall 220. The first sidewall 210, the second sidewall 220, the third sidewall 230 and the bottom wall 240 together enclose the accommodating space 201. The height of the third sidewall 230 in the thickness direction of the bottom wall 240 is smaller than the height of the first sidewall 210 and the second sidewall 220, that is, the opening 202 is formed by the third sidewall 230 and the first sidewall 210 and the second sidewall 220, so that the flexible display device 100 can extend or retract. It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

Referring to fig. 3, the fixing assembly 20 is fixedly disposed in the accommodating space 201 to position the flexible display device 100 in the accommodating space 201. The fixing assembly 20 may generally include a first fixing member 21, a second fixing member 22, and a supporting member 23 disposed between the first fixing member 21 and the second fixing member 22. The first fixing member 21, the second fixing member 22 and the supporting member 23 enclose an accommodating cavity 25 forming the fixing assembly 20.

Specifically, the first and

second fixtures

21 and 22 are disposed corresponding to the first and

second sidewalls

210 and 220, respectively. Preferably, the first fixing member 21 is fixedly disposed on a side of the first sidewall 210 departing from the accommodating space 201, the second fixing member 22 is fixedly disposed on a side of the second sidewall 220 departing from the accommodating space 201, and two opposite ends of the supporting member 23 are respectively connected to the first fixing member 21 and the second fixing member 22. Wherein the support 23 is disposed opposite to the third sidewall 230 in the telescopic direction of the flexible display device 100. It is understood that the first fixing member 21 and the second fixing member 22 may be plate-shaped structural members, and the first fixing member 21 and the first sidewall 210 are spaced apart, and the second fixing member 22 and the second sidewall 220 are spaced apart.

The telescopic assembly 30 is accommodated in the accommodating cavity 25 and is stacked with the flexible screen 10 in the thickness direction of the bottom wall 240. Wherein the telescopic assembly 30 is configured to be able to extend or retract the accommodating cavity 25 and the accommodating space 201. The rotating shaft assembly 40 is partially received in the receiving cavity 25 and is exposed at a surface portion of the support member 23 facing away from the telescopic assembly 30. The flexible screen 10 is bent to cover the telescopic assembly 30 and the supporting member 25, and the above-mentioned exposed part of the surface of the rotating shaft assembly 40 facing away from the telescopic assembly 30 of the supporting member 23 is in contact with one side of the flexible screen 10 close to the supporting member 23. In other words, the rotation shaft assembly 40 is located on the telescopic path of the flexible screen 10 to maintain contact with the flexible screen 10 at all times during the movement of the flexible screen 10. In the present embodiment, the rotating shaft assembly 40 is configured to move synchronously with the flexible screen 10, so as to prevent the flexible screen 10 from generating a pause phenomenon during the movement, so as to improve the user experience and the service life of the flexible screen.

In this embodiment, the surface that support piece 23 deviates from telescopic component 30 is the curved surface setting, and this curved surface of support piece 23 exposes partial pivot subassembly 40 to make the part that pivot subassembly 40 exposes the curved surface can contact with flexible screen 10, and then when pivot subassembly 40 and flexible screen 10 simultaneous movement, can reduce the frictional force of flexible screen 10 motion in-process and avoid flexible screen 10 to take place the card pause phenomenon, thereby promote the life of flexible screen 10.

The flexible display device and the electronic equipment provided by the embodiment of the application locate the fixed component in the accommodating space of the electronic equipment, and further locate the telescopic component in the accommodating cavity of the fixed component, so that the telescopic component can extend out of or retract back into the accommodating space and the accommodating cavity. Meanwhile, the surface of the supporting piece of the fixing component, which deviates from the telescopic component, is set into a curved surface, and the flexible screen covers the curved surface and the telescopic component, so that the flexible screen can smoothly extend out or retract. In addition, the rotating shaft assembly is arranged in the accommodating cavity, and the rotating shaft assembly is exposed out of the curved surface part of the supporting piece to be in contact with the flexible screen. Wherein, pivot subassembly is configured to can be with flexible screen simultaneous movement to avoid flexible screen to take place the card pause phenomenon at the removal in-process.

