TW201932747A - Display device - Google Patents

Abstract

A display device includes a display panel having opposite display surface and rear surface, a rear casing having an opening disposed on the display panel to enclose an accommodation space with the rear surface of the display panel, a mounting plate partially inserted into the opening along the rear surface to be detachably disposed in the accommodation pace, and a restricting member disposed in the accommodation space to limit movement of the mounting plate relative to the rear casing.

Description

Display device

The present invention generally relates to a display device, and more particularly to a display device having a detachable wall panel.

With the advent of flat panel display devices, the display device is arranged in a manner that adds to the wall-mounted variation in addition to the conventional vertical. However, the wall mounting method of the conventional display device is to open a plurality of screw holes in the rear casing of the display device, and then lock the housing of the display device through the screw holes through the external fixing frame, so that the rear housing must have a thick design. Thinned. Moreover, the opening of the rear housing has a plurality of screw holes, so that the design of the rear housing is limited, and the user's aesthetic needs are not met.

It is an object of the present invention to provide a display device having a detachable wall panel so that the display device can be arranged differently depending on the needs of use.

Another object of the present invention is to provide a display device having a support base for accommodating a wall panel to solve the problem of storage when the wall panel is idle, and to enhance the structural strength of the support base.

Still another object of the present invention is to provide a display device having a wall-mounted panel that is easy to install/disassemble and supports at a plurality of points to enhance assembly and supportability when the display device is wall-mounted, and to enhance the aesthetic appearance.

In one embodiment, the display device of the present invention comprises a display panel, a back shell, a wall panel and a positioning member, wherein the display panel has opposite display surfaces and a back surface; the back shell is disposed on the display panel and is enclosed with the back surface of the display panel. Space, the back shell has an insertion opening, and the vertical projection of the insertion opening toward the display panel is within the range of the back surface; the wall hanging panel enters the insertion opening along the back surface to be detachably inserted into the accommodating space; the positioning member is at least partially disposed In the accommodating space, the movement of the wall panel relative to the back shell is restricted.

In one embodiment, the back shell has a first screw hole, and the wall panel has a second screw hole, and the positioning member is a screw. When the wall hanging plate portion is inserted into the back shell, the screw passes through the second screw hole and the first screw hole to lock the wall hanging plate and the back shell.

In an embodiment, the wall hanging plate has a card slot, and the positioning component is a clamping post disposed in the receiving space, the engaging post has a hook portion, and when the wall hanging plate portion is inserted into the back shell, the hook portion is engaged with the card groove.

In one embodiment, the display device of the present invention further includes a guiding portion, wherein the guiding portion is disposed in the accommodating space, and the guiding portion limits the lateral displacement of the wall hanging plate relative to the insertion opening.

In one embodiment, the display device of the present invention further includes a support frame, wherein the support frame is disposed on the back surface of the display panel and in the back cover, and the snap post is disposed on the support frame and extends along the direction in which the wall mount enters the insertion opening.

In one embodiment, the back shell has a through hole, and the engaging post further has a pressing portion, and the pressing portion is exposed from the back shell corresponding to the through hole. When the pressing portion is applied, the engaging post moves relative to the back shell to drive the hook The part is separated from the card slot, and the wall plate is allowed to be separated from the back case from the insertion port.

In an embodiment, the support frame further has a guiding portion, wherein the guiding portion limits the lateral displacement of the wall panel relative to the insertion opening.

In one embodiment, the guiding portion includes a guiding groove and a stopping portion, the guiding groove communicates with the insertion opening, the wall hanging plate moves along the guiding groove relative to the insertion opening, and the blocking portion is disposed at one end of the guiding groove with respect to the insertion opening to block The movement of the wall panel.

In one embodiment, the display device of the present invention further includes a reinforcing plate, wherein the reinforcing plate covers the guiding portion to enhance the structural strength of the guiding portion.

In one embodiment, the display device of the present invention further includes a shutter, wherein the shutter is movably disposed on the back shell to selectively shield or open the insertion opening.

In one embodiment, the back shell further has a first positioning hole and a second positioning hole. The first positioning hole is disposed at one end of the insertion port, and the second positioning hole is disposed at the back shell and located at the insertion port away from the first positioning hole. The shielding member has a positioning post, and one end of the shielding member is rotatably coupled to the insertion opening, so that the positioning post selectively engages with the first positioning hole or the second positioning hole to shield or open the insertion opening.

