Display device

Abstract

The utility model discloses a display device, and belongs to the technical field of display. The display device comprises a first shell, a screen rotating shaft, a rotating shaft motor assembly, a flexible screen, a telescopic support, a lead screw motor assembly, a controller and a second shell, and when the flexible screen is unfolded, the lead screw motor assembly can control a sliding block to move on a lead screw under the control of the controller so as to drive the telescopic support to stretch; when the flexible screen is folded, the rotating shaft motor assembly can drive the screen rotating shaft to rotate under the control of the controller so as to apply a pulling force to the flexible screen, and the flexible screen is wound on the screen rotating shaft, so that the flexible screen can be flatly wound on the screen rotating shaft, and the flexibility of the flexible screen is improved. The possibility of damage to the flexible screen is reduced, and the effect of prolonging the service life of the display device is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of display, in particular to a display device. Background Art

[0002] A display device is a device that can provide a display function. There are many types of display devices. One type of display device is a display device with a scroll screen structure.

[0003] A display device includes a rotating shaft, a flexible screen, a rotating shaft housing, a telescopic rod, a motor and a handle. The rotating shaft is located in the rotating shaft housing. The two ends of the telescopic rod are respectively connected to the rotating shaft housing and the handle. The two ends of the flexible screen are respectively connected to the rotating shaft and the handle. The motor can drive the telescopic rod to extend to pull the flexible screen out of the rotating shaft, and drive the telescopic rod to contract to roll the flexible screen back onto the rotating shaft.

[0004] However, the flexible screen in the above-mentioned display device may have poor flatness when it is shrunk in the hinge, which increases the possibility of damage to the flexible screen and results in a shorter life of the display device. Utility Model Content

[0005] The present utility model provides a display device. The technical solution is as follows:

[0006] According to one aspect of an embodiment of the utility model, a display device is provided, the display device comprising: a first housing, a screen shaft, a shaft motor assembly, a flexible screen, a telescopic bracket, a lead screw motor assembly, a controller and a second housing;

[0007] The screen shaft and the shaft motor assembly are located in the first shell, and the flexible screen includes a first edge and a second edge opposite to each other in the unfolded state, the first edge is connected to the screen shaft, and the second edge is connected to the second shell;

[0008] One end of the telescopic bracket is connected to the first housing, and the other end is connected to the second housing. The lead screw motor assembly includes a motor bracket, a lead screw, and a slider located on the lead screw. The motor bracket is connected to the first housing, and the slider is connected to the telescopic bracket. The lead screw motor assembly is used to drive the slider to move on the lead screw to drive the telescopic bracket to extend and retract.

[0009] The shaft motor assembly includes a shaft motor and a transmission member, wherein the transmission member is linked with the shaft motor and the screen shaft respectively, and the shaft motor is used to drive the screen shaft to rotate;

[0010] The controller is electrically connected to the lead screw motor assembly and the rotating shaft motor assembly respectively.

[0011] Optionally, the number of the rotating shaft motor assemblies is at least two, and the at least two rotating shaft motor assemblies include a first rotating shaft motor assembly and a second rotating shaft motor assembly, the transmission member in the first rotating shaft motor assembly is linked to one end of the screen rotating shaft, and the transmission member in the second rotating shaft motor assembly is linked to the other end of the screen rotating shaft.

[0012] Optionally, the number of the screw motor assemblies is at least two, and the at least two screw motor assemblies include a first screw motor assembly and a second screw motor assembly, the first screw motor assembly and the second screw motor assembly are respectively located on both sides of the telescopic bracket in a first direction, and the first direction is a direction perpendicular to the telescopic direction of the telescopic bracket.

[0013] Optionally, the telescopic bracket includes a plurality of beams arranged along the second direction and a plurality of support rods located between two adjacent beams among the plurality of beams, both ends of the support rods have gear structures, the gear structures of the support rods on both sides of the beams are respectively rotatably connected to the beams, and the gear structures of the support rods on both sides of the beams are meshed with each other, and the second direction is a direction parallel to the telescopic direction of the telescopic bracket;

[0014] The back side of the flexible screen contacts the telescopic bracket.

[0015] Optionally, the slider of the screw motor assembly is connected to the crossbeam.

[0016] Optionally, the plurality of crossbeams include a first crossbeam and a second crossbeam, and in the second direction, the first crossbeam and the second crossbeam are alternately arranged;

[0017] One side of the first crossbeam has two support rods, and one side of the second crossbeam has at least 2*n support rods, where n is a positive integer greater than or equal to 2.

[0018] Optionally, the display device further includes a first component, a second component, a connecting line and a plurality of limiting structures;

[0019] The plurality of limiting structures are located on the plurality of support rods, and each of the limiting structures comprises a limiting hole;

[0020] The first device and the second device are respectively located on both sides of the plurality of limiting structures in the second direction, one end of the connecting line is connected to the first device, and the other end passes through the limiting holes of the plurality of limiting structures and is connected to the second device.

[0021] Optionally, the second device is the controller, and the first device includes at least one sensor.

[0022] Optionally, two limiting structures are provided on each of the support rods, and the two limiting structures are respectively located at two ends of the support rod.

[0023] Optionally, the display device further comprises a first sensor, and the first sensor is electrically connected to the controller;

[0024] The first sensor is located at the screen rotation axis and is used to obtain the rotation angle of the screen rotation axis.

[0025] Optionally, the display device further includes a second sensor, and the second sensor is electrically connected to the controller;

[0026] The second sensor is located at the lead screw motor assembly and is used to obtain the rotation angle of the lead screw.

[0027] Optionally, the second shell includes a holding shell and a first bracket, the holding shell is connected to the first bracket, the controller is located on the first bracket, and the holding shell is connected to the second edge of the flexible screen.

[0028] Optionally, the display device further comprises a transmission member bracket located in the first housing;

[0029] The transmission member includes a first gear, a second gear and a third gear. The first gear is connected to the screen shaft, the third gear is linked to the shaft motor, the second gear is rotationally connected to the rotating member bracket, and the second gear is respectively meshed with the first gear and the third gear.

[0030] Optionally, the shaft motor assembly also includes a reducer, which is located in the first shell, and the reducer and the shaft motor are arranged in the first shell along the length direction of the screen shaft, and the reducer includes an input shaft and an output shaft, the input shaft is connected to the shaft motor, and the output shaft is connected to the third gear.

