CN214663293U

CN214663293U - Display device and display device with spliced screen

Info

Publication number: CN214663293U
Application number: CN202023338494.4U
Authority: CN
Inventors: 许惠贞; 黄佐贤; 罗浩昇
Original assignee: Anhui Hongcheng Opto Electronics Co Ltd
Current assignee: Anhui Hongcheng Opto Electronics Co Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-11-09
Anticipated expiration: 2030-12-30

Abstract

The application relates to a display device and a display device with a spliced screen, wherein the display device comprises a display screen and a mounting frame, the display screen is of a rectangular structure and is provided with a first screen side edge and a second screen side edge which are opposite, and a screen top edge and a screen bottom edge which are connected with the first screen side edge and the second screen side edge; the mounting frame comprises a supporting seat, a rotating seat and a first locking mechanism, wherein the supporting seat is provided with a first seat side edge and a second seat side edge which are opposite along the horizontal direction; the rotating seat is rotatably arranged on the supporting seat around a rotating shaft vertical to the display screen and can be locked with the supporting seat through the first locking mechanism; the rotating shaft is positioned on a central plane parallel to the width direction of the display screen, and the distances from the rotating shaft to the side edges of the first seat and the second seat are respectively smaller than or equal to the distance from the rotating shaft to the top edge of the display screen. The display device and the display method can improve the convenience and comfort of a user using the display device or the display device.

Description

Display device and display device with spliced screen

Technical Field

The application relates to the technical field of display screens, in particular to a display device and a display device with a spliced screen.

Background

Display device is most to dispose fixed supporting seat, directly puts on the desktop, along with people's complexity of working, often needs to watch many screens simultaneously, and especially sometimes needs many screens to use as the expansion screen. Among the prior art, directly move each display device, place them together, however this kind of mode is when a plurality of screens are close to, and two adjacent display devices still keep original horizontal direction unchangeable, and original being horizontal screen promptly, still being horizontal screen, original to erecting the screen, still be erecting the screen, the user can't adjust according to the needs of oneself, and the user is very inconvenient when watching, and brings the discomfort.

SUMMERY OF THE UTILITY MODEL

Based on the above-mentioned current situation, the main objective of this application is to provide a display device and have display device of concatenation screen to improve convenience and the comfort level that the user used.

In order to achieve the purpose, the technical scheme adopted by the application is as follows:

a first aspect of the present application provides a display device, including a display screen and a mounting frame, where the display screen is a rectangular structure, and has a first screen side edge and a second screen side edge which are opposite to each other, and a screen top edge and a screen bottom edge which connect the first screen side edge and the second screen side edge;

the mounting frame comprises a supporting seat, a rotating seat and a first locking mechanism, wherein the supporting seat is provided with a first seat side edge and a second seat side edge which are opposite along the horizontal direction; the rotating seat is rotatably arranged on the supporting seat around a rotating shaft vertical to the display screen and can be locked with the supporting seat through the first locking mechanism;

the rotating shaft is positioned on a central plane parallel to the width direction of the display screen, and the distances from the rotating shaft to the side edges of the first seat and the second seat are respectively smaller than or equal to the distance from the rotating shaft to the top edge of the display screen.

Optionally, a distance between the first seat side edge and the second seat side edge is equal to a length of the display screen, and distances from the rotating shaft to the screen top edge, the first seat side edge and the second seat side edge are half of the length of the display screen.

Optionally, the device further comprises a sliding seat and a second locking mechanism, wherein a first sliding rail extending along the vertical direction is arranged on the supporting seat, and the sliding seat is slidably mounted on the first sliding rail and can be locked with the supporting seat through the second locking mechanism; the rotating seat is rotatably arranged on the sliding seat.

Optionally, the sliding seat has a lowermost position and an uppermost position relative to the support seat;

when the length direction of the display screen is in a horizontal state and the sliding seat is located at the lowest position, a gap is reserved between the bottom edge of the display screen and the bottom edge of the supporting seat.

Optionally, a sliding stroke of the sliding seat is greater than or equal to a preset stroke, the preset stroke is determined according to the width, the length and a spacing distance of the display screen, wherein the spacing distance is a distance between the bottom edge of the screen and the bottom edge of the support seat when the length direction of the display screen is in a horizontal state and the sliding seat is located at the lowest position.

Optionally, the first slide rails are arranged in parallel, the sliding seat has two corresponding slide blocks, and the two slide blocks are respectively slidably mounted on the two first slide rails and are respectively locked by the second locking mechanism.

