Display device

Abstract

The utility model relates to a display device. The display device comprises a fixed display panel, at least one movable display panel, a state adjusting mechanism and a first driving mechanism, wherein the state adjusting mechanism is connected with the fixed display panel and the movable display panel; the first driving mechanism is connected with the state adjusting mechanism, and the first driving mechanism is configured to drive the movable display panel to rotate relative to the fixed display panel around the circumferential direction of a central axis, so that the display device is switched between a stacked state and an unfolded state; the stacking direction of the display panel is defined as a first direction; the central axis extends in the first direction. Through the arrangement, the display screen does not need to be folded, the display area can be better protected, and the service life is prolonged; the movable display panel is not limited in the circumferential direction of the movable display panel, can freely stretch and is convenient to carry after being rotated to be stacked with the fixed display panel, and the problem that durability and portability are difficult to consider when an existing large screen is used is solved.

Description

Technical Field

[0001] This application relates to the field of electronic equipment technology, and in particular to a display device. Background Technology

[0002] With the development of the large-screen era, people are pursuing larger screens, higher resolutions, and more immersive visual effects, making the development of large screens an industry trend. However, as screen sizes increase, the overall size of the device also increases, gradually reducing portability, which undoubtedly affects consumers' enthusiasm for using it.

[0003] Based on this, with the further development of screens, OLED (Organic Light-Emitting Diode) screens have appeared in the public eye. Since OLED screens do not require a backlight, the screens can be bent and folded, resulting in foldable screens and rollable screens.

[0004] However, foldable screens are prone to scratches or damage during frequent folding and unfolding, resulting in a short lifespan; the limited storage space of rollable screens restricts the size of the screen that can be extended or retracted, and large rollable screens are still not convenient to carry. Utility Model Content

[0005] Therefore, it is necessary to provide a display device that addresses the problems of creases, short lifespan, and portability associated with current large-screen displays.

[0006] A display device includes a fixed display panel, at least one movable display panel, a state adjustment mechanism, and a first drive mechanism, wherein:

[0007] The status adjustment mechanism connects the fixed display panel and the movable display panel;

[0008] The first driving mechanism is connected to the state adjustment mechanism. The first driving mechanism is configured to drive the movable display panel to rotate relative to the fixed display panel in a circumferential direction around a central axis, so that the display device switches between a stacked state and an unfolded state.

[0009] The stacking direction of the display panel is defined as the first direction;

[0010] The central axis extends along the first direction.

[0011] In one embodiment, the display device further includes a second driving mechanism connected to the state adjustment mechanism and the movable display panel. The second driving mechanism is configured to drive the movable display panel to move along the first direction, thereby switching the display device between the unfolded state and the tiled coplanar state.

[0012] In one embodiment, the state adjustment mechanism includes a substrate and a transmission plate stacked on the substrate along the first direction. The substrate is connected to the fixed display panel, and the number of transmission plates is the same as the number of movable display panels. Each transmission plate is connected to one of the movable display panels.

[0013] In one embodiment, the first drive mechanism includes a first drive member and a gear assembly connected to the output end of the first drive member, the gear assembly being connected to the state adjustment mechanism.

[0014] In one embodiment, the gear assembly includes a sun gear and planet gears, wherein:

[0015] The sun gear is rotatably mounted on the substrate and connected to the output end of the first drive unit;

[0016] The number of planetary gears is the same as the number of transmission plates. The planetary gears are meshed with the sun gear and are also meshed with the transmission plates one by one.

[0017] In one embodiment, the interior of the transmission plate is formed with transmission teeth that mesh with the planetary gears.

[0018] In one embodiment, the number of teeth in the transmission teeth of each transmission plate gradually increases or decreases along the direction toward the substrate.

[0019] In one embodiment, the tooth count variation trend of each planetary gear along the direction toward the substrate is synchronized with the tooth count variation trend of the transmission gear.

[0020] In one embodiment, the second drive mechanism includes a first gear, a first rack meshing with the first gear, and a second drive member; one of the first gear and the first rack is disposed on the state adjustment mechanism, and the other is disposed on the movable display panel; the output end of the second drive member is connected to the first gear or the first rack on the movable display panel.