[0031] Optionally, the display device further comprises a telescopic slide rail, the telescopic slide rail comprises a first strip rail, a second strip rail and at least one middle strip rail, the first strip rail, the at least one middle strip rail and the second strip rail are slidably connected in sequence along a telescopic direction of the telescopic slide rail, and the telescopic direction of the telescopic slide rail is parallel to the telescopic direction of the telescopic bracket;

[0032] The first strip-shaped track is connected to the first shell, and the second strip-shaped track is connected to the second shell.

[0033] Optionally, one end of the first strip track is connected to the first shell;

[0034] The telescopic slide rail includes a first connecting member and a second connecting member, the first connecting member is respectively connected to the first strip track and the motor bracket, and the second connecting member is respectively connected to the second strip track and the second shell.

[0035] Optionally, the second shell includes a grip shell and a first bracket, the grip shell is connected to the first bracket, the controller is located on the first bracket, and the grip shell is connected to the second edge of the flexible screen;

[0036] The second connecting member is connected to the second strip track and the first bracket respectively.

[0037] Optionally, the number of the telescopic slide rails is 2, and the two telescopic slide rails are respectively located on both sides of the telescopic bracket in a first direction, and the first direction is a direction perpendicular to the telescopic direction of the telescopic bracket.

[0038] According to another aspect of the embodiment of the present utility model, a control method of a display device is provided, the method is used in a controller in the above-mentioned display device, the method comprising:

[0039] When receiving the unfolding instruction, controlling the lead screw motor assembly in the display device to start, the lead screw motor assembly is used to control the slider to move on the lead screw to drive the telescopic bracket to extend, so as to pull the flexible screen out of the screen shaft;

[0040] When a contraction instruction is received, the shaft motor assembly in the display device is controlled to start, and the shaft motor assembly is used to drive the screen shaft to rotate so as to wrap the flexible screen around the screen shaft.

[0041] According to another aspect of an embodiment of the utility model, a display device is provided, comprising a processor and a memory, wherein the memory stores at least one instruction, at least one program, a code set or an instruction set, and the at least one instruction, the at least one program, the code set or the instruction set are loaded and executed by the processor to implement a control method for the display device as described above.

[0042] According to another aspect of an embodiment of the utility model, a non-volatile computer storage medium is provided, wherein at least one instruction, at least one program, a code set or an instruction set is stored in the computer storage medium, and the at least one instruction, the at least one program, the code set or the instruction set is loaded and executed by a processor to implement the control method of the display device as described above.

[0043] The beneficial effects brought by the technical solution provided by the embodiment of the utility model include at least:

[0044] Provided is a display device including a first shell, a screen hinge, a hinge motor assembly, a flexible screen, a telescopic bracket, a lead screw motor assembly, a controller and a second shell. When the flexible screen is unfolded, the lead screw motor assembly can control a slider to move on the lead screw under the control of the controller to drive the telescopic bracket to extend, so as to pull the flexible screen out of the screen hinge. When the flexible screen is folded, the hinge motor assembly can drive the screen hinge to rotate under the control of the controller, so as to apply a pulling force to the flexible screen and wind the flexible screen around the screen hinge. In this way, the flexible screen can be smoothly wound around the screen hinge, thereby reducing the possibility of damage to the flexible screen and achieving the effect of increasing the life of the display device. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0046] Figure 1 It is a structural schematic diagram of a display device shown in an embodiment of the utility model;

[0047] Figure 2 yes Figure 1 A schematic diagram of a structure of part of the display device shown;

[0048] Figure 3 yes Figure 1 A schematic diagram of an internal structure of the display device shown;

[0049] Figure 4 yes Figure 1 Another schematic diagram of the internal structure of the display device shown;

[0050] Figure 5 yes Figure 4 A schematic diagram of some structures inside the first shell shown;

[0051] Figure 6 yes Figure 1 A structural schematic diagram of another state of the display device shown;

[0052] Figure 7 yes Figure 1 Another schematic diagram of the internal structure of the display device shown;

[0053] Figure 8 yes Figure 1 Another schematic diagram of the internal structure of the display device shown;

[0054] Fig. 9 yes Figure 8 A structural schematic diagram of the display device shown in another perspective;

[0055] Fig.10 yes Figure 8 A schematic structural diagram of a telescopic bracket in the display device shown;

[0056] Fig.11 It is a schematic diagram of the internal structure of another display device provided by an embodiment of the utility model;

[0057] Fig.12 yes Fig.11 A schematic diagram of the structure of a portion of the display device shown;

[0058] Fig.13 yes Fig.11 A schematic diagram of the structure of a holding shell in the display device shown;

[0059] Fig.14 yes Fig.11 A schematic structural diagram of a first shell in the display device shown;

[0060] Fig.15 yes Fig.11 A schematic diagram of the structure of the middle part;

[0061] Fig.16 yes Fig.15 Another schematic diagram of the portion of the structure shown;

[0062] Fig.17 yes Figure 1 A schematic cross-sectional structure diagram of a display device shown;

[0063] Fig.18 yes Figure 1 A schematic cross-sectional structure diagram of a display device shown;

[0064] Fig.19 yes Figure 1 A schematic cross-sectional structure diagram of a display device shown;

[0065] Fig. 20 yes Figure 1 A schematic cross-sectional structure diagram of a display device shown;

[0066] Fig.21 yes Fig. 20 A structural schematic diagram of a part of the structure shown in the display structure;

[0067] Fig. 22 yes Fig.21 Another structural schematic diagram of the structure shown;

[0068] Fig.23It is a method flow chart of a method for controlling a display device provided by an embodiment of the utility model.

[0069] The above drawings have shown clear embodiments of the present invention, which will be described in more detail below. These drawings and text descriptions are not intended to limit the scope of the present invention in any way, but to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0070] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0071] The display device with a scroll screen structure is a new type of display device at present. Compared with a conventional flat display device, the display device with a scroll screen structure can have a larger display area. Compared with a folding screen display device, this type of display device with a scroll screen structure can avoid the problem of creases.

[0072] A current display device with a scroll screen structure includes a rotating shaft, a flexible screen, a rotating shaft shell, a telescopic rod, a motor and a handle. The rotating shaft is located in the rotating shaft shell, and the two ends of the telescopic rod are respectively connected to the rotating shaft shell and the handle. The two ends of the flexible screen are respectively connected to the rotating shaft and the handle. The motor can drive the telescopic rod to extend to pull the flexible screen out of the rotating shaft, and drive the telescopic rod to contract to roll the flexible screen back onto the rotating shaft.