Optionally, the first locking mechanism comprises a rotation groove and a limiting protrusion sliding along the rotation groove, and the rotation groove extends around the circumferential direction of the rotation shaft; a first limit surface extending vertically and a second limit surface extending horizontally are respectively arranged at two ends of the rotating groove; the rotating groove is formed in the sliding seat, and the limiting protrusion is arranged on the rotating seat.

A second aspect of the present application provides a display apparatus with a tiled screen, including a first display device and a second display device, where the first display device and the second display device are both any of the above display devices.

Optionally, the display device further comprises a base, a first connecting seat and a second connecting seat, wherein the first connecting seat and the second connecting seat are movably mounted on the base along a direction close to or away from each other, the supporting seat of the first display device is mounted on the first connecting seat, and the supporting seat of the second display device is mounted on the second connecting seat.

Optionally, the base is provided with a second slide rail extending along a direction in which the first connecting seat and the second connecting seat are close to each other, and the first connecting seat and the second connecting seat are slidably mounted on the second slide rail respectively.

According to the display equipment, the mounting frame comprises the rotating seat and the supporting seat which are connected in a rotating mode, the rotating shaft is located on the central plane parallel to the width direction of the display screen, and the distance from the rotating shaft to the side edge of the first seat and the distance from the rotating shaft to the side edge of the second seat are respectively smaller than or equal to the distance from the rotating shaft to the top edge of the screen, so that the display screen can rotate freely relative to the supporting seat, a user can select to adopt a transverse screen or a vertical screen according to the own requirements, especially when a plurality of display equipment are spliced for use, the user can simultaneously rotate to form the transverse screen or the vertical screen according to the needs, one of the transverse screen and the other of the transverse screen and the vertical screen, and therefore the comfort level of the user is improved; and the display screen can achieve similar effect no matter clockwise rotation or anticlockwise rotation, so that the use convenience of the display equipment is further improved.

Other advantages of the present application will be described in the detailed description, and those skilled in the art will understand the technical features and technical solutions presented in the description.

Drawings

Alternative embodiments of the present application will be described below with reference to the accompanying drawings. In the figure:

FIG. 1 is a schematic diagram of an alternative embodiment of a display device provided herein;

FIG. 2 is an exploded view of an alternative embodiment of a display device provided herein;

3-6 are state diagrams of a process of rotating from one state to another state in an alternative embodiment of the display device provided herein;

FIG. 7 is a schematic diagram of an alternative embodiment of a display device provided herein;

fig. 8-10 are schematic structural diagrams of different states of use of an alternative embodiment of the display device provided in the present application.

In the figure:

10. a display screen; 11. a first screen side; 12. a second screen side; 13. a screen top edge; 14. a screen bottom edge;

20. a mounting frame; 21. a supporting seat; 211. a first seat side; 212. a second seat side; 213. the bottom edge of the seat; 214. a first slide rail; 22. a rotating seat; 23. a sliding seat;

100. a first display device;

200. a second display device.

Detailed Description

The present application is described below based on examples, but the present application is not limited to only these examples. In the following detailed description of the present application, certain specific details are set forth in order to avoid obscuring the nature of the present application, well-known methods, procedures, and components have not been described in detail.

Further, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.

Unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, what is meant is "including, but not limited to".

In the description of the present application, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present application, "a plurality" means two or more unless otherwise specified.

For convenience of description of each embodiment in the text, a rectangular coordinate system is established with a view angle of a use state of the display device, an X direction is a horizontal direction, a Y direction is a vertical direction, and a Z direction is a thickness direction of the display screen, that is, the thickness direction Z is perpendicular to the display screen; in the present specification, the "top" and the "bottom" are both referred to in the vertical direction, and the top is located above and the bottom is located below, and specifically, the "top" and the "bottom" of the display screen are described when the length direction of the display screen is in the horizontal direction and the height direction or the width direction is in the vertical direction.

The present application provides a display device, as shown in fig. 1-6, the display device includes a display screen 10 and a mounting frame 20, the display screen 10 is a rectangular structure having a first screen side 11 and a second screen side 12 opposite to each other, and a screen top edge 13 and a screen bottom edge 14 connecting the first screen side 11 and the second screen side 12, that is, the first screen side 11 and the second screen side 12 are opposite to each other in a length direction, and the screen top edge 13 and the screen bottom edge 14 are opposite to each other in a width direction. The mounting bracket 20 includes a supporting base 21, a rotating base 22 and a first locking mechanism (not shown in the figure), the supporting base 21 has a first base side 211 and a second base side 212 opposite to each other along the horizontal direction X; the rotating base 22 is rotatably mounted on the supporting base 21 around a rotating shaft perpendicular to the display screen 10, and can be locked with the supporting base 21 by a first locking mechanism, that is, the rotating shaft is parallel to the thickness direction Z, and after the rotating base 22 is rotated to a position required by a user, the rotating base 22 is locked by the first locking mechanism to prevent the rotating base from rotating relative to the supporting base 21.