[0021] In one embodiment, the substrate is provided with a first groove, the transmission plate is provided with a first channel, and the first groove and the first channel are configured to mount the first gear or the first rack.

[0022] In the unfolded state, the first groove and the first channel can be connected to form a moving channel, and the number of the moving channels is equal to the number of the moving display panels.

[0023] The aforementioned display device, through the provision of a first driving mechanism, is configured to drive a movable display panel to rotate relative to a fixed display panel in a circumferential direction around a central axis, thereby switching the display device between a stacked state and an unfolded state. Compared to foldable screens that extend the display area through folding, this application eliminates the need for a folding display, better protecting the display area and extending its lifespan. Compared to rollable screens, whose limited storage space restricts screen extension, the movable display panel of this application is unrestricted in its circumferential direction, allowing for free extension. After rotating to stack with the fixed display panel, it is also easy to carry, solving the current problem of balancing durability and portability in large-screen applications. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the stacked state of the display device provided in this application.

[0025] Figure 2 A schematic diagram showing the unfolded state of the display device provided in this application.

[0026] Figure 3 This is a schematic diagram of the tiled coplanar state of the display device provided in this application.

[0027] Figure 4 An exploded view of the structure of the display device provided in this application.

[0028] Figure 5 A schematic diagram of the first drive mechanism provided in this application.

[0029] Figure 6 for Figure 4 A magnified schematic diagram of the structure at point A in the middle.

[0030] in:

[0031] 10. Display device; z. First direction;

[0032] 100. First drive mechanism; 110. Gear assembly; 111. Sun gear; 112. Planet gear; 112a. First driven gear; 112b. Second driven gear; 112c. Third driven gear; 122. Fixed shaft; 123. Limiting plate;

[0033] 200. Fixed display panel; 210. Second sidewall; 220. Mud-fitting protrusion;

[0034] 300, movable display panel; 300a, first panel; 300b, second panel; 300c, third panel; 310, first sidewall; 320, third sidewall; 330, first protrusion; 331, receiving groove; 340, first surface;

[0035] 400. Second drive mechanism; 410. First gear; 420. First rack; 430. First receiving shaft;

[0036] 500, State adjustment mechanism; 510, Base plate; 511, Docking groove; 512, First groove; 520, Transmission plate; 520a, First toothed ring; 520b, Second toothed ring; 520c, Third toothed ring; 521, Transmission teeth; 522, First channel. Detailed Implementation

[0037] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0038] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0039] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0040] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0041] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0042] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0043] See Figure 1 and Figure 2 As shown, Figure 1 This is a schematic diagram of the stacked state of the display device 10 provided in this application. Figure 2 This is a schematic diagram of the unfolded state of the display device 10 provided in this application. One embodiment of the display device 10 provided in this application includes a fixed display panel 200, at least one movable display panel 300, a state adjustment mechanism 500, and a first drive mechanism 100.

[0044] The state adjustment mechanism 500 connects the fixed display panel 200 and the movable display panel 300; the first drive mechanism 100 is connected to the state adjustment mechanism 500, and the first drive mechanism 100 is configured to drive the movable display panel 300 to rotate relative to the fixed display panel 200 in a circumferential direction around a central axis, so that the display device 10 switches between a stacked state and an unfolded state; the stacking direction of the display panel is defined as the first direction z; the central axis extends along the first direction z.

[0045] It should be noted that, in the initial state, the movable display panel 300 and the fixed display panel 200 are stacked along the first direction z. When the movable display panel 300 is unfolded relative to the fixed display panel 200, the movable display panel 300 and the fixed display panel 200 are offset along the first direction z, and the movable display panel 300, which was originally hidden under the fixed display panel 200, is exposed, thereby extending the overall size of the display panel. When the movable display panel 300 and the fixed display panel 200 are stacked, that is, when the movable display panel 300 and the fixed display panel 200 are stacked along the first direction z, the movable display panel 300 can be stored, making it convenient to carry the display device 10.