[0073] However, when the flexible screen in the above-mentioned display device is retracted in the shaft, the flexible screen is pushed toward the shaft by a motor, so that the flexible screen is wrapped around the shaft. As a result, the flatness of the flexible screen wrapped around the shaft may be poor, and it may collide with the shaft housing, thereby increasing the possibility of damage to the flexible screen and shortening the life of the display device.

[0074] The embodiments of the present utility model provide a display device, a control method of the display device and a computer storage medium, which can solve some problems in the above-mentioned related technologies.

[0075] Figure 1 This is a schematic diagram of a display device according to an embodiment of the present invention. Figure 1 The display device 10 may include: a first housing 11, a flexible screen 14 and a second housing 18, please refer to Figure 2 , Figure 2 yes Figure 1 A schematic diagram of a part of the structure of the display device shown in FIG. Figure 2 Can be Figure 1The simplified structural diagram of the cross-sectional structure of the display device shown in FIG. 1 ) is a diagram showing a display device 10 including a screen shaft 12, a shaft motor assembly 13, a lead screw motor assembly 16 and a controller 17. Please refer to FIG. Figure 3 , Figure 3 yes Figure 1 A schematic diagram of an internal structure of a display device shown in FIG. Figure 3 Can be Figure 1 The internal structure diagram of the display device when it is in the unfolded state is shown. Figure 3 The display device 10 includes a telescopic bracket 15 (structures such as a flexible screen are not shown).

[0076] For details, please refer to Figure 2 , the screen hinge 12 and the hinge motor assembly 13 are located in the first shell 11, and the flexible screen 14 includes a first edge b1 and a second edge b2 that are opposite to each other in the unfolded state, the first edge b1 is connected to the screen hinge 12, and the second edge b2 is connected to the second shell 18. In the embodiment of the utility model, the flexible screen 14 can be various flexible display panels, for example, it can be a flexible organic light-emitting diode display panel. The unfolded state can refer to a state in which the flexible screen 14 is only connected to the screen hinge 12 but not wrapped around the screen hinge 12. Exemplarily, the flexible screen 14 can be rectangular, and the first edge b1 and the second edge b2 can be two opposite edges of the rectangular flexible screen.

[0077] Please refer to Figure 3 One end of the telescopic bracket 15 is connected to the first housing 11, and the other end is connected to the second housing 18. Figure 3 as well as Figure 4 , Figure 4 yes Figure 1 Another internal structure schematic diagram of the display device shown (in order to clearly show the internal structure, Figure 4 Some structures such as the housing and the flexible screen are not shown in the figure), the screw motor assembly 16 includes a motor bracket 161, a screw 162 and a slider 163 located on the screw 161, the motor bracket 161 is connected to the first shell 11, the slider 163 is connected to the telescopic bracket 15, and the screw motor assembly 16 is used to drive the slider 163 to move on the screw 161 to drive the telescopic bracket 15 to extend and retract.

[0078] Please refer to Figure 5 , Figure 5 yes Figure 4 Schematic diagram of some structures inside the first shell shown ( Figure 5 yes Figure 4Schematic diagram of some structures at one end of the screen shaft in the structure shown), the shaft motor assembly 13 includes a shaft motor 131 and a transmission member 132, the transmission member 132 is respectively linked to the shaft motor 131 and the screen shaft 12, and the shaft motor 131 is used to drive the screen shaft 12 to rotate.

[0079] Please refer to Figure 2 The controller 17 is electrically connected to the lead screw motor assembly 16 and the shaft motor assembly 13 respectively, and the controller 17 can be used to control the lead screw motor assembly 16 and the shaft motor assembly 13. It should be noted that: Figure 2 Only the electrical connection relationship between the controller 17, the screw motor assembly 16 and the shaft motor assembly 13 is shown, but the positions and structures of these structures are not limited.

[0080] Also, please refer to Figure 1 as well as Figure 6 , Figure 6 yes Figure 1 A schematic diagram of the structure of another state of the display device shown, Figure 1 The display device is in a retracted state. In this state, the overall display device is small in size, which makes it easy for users to store the display device, and some information can be obtained by viewing the flexible screen 14 that is shrunk to a smaller display area aa1 (the flexible screen of the display device has a relative display surface and a back surface, and the display area is located on the display surface. The display area increases and decreases as the flexible screen is unfolded and retracted). Figure 6 The display device in the embodiment can be in an unfolded state, in which the flexible screen 14 unfolds from the screen hinge to form a larger display area aa2, which can improve the display effect of the display device and thus improve the user experience.

[0081] To summarize, the embodiments of the utility model provide a display device including a first shell, a screen hinge, a hinge motor assembly, a flexible screen, a telescopic bracket, a lead screw motor assembly, a controller and a second shell. When the flexible screen is unfolded, the lead screw motor assembly can control the movement of the slider on the lead screw under the control of the controller to drive the telescopic bracket to extend, so as to pull the flexible screen out of the screen hinge. When the flexible screen is folded, the hinge motor assembly can drive the screen hinge to rotate under the control of the controller, so as to apply a pulling force to the flexible screen and wrap the flexible screen around the screen hinge. In this way, the flexible screen can be wrapped flatly around the screen hinge, thereby reducing the possibility of damage to the flexible screen and achieving the effect of improving the life of the display device.

[0082] It should be noted that the "linkage" between structure A and structure B involved in the embodiment of the utility model means that structure A and structure B are structurally related, and a change in the state of one of the structures (such as position state, rotation state, etc.) can cause a change in the state of another structure. Exemplarily, the transmission member 132 is linked with the shaft motor 131, which may mean that the shaft motor 131 can transmit the rotational motion of its own shaft to the transmission member 132, and the transmission member 132 is linked with the screen shaft 12. The transmission member 132 can then transmit the rotational motion provided by the shaft motor 131 to the screen shaft 12, so that the shaft motor 131 can drive the screen shaft 12 to rotate.