In one embodiment, the display device of the present invention further includes a support base, wherein the support base is detachably coupled to the back cover to support the display panel on the bearing surface.

In one embodiment, the support base has a receiving portion. When the support base supports the display panel on the carrying surface, the wall hanging plate is detached from the back cover and received in the receiving portion.

In one embodiment, the back shell covers only the lower portion of the back surface of the display panel, and the back shell has an upper surface, and the insertion opening is disposed on the upper surface such that the wall panel enters the insertion opening from the top to the bottom along the back surface.

In one embodiment, the screw has a first segment of thread and a second segment of the thread, wherein the first segment of the thread and the second segment of the thread are separated by a spacing corresponding to a gap between the first screw hole and the second screw hole.

In one embodiment, the wall panel has at least one hanging hole, and when the wall panel portion is inserted into the back shell, at least one hanging hole is outside the back shell.

Compared with the prior art, the display device of the present invention only needs to insert the wall hanging plate into the insertion opening of the back shell from top to bottom, and the wall hanging plate can be fixed to make the display device be wall-mounted. Furthermore, the display device of the present invention can utilize multiple points to support the wall hanging plate to increase the supportability of the wall hanging plate, and use the supporting seat to accommodate the idle wall hanging plate to solve the storage problem of the wall hanging plate and improve the structural strength of the supporting seat.

1‧‧‧ display device

10‧‧‧ display panel

10a‧‧‧ accommodating space

12‧‧‧ Display surface

14‧‧‧ Back

20, 20’‧‧‧ Back shell

20a‧‧‧ upper surface

22‧‧‧Inlet

24‧‧‧First screw hole

26‧‧‧through hole

28a‧‧‧First positioning hole

28b‧‧‧Second positioning hole

30‧‧‧Wall board

32‧‧‧ hanging holes

34‧‧‧Second screw hole

36‧‧‧ card slot

40‧‧‧ screws

42‧‧‧first thread

44‧‧‧second thread

50‧‧‧Support frame

52‧‧‧Cartridge

522‧‧‧K hook section

524‧‧‧ Pressing Department

54‧‧‧Guide

542‧‧‧ Guide slot

544‧‧‧stops

60‧‧‧Strengthened board

70‧‧‧ movement

80‧‧‧ Shield

82‧‧‧Positioning column

84‧‧‧Connecting Department

90‧‧‧ support

90a‧‧‧ 容部

92‧‧‧Support column

94‧‧‧Base

FIG. 1A and FIG. 1B are schematic diagrams showing the front and rear insertion of a wall panel of a display device according to an embodiment of the invention.

2 is a schematic exploded view of a display device according to an embodiment of the present invention.

3A and 3B are partial enlarged views of different viewing angles of the support frame of Fig. 2.

4A and 4B are schematic views showing the opening of the shielding member of FIG. 2 and the insertion opening of the shielding back shell, respectively.

5A and FIG. 5B are respectively cross-sectional views of the display device before and after insertion of the wall mount panel according to an embodiment of the invention.

6A and 6B are respectively schematic views of different viewing angles of a display device supported by a support base according to an embodiment of the invention.

FIG. 7 is a schematic diagram of a back shell of a display device according to another embodiment of the present invention.

The present invention relates to a display device having a wall panel that is easily removable, so that the display device can have different arrangements depending on the needs of use. Display device of the present invention In an embodiment, the display device can be implemented as a display screen for use with an information processing device (for example, a computer host), but is not limited thereto. In another embodiment, the display device of the present invention can be implemented as a display that can be used alone, such as a display with information processing functions, a television, or the like. Hereinafter, details of the display device of the embodiment of the present invention will be described in detail with reference to the drawings.

As shown in FIG. 1A and FIG. 1B, in one embodiment, the display device 1 of the present invention includes a display panel 10, a back shell 20, a wall panel 30, and a positioning member. The display panel 10 has opposite display faces 12 and back faces 14. The back shell 20 is disposed on the display panel 10 and encloses the accommodating space 10a with the back surface 14 of the display panel 10. The back shell 20 has an insertion opening 22, and a vertical projection of the insertion opening 22 in the direction of the display panel 10 is within the range of the back surface 14. The wall panel 30 enters the insertion opening 22 along the back surface 14 to be detachably partially inserted into the accommodating space 10a. The positioning member is at least partially disposed in the accommodating space 10a for restricting movement of the wall panel 30 relative to the back shell 20.