[0046] In a specific configuration, along the direction away from the fixed display panel 200, the first drive mechanism 100 drives the rotation angle of the multiple movable display panels 300 to increase or decrease sequentially, so that the multiple movable display panels 300 unfold into a spiral structure starting from the fixed display panel 200, thereby expanding the display area; when it is necessary to store them, the first drive mechanism 100 drives the multiple movable display panels 300 to rotate, so that the multiple movable display panels 300 are stacked with the fixed display panel 200.

[0047] The aforementioned display device 10, through the provision of a first driving mechanism 100, is configured to drive the movable display panel 300 to rotate relative to the fixed display panel 200 in a circumferential direction around a central axis, thereby switching the display device 10 between a stacked state and an unfolded state. Compared to foldable screens that extend the display area by folding: this application eliminates the need for folding the display screen, thus better protecting the display area and extending its service life; compared to rollable screens whose limited storage space restricts screen extension: the movable display panel 300 of this application is unrestricted in its circumferential direction and can extend freely. After rotating to stack with the fixed display panel 200, it is easy to carry, solving the problem of difficulty in balancing durability and portability in current large-screen applications.

[0048] For a better visual effect, when the movable display panel 300 is unfolded, it and the fixed display panel 200 form a circle. To facilitate this arrangement, a preferred embodiment involves setting a first angle value, which is the ratio of 360° to the sum of the number of fixed display panels 200 and movable display panels 300. The movable display panels 300 adjacent to the fixed display panel 200 are controlled to rotate by the first angle value or the difference between 360° and the first angle value. The rotation angle difference between two adjacent movable display panels 300 is controlled to be the first angle value. Specifically, the number of movable display panels 300 can be one, two, three, four, five, or more.

[0049] With the above settings, when there is one movable display panel 300, the movable display panel 300 rotates 180° and aligns with the fixed display panel 200 to form a circle; when there are two movable display panels 300, the movable display panel 300 closer to the fixed display panel 200 rotates 120° or 240°, and the movable display panel 300 farther from the fixed display panel 200 rotates correspondingly 240° or 120°, so the two movable display panels 300 and the fixed display panel 200 form a circle. Taking three mobile display panels 300 as an example, the mobile display panel 300 closest to the fixed display panel 200 rotates 90° or 270°, the middle mobile display panel 300 rotates 180°, and the mobile display panel 300 furthest from the fixed display panel 200 rotates 270° or 90°, so that the mobile display panels 300 and the fixed display panel 200 form a circle. The relationship between the rotation angle and the number of mobile display panels 300 can be deduced in the same way, and no further examples are given here.

[0050] Combination Figure 3 As shown, Figure 3 This is a schematic diagram of the display device 10 provided in this application in a tiled coplanar state. To provide a superior visual experience, the display areas need to be coplanar. Therefore, to facilitate the coplanarization of the movable display panel 300 and the fixed display panel 200, in a preferred embodiment, the display device 10 further includes a second driving mechanism 400. The second driving mechanism 400 is connected to the state adjustment mechanism 500 and the movable display panel 300. The second driving mechanism 400 is configured to drive the movable display panel 300 to move along a first direction z, thereby switching the display device 10 between an unfolded state and a tiled coplanar state.

[0051] In a specific configuration, the movable display panel 300 is movably mounted on the state adjustment mechanism 500 along the first direction z. During operation, the first movement value is set to the thickness of the movable display panel 300; the second drive mechanism 400 is used to drive the movable display panel 300 adjacent to the fixed display panel 200 to move by the first movement value; the second drive mechanism is also used to drive the movement difference between two adjacent movable display panels 300 to the first movement value, thereby achieving coplanarity or non-coplanarity between the movable display panels 300 and the fixed display panel 200 in each layer. It should be noted that the non-coplanarity state is the state when the movable display panel 300 is unfolded.

[0052] Combination Figure 4 As shown, Figure 4This is an exploded view of the structure of the display device 10 provided in this application. In order for the display device 10 to be easily switched between a stacked state, an unfolded state, and a flat coplanar state, the state adjustment mechanism 500 includes a substrate 510 and a transmission plate 520 stacked on the substrate 510 along the first direction z. The substrate 510 is connected to and fixed to the display panel 200. The number of transmission plates 520 is the same as the number of movable display panels 300. Each transmission plate 520 is connected to a movable display panel 300.