[0083] In an exemplary embodiment, please refer to Figure 5 as well as Figure 7 , Figure 7 yes Figure 1 Another internal structure schematic diagram of the display device shown in FIG. Figure 7 Can be Figure 1 The back side of the display device shown in FIG. 1 is a schematic diagram. In addition, in order to clearly show the internal structure, Figure 7 The housing of the display device is not shown. Figure 7 The telescopic bracket 15 is separated from the first housing 11, but this is not limited to this), wherein the number of the shaft motor assemblies 13 is at least two, and the at least two shaft motor assemblies 13 include a first shaft motor assembly 13a and a second shaft motor assembly 13b. The transmission member 132 in the first shaft motor assembly 13a is linked to one end of the screen shaft 12, and the transmission member 132 in the second shaft motor assembly 13b is linked to the other end of the screen shaft. The structure of at least one of the first shaft motor assembly 13a and the second shaft motor assembly 13b can be as follows Figure 5 As shown. The two shaft motor assemblies respectively linked with the two ends of the screen shaft 12 can respectively drive the two ends of the screen shaft 12 to rotate, so that the forces at the two ends of the screen shaft 12 are evenly and balanced, and the stability and smoothness of the screen shaft 12 during rotation are improved. In addition, since the two ends of the screen shaft 12 can be driven to rotate, the problem of uneven winding of the flexible screen caused by the elastic deformation of the screen shaft 12 when one end is driven can be avoided.

[0084] Optionally, the display device further includes a transmission member bracket z1 located in the first housing 11; the transmission member 132 includes a first gear c1, a second gear c2 and a third gear c3, the first gear c1 is connected to the screen shaft 12, the third gear c3 is linked to the shaft motor 131, the second gear c2 is rotationally connected to the rotating member bracket z1, and the second gear c2 is respectively meshed with the first gear c1 and the third gear c3. In this way, a simple and stable transmission member structure is provided. Of course, the transmission member 132 can also be other structures, for example, it can include more or fewer gears, or the transmission member 132 can also be a crawler drive structure or a belt drive structure, etc., and the embodiment of the utility model is not limited to this.

[0085] Optionally, refer to Figure 5 as well as Figure 7 , the shaft motor assembly 13 also includes a reducer 133, the reducer 133 is located in the first housing 11, the reducer 133 and the shaft motor 131 are arranged in the first housing 11 along the length direction fp of the screen shaft 12, the reducer 133 is linked with the shaft motor 131, the reducer 133 includes an input shaft and an output shaft (not shown in the figure), the input shaft is connected to the shaft motor 131, and the output shaft is connected to the third gear c3. The reducer (Reducer) 133 can be used to achieve the function of matching the rotation speed and transmitting the torque between the shaft motor 131 and the screen shaft 12, for example, it can achieve the function of reducing the rotation speed and increasing the torque. The input shaft of the reducer 133 can be connected to the prime mover (such as various motors), and the input shaft can be connected to the actuator (such as various shafts), and the reducer 133 can convert the high-speed power input by the input shaft into low-speed power and transmit it to the output shaft for output.

[0086] In an exemplary embodiment, please refer to Figure 8 and Figure 4 , Figure 8 yes Figure 1 Another internal structure schematic diagram of the display device shown in FIG. Figure 8 Can be Figure 1 The back side of the display device shown in FIG. 1 is a schematic diagram. In addition, in order to clearly show the internal structure, Figure 8 The housing of the display device is not shown), wherein the number of the screw motor assemblies 16 is at least two, and the at least two screw motor assemblies 16 include a first screw motor assembly 16a and a second screw motor assembly 16b, and the first screw motor assembly 16a and the second screw motor assembly 16b are respectively located on both sides of the telescopic bracket 15 in the first direction f1, and the first direction f1 (the length direction fp of the screen rotation axis 12 can be parallel to the first direction f1) is a direction perpendicular to the telescopic direction f2 of the telescopic bracket 15. The structure of at least one of the first screw motor assembly 16a and the second screw motor assembly 16b can be as follows Figure 4shown.

[0087] Please refer to Figure 3 , Fig. 9 as well as Fig.10 , Fig. 9 yes Figure 8 A structural schematic diagram of another viewing angle of the display device shown in FIG. Fig. 9 Can be Figure 8 Schematic diagram of region u1, in order to clearly show some structures, Fig. 9 The screw motor assembly 16 is not shown. Fig.10 yes Figure 8 A schematic structural diagram of a telescopic bracket in a display device shown, wherein the telescopic bracket 15 includes a plurality of beams 151 arranged along a second direction f2 and a plurality of support rods 152 located between two adjacent beams 151 among the plurality of beams 151, both ends of the support rods 152 have gear structures g, the gear structures g of the support rods 152 on both sides of the beam 151 are respectively rotatably connected to the beam 151, and the gear structures g of the support rods 152 on both sides of the beam 151 are meshed with each other, and the second direction f2 is a direction parallel to the telescopic direction of the telescopic bracket 15; the slider 163 of the screw motor assembly 16 is connected to the beam 151. There is an angle greater than zero and less than or equal to 90 degrees between the length direction of the beam 151 and the second direction f2, Figure 3 The illustrated case is a case where the angle is 90, but this is not a limitation. In this structure, in the telescopic bracket 15, by pushing any one of the crossbeams 151, the entire telescopic bracket 15 can be extended or retracted through the gear structure g of the two support rods 152 meshing with each other. The telescopic bracket 15 of this structure can be called an accordion-structured telescopic bracket.

[0088] In an exemplary embodiment, please refer to Figure 3 as well as Fig.10 The plurality of beams 151 include a first beam 1511 and a second beam 1512. In the second direction f2, the first beams 1511 and the second beams 1512 are arranged alternately. One side of the first beam 1511 has two support rods 152, and one side of the second beam 1512 has at least 2*n support rods 152, where n is a positive integer greater than or equal to 2. Fig.10 The case where n is 2 is shown in FIG. , but the embodiment of the present invention is not limited to this.

[0089] In addition, in the display device provided in the embodiment of the utility model, the telescopic bracket 15 can also be other structures. For example, the telescopic bracket 15 can also be a hydraulic rod telescopic bracket or other structures, and the embodiment of the utility model does not limit this.

[0090] In an exemplary embodiment, please refer to Figure 4The screw motor assembly 16 may further include an auxiliary connector 164, which is respectively connected to the slider 163 and the crossbeam 151 of the telescopic bracket 15. The auxiliary connector 164 can reduce the difficulty of connecting the slider 163 and the crossbeam 151 and facilitate the internal structural design of the display device.