Referring to fig. 4 and fig. 5 in combination, fig. 4 is a schematic cross-sectional structure view of the electronic device along the direction a-a in the embodiment of fig. 1, and fig. 5 is a schematic cross-sectional structure view of the flexible screen of the electronic device in the embodiment of fig. 1 when being unfolded, one end of the flexible screen 10 is connected to an end of the telescopic assembly 30 away from the support 23, and the other end of the flexible screen can be wound around the driving device 300 and can be unfolded or folded under the driving of the telescopic assembly 30 and the driving device 300, that is, the flexible screen 10 can be extended out of or retracted into the accommodating space 201.

During the process of extending or retracting the flexible screen 10 into the accommodating space 201, the flexible screen 10 slides relative to the curved surface of the supporting member 23, that is, the curved surface of the supporting member 23 bends along the sliding direction of the flexible screen 10. The flexible screen 10 can be wound on the outside of the driving device 300 and cover the telescopic assembly 30, so as to drive the flexible screen 10 to unfold or fold when the driving device 300 and the telescopic assembly 30 move. As shown in fig. 4, when the flexible screen 10 is folded, a part of the flexible screen 10 is wound around the outside of the driving device 300, and another part of the flexible screen extends through the curved surface of the supporting member 23 and covers the telescopic assembly 30, at this time, the flexible screen 10 is in a small screen display state. As shown in fig. 5, when the flexible screen 10 is unfolded, the flexible screen 10 wound and disposed outside the driving device 300 is gradually released and moves synchronously along with the telescopic assembly 30 to gradually enlarge the display area of the flexible screen 10, so that the variability of the display area of the flexible screen 10 can be realized, and the electronic device can be freely switched between the states of small-screen display, large-screen display, ultra-large-screen display and the like.

In this embodiment, the electronic device may further include a power supply 600, and the power supply 600 is disposed in the accommodating space 201 of the casing 200 for supplying power to the electronic device. The fixing assembly 20 may further include a supporting plate 24, the supporting plate 24 is disposed between the first fixing member 21 and the second fixing member 22, the supporting plate 24 divides the accommodating cavity 25 into a first accommodating cavity 251 and a second accommodating cavity 252 which are separated from each other along the first direction, the telescopic assembly 30 is accommodated in the first accommodating cavity 251, and the power supply 600 is accommodated in the second accommodating cavity 252. The first direction is a stacking direction of the flexible screen 10 and the telescopic assembly 30, i.e., a thickness direction of the bottom wall 240. The support plate 24 and the bottom wall 240 are disposed substantially parallel.

Specifically, a side of the supporting plate 24 facing away from the bottom wall 240 and a portion of the supporting member 23 enclose a first receiving cavity 252, and the telescopic assembly 30 can be extended or retracted from the side of the supporting plate 24 facing away from the supporting member 23. The support plate 24, the bottom wall 240, the third side wall 230 and a portion of the support 23 enclose a second receiving cavity 252, and the second receiving cavity 252 can be used to receive the components of the power supply 600.

In this embodiment, the driving device 300 is used to drive the flexible display device 100 to move, so that the telescopic assembly 30 of the flexible display device 100 can extend out of or retract into the accommodating space 201, and the flexible screen 10 can be freely switched between the small-screen display state and the large-screen display state.

The drive device 300 generally includes a first drive assembly 310 and a second drive assembly 320. The first transmission assembly 310 is received in the second receiving cavity 252. The second driving assembly 320 is disposed between the first fixing member 21 and the first sidewall 210, and/or the second driving assembly 320 is disposed between the second fixing member 22 and the second sidewall 220. Wherein the first transmission assembly 310 and the second transmission assembly 320 move synchronously. It is understood that the driving device 300 may further include a power member (not shown) for driving the first transmission assembly 310 and the second transmission assembly 320 to move. In other words, the first transmission assembly 310 and the second transmission assembly 320 may be respectively connected with power members, that is, at least two groups of power members are provided, and the two groups of power members respectively drive the first transmission assembly 310 and the second transmission assembly 320 to move. Of course, a set of power members may be provided, and one set of power members drives the first transmission assembly 310 and the second transmission assembly 320 to move simultaneously.

Wherein, the power member can be a driving motor. The pivot of driving motor and first transmission assembly 310 can be the transmission and be connected or the meshing is connected, and, this driving motor's pivot and second transmission assembly 320 can be the transmission and be connected or the meshing is connected, with can drive first transmission assembly 310 and/or the motion of second transmission assembly 320 when driving motor's pivot rotates, and then drive flexible screen 10 and flexible subassembly 30 synchronous motion, thereby reduce the flexible subassembly and draw the probability of dragging flexible screen, reduce the friction between flexible screen and the flexible subassembly, promote the life of flexible screen.