[0053] In a specific configuration, the movable display panel 300 is movably mounted on the transmission plate 520 along the first direction z. Through this configuration, the first drive mechanism 100 drives the transmission plate 520 to rotate, thereby rotating the movable display panel 300. This causes the movable display panel 300 to unfold or stack relative to the fixed display panel 200. In the unfolded state, the second drive mechanism drives the movable display panel 300 to move along the first direction z towards the fixed display panel 200 with a first movement value, so that the movable display panel 300 and the fixed display panel 200 are coplanar and flat, thus enabling the switching between different states of the display device 10.

[0054] In specific configuration, in order to facilitate the installation and removal of the substrate 510 and the fixed display panel 200, the fixed display panel 200 is provided with a mating protrusion 220, and the substrate 510 is provided with a mating groove 511 that matches the mating protrusion 220.

[0055] Combination Figure 5 As shown, Figure 5 This is a schematic diagram of the structure of the first drive mechanism 100 provided in this application. To facilitate the design of the first drive mechanism 100, it specifically includes a first drive member (not shown in the figure) and a gear assembly 110 connected to the output end of the first drive member. The gear assembly 110 is connected to the state adjustment mechanism 500. With the above configuration, the first drive member drives the gear assembly 110 to rotate, causing the gear assembly 110 to rotate the transmission plate 520 in the state adjustment mechanism 500, thereby causing the movable display panel 300 connected to the transmission plate 520 to rotate relative to the fixed display panel 200. In a specific configuration, the first drive member can be a rotary motor.

[0056] To facilitate the design of the gear assembly 110, the gear assembly 110 includes a sun gear 111 and planet gears 112. The sun gear 111 is rotatably mounted on the substrate 510 and is connected to the output end of the first driving member. The number of planet gears 112 is the same as the number of transmission plates 520. The planet gears 112 are meshed with the sun gear 111, and each planet gear 112 is meshed with a transmission plate 520. With the above arrangement, the first driving member drives the sun gear 111 to rotate relative to the substrate 510. The sun gear 111 drives the planet gears 112 to rotate, causing the transmission plate 520 meshing with the planet gears 112 to rotate, thereby driving the movable display panel 300 connected to the transmission plate 520 to rotate.

[0057] It should be noted that the transmission plate 520 has annular transmission teeth 521 inside, which mesh with the planetary gears 112. In order to better fix the planetary gears 112, more specifically, the gear assembly 110 also includes a fixed shaft 122 disposed on the base plate 510, and the planetary gears 112 are rotatably sleeved on the fixed shaft 122 relative to the fixed shaft 122.

[0058] To facilitate the sequential unfolding of multiple movable display panels 300 relative to the fixed display panel 200, in a specific configuration, the number of teeth 521 in the transmission teeth 521 of each transmission plate 520 gradually increases or decreases along the direction towards the substrate 510. Through this configuration, multiple transmission plates 520 unfold around the same rotation axis at different rotation angles. Specifically, multiple transmission plates 520 arranged along the first direction z can all be fitted onto a planetary gear 112. In the direction towards the fixed display panel 200, the transmission ratio between the transmission teeth 521 on the multiple transmission plates 520 and the planetary gear 112 increases or decreases sequentially. When the first driving member drives the sun gear 111 to rotate, causing the planetary gear 112 meshing with the sun gear 111 to rotate, the planetary gear 112 drives the multiple transmission plates 520 to rotate in the direction towards the fixed display panel 200, with the rotation angle correspondingly decreasing or increasing sequentially. This results in the multiple transmission plates 520 unfolding in a spiral shape, thereby enabling the multiple movable display panels 300 to unfold sequentially relative to the fixed display panel 200.