[0091] Please refer to Fig.11 as well as Fig.12 , Fig.11 is a schematic diagram of the internal structure of another display device provided by an embodiment of the utility model, Fig.12 yes Fig.11 A schematic diagram of the structure of a part of the display device shown. The display device further includes a first device q1, a second device q2, a connecting wire s1 and a plurality of limiting structures 19; the plurality of limiting structures 19 are located on a plurality of support rods 152, and each limiting structure 19 includes a limiting hole 191; the first device q1 and the second device q2 are respectively located on both sides of the plurality of limiting structures 19 in the second direction f2, one end of the connecting wire s1 is connected to the first device q1, and the other end passes through the limiting holes 191 of the plurality of limiting structures 19 and is connected to the second device q2. Under such a structure, the limiting structure 19 can be used to limit the movement of the connecting wire s1, and prevent the connecting wire s1 from falling into the telescopic bracket 15 (for example, falling between the support rod 152 and the crossbeam 151) during the telescopic bracket 15 extension and retraction process. In this way, on the one hand, the connecting wire s1 can be prevented from being damaged by the telescopic bracket 15, and on the other hand, the connecting wire can be prevented from affecting the normal extension and retraction of the telescopic bracket 15.

[0092] It should be noted that the first device q1 and the second device q2 are any two electrically connected devices in the display device provided in the embodiment of the utility model. Fig.11 It is only a schematic illustration, but does not limit the specific positions of the first device q1 and the second device q2. The first device q1 and the second device q2 only need to be located on both sides of the plurality of limiting structures 19 in the second direction f2.

[0093] Optionally, two limiting structures 19 are provided on each support rod 152, and the two limiting structures 19 are respectively located at the two ends of the support rod 152. In this way, the distance between the two limiting structures 19 can be increased, the number of limiting structures 19 can be reduced, and the overall structure can be simplified. Under this structure, the connecting line s1 can pass through multiple limiting structures 19 in an S shape among the multiple limiting structures 19. Specifically, the connecting line s1 can first pass through the two limiting structures 19 on a support rod 152, and then pass through a limiting structure at one end of the support rod 152 adjacent to the support rod 152, and then pass through a limiting structure 19 at the other end of the adjacent support rod 152, and so on, so as to pass through multiple limiting structures 19.

[0094] In an exemplary embodiment, the second device q2 is a controller 17, and the first device q1 includes at least one sensor. The sensor can be used to collect various data and transmit them to the controller 17, so that the controller 17 controls the shaft motor assembly and the lead screw motor assembly based on the data.

[0095] Optionally, refer to Figure 5 The display device further includes a first sensor t1, the first sensor t1 and the controller ( Figure 5 ) electrical connections.

[0096] The first sensor t1 is located at the screen shaft 12, and is used to obtain the rotation angle of the screen shaft 12. The controller can control the screen shaft 12 based on the rotation angle of the screen shaft 12 collected by the first sensor t1, so that the rotation angle of the screen shaft 12 can be precisely controlled, and then when the flexible screen is pulled out of the screen shaft 12 by the lead screw motor assembly, a pulling force can be applied by precisely controlling the rotation angle of the screen shaft 12, so that the friction and rebound force during the movement of the flexible screen can be offset by the pulling force, thereby improving the flatness of the flexible screen and improving user experience.

[0097] Optionally, the display device further includes a second sensor, and the second sensor is electrically connected to the controller;

[0098] The second sensor is located at the lead screw motor assembly and is used to obtain the rotation angle of the lead screw. Similar to the above-mentioned first sensor, the control component can obtain the rotation angle of the lead screw collected by the second sensor, and then can achieve the effect of precise control of the rotation angle of the screen shaft 12. Exemplarily, the control component can accurately control the length of the flexible screen pulled out by the lead screw motor assembly. On the one hand, it can avoid the problem of the flexible screen being uneven due to the length of the flexible screen being pulled out being too short, and on the other hand, it can avoid the problem of how much force the flexible screen is subjected to (which may cause damage to the flexible screen) due to the length of the flexible screen being pulled out being too long.

[0099] Please refer to Fig.11 The second shell 18 includes a holding shell 181 and a first bracket 182. The holding shell 181 is connected to the first bracket 182. The controller 17 is located on the first bracket 182. The holding shell 181 is connected to the second edge of the flexible screen. The first bracket 182 is a bracket inside the display device. The first bracket 182 can be used to set some structures inside the display device. For example, the first bracket 182 can be provided with a circuit board (such as a motherboard), a vacuum chamber (Vapor Chambers, VC) heat sink, a battery, and a graphene sheet. In addition, please refer to Fig.13 , Fig.13 yes Fig.11The schematic diagram of the structure of the holding shell in the display device shown is that the holding shell 181 can be used for being held by a user so that the user can hold the display device stably.

[0100] When the display device is to be converted to the unfolded state, the controller can control the lead screw motor assembly in the display device to start, and the lead screw motor assembly is used to control the slider to move on the lead screw to drive the telescopic bracket to extend, so as to pull the flexible screen out of the screen shaft, so as to convert the display device to the unfolded state. When the display device is to be converted to the retracted state, the controller can control the shaft motor assembly in the display device to start, and the shaft motor assembly is used to drive the screen shaft to rotate, so as to wrap the flexible screen around the screen shaft, so as to convert the display device to the retracted state.

[0101] Exemplarily, a physical button (such as a lock screen button or an independent state conversion case) may be provided in the display device, and the user may trigger the display device to convert between the folded state and the expanded state, or a virtual button may be displayed on the flexible screen of the display device, and the user may trigger the display device to convert between the folded state and the expanded state by triggering the virtual button, or the display device may also send instructions to the controller through received voice instructions to trigger the display device to convert between the folded state and the expanded state. In addition, the display device may also accept instructions sent by an external control device to trigger the display device to convert between the folded state and the expanded state, and the control device may be a smart wearable device (such as a smart watch, a smart bracelet, a smart ring, and smart glasses, etc.), or may be an independent control device for controlling the display device, and the embodiments of the utility model are not limited to this.

[0102] In addition, the controller can also trigger the display device to switch between the folded state and the unfolded state under the control of some preset instructions. For example, the preset instructions for triggering the switch to the unfolded state may include: triggering the unfolding instruction when the display device is turned on; triggering the unfolding instruction when the display device plays a video; triggering the unfolding instruction when the display device starts a preset application (App) (the preset application can be set by the user, or some applications can be set by the system by default, such as a painting program, a text reading program, a photo browsing program, and a photo and video editing program, etc.). The preset instructions for triggering the switch to the unfolded state may include: triggering the shrinking instruction when the display device is turned off; triggering the shrinking instruction when a lock screen instruction is received, etc.