Specifically, the display panel 10 is preferably a flat panel display panel, including but not limited to a liquid crystal display panel, an organic light emitting diode display panel, an inorganic light emitting diode display panel, a quantum dot light emitting diode display panel, and an electrophoretic display panel. Or other suitable display panel. The side of the display panel 10 facing the user to display information is the display surface 12, and the side of the display panel 10 facing away from the user is the back surface 14.

The back shell 20 is disposed on the display panel 10 to enclose the accommodating space 10a with the back surface 14 of the display panel 10 for accommodating components of the display device 1. For example, the back shell 20 can be a housing having an open recessed space. When the back shell 20 is disposed on the display panel 10 by, for example, screwing, snapping, adhesively, etc., the back surface 14 of the display panel 10 is covered. The open end of the recessed space (ie, covering the back shell 20) is such that the recessed space of the back shell 20 forms a substantially enclosed accommodating space 10a. In an embodiment, the back shell 20 can be a plastic, metal casing, and the back shell 20 preferably covers only the back of the display panel 10. The lower portion of the face 14, whereby the display device 1 can have a slim profile. The back shell 20 has an upper surface 20a, and the insertion port 22 may be disposed on the upper surface 20a such that the wall panel 30 enters the insertion port 22 from the top to the bottom. In this embodiment, the upper surface 20a is preferably a plane in which the normal direction is parallel to the insertion direction of the wall panel 30, but is not limited thereto. In another embodiment, the back shell 20 can substantially cover the entire back surface 14 of the display panel 10, and the insertion opening 22 can be opened at any convenient position of the back shell 20 such that the wall panel 30 preferably follows the back surface 14 of the display panel 10. The insertion port 22 is entered from the top to the bottom. The position of the insertion opening 22 in the back shell 20 is preferably designed such that the vertical projection of the insertion opening 22 in the direction of the display panel 10 is within the range of the back surface 14, that is, the position of the insertion opening 22 in the back shell 20 is preferably The height of the back surface 14 of the display panel 10 is within a range. For example, when the wall panel 30 enters the insertion opening 22 along the back surface 14 and is partially inserted into the accommodating space 10a, the wall panel 30 exposed outside the back shell 20 is preferably substantially in the middle or the middle of the height direction of the display panel 10. The upper position makes the display device 1 have better support when it is wall-mounted, but is not limited thereto.

The wall panel 30 is preferably a flat panel member having a suitable structural strength, and is preferably made of metal (for example, iron plate, stainless steel plate, etc.), but is not limited thereto. In another embodiment, the wall panel 30 can be made of plastic. Moreover, the wall panel 30 can have different shape designs depending on the actual application, such as an L shape, a U shape, and the like. The wall panel 30 has at least one hanging hole 32. When the wall panel 30 is partially inserted into the back shell 20, at least one hanging hole 32 is outside the back shell 20. For example, the wall panel 30 has two hanging holes 32, and the two hanging holes 32 are disposed along the insertion direction, that is, upper and lower, but are not limited thereto. In another embodiment (not shown), the two wall hanging holes 32 of the wall panel 30 can be respectively disposed on opposite sides of the insertion direction, that is, left and right. Moreover, in the present embodiment, although only one wall panel 30 is shown, depending on the practical application, the wall panel 30 may not be limited to one, for example, two wall panels are disposed to the left and right. Further, the number of the wall-hanging holes 32 is not limited to two, but may be increased or decreased depending on the practical application.

When the wall panel 30 is partially inserted into the accommodating space 10a, the positioning member is used to restrict the movement of the wall panel 30 relative to the back shell 20. In this embodiment, the positioning member may be a screw 40, and the back shell 20 has a first screw hole 24, and the wall panel 30 has a second screw hole 34. When the wall panel 30 is partially inserted into the back shell 20, the screw 40 passes through the first screw hole 24 and the second screw hole 34 to lock the wall panel 30 and the back shell 20, so that the display device 1 can be supported by the wall panel 30. Hang in place.