It is understood that the driving device 300 may be other driving devices such as a screw driving mechanism, a worm gear driving mechanism, etc. In addition, the electronic device may further include a circuit board, a power supply, and other control devices disposed in the accommodating space 201, wherein the circuit board is electrically connected to the flexible screen 10 to provide a corresponding control signal to the flexible screen 10 and control the display of the flexible screen 10. The circuit board is electrically connected to the driving device 300 to control the driving device 300 to operate.

It should be noted that the terms "first", "second" and "third" in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature.

Further, one end of the flexible screen 10 is connected to the telescopic assembly 30, and the other end is wound around the first transmission assembly 310, and can be unfolded or folded under the driving of the telescopic assembly 30 and the first transmission assembly 310. The second transmission assembly 320 is connected to the telescopic assembly 30 for driving the telescopic assembly 30 to extend out of or retract into the accommodating space 201. It is understood that the driving device 300 may be in a motor-driven gear transmission manner, that is, the first transmission assembly 310 and the second transmission assembly 320 may realize transmission in a gear engagement manner or a belt transmission manner, so that the flexible display device 100 can be extended out of or retracted into the accommodating space 201.

Further, the electronic device in this embodiment may further include a shielding component 800, where the shielding component 800 is configured to shield a portion of the telescopic component 30 extending out when the telescopic component 30 extends out of the accommodating space 201, so as to ensure that the electronic device has a better appearance consistency. The shielding assembly 800 may generally include a shielding film 810 and a winding shaft 820, the winding shaft 820 is disposed in the accommodating space 201, and at least one end of the winding shaft 820 extends out of the first sidewall 210 or the second sidewall 220 to be in transmission connection with the second transmission assembly 320 and rotate under the driving of the second transmission assembly 320. One end of the shielding film 810 is connected to a side of the telescopic assembly 30 away from the flexible screen 10, and the other end is wound on the winding shaft 820 and can be unfolded or folded under the driving of the telescopic assembly 30 and the second transmission assembly 320. The shielding film 810 is wound around the winding shaft 820. When the flexible screen 10 is unfolded, the shielding film 810 wound on the outer side of the winding shaft 820 is gradually released and keeps moving synchronously with the telescopic assembly 30, so that the part of the telescopic assembly 30 extending out of the accommodating space 201 is shielded when the flexible screen 10 is unfolded.

Referring to fig. 6 to 8 in combination, fig. 6 is a schematic structural view of a fixing element 20 according to some embodiments of the present application, fig. 7 is a schematic structural view of a cross section of the fixing element 20 along a direction B-B in the embodiment of fig. 6, and fig. 8 is an enlarged schematic partial structure of a region C in the embodiment of fig. 7. Fig. 7 is a schematic cross-sectional view of the region of the rotating shaft assembly 40 exposed from the support 23.

A slotted hole 2301 communicated with the accommodating cavity 25 is formed in the curved surface of the supporting piece 23, and part of the rotating shaft assembly 40 is exposed out of the slotted hole 2301; wherein, the surface of the rotating shaft assembly 40 exposed out of the slotted hole 2301 is matched with the curved surface of the supporting piece 23. The rotating shaft assembly 40 contacts the flexible screen 10 and keeps synchronous movement with the flexible screen 10, so that the flexible screen 10 can be prevented from generating a pause phenomenon. It is understood that the surface of the rotating shaft assembly 40 is adapted to the curved surface of the support 23 by referring to: the bending area where the flexible screen 10 is in contact with the support 23 transitions smoothly without noticeable convex hulls or depressions.

The shaft assembly 40 may generally include a shaft 41 and a sleeve 42 sleeved on the shaft 41. The rotating shaft 41 is disposed in the accommodating cavity 25, and two ends of the rotating shaft 41 are respectively connected with the first fixing member 21 and the second fixing member 22. Specifically, at least one end of the rotating shaft 41 penetrates at least one of the first fixing member 21 and the second fixing member 22 to be connected to the second transmission assembly 320, so as to be driven by the second transmission assembly 320 to move synchronously with the telescopic assembly 30. The sleeve 42 is disposed corresponding to the slot 2301, and the sleeve 42 exposes a portion of the surface at the opening position of the slot 2301, i.e., the slot 2301 exposes a portion of the sleeve 42. Wherein, the surface of the sleeve 42 exposed out of the slotted hole 2301 is matched with the curved surface of the supporting piece 23 and is contacted with the flexible screen 10.