[0103] Also, please refer to Fig.14 , Fig.14 yes Fig.11A schematic diagram of the structure of a first shell in the display device shown is shown, in which a screen hinge is provided in the first shell 11, and the first shell 11 may have an accommodating space inside, the size of which can meet the entire structure of the screen hinge and the flexible screen when the flexible screen is completely wrapped around the screen hinge.

[0104] Please refer to Fig. 9 , Fig.15 as well as Fig.16 , Fig.15 yes Fig.11 A schematic diagram of the structure of the middle part, Fig.16 yes Fig.15 Another schematic diagram of the partial structure shown. The display device also includes a telescopic rail 21, which includes a first strip rail 211, a second strip rail 212 and at least one middle strip rail 213. The first strip rail 211, the at least one middle strip rail 213 and the second strip rail 212 are slidably connected in sequence along the telescopic direction of the telescopic rail 21, and the telescopic direction of the telescopic rail 21 is parallel to the telescopic direction f2 of the telescopic bracket; the first strip rail 211 is connected to the first shell 11, and the second strip rail 212 is connected to the second shell 18. Fig.15 yes Fig.11 A schematic diagram of the structure of the middle telescopic slide rail 21 in a retracted state, Fig.15 yes Fig.11 The schematic diagram of the structure of the telescopic rail 21 shown is in the unfolded state. Optionally, among the first strip rail 211, the second strip rail 212 and at least one middle strip rail 213, in any two slidably connected strip rails, one strip rail may include a protruding structure extending along the length direction of the strip rail, the size of the protruding structure at one end away from the strip rail is larger than the size at one end close to the strip rail, and the other strip rail has a strip groove that matches the shape of the protruding structure (similar in shape), so that the strip groove of such a structure can clamp the protruding structure to prevent the two strip rails from moving relative to each other in a direction perpendicular to the length of the strip rails, and allow the two strip rails to slide relative to each other in a direction parallel to the length of the strip rails, and in addition, the strip rails also have a limiting structure, which is used to prevent the two slidably connected strip rails from detaching from each other in a direction parallel to the length of the strip rails. Such a structure can realize the extension and retraction of the telescopic rail.

[0105] The telescopic slide rail 21 can be used to improve the overall strength of the display device, to improve the stability of the display device during folding or unfolding, and to reduce the deformation that may occur after the display device is unfolded. The telescopic slide rail 21 under the above structure is simple in structure, strong and stable, and has a low failure rate.

[0106] Optionally, refer to Fig.11 , Fig.15 as well as Fig.16 , one end d1 of the first strip rail 211 is connected to the first shell; the telescopic rail 21 includes a first connector r1 and a second connector r2, the first connector r1 is respectively connected to the first strip rail 211 and the motor bracket 161, and the second connector r2 is respectively connected to the second strip rail 212 and the second shell 18. The first connector r1 can realize the fixed connection between the first strip rail 211 and the motor bracket 161, on this basis, the first strip rail 211 is fixedly connected to the first shell 11 and the motor bracket 161, and the motor bracket 161 is also fixedly connected to the first shell 11, so that the stability of the connection between the telescopic rail 21 and the first shell 11 can be improved.

[0107] Optionally, the first connector r1 is located at the end of the first strip track 211 away from the first housing 11, so that the stability of the end of the first strip track 211 away from the first housing 11 can be improved, thereby further improving the stability of the connection between the telescopic slide rail 21 and the first housing 11. In addition, the first connector r1 can be an L-shaped plate, and the two plate surfaces of the L-shaped plate are respectively fixedly connected (for example, screwed) to the first strip track 211 and the motor bracket 161. The L-shaped plate has a simple and strong structure and can achieve the function of the first connector r1.

[0108] Optionally, refer to Fig. 9 , the second connecting member r2 is respectively connected to the second strip rail 212 and the first bracket 182 in the second shell 18. Thus, a structure in which the second connecting member r2 is connected to the second shell 18 is provided. Compared with the structure in which the end of the second strip rail 212 is connected to the second shell 18, this connection structure is more solid and reduces the risk of damage to the connection between the second strip rail 212 and the second shell 18 due to external force.

[0109] Optionally, refer to Fig.11 The number of the telescopic rails 21 is 2, and the two telescopic rails 21 are respectively located on both sides of the telescopic bracket 15 in the first direction f1, and the first direction f1 is a direction perpendicular to the telescopic direction f2 of the telescopic bracket 15. In this way, the overall strength of the display device can be further improved, and the stability of the display device during the folding or unfolding process can be improved, so as to further reduce the deformation that may occur after the display device is unfolded.

[0110] Fig.17 yes Figure 1 A schematic cross-sectional structure diagram of a display device shown in FIG. 1 (the cross-section is a plane perpendicular to the display surface of the flexible screen and the axis of the screen rotation axis), comprising Fig.17It can be seen that the display device is in a folded state, and the flexible screen 14 includes a part wrapped around the screen hinge 12 and a part located outside the screen hinge 12. A part of the flexible screen 14 located outside the screen hinge 12 is located between the first shell 11 and the second shell 12, and this part of the flexible screen can realize the display function in the folded state.

[0111] Fig.18 yes Figure 1 A schematic diagram of a cross-sectional structure of a display device shown in FIG. 1 (the cross-section is a plane perpendicular to the display surface of the flexible screen and the axis of the screen rotation axis), referring to Fig.18 It can be seen that the telescopic bracket 18 and the lead screw motor assembly 16 are arranged in sequence in a direction away from the flexible screen 14. The telescopic bracket 18 contacts the back of the flexible screen 14 to always support the flexible screen 14 during the process of unfolding and folding the flexible screen 14, thereby improving the supporting effect of the flexible screen 14, improving the flatness of the flexible screen 14 in various states, and improving the display effect of the flexible screen.

[0112] Fig.19 yes Figure 1 A cross-sectional structural diagram of a display device shown in FIG. 1 (the cross-section is a plane perpendicular to the display surface of the flexible screen and the axis of the screen shaft), wherein the display device further includes a circuit board 22, which can be disposed in a first bracket ( Fig.19 In addition, the display device may also include structures such as a chip-on-film (COF) and a printed circuit board (PCB).