Above-mentioned display device, through setting up relative pivoted and rotating seat 22 and supporting seat 21, the user can rotate display screen 10 according to the demand of oneself, and then selects to adopt horizontal screen or erect the screen, especially when a plurality of display device splices and uses, the user can rotate simultaneously for horizontal screen or erect the screen as required, also can be one for horizontal screen, another is erecting the screen to improve user's comfort level. Fig. 3 to 6 show the change of the display screen 10 from horizontal screen to vertical screen, specifically, the display screen 10 in fig. 3 is in horizontal screen, and its length direction is consistent with the horizontal direction and its width direction is consistent with the vertical direction; in fig. 6, the display screen 10 is in a vertical screen state, and the length direction is consistent with the vertical direction, and the width direction is consistent with the horizontal direction; fig. 4 and 5 are schematic diagrams of two states in the process of rotating the display screen.

Further, the rotation axis is located on the center plane parallel to the width direction of the display screen 10, the distances from the rotation axis to the first seat side 211 and the second seat side 212 are respectively smaller than or equal to the distances from the rotation axis to the screen top edge 13, that is, as shown in fig. 3, the distance from the rotation axis to the screen top edge 13 is L1, the distance from the rotation axis to the first seat side 211 is L2, and the distance from the rotation axis to the second seat side 212 is L3, then L2 and L3 are equal and are respectively smaller than or equal to L1, so that the same effect can be achieved regardless of whether the display screen 10 rotates clockwise or counterclockwise, thereby further improving the convenience of the display device. And when display screen 10 rotated to erecting the screen, supporting seat 21 can not be because display screen 10 is erecting the screen and stretches out display screen 10, consequently, two display device can be very close when erecting the screen laminating, just as a screen to increase user's comfort level, especially when expanding the screen and showing especially obvious.

Specifically, the display screen 10 includes a bottom case and a screen body, the screen body is mounted on the bottom case, and the rotating base 22 is connected to one side of the bottom case departing from the screen body. The specific size of the display screen 10 may be any size, and in an alternative embodiment, the width of the display screen 10 is greater than half of its length and less than its length, in this embodiment, if the display screen is changed from a horizontal screen to a vertical screen, it may be that the display screen 10 exceeds the first seat side 211 or the second seat side 212, so that when two electronic devices are spliced, the two display screens 10 may directly contact each other, which may easily damage the display screen 10. To solve this problem, in an alternative embodiment of the present application, the distance between the first seat side 211 and the second seat side 212 is equal to the length of the display screen 10, the distance between the rotation axis and the top panel edge 13 is half of the length of the display screen 10, and the distance between the rotation axis and the first seat side 211 and the second seat side 212 is also equal to half of the length of the display screen 10, i.e. L1, L2, and L3 are equal and equal to half of the length of the display screen 10, so that when the display screen 10 rotates to the vertical panel, the top panel edge 13 is exactly overlapped with the first panel side 11 or the second panel side 12 when the display screen is in the horizontal panel and overlapped with the first seat side 211 or the second seat side 212, so that when two display devices are spliced, the support seats 21 of the two display devices are in direct contact, and the two display devices 10 are not pressed too tightly due to the limitation of the support seats 21, thereby protecting the display screens 10, and the two display devices are basically butted seamlessly, the splicing effect of the display equipment can be improved.

Specifically, the supporting base 21 may be placed on a desktop, or may be mounted on a wall, and when it is placed on the desktop, the display screen 10 may interfere with the desktop during the rotation process, and to solve this problem, in an embodiment, the rotation axis is directly set higher, i.e. the rotation axis is larger than the base bottom edge 213 of the supporting base 21.