Referring to fig. 9, fig. 9 is a schematic structural diagram of the rotating shaft assembly 40 in the embodiment of fig. 6. A plurality of bushings 42 may be provided, and the plurality of bushings 42 are provided at intervals along the axial direction of the rotating shaft 41. Preferably, a plurality of bushings 42 are uniformly sleeved on the rotating shaft 41 at intervals. It is to be understood that in the description of the embodiments herein, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise.

Correspondingly, a plurality of slots 2301 may be provided, and the plurality of slots 2301 are arranged at intervals along the axial direction of the rotating shaft 41. Preferably, the plurality of slots 2301 are uniformly distributed along the axial direction of the rotating shaft 41. In the present embodiment, the sleeves 42 are disposed in a one-to-one correspondence with the slots 2301, so that each slot 2301 can expose a portion of the surface of one sleeve 42. It can be understood that, during the sliding process of the flexible screen 10 relative to the supporting member 23, the rotating shaft assembly 40 moves synchronously, and by providing the slotted hole 2301 and the shaft sleeve 42 which are matched with each other, on one hand, the flexible screen 10 can move smoothly, and on the other hand, the phenomenon of blocking during the sliding process of the flexible screen 10 can be avoided.

Referring to fig. 10, fig. 10 is a schematic view illustrating a structure of the supporting member 23 in the embodiment of fig. 6 being disassembled, and the supporting member 23 may generally include a first supporting portion 231, a second supporting portion 232, and a third supporting portion 233 disposed between the first supporting portion 231 and the second supporting portion 232. Wherein, the first supporting portion 231 and the second supporting portion 232 are oppositely disposed along the sliding direction of the flexible screen 10. Specifically, the slot 2031 is provided between the first support 231 and the third support 233, and/or the slot 2031 is provided between the second support 231 and the third support 233.

In this embodiment, two sets of the rotating shaft assemblies 40 may be provided, one set of the rotating shaft assemblies 40 is located between the first supporting portion 231 and the third supporting portion 233 and is exposed to the slot 2031 between the first supporting portion 231 and the third supporting portion 233; the other set of spindle assemblies 40 is located between the second supporting portion 232 and the third supporting portion 233, and is exposed to the slot 2031 between the second supporting portion 232 and the third supporting portion 233. Wherein the flexible screen 10 has a first bending region M and a second bending region N (as shown in fig. 4 and 5). The transition part of the flexible screen 10 from the telescopic assembly 30 to the fixing assembly 20 forms a first bending region M, and the transition part of the flexible screen 10 from the fixing assembly 20 to the first transmission assembly 310 forms a second bending region N. In this embodiment, one set of the rotation shaft assemblies 40 is disposed corresponding to the first bending region M of the flexible screen 10, and the other set of the rotation shaft assemblies 40 is disposed corresponding to the second bending region N of the flexible screen 10, so that the flexible screen 10 can be smoothly transited between the first bending region M and the second bending region N, and the occurrence of the stuck phenomenon is avoided.

Further, the first and third supporting

parts

231 and 233 are bent to correspond to the first bending region M of the flexible screen 10, and the second and third supporting

parts

231 and 233 are bent to correspond to the second bending region N of the flexible screen 10. Wherein the third support part 233 is substantially arc-shaped to provide a smooth transition curve for the flexible screen 10. In this embodiment, the flexible screen 10 can move smoothly on the curved surface of the third support portion 233, and the rotating shaft assembly 40 and the telescopic assembly 30 move synchronously, so that the probability that the telescopic assembly 30 pulls the flexible screen 10 can be reduced, the friction between the flexible screen 10 and the telescopic assembly 30 is reduced, and the service life of the flexible screen 10 is prolonged.

A first notch 2311 is formed in one side of the first supporting portion 231, which is close to the third supporting portion 233, and a second notch 2331 is formed in one side of the third supporting portion 233, which is close to the first supporting portion 231. The first notch 2311 and the second notch 2331 cooperate to form the slot 2301 for exposing a portion of the sleeve 42 of the rotary shaft assembly 40 such that a portion of the surface of the sleeve 42 is in contact with the flexible screen 10.