[0113] Fig. 20 yes Figure 1 A schematic diagram of a cross-sectional structure of a display device shown in FIG. 1 (the cross-section is a surface perpendicular to the display surface of the flexible screen and parallel to the axis of the screen rotation axis), Fig.21 yes Fig. 20 A structural diagram of a part of the structure in the display structure shown ( Fig.21 is a structural diagram of the rear shell in the retracted state). Fig. 22 yes Fig.21 Another structural diagram of the structure shown in ( Fig. 22 yes Fig.21 Schematic diagram of the structure of the rear shell in the unfolded state). Please refer to Fig. 20 , Fig.21 as well as Fig. 22The display device further comprises a rear shell 23, which comprises a plurality of mutually nested U-shaped shells 231, wherein the plurality of U-shaped shells 231 form a telescopic drawer structure to protect the internal structure of the display device and enhance the aesthetics of the display device. The structure of the rear shell 23 of the display device can be as follows: Figure 6 As shown, it can be seen that the rear shell 23 of the drawer structure can wrap the internal structure of the display device to provide protection. In addition, the rear shell 23 can also improve the structural stability of the display device when it is folded and unfolded. Exemplarily, the retracted length of the rear shell in the folded state can be about 71 mm (such as plus or minus 10 mm), and the length in the unfolded state can be about 355 mm (such as plus or minus 10 mm), and the storage ratio is 5:1.

[0114] To summarize, the embodiments of the utility model provide a display device including a first shell, a screen hinge, a hinge motor assembly, a flexible screen, a telescopic bracket, a lead screw motor assembly, a controller and a second shell. When the flexible screen is unfolded, the lead screw motor assembly can control the movement of the slider on the lead screw under the control of the controller to drive the telescopic bracket to extend, so as to pull the flexible screen out of the screen hinge. When the flexible screen is folded, the hinge motor assembly can drive the screen hinge to rotate under the control of the controller, so as to apply a pulling force to the flexible screen and wrap the flexible screen around the screen hinge. In this way, the flexible screen can be wrapped flatly around the screen hinge, thereby reducing the possibility of damage to the flexible screen and achieving the effect of improving the life of the display device.

[0115] Fig.23 : is a method flow chart of a method for controlling a display device provided by an embodiment of the utility model. The method can be applied to a controller of any display device provided by the above embodiments. The method may include the following steps:

[0116] Step 2301: When receiving the unfolding instruction, the lead screw motor assembly in the display device is controlled to start, and the lead screw motor assembly is used to control the movement of the slider on the lead screw to drive the telescopic bracket to extend, so as to pull the flexible screen out from the screen shaft.

[0117] Step 2302: When a contraction instruction is received, the shaft motor assembly in the display device is controlled to start, and the shaft motor assembly is used to drive the screen shaft to rotate so as to wrap the flexible screen around the screen shaft.

[0118] The expansion instruction and the contraction instruction may be triggered by a user or by a controller based on a preset instruction.

[0119] The display device may be provided with a physical button (such as a lock screen button or an independent state transition case), and the user may issue an expansion command or a contraction command by triggering the physical button, or a virtual button may be displayed on the flexible screen of the display device, and the user may issue an expansion command or a contraction command by triggering the virtual button, or the display device may also issue an expansion command or a contraction command to the controller through a received voice command. In addition, the display device may also accept an expansion command or a contraction command sent by an external control device, and the control device may be a smart wearable device (such as a smart watch, a smart bracelet, a smart ring, and smart glasses, etc.), or an independent control device for controlling the display device, and the embodiments of the utility model are not limited to this.

[0120] In addition, the controller may also trigger and receive an expansion instruction or a contraction instruction under the control of some preset instructions. For example, the preset instructions for triggering the expansion instruction may include: triggering the expansion instruction when the display device is turned on; triggering the expansion instruction when the display device plays a video; triggering the expansion instruction when the display device starts a preset application (App) (the preset application may be set by the user, or some applications may be set by the system by default, such as a painting program, a text reading program, a photo browsing program, and a photo and video editing program, etc.). The preset instructions for triggering the expansion instruction may include: triggering the contraction instruction when the display device is turned off; triggering the contraction instruction when a lock screen instruction is received, etc.

[0121] In summary, the embodiment of the utility model provides a control method for a display device, wherein the control component can control the slider to move on the lead screw under the control of the controller when receiving an expansion instruction, and drive the telescopic bracket to extend so as to pull the flexible screen out of the screen shaft. When receiving a contraction instruction, the shaft motor component can drive the screen shaft to rotate under the control of the controller to apply a pulling force to the flexible screen and wind the flexible screen around the screen shaft, so that the flexible screen can be smoothly wound around the screen shaft, reducing the possibility of damage to the flexible screen and achieving the effect of increasing the life of the display device. In addition, user operations are simplified and user experience is improved.

[0122] In addition, an embodiment of the utility model further provides a display device, the display device includes a processor and a memory, the memory stores at least one instruction, at least one program, code set or instruction set, and the at least one instruction, at least one program, code set or instruction set is loaded and executed by the processor to implement the control method of the display device as described above. The processor may be a controller in the display device provided in the above embodiment.

[0123] In addition, an embodiment of the utility model also provides a non-volatile computer storage medium, in which at least one instruction, at least one program, code set or instruction set is stored, and the at least one instruction, at least one program, code set or instruction set is loaded and executed by a processor to implement the control method of the display device as described above.

[0124] In the present utility model, the term "at least one of A and B" is only a description of the association relationship of the associated objects, indicating that there can be three kinds of relationships. For example, at least one of A and B can be represented by: A exists alone, A and B exist at the same time, and B exists alone. Similarly, "at least one of A, B, and C" means that there can be seven kinds of relationships, indicating: A exists alone, B exists alone, C exists alone, A and B exist at the same time, A and C exist at the same time, C and B exist at the same time, and A, B, and C exist at the same time. Similarly, "at least one of A, B, C, and D" means that there can be fifteen kinds of relationships, indicating: A exists alone, B exists alone, C exists alone, D exists alone, A and B exist at the same time, A and C exist at the same time, A and D exist at the same time, C and B exist at the same time, D and B exist at the same time, C and D exist at the same time, A, B, and C exist at the same time, A, B, and D exist at the same time, B, C, and D exist at the same time, and A, B, C, and D exist at the same time.

[0125] It should be noted that in the accompanying drawings, the sizes of layers and regions may be exaggerated for clarity of illustration. It is also understood that when an element or layer is referred to as being "on" another element or layer, it may be directly on the other element, or there may be an intermediate layer. In addition, it is understood that when an element or layer is referred to as being "under" another element or layer, it may be directly under the other element, or there may be more than one intermediate layer or element. In addition, it is also understood that when a layer or element is referred to as being "between" two layers or two elements, it may be the only layer between the two layers or two elements, or there may also be more than one intermediate layer or element. Similar reference numerals throughout the text indicate similar elements.