In another embodiment, the display device further includes a sliding seat 23 and a second locking mechanism (not shown in the figure), the supporting seat 21 is provided with a first sliding rail 214 extending along the vertical direction Y, the sliding seat 23 is slidably mounted on the first sliding rail 214 and can be locked with the supporting seat 21 by the second locking mechanism, that is, the sliding seat 23 can slide along the vertical direction Y relative to the supporting seat 21, and when the sliding seat 23 slides to a proper position, the sliding seat 23 and the supporting seat 21 are locked by the second locking mechanism to prevent relative displacement between the two in subsequent use. In this embodiment, the rotating seat 22 is rotatably mounted on the sliding seat 23, that is, the rotating seat 22 is rotatably mounted on the supporting seat 21 through the sliding seat 23, so that the rotating seat 22 can rotate around the rotating shaft relative to the supporting seat 21 and can also slide along the vertical direction Y, when the display screen 10 needs to be changed from a horizontal screen to a vertical screen, the display screen 10 (with the rotating seat 22 and the sliding seat 23) only needs to slide for a certain distance relative to the supporting seat 21, and after being locked by the second locking mechanism, the display screen 10 is rotated and locked by the first locking mechanism, so as to realize the vertical screen mode.

Further, the sliding seat 23 has a lowest position and a highest position with respect to the supporting seat 21, that is, the sliding seat 23 has a sliding stroke with respect to the supporting seat 21, and at a first end of the sliding stroke, that is, the lowest position, the sliding seat 23 or the rotation axis is closest to the seat bottom edge 213, and at a second end of the sliding stroke, that is, the highest position, the sliding seat 23 or the rotation axis is farthest from the seat bottom edge 213. In the lowest position, when the length direction of the display screen 10 is in the horizontal state, the screen bottom edge 14 may be aligned with the seat bottom edge 213 (which is, of course, approximately aligned, and may leave some small clearance due to processing or assembly errors, for example, the screen bottom edge 14 is slightly higher than the seat bottom edge 213), and optionally, the screen bottom edge 14 is set higher than the seat bottom edge 213 within the error range, so that the display screen 10 can be better prevented from interfering with the desktop. Such a screen bottom edge 14 may be aligned with the seat bottom edge 213, the sliding stroke needs to be set longer, and too low a display screen 10 may cause discomfort to the user.

In an optional embodiment of the present application, when the length direction of the display screen 10 is in a horizontal state and the sliding seat 23 is at the lowest position, a gap is left between the screen bottom edge 14 and the seat bottom edge 213 of the supporting seat 21, that is, the distance between the screen bottom edge 14 and the seat bottom edge 213 is larger, and the screen bottom edge 14 is completely higher than the seat bottom edge 213, rather than a small gap caused by factors such as processing and assembling, so that when the display screen is horizontal, the height of the display screen 10 is increased, and the comfort of a user is improved; on the other hand, the entire sliding stroke can be set shorter, thereby increasing the stability of the sliding.

Specifically, the sliding stroke of the sliding seat 23 is greater than or equal to a preset stroke, and the preset stroke is determined according to the width y of the display screen 10, the length x of the display screen 10, and a spacing distance z, where the spacing distance z is a distance between the screen bottom edge 14 and the seat bottom edge 213 of the supporting seat 21 when the length direction of the display screen 10 is in a horizontal state and the sliding seat 23 is at the lowest position. Specifically, the preset stroke C may be calculated as follows:

after the arrangement is adopted, the interference between the display screen 10 and a desktop during rotation can be better avoided.

It should be noted that, a sufficient sliding stroke may be set, and when the display screen is being traversed, the user may slide the display screen 10 directly as needed to make it rotate after the display screen is at a proper height. Of course, the above-described arrangement of the slide stroke may be adopted when the support base 21 is mounted on the wall.

Specifically, first slide rail 214 can be provided with one, in order to increase the gliding stability of sliding seat 23, first slide rail 214 parallel arrangement has two, sliding seat 23 has two sliders that correspond (not shown in the figure), two sliders are respectively slidable mounting in two first slide rails 214, and lock through second locking mechanism respectively, that is to say, first slide rail 214, slider and second locking mechanism are provided with two sets ofly, so, can enough increase the support to display screen 10 in the slip process, can increase the locking reliability of sliding seat 23 and supporting seat 21 again, thereby increase the rotatory reliability of follow-up display screen 10. The first slide rail 214 may be a U-shaped groove, a dovetail groove, etc., and the structure of the slide block is only required to be matched with it.