Similarly, the first notch 2311 may be disposed on a side of the second support portion 232 adjacent to the third support portion 233, and the second notch 2331 may be disposed on a side of the third support portion 233 adjacent to the second support portion 232. In the present embodiment, two sets of the rotating shaft assemblies 40 are provided, so that a first notch 2311 is provided on one side of the first supporting portion 231 close to the third supporting portion 233 and on one side of the second supporting portion 232 close to the third supporting portion 233, and a second notch 2331 is provided on one side of the third supporting portion 233 close to the first supporting portion 231 and on one side of the third supporting portion 233 close to the second supporting portion 232.

It is understood that the first and

second notches

2311 and 2331 are provided in one-to-one correspondence and are evenly spaced in the axial direction of the rotary shaft assembly 40.

Further, the first notch 2311 is inclined away from the surface of the spindle assembly 40 toward the direction of the spindle assembly 40; the second notch 2331 is inclined away from the surface of the shaft assembly 40 toward the shaft assembly 40 such that the slot 2301 is generally conical in configuration.

Referring to fig. 11, fig. 11 is a schematic structural view illustrating the supporting member 23 and the rotating shaft assembly 40 in the embodiment of fig. 10, and fig. 11 illustrates an example in which a slot 2301 is formed between the first supporting portion 231 and the third supporting portion 233. The slot 2301 exposes a portion of the surface of the sleeve 42, so that the sleeve 42 can contact the flexible screen 10, and the flexible screen 10 can slide smoothly to avoid the occurrence of a pause phenomenon.

One side of the first supporting portion 231 close to the third supporting portion 233 is provided with a plurality of first convex teeth 2312 protruding towards the direction of the third supporting portion 233, and two adjacent first convex teeth 2312 cooperate with the first supporting portion 231 to form the first notch 2311. A plurality of second convex teeth 2332 are convexly arranged on one side of the third support part 233 close to the first support part 231 in a direction towards the first support part 231, and two adjacent second convex teeth 2332 and the third support part 233 are matched to form the second notch 2331. The edge of the first supporting portion 231 close to the third supporting portion 233 is bent toward the rotating shaft assembly 40, and the edge of the third supporting portion 233 close to the first supporting portion 231 is bent toward the rotating shaft assembly 40.

First and

second teeth

2312, 2332 abut such that first and

second slots

2311, 2331 cooperate to form slot 2301. That is, the first and second

convex teeth

2312 and 2332 are spaced apart in the axial direction of the rotary shaft assembly 40. Further, the end of the first tooth 2312 near the second tooth 2332 is bent toward the rotation shaft assembly 40, and the end of the second tooth 2332 near the first tooth 2312 is bent toward the rotation shaft assembly 40. It is to be understood that, with respect to the first notch 2311 provided at the side of the second support part 232 adjacent to the third support part 233 and the second notch 2331 provided at the side of the third support part 233 adjacent to the second support part 232, reference may be made to the above detailed description, and a repeated description thereof will not be provided.

Referring to fig. 10 again, the first supporting portion 231 is disposed adjacent to the first receiving cavity 251, and the second supporting portion 232 is disposed adjacent to the second receiving cavity 252. Wherein the first supporting part 231 is provided with a supporting rod 235 extending toward the first receiving chamber 251, and the supporting rod 235 is connected to the telescopic assembly 30.

The supporting rod 235 and the second supporting portion 232 may be integrally formed. The support rod 235 and the second support 232 are disposed in a coplanar arrangement contacting the plane of the flexible screen 10. That is, the support rod 235 has a support surface for supporting the flexible screen 10, and the edge of the support surface close to the telescopic assembly 30 is inclined toward a direction away from the flexible screen 10, so that the flexible screen 10 can move smoothly.

Further, the first support portion 231 is provided with a fixing rod 236 extending toward the first accommodation chamber 251, and the fixing rod 236 is used to fix the support plate 24 described above. Wherein, the fixing rod 236 and the first supporting part 231 are bent and connected such that the fixing rod 236 and the supporting rod 235 are spaced apart in a direction perpendicular to the supporting plate 24.

Referring to fig. 12, fig. 12 is a schematic structural view of the telescopic assembly 30 in some embodiments of the present application when it is unfolded, wherein the telescopic assembly 30 generally includes a plurality of groups of telescopic brackets 31, and two adjacent groups of telescopic brackets 31 are slidably connected, that is, two groups of telescopic brackets 31 may be slidably connected.