[0059] To improve the stability of the gear transmission process, more specifically, there are multiple planetary gears 112, which are arranged sequentially around the first direction z. Each planetary gear 112 meshes with a corresponding transmission plate 520. The number of teeth on each planetary gear 112 changes synchronously with the number of teeth on the transmission gears 521 along the direction towards the base plate 510. That is, as the number of teeth on the transmission gears 521 increases sequentially, the number of teeth on the planetary gears 112 also increases sequentially. In a specific configuration, the lengths of the multiple fixed shafts 122 corresponding to the multiple planetary gears 112 increase sequentially, so that the multiple planetary gears 112 can mesh sequentially with the stacked transmission plates 520. To prevent the planetary gears 112 from rising or falling during rotation, a limit plate 123 is also provided on the fixed shaft 122 to restrict the axial movement of the planetary gears 112 along the fixed shaft 122.

[0060] See again Figure 4 This application uses three movable display panels 300 as an example for illustration. In the direction away from the fixed display panel 200, the three movable display panels 300 are respectively the first panel 300a, the second panel 300b and the third panel 300c. The transmission plates 520 connected to the first panel 300a, the second panel 300b and the third panel 300c are respectively the first gear ring 520a, the second gear ring 520b and the third gear ring 520c. The planetary gears 112 that mesh with the first gear ring 520a, the second gear ring 520b and the third gear ring 520c are respectively the first driven gear 112a, the second driven gear 112b and the third driven gear 112c. Preferably, the sun gear 111 has 20 teeth, the first driven gear 112a, the second driven gear 112b, and the third driven gear 112c have 50, 20, and 10 teeth respectively, and the first gear ring 520a, the second gear ring 520b, and the third gear ring 520c have 120, 60, and 40 teeth respectively, to achieve a first angle value of 90°. It should be noted that the number of teeth on the sun gear 111, planet gears 112, and transmission plate 520 is not limited to the above values; the transmission ratio can be designed according to the required first angle value.

[0061] Combination Figure 4 and Figure 6 As shown, Figure 6 for Figure 4 The enlarged schematic diagram of the structure at point A shows that, in order to facilitate the design of the second drive mechanism 400, in a specific configuration, the second drive mechanism 400 includes a first gear 410, a first rack 420 meshing with the first gear 410, and a second drive member (not shown in the figure); one of the first gear 410 and the first rack 420 is disposed on the state adjustment mechanism 500, and the other is disposed on the movable display panel 300; the output end of the second drive member is connected to the first gear 410 or the first rack 420 on the movable display panel 300.

[0062] In a specific configuration, in order to facilitate the placement of either the first gear 410 or the first rack 420 in the state adjustment mechanism 500, the base plate 510 is provided with a first groove 512, and the transmission plate 520 is provided with a first channel 522 that extends through itself along the first direction z. The first groove 512 and the first channel 522 are configured to install either the first gear 410 or the first rack 420.

[0063] See again Figure 2 As shown, in order to facilitate the movement of the movable display panel 300 along the first direction z to be coplanar with the substrate 510, in the unfolded state, the first groove 512 and the first channel 522 can be connected to form a moving channel, and the number of moving channels is equal to the number of movable display panels 300. Through the above arrangement, the corresponding first rack 420 or first gear 410 on the movable display panel 300 can move along the first channel 522 to the first groove 512, thus achieving coplanarity between the movable display panel 300 and the substrate 510.

[0064] In a specific configuration, along the direction toward the substrate 510, the lowest transmission plate 520 has a first channel 522. In two adjacent transmission plates 520, the upper transmission plate 520 has one more first channel 522 than the lower transmission plate 520. The first channels 522 in the transmission plates 520 adjacent to the substrate 510 are connected to the plurality of first grooves 512 in the substrate 510 in a one-to-one correspondence. It should be noted that in the transmission plates 520 with multiple first channels 522, the first channels 522 are spaced apart along the rotation direction of the transmission plate 520 to satisfy a first angle value.

[0065] See again Figure 6 To ensure the movable display panel 300 and the state adjustment mechanism 500 are shaped to fit together, the movable display panel 300 is provided with a first protrusion 330 that is compatible with the moving channel. The first protrusion 330 is configured to mount either the first gear 410 or the first rack 420. With this configuration, when the first gear 410 is mounted on the first protrusion 330, the second driving member drives the first gear 410 to rotate, causing the first gear 410 to rise and fall along the first rack 420, thereby enabling the first gear 410 to drive the movable display panel 300 to rise and fall. The second driving member can be a rotary motor. When the first rack 420 is mounted on the first protrusion 330, the second driving member drives the first rack 420 to rise and fall, thereby enabling the first rack 420 to drive the movable display panel 300 to rise and fall. The second driving member can be a linear motor.