The second locking mechanism may include a screw hole provided in the first slide rail 214 and a locking screw engaged with the screw hole, and when the sliding seat 23 slides to a proper position, the locking is realized by the locking screw abutting against the sliding seat; or a screw hole is arranged on the sliding block and is locked with the screw hole through a locking screw. The second locking mechanism may also include a locking protrusion and a locking groove that can be locked into and locked out, one of the corresponding slider and the corresponding first slide rail 214 is provided with the locking protrusion, the other is provided with the locking groove, if the first slide rail is provided with the locking groove, the slider is provided with the locking protrusion, and a plurality of locking grooves may be provided along the extending direction of the first slide rail 214 to achieve locking at different positions. Considering that the display screen 10 is generally configured as a landscape screen or a portrait screen in the present application, a second locking mechanism may be respectively disposed at two ends of the first slide rail 214, so that, at the lowest position, the display screen 10 is in a landscape screen state, and the sliding seat 23 and the supporting seat 21 are locked by the second locking mechanism; when the display screen 10 needs to be rotated to be a vertical screen, the sliding seat 23 is slid to the highest position and locked by the second locking mechanism located above, and then the display screen 10 is rotated.

The rotation of the rotating seat 22 relative to the sliding seat 23 (or the supporting seat 21) can be realized by, for example, providing a connecting shaft on the rotating seat 22, providing a connecting hole on the sliding seat 23, and rotatably matching the connecting shaft with the connecting hole; for another example, the connecting shaft may be provided in the sliding seat 23, and the connecting hole may be provided in the rotating seat 22. Further, the connection shaft may be a damping shaft to make the rotation of the display screen 10 more stable, and to prevent the free sliding of the rotation base 22 by the damping shaft. In another embodiment, the rotating seat 22 and the sliding seat 23 can be matched through a bearing; or the connecting shaft and the connecting hole are respectively connected with the inner ring and the outer ring of the bearing; of course, the two can also be connected by other rotation modes.

The first locking mechanism can be locked by a magnetic mechanism, for example, the rotating seat 22 and the sliding seat 23 are respectively provided with a magnetic part, when the rotating seat 22 rotates to a required position, the two magnetic parts are just opposite, so that the rotating seat 22 is prevented from rotating by the magnetic force of the two magnetic parts. In another embodiment, the first locking mechanism includes a rotation groove extending around the circumference of the rotation shaft and a limit protrusion disposed on the rotation seat 22 and sliding along the rotation groove, and the rotation groove may be disposed on the sliding seat 23, so that the limit protrusion cannot rotate when contacting with both ends of the rotation groove, thereby performing a certain locking function. In consideration of the application, the display screen 10 is generally only set in a vertical screen or horizontal screen state, so that a first limit surface extending vertically and a second limit surface extending horizontally are respectively arranged at two ends of the rotating groove, so that when the limit protrusion is in contact with the first limit surface, the display screen 10 is in the vertical screen state, and the display screen 10 can be prevented from continuously rotating under the action of gravity; when the limiting protrusion is in contact with the second limiting surface, the display screen 10 is in a transverse screen state, the display screen 10 can be prevented from continuously rotating, and the structure is more convenient particularly when the connecting shaft is a damping shaft. Of course, the first locking mechanism may also include a first connecting plate and a second connecting plate which are mutually rotated and oppositely arranged, on the opposite surfaces of the first connecting plate and the second connecting plate, one of the first connecting plate and the second connecting plate is provided with a circumferentially arranged limiting groove, the other one of the first connecting plate and the second connecting plate is provided with a circumferentially arranged limiting protrusion, the limiting groove is in limiting fit with the limiting protrusion, and the two can relatively circumferentially slide.

In addition, as shown in fig. 2, the supporting seat 21 may include two supporting plates that rotate relatively to each other to support the table top; or only one supporting plate can be included and directly supported on the desktop. Of course, the support plate can be hung on the wall surface. The detailed structure of the supporting seat 21 will not be described herein, and can be designed according to the requirements of the above embodiments.

The present application further provides a display apparatus with a tiled screen, as shown in fig. 7-10, including a first display device 100 and a second display device 200, where the first display device 100 and the second display device 200 are both the display devices described in any of the above. By adopting the display setting, the splicing of two transverse screens and the splicing of two vertical screens can be realized according to the needs of a user, and the splicing of one transverse screen and one vertical screen can also be realized. Particularly, when the sliding seat 23 is additionally arranged, the two display screens can be aligned according to the requirements of a user, so that the use comfort of the user is improved; through the arrangement, seamless butt joint of the two display devices after splicing can be realized, and the applicability and the comfort level of the display device are improved. As shown in fig. 7, a display device with two horizontal screens spliced is shown; FIGS. 8 and 9 show a display device with a horizontal screen and a vertical screen spliced together; fig. 9 shows a display device with two vertical screens spliced.