In this embodiment, a set of telescopic brackets 31 near the fixing assembly 20 are slidably connected with the first fixing member 21 and the second fixing member 22, respectively, and the set of telescopic brackets 31 are connected with the supporting rod 235 and can be telescopic relative to the supporting rod 235. Further, the set of telescopic brackets 31 may be in transmission connection with the second transmission assembly 320 through the rack structure 32, so that the telescopic brackets 31 can move relative to the fixed assembly 20 under the driving of the second transmission assembly 320. It can be understood that, a set of rack structures 32 may be disposed on both sets of the telescopic brackets 31 connected in a sliding manner, so that the sets of the telescopic brackets 31 can be sequentially unfolded or folded in the same direction by using the rack structures 32, so as to extend or retract the telescopic assembly 30 into or out of the accommodating space 201.

Wherein, rack structure 32 can be connected with a set of telescopic bracket 31 that is located the tip, and this set of telescopic bracket 31 can be located or stretch out in accommodation space 201 under the expansion state for during the motion of second drive assembly 320, can drive this set of telescopic bracket 31 and slide, and then utilize rack structure 32 to drive another set of telescopic bracket 31 with this set of telescopic bracket 31 sliding connection and slide, thereby realize the expansion or the drawing in of multiunit telescopic bracket 31.

One end of the flexible screen 10 may be connected to a set of telescopic brackets 31 at the end, and the set of telescopic brackets 31 is farthest away from the supporting member 23 of the fixing assembly 20 in the unfolded state, so that the unfolded state of the flexible screen 10 may be maximized, thereby obtaining a maximum screen display area. The other end of the flexible screen 10 can be bent along the fixing component 20 and then wound on the first transmission component 310, so as to facilitate the accommodation of the flexible screen 10 in the accommodating space 201. Accordingly, one end of the shielding film 810 may also be connected to the end set of telescopic brackets 31, and the telescopic brackets 31 are farthest away from the supporting member 23 in the unfolded state, so as to shield the plurality of sets of telescopic brackets 31 in the middle area. Masking film 810 and winding shaft 820

The telescopic bracket 31 may be used to support the flexible screen 10 to maintain the flatness of the flexible screen 10. When the multiple sets of telescopic brackets 31 are folded together, the multiple sets of telescopic brackets 31 can form a complete plane to support the flexible screen 10. When the plurality of sets of telescopic supports 31 are unfolded, the plurality of sets of telescopic supports 31 may form a grid-like structure to support the flexible screen 10. With the arrangement, the flexible screen 10 can be supported to ensure the smooth display of the flexible screen 10 no matter the multiple groups of telescopic supports 31 are in the unfolding state or the folding state. The second transmission assembly 320, in cooperation with the rack structure 32, may be used to implement the expansion or contraction of the multiple sets of telescopic brackets 31, which may be provided with a rack, two gears, and a toothed belt. Wherein, two gears can be arranged on a group of telescopic bracket 31, and the toothed belt can be simultaneously sleeved on a tooth part of the two gears. The rack may be provided on another set of telescopic brackets 31 slidably connected to the set of telescopic brackets 31, and the other tooth portion of one gear is engaged. So set up, when the telescopic bracket 31 that is located the tip slides under the drive of second transmission assembly 320, the transmission of the usable rack, gear and the toothed belt of multiunit telescopic bracket 31 follows same direction and expandes or draws in to realize telescopic component 30's flexible function.

The fixing assembly 20 has a support 23 disposed in a bending manner, and the support 23 is connected to a set of telescopic brackets 31 located at the end, so that the flexible screen 10 can be bent along the support 23 and then wound on the first transmission assembly 310, so as to facilitate the accommodation of the flexible screen 10 in the accommodating space 201. In this embodiment, the plurality of sets of telescopic brackets 31 may be connected to each other by sliding grooves and sliding blocks. In some embodiments, the multiple sets of telescopic brackets 31 may also realize the sliding connection between the two sets of telescopic brackets 31 by providing a sliding rail or a roller, which is not limited in this embodiment.

Further, the edge of each group of the telescopic brackets 31 is inclined towards the direction far away from the flexible screen 10, so that the edge of each group of the telescopic brackets 31 forms a chamfer structure, a blocking phenomenon can be avoided in the moving process of the flexible screen 10, and the flexible screen 10 can move more smoothly.