[0066] In order to improve integration and save installation space, the first protrusion 330 is further provided with a receiving groove 331, which is used to install the first gear 410 or the first rack 420.

[0067] In order for the first gear 410 to be rotatably mounted on the first projection 330 or the state adjustment mechanism 500, the second drive mechanism 400 further includes a first receiving shaft 430. The first gear 410 is sleeved on the first receiving shaft 430 so as to be rotatable relative to the first receiving shaft 430, and the first receiving shaft 430 is fixed to the first projection 330 or the state adjustment mechanism 500.

[0068] Refer again to Figure 5 As shown, in order to improve the user's visual experience, the first groove 512 does not penetrate through to the display surface of the substrate 510. So that after the first groove 512 accommodates the first projection 330, the display surface of the substrate 510 covers the first projection 330, avoiding the appearance of the first projection 330 from affecting the visual effect.

[0069] Refer to Figure 2 As shown in the figure, in order to provide a better display effect, when the movable display panel 300 is moved to be coplanar with the substrate 510 under the drive of the second drive mechanism 400, the first surface 340 on the side of the movable display panel 300 close to the substrate 510 matches the outer peripheral surface of the substrate 510. In order to facilitate the matching of the movable display panel 300 with the substrate 510, the substrate 510 is preferably circular, and the movable display panel 300 is provided with an arc groove adapted thereto. It should be noted that the shape of the substrate 510 is not limited to the above-mentioned circle, and can be any geometric figure such as an ellipse, a rectangle, etc., as long as the surface shape of the movable display panel 300 is adapted to the outer contour of the substrate 510.

[0070] To further improve the user's visual enjoyment, specifically, the outer contours of the movable display panel 300 and the fixed display panel 200 facing away from the substrate 510 form a closed loop. In specific settings, the shapes of the movable display panel 300 and the fixed display panel 200 can be rectangular, and the two form a rectangular sealing ring when coplanar; the movable display panel 300 and the fixed display panel 200 can also be fan-shaped, and the two form a circular or fan-shaped sealing ring when coplanar; the movable display panel 300 and the fixed display panel 200 can also be triangular or other polygons, and the two form a polygonal sealing ring when coplanar. It should be noted that the shapes of the movable display panel 300 and the fixed display panel 200 are not limited to the above structures, and the shapes of the movable display panel 300 and the fixed display panel 200 can be different, as long as the structure can make the outer contours of the movable display panel 300 and the fixed display panel 200 facing away from the substrate 510 form a closed loop. The area within the closed loop is the display area.

[0071] To achieve a seamless display area and improve the user viewing experience, each adjacent movable display panel 300 and fixed display panel 200 has a first sidewall 310 and a second sidewall 210 that are close to each other and match in shape. In specific configurations, the first sidewall 310 and the second sidewall 210 can be formed by a concave-convex fit to create a flat surface, or they can be two flat surfaces that are horizontally joined together.

[0072] When there are multiple movable display panels 300, after the multiple movable display panels 300 are unfolded, two adjacent movable display panels 300 have two third sidewalls 320 that are close to each other. The two third sidewalls 320 are adapted in shape, that is, various shapes of concave-convex fits or both are flat surfaces. For ease of production, the movable display panels 300 and the fixed display panel 200 are all the same shape, and the two movable display panels 300 and the movable display panel 300 and the fixed display panel 200 are preferably planar butt joints.

[0073] This application also provides a method of using the display device 10, including the following steps:

[0074] Step S1: Provide a controller that is communicatively connected to the first drive mechanism 100. In specific settings, the controller is also communicatively connected to the second drive mechanism 400.