Specifically, first display device 100 and second display device 200 can be adjusted respectively as required and be horizontal screen or erect the screen after, remove the supporting seat 21 of the two together, in an optional embodiment of this application, display device still includes base (not shown in the figure), first connecting seat (not shown in the figure) and second connecting seat (not shown in the figure), first connecting seat and second connecting seat along being close to each other or the direction movable mounting who keeps away from in the base, the supporting seat 21 of first display device 100 is installed in first connecting seat, the supporting seat 21 of second display device 200 is installed in the second connecting seat. With the structure, when the state of each display screen 10 is adjusted, the first connecting seat and the second connecting seat can be separated from each other and then adjusted, so that interference in the rotation process of the display screen 10 is prevented; after the adjustment, the first connecting seat and the second connecting seat are close to each other, so that the two supporting seats 21 are in mutual contact to form a spliced screen, and thus, the operation of the display device is more convenient.

In one embodiment, first connecting seat and second connecting seat can be close to or keep away from through the mode realization of reciprocal swing, if the both rotate to be connected in the base, the pivot of the two can be same pivot, also can be different pivots, specifically, the pivot sets up along vertical direction Y. In another embodiment, the first connecting seat and the second connecting seat are moved closer to and away from each other by relative sliding, specifically, the base is provided with a second sliding rail (not shown in the figure) extending along a direction in which the first connecting seat and the second connecting seat are moved closer to each other, the second sliding rail can extend along the horizontal direction X, and the first connecting seat and the second connecting seat are respectively slidably mounted on the second sliding rail, so that the adjustment stability of the first display device 100 and the second display device 200 can be increased.

It will be appreciated by those skilled in the art that the alternatives described above may be freely combined, superimposed without conflict.

It will be understood that the embodiments described above are illustrative only and not restrictive, and that various obvious or equivalent modifications and substitutions for details described herein may be made by those skilled in the art without departing from the basic principles of the present application.

Claims

1. The display equipment is characterized by comprising a display screen and a mounting rack, wherein the display screen is in a rectangular structure and is provided with a first screen side edge and a second screen side edge which are opposite, and a screen top edge and a screen bottom edge which are connected with the first screen side edge and the second screen side edge;

2. The display device of claim 1, wherein the first stand side edge is spaced from the second stand side edge by a distance equal to a length of the display screen, and wherein the rotational axis is spaced from the top screen edge by a distance equal to one-half the length of the display screen.

3. The display device according to claim 1, further comprising a sliding seat and a second locking mechanism, wherein the supporting seat is provided with a first sliding rail extending in a vertical direction, the sliding seat is slidably mounted on the first sliding rail and can be locked with the supporting seat through the second locking mechanism; the rotating seat is rotatably arranged on the sliding seat.

4. The display apparatus of claim 3, wherein the slide shoe has a lowermost position and an uppermost position relative to the support shoe;

5. The display device according to claim 4, wherein the sliding travel of the sliding seat is greater than or equal to a predetermined travel determined according to the width, length and spacing distance of the display screen, wherein the spacing distance is a distance between the bottom edge of the screen and the bottom edge of the supporting seat when the sliding seat is at the lowest position and the length direction of the display screen is horizontal.

6. The display device according to claim 3, wherein the first slide rails are arranged in two parallel, the sliding base has two corresponding slide blocks, and the two slide blocks are respectively slidably mounted on the two first slide rails and respectively locked by the second locking mechanism.

7. The display device according to any one of claims 3 to 6, wherein the first locking mechanism includes a rotation groove and a stopper protrusion that slides along the rotation groove, the rotation groove extending around a circumferential direction of the rotation shaft; a first limit surface extending vertically and a second limit surface extending horizontally are respectively arranged at two ends of the rotating groove; the rotating groove is formed in the sliding seat, and the limiting protrusion is arranged on the rotating seat.

8. A display apparatus with a tiled screen, comprising a first display device and a second display device, wherein the first display device and the second display device are the display devices of any of claims 1-7.

9. The display device according to claim 8, further comprising a base, a first connecting seat and a second connecting seat, wherein the first connecting seat and the second connecting seat are movably mounted on the base in a direction approaching or separating from each other, the supporting seat of the first display apparatus is mounted on the first connecting seat, and the supporting seat of the second display apparatus is mounted on the second connecting seat.

10. The display device according to claim 9, wherein the base is provided with a second slide rail extending in a direction in which the first and second connection bases approach each other, and the first and second connection bases are slidably mounted on the second slide rail, respectively.