For example, the telescopic assembly 30 may generally include a first telescopic bracket 311, a second telescopic bracket 312, a third telescopic bracket 313, a fourth telescopic bracket 314, a fifth telescopic bracket 315, and a sixth telescopic bracket 316, which are slidably connected in pairs. The first telescopic bracket 311 is slidably connected to the supporting rod 235, and the sixth telescopic bracket 316 is disposed away from the supporting rod 235. One end of the flexible screen 10 is connected to the end of the sixth telescopic bracket 316 remote from the support rod 235. On the sliding path of the flexible screen 10, the edge of each telescopic bracket forms a chamfer angle structure, so that the flexible screen 10 can slide smoothly, and the phenomenon of blocking is avoided.

As shown in FIG. 4, the edges of two adjacent telescopic supports which are close to each other are inclined towards the direction departing from the flexible screen to form a chamfer angle structure, so that the phenomenon that the flexible screen is clamped during movement is avoided. It can be understood that the flexible screen 10 is fixedly connected to the sixth telescopic bracket 316, and during the process of extending and retracting the flexible screen 10, the flexible screen 10 does not substantially move relative to the sixth telescopic bracket 316, so that the edge of the sixth telescopic bracket 316 does not need to be provided with a bevel structure.

The electronic equipment and the flexible display device provided by the embodiment of the application set the surface of the supporting piece of the fixing component deviating from the telescopic component into the curved surface, and cover the flexible screen on the curved surface and the telescopic component, so that the flexible screen can stretch out or retract smoothly. The rotating shaft assembly is configured to be capable of synchronously moving with the flexible screen, and the rotating shaft assembly is exposed out of the curved surface part of the supporting piece and is in contact with the flexible screen, so that the phenomenon that the flexible screen is blocked in the moving process is avoided.

In addition, an embodiment of the present application further provides a mobile terminal device, please refer to fig. 13, where fig. 13 is a schematic diagram illustrating a structural composition of a mobile terminal device 900 in another embodiment of the present application, where the mobile terminal device 900 may be a mobile phone, a tablet computer, a notebook computer, a wearable device, and the like, and the mobile phone is taken as an example in the embodiment of the present application. The structure of the mobile terminal apparatus 900 may generally include an RF circuit 910, a memory 920, an input unit 930, a display unit 940 (i.e., the flexible screen 10 in the above-described embodiment), a sensor 950, an audio circuit 960, a wifi module 970, a processor 980, a power supply 990, and the like. Wherein the RF circuit 910, the memory 920, the input unit 930, the display unit 940, the sensor 950, the audio circuit 960, and the wifi module 970 are respectively connected with the processor 980; the power supply 990 serves to supply power to the entire mobile terminal apparatus 900.

Specifically, the RF circuit 910 is used for transmitting and receiving signals; the memory 920 is used for storing data instruction information; the input unit 930 is used for inputting information, and may specifically include a touch panel 931 and other input devices 932 such as operation keys; the display unit 940 may include a display panel 941 (i.e., the flexible screen 10 in the above embodiment), and the like; the sensor 950 includes an infrared sensor, a laser sensor, etc. for detecting a user approach signal, a distance signal, etc.; a speaker 961 and a microphone 962 are connected to the processor 980 through the audio circuit 960 for emitting and receiving sound signals; the wifi module 970 is used for receiving and transmitting wifi signals, and the processor 980 is used for processing data information of the mobile terminal device. With regard to the related technical features of the display panel, please refer to the description related to the flexible screen in the above embodiments, and detailed description thereof will not be provided here.

It is noted that the terms "comprises" and "comprising," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

The above description is only a part of the embodiments of the present application, and not intended to limit the scope of the present application, and all equivalent devices or equivalent processes performed by the content of the present application and the attached drawings, or directly or indirectly applied to other related technical fields, are also included in the scope of the present application.

Claims

1. A flexible display device, wherein the flexible display device comprises:

flexible screen;

A fixing assembly, comprising a first fixing member, a second fixing member arranged oppositely, and a support member arranged between the first fixing member and the second fixing member; the first fixing member, the second fixing member The part and the supporting part are surrounded to form a receiving cavity;

a telescopic assembly accommodated in the accommodating cavity, and the telescopic assembly is configured to be able to extend or retract in the accommodating cavity;

a rotating shaft assembly, partially accommodated in the accommodating cavity;

Wherein, the surface of the support member facing away from the telescopic assembly is arranged in a curved surface, and the curved surface of the support member exposes part of the rotating shaft assembly; the part of the rotating shaft assembly exposed from the curved surface is in contact with the flexible screen, and the The flexible screen covers the telescopic assembly and the curved surface.