[0075] In step S2: First, step S21 is performed, where the controller controls the first drive mechanism 100 to drive the movable display panel 300 to rotate, so that the movable display panel 300 unfolds relative to the fixed display panel 200 in a circumferential direction defined by a central axis, thereby expanding the display area. Here, the central axis extends along the first direction z, and at this time, the fixed display panel 200 and the movable display panel 300 form a spiral structure along the first direction z. Then, step S22 is performed, where the controller controls the second drive mechanism 400 to drive the movable display panel 300 to move along the first direction z, so that the movable display panel 300 and the fixed display panel 200 are coplanar.

[0076] After the display device 10 is used, step S3 is performed: In this process, first step S31 is performed, the controller controls the second drive mechanism 400 to drive the movable display panel 300 back along the first direction z, so that the movable display panel 300 moves back to the corresponding transmission plate 520; then step S32 is performed, the controller controls the first drive mechanism 100 to drive the transmission plate 520 to rotate the movable display panel 300, so that the movable display panel 300 is stacked on the fixed display panel 200 in the first direction z, making it easy to carry.

[0077] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0078] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A display device, characterized in that, The display device includes a fixed display panel (200), at least one movable display panel (300), a state adjustment mechanism (500), and a first drive mechanism (100), wherein: The state adjustment mechanism (500) connects the fixed display panel (200) and the movable display panel (300); The first driving mechanism (100) is connected to the state adjustment mechanism (500). The first driving mechanism (100) is configured to drive the movable display panel (300) to rotate relative to the fixed display panel (200) in a circumferential direction around a central axis, so that the display device switches between a stacked state and an unfolded state. The stacking direction of the display panel is defined as the first direction (z); The central axis extends along the first direction (z).

2. The display device according to claim 1, characterized in that, The display device further includes a second driving mechanism (400), which is connected to the state adjustment mechanism (500) and the movable display panel (300). The second driving mechanism (400) is configured to drive the movable display panel (300) to move along the first direction (z), thereby switching the display device between the unfolded state and the tiled coplanar state.

3. The display device according to claim 2, characterized in that, The state adjustment mechanism (500) includes a substrate (510) and a transmission plate (520) stacked on the substrate (510) along the first direction (z). The substrate (510) is connected to the fixed display panel (200). The number of transmission plates (520) is the same as the number of movable display panels (300). Each transmission plate (520) is connected to a movable display panel (300).

4. The display device according to claim 3, characterized in that, The first drive mechanism (100) includes a first drive member and a gear assembly (110) connected to the output end of the first drive member. The gear assembly (110) is connected to the state adjustment mechanism (500).

5. The display device according to claim 4, characterized in that, The gear assembly (110) includes a sun gear (111) and planet gears (112), wherein: The sun gear (111) is rotatably mounted on the substrate (510) and connected to the output end of the first drive member; The number of planetary gears (112) is the same as the number of transmission plates (520). The planetary gears (112) are meshed with the sun gear (111) and are meshed with the transmission plates (520) one by one.

6. The display device according to claim 5, characterized in that, The transmission plate (520) has transmission teeth (521) inside that mesh with the planetary gear (112).

7. The display device according to claim 6, characterized in that, Along the direction toward the substrate (510), the number of teeth of the transmission teeth (521) in each of the transmission plates (520) gradually increases or gradually decreases.

8. The display device according to claim 7, characterized in that, Along the direction toward the substrate (510), the tooth count variation trend of each planetary gear (112) is synchronized with the tooth count variation trend of the transmission gear (521).

9. The display device according to claim 3, characterized in that, The second drive mechanism (400) includes a first gear (410), a first rack (420) meshing with the first gear (410), and a second drive member; one of the first gear (410) and the first rack (420) is disposed on the state adjustment mechanism (500), and the other is disposed on the movable display panel (300); the output end of the second drive member is connected to the first gear (410) or the first rack (420) on the movable display panel (300).

10. The display device according to claim 9, characterized in that, The substrate (510) is provided with a first groove (512), and the transmission plate (520) is provided with a first channel (522). The first groove (512) and the first channel (522) are configured to install the first gear (410) or the first rack (420). In the unfolded state, the first groove (512) and the first channel (522) can be connected to form a moving channel, and the number of the moving channels is equal to the number of the moving display panels (300).

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