It should be noted here that the positioning member can be implemented in different ways without being limited to the screw 40 described above, and is not limited to using only one or one positioning member. As shown in FIG. 2 , in addition to the display panel 10 , the back shell 20 , the wall panel 30 , and the screw 40 , the display device 1 further includes a support frame 50 , a reinforcing plate 60 , a movement 70 , and a shielding member . 80. The support frame 50 is disposed on the back surface 14 of the display panel 10 and in the accommodating space 10a, and can be used to support functional electronic components of the display device 1, such as the movement 70. The reinforcing plate 60 covers the partial structure of the support frame 50 to locally strengthen the structural strength of the support frame 50. The shutter 80 is movably disposed on the back shell 20 to selectively shield or open the insertion opening 22. Details of the support frame 50, the reinforcing plate 60, and the shutter 80 will be described later in detail.

2 and 3A-3B, wherein FIG. 3A and FIG. 3B are partial enlarged views of different perspectives of the support frame 50 of FIG. Specifically, the support frame 50 may be made of plastic or metal, and may be fixed to the back surface 14 of the display panel 10 by locking, snapping, adhesive, or the like. When the back cover 20 is disposed on the display panel 10, the back cover 20 preferably covers the support frame 50, so that the support frame 50 is substantially completely located in the accommodating space 10a to enhance the aesthetic appearance. In this embodiment, the wall panel 30 preferably has a card slot 36, and the back shell 20 preferably has a through hole 26. Correspondingly, the support frame 50 has an engagement post 52. The engaging post 52 is preferably an elastic column extending from the top of the support frame 50 in the insertion direction (for example, extending downward), and the engaging post 52 has a hook portion 522 and a pressing portion 524. The hook portion 522 and the pressing portion 524 are preferably disposed along the extending direction of the engaging post 52, and the pressing portion 524 is preferably close to the extending end of the engaging post 52. end. For example, the hook portion 522 may be a hook or a protrusion protruding from the engaging post 52 toward the back shell 20 , and the pressing portion 524 may be a protrusion protruding toward the back shell 20 . When the wall panel 30 is partially inserted into the back shell 20, the hook portion 52 of the hook portion 52 can serve as a positioning member for restricting the movement of the wall panel 30 relative to the back shell 20, and the pressing portion 524 corresponds to the through hole 26 from the back shell. 20 is exposed for the user to press.

In this embodiment, the support frame 50 preferably has a guiding portion 54 to limit the lateral displacement of the wall panel 30 relative to the insertion opening 22. The guiding portion 54 is a channel structure and includes a guiding groove 542 and a stopping portion 544. The guide groove 542 communicates with the insertion opening 22 such that the wall hanging plate 30 moves along the guide groove 542 with respect to the insertion opening 22 to be inserted or detached from the accommodating space 10a. The stopper portion 544 is provided at one end of the guide groove 542 with respect to the insertion opening 22 to block the movement of the wall panel 30 (for example, moving forward and backward). For example, the guiding portion 54 may be a hollow frame extending downward from the top of the self-supporting frame 50 to define the guiding groove 542 , and the engaging post 52 is located in the guiding groove 542 and movable relative to the back shell 20 . The size of the guide groove 542 preferably corresponds substantially to the size of the portion of the wall panel 30 that enters the insertion opening 22 to limit the lateral displacement of the wall panel 30 (e.g., left and right movement). The stop portion 544 can be disposed at the bottom end of the guide groove 542 to restrict the wall panel 30 from continuing to move downward, thereby supporting and positioning the wall panel 30. For example, the blocking portion 544 can be a bottom plate that defines the hollow frame of the guiding groove 542, but is not limited thereto. In another embodiment (not shown), the guiding portion 54 may be a guiding structure composed of a plurality of studs and/or plates to define a range of movement of the wall panel 30 in different directions, such as a downward moving distance, The amount of displacement of the left/right direction, etc., achieves the effect of guiding the movement of the wall panel 30.

As shown in FIG. 2, the reinforcing plate 60 preferably covers the guiding portion 54 to strengthen the structural strength of the guiding portion 54, thereby enhancing the bonding strength between the wall hanging plate 30 and the back shell 20 and the support frame 50. The reinforcing plate 60 is preferably a metal plate, such as an iron plate, a steel plate, or the like, and the reinforcing plate 60 can be combined with the support frame 50 by locking, snapping, or adhering to strengthen the structural strength of the guiding portion 54.