[0126] In the present invention, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. The term "plurality" refers to two or more, unless otherwise clearly defined.

[0127] In the several embodiments provided by the present utility model, it should be understood that the disclosed devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

[0128] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0129] A person skilled in the art will understand that all or part of the steps to implement the above embodiments may be accomplished by hardware or by instructing related hardware through a program, and the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a disk or an optical disk, etc.

[0130] The above description is only an optional embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A display device, characterized in that: The display device comprises: a first housing, a screen shaft, a shaft motor assembly, a flexible screen, a telescopic bracket, a lead screw motor assembly, a controller and a second housing; The screen shaft and the shaft motor assembly are located in the first shell, and the flexible screen includes a first edge and a second edge opposite to each other in the unfolded state, the first edge is connected to the screen shaft, and the second edge is connected to the second shell; One end of the telescopic bracket is connected to the first housing, and the other end is connected to the second housing. The lead screw motor assembly includes a motor bracket, a lead screw, and a slider located on the lead screw. The motor bracket is connected to the first housing, and the slider is connected to the telescopic bracket. The lead screw motor assembly is used to drive the slider to move on the lead screw to drive the telescopic bracket to extend and retract. The shaft motor assembly includes a shaft motor and a transmission member, wherein the transmission member is linked with the shaft motor and the screen shaft respectively, and the shaft motor is used to drive the screen shaft to rotate; The controller is electrically connected to the lead screw motor assembly and the rotating shaft motor assembly respectively.

2. The display device according to claim 1, characterized in that The number of the rotating shaft motor assemblies is at least two, and the at least two rotating shaft motor assemblies include a first rotating shaft motor assembly and a second rotating shaft motor assembly. The transmission member in the first rotating shaft motor assembly is linked to one end of the screen rotating shaft, and the transmission member in the second rotating shaft motor assembly is linked to the other end of the screen rotating shaft.

3. The display device according to claim 1, characterized in that The number of the screw motor assemblies is at least two, and the at least two screw motor assemblies include a first screw motor assembly and a second screw motor assembly. The first screw motor assembly and the second screw motor assembly are respectively located on both sides of the telescopic bracket in a first direction, and the first direction is a direction perpendicular to the telescopic direction of the telescopic bracket.

4. The display device according to claim 1, characterized in that The telescopic bracket includes a plurality of beams arranged along a second direction and a plurality of support rods located between two adjacent beams among the plurality of beams, both ends of the support rods having gear structures, the gear structures of the support rods on both sides of the beams are respectively rotatably connected to the beams, and the gear structures of the support rods on both sides of the beams are meshed with each other, and the second direction is a direction parallel to the telescopic direction of the telescopic bracket; The back side of the flexible screen contacts the telescopic bracket.

5. The display device according to claim 4, characterized in that: The slider of the lead screw motor assembly is connected to the crossbeam.

6. The display device according to claim 4, characterized in that: The plurality of beams include a first beam and a second beam, and in the second direction, the first beam and the second beam are arranged alternately; One side of the first crossbeam has two support rods, and one side of the second crossbeam has at least 2*n support rods, where n is a positive integer greater than or equal to 2.

7. The display device according to claim 4, characterized in that: The display device further includes a first component, a second component, a connecting line and a plurality of limiting structures; The plurality of limiting structures are located on the plurality of support rods, and each of the limiting structures comprises a limiting hole; The first device and the second device are respectively located on both sides of the plurality of limiting structures in the second direction, one end of the connecting line is connected to the first device, and the other end passes through the limiting holes of the plurality of limiting structures and is connected to the second device.

8. The display device according to claim 7, characterized in that: The second device is the controller, and the first device includes at least one sensor.

9. The display device according to claim 7, characterized in that: Two limiting structures are arranged on each of the support rods, and the two limiting structures are respectively located at two ends of the support rod.

10. The display device according to claim 1, characterized in that The display device further includes a first sensor, wherein the first sensor is electrically connected to the controller; The first sensor is located at the screen rotation axis and is used to obtain the rotation angle of the screen rotation axis.

11. The display device according to claim 1, characterized in that: The display device further includes a second sensor, the second sensor being electrically connected to the controller; The second sensor is located at the lead screw motor assembly and is used to obtain the rotation angle of the lead screw.

12. The display device according to claim 10 or 11, characterized in that: The second shell includes a holding shell and a first bracket, the holding shell is connected to the first bracket, the controller is located on the first bracket, and the holding shell is connected to the second edge of the flexible screen.

13. The display device according to claim 1, characterized in that The display device further comprises a transmission member bracket located in the first housing; The transmission member includes a first gear, a second gear and a third gear. The first gear is connected to the screen shaft, the third gear is linked to the shaft motor, the second gear is rotatably connected to the transmission member bracket, and the second gear is respectively meshed with the first gear and the third gear.

14. The display device according to claim 13, characterized in that: The shaft motor assembly also includes a reducer, which is located in the first shell. The reducer and the shaft motor are arranged in the first shell along the length direction of the screen shaft. The reducer includes an input shaft and an output shaft, the input shaft is connected to the shaft motor, and the output shaft is connected to the third gear.

15. The display device according to claim 1, characterized in that: The display device further includes a telescopic slide rail, the telescopic slide rail includes a first strip rail, a second strip rail and at least one middle strip rail, the first strip rail, the at least one middle strip rail and the second strip rail are slidably connected in sequence along a telescopic direction of the telescopic slide rail, and the telescopic direction of the telescopic slide rail is parallel to the telescopic direction of the telescopic bracket; The first strip-shaped track is connected to the first shell, and the second strip-shaped track is connected to the second shell.

16. The display device according to claim 15, characterized in that: One end of the first strip track is connected to the first shell; The telescopic slide rail includes a first connecting member and a second connecting member, the first connecting member is respectively connected to the first strip track and the motor bracket, and the second connecting member is respectively connected to the second strip track and the second shell.

17. The display device according to claim 16, characterized in that: The second housing includes a grip shell and a first bracket, the grip shell is connected to the first bracket, the controller is located on the first bracket, and the grip shell is connected to the second edge of the flexible screen; The second connecting member is connected to the second strip track and the first bracket respectively.

18. The display device according to claim 15, characterized in that: The number of the telescopic slide rails is 2, and the two telescopic slide rails are respectively located on both sides of the telescopic bracket in a first direction, where the first direction is a direction perpendicular to the telescopic direction of the telescopic bracket.

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