2 . The flexible display device according to claim 1 , wherein one end of the flexible screen is connected to an end of the telescopic assembly facing away from the support member, so that the flexible screen can be relative to the support. 3 . The curved surface of the support member slides; wherein, the curved surface of the support member is bent along the sliding direction of the flexible screen.

3 . The flexible display device according to claim 2 , wherein a slot hole communicating with the accommodating cavity is opened on the curved surface of the support member, and a part of the rotating shaft assembly is exposed from the slot hole; wherein, the The surface of the rotating shaft assembly exposed to the slot hole is adapted to the curved surface.

4 . The flexible display device according to claim 3 , wherein the rotating shaft assembly comprises a rotating shaft and a shaft sleeve, the rotating shaft is arranged in the accommodating cavity, and two ends of the rotating shaft are respectively connected with the first and second ends of the rotating shaft. 5 . A fixing piece is connected with the second fixing piece; the slotted hole exposes part of the shaft sleeve, and the surface of the shaft sleeve exposed from the slotted hole is adapted to the curved surface.

5 . The flexible display device according to claim 4 , wherein a plurality of the slot holes are provided, and the plurality of the slot holes are arranged at intervals along the axis direction of the rotating shaft; the bushing is provided with a plurality of , and a plurality of the shaft sleeves are arranged at intervals along the axis direction of the rotating shaft; wherein, the shaft sleeves and the slot holes are in one-to-one correspondence.

6 . The flexible display device according to claim 3 , wherein the support member comprises a first support portion, a second support portion, and a second support portion provided on the first support portion and the second support portion. 7 . a third support part between the support parts; the first support part and the second support part are oppositely arranged along the sliding direction of the flexible screen;

Wherein, the slot hole is provided between the first support portion and the third support portion, and/or the slot hole is provided between the second support portion and the third support portion.

7 . The flexible display device according to claim 6 , wherein a side of the first support portion close to the third support portion is provided with a first notch, and the third support portion is close to the first support portion. 8 . One side of a support portion is provided with a second notch; and/or,

The side of the second support portion close to the third support portion is provided with a first notch, and the side of the third support portion close to the second support portion is provided with a second notch;

Wherein, the first slot and the second slot cooperate to form the slot hole.

8 . The flexible display device according to claim 7 , wherein the surface of the first notch facing away from the rotating shaft assembly is inclined toward the direction of the rotating shaft assembly; the second notch is away from the rotating shaft assembly. 9 . The surface of the shaft is inclined towards the direction of the shaft assembly.

9 . The flexible display device according to claim 6 , wherein the fixing component further comprises a support plate, the support plate is disposed between the first fixing member and the second fixing member, and the The support plate divides the accommodating cavity into a first accommodating cavity and a second accommodating cavity that are away from each other along a first direction; the telescopic assembly is accommodated in the first accommodating cavity; wherein, the first direction is the The stacking direction of the flexible screen and the telescopic assembly.

10 . The flexible display device according to claim 9 , wherein the first supporting portion is disposed adjacent to the first accommodating cavity, and the second supporting portion is disposed adjacent to the second accommodating cavity; wherein, the The first support part is provided with a support rod extending toward the first accommodating cavity, and the support rod is connected with the telescopic assembly.

11 . The flexible display device according to claim 10 , wherein the support rod has a support surface for supporting the flexible screen, and the support surface is close to the edge of the telescopic assembly and faces away from the flexible screen. 11 . tilt.

12 . The flexible display device according to claim 11 , wherein the telescopic assembly comprises multiple groups of telescopic brackets, and adjacent two groups of the telescopic brackets are slidably connected; The telescopic brackets are respectively slidably connected with the first fixing member and the second fixing member; wherein, the edges of each group of the telescopic brackets are inclined toward the direction away from the flexible screen.

13. An electronic device, characterized in that the electronic device comprises:

flexible screen;

The shell has an accommodating space;

a fixing assembly, arranged in the accommodating space, the fixing assembly includes a first fixing piece, a second fixing piece and a supporting piece arranged between the first fixing piece and the second fixing piece ; The first fixing member, the second fixing member and the supporting member are surrounded to form a accommodating cavity;

a telescopic assembly accommodated in the accommodating cavity, and the telescopic assembly is configured to be able to extend or retract in the accommodating space;

a rotating shaft assembly, partially accommodated in the accommodating cavity;