As shown in FIG. 2 and FIG. 4A and FIG. 4B, the shutter 80 is movably disposed on the back shell 20 to selectively shield or open the insertion opening 22. In one embodiment, the shutter 80 can be a decorative strip. When the wall panel 30 is separated from the back shell 20, the shutter 80 preferably substantially shields the insertion opening 22 to form an integral with the upper surface 20a of the back shell 20 to lift the display device. The appearance of 1 is beautiful. Specifically, the shielding member 80 is preferably a shielding strip made of plastic, rubber or the like, and has a positioning post 82 and a connecting portion 84 at opposite ends. Correspondingly, the back shell 20 has a first positioning hole 28a and a second positioning hole 28b. The first positioning hole 28a is disposed at one end of the insertion port 22, and the second positioning hole 28a is disposed at the back shell 20 and located at one side of the insertion port 22 away from the first positioning hole 28a. For example, the distance between the first positioning hole 28a and the second positioning hole 28b is preferably about twice the length of the shielding member 80. Thereby, when one end of the shielding member 80 is rotatably connected to the insertion opening 22 by the connecting portion 84, the positioning post 82 can be selectively engaged with the first positioning hole 28a or the second positioning hole 28b to shield or open. Insert port 22. As shown in FIG. 4B, when the positioning post 82 is engaged with the first positioning hole 28a to shield the insertion opening 22, not only dustproof but also aesthetic appearance can be improved, and as shown in FIG. 4A, when the positioning post 82 and the second positioning hole are When the insertion opening 22 is opened and the insertion opening 22 is opened, the wall panel 30 can be inserted into the accommodating space 10a from the insertion opening 22, and the shutter 80 can be prevented from being loosened and shaken.

The operation of the wall panel 30 will be described later with reference to FIGS. 5A and 5B. In this embodiment, the screw 40 has a first segment of the thread 42 and a second segment of the thread 44. The first segment of the thread 42 and the second segment of the thread 44 are separated by a spacing corresponding to the first screw hole 24 and the second screw hole 34. The gap between them. For example, the first segment of the thread 42 correspondingly locks the first screw hole 24 , and the second segment of the thread 44 corresponds to the second screw hole 34 . The gap between the first screw hole 24 and the second screw hole 34 is about the position of the support frame 50 and the reinforcing plate 60, thereby preventing the screw 40 from being generated when the screw 40 and the back shell 20 and the wall panel 30 are respectively locked. A condition in which death cannot move. As shown in FIG. 5A, when the wall hanging plate 30 is to be inserted into the receiving space from the insertion opening 22 At 10a, the screw 40 can be slightly released to the first position, for example, the second length of thread 44 exits the channel 542 but the screw 40 is still in the first screw hole 24 of the back shell 20. Thereby, the wall panel 30 can enter the insertion hole 22 from the upper and lower sides along the back surface 14 of the display panel 10 and move downward along the guide groove 542 to be interposed between the support frame 50 and the back shell 20. When the bottom of the wall panel 30 touches the hook portion 522, the wall panel 30 can push the engaging post 52 along the slope of the hook portion to move the engaging post 52 away from the back shell 20. When the wall panel 30 is moved downward to the corresponding hook portion 522 of the card slot 34, the hook portion 522 loses the pushing force and rebounds to the original position to engage with the slot 34 of the wall panel 30. Thereby, the wall panel 30 is fixed to the accommodating space 10a, thereby restricting the movement of the wall panel 30 relative to the back shell 20.

As shown in FIG. 5B, when the wall panel 30 is partially inserted into the accommodating space 10a, the screw 40 is moved toward the wall panel 30 to the second position (ie, the position locked with the second screw hole 34), and the wall panel can be further fixed. 30. In addition, by the positioning mechanism of the engaging portion 522 and the screw 40, and the design of the guiding groove 542 and the stopping portion 544 of the guiding portion 54, the multi-point supporting wall hanging plate 30 can be formed and the connection strength of the wall hanging plate 30 can be strengthened. The support of the wall panel 30 is improved. When the wall panel 30 is to be disassembled, the screw 40 can be loosened to the first position, and when the pressing portion 524 is applied, the engaging post 52 moves relative to the back shell 20 to drive the hook portion 522 out of the card. The groove 34 allows the wall panel 30 to be detached from the insertion opening 22. Specifically, when the screw 40 is loosened to the first position described above, the interference between the screw 40 and the wall panel 30 is released. In this state, when the pressing portion 524 is exposed to the through hole 26, the pressing portion 524 is forced to move the entire engaging post 52 away from the back shell 20, thereby driving the hook portion 522 to exit the card slot 34. The interference between the hook portion 522 and the wall panel 30 is released to allow the wall panel 30 to move upward and to be detached from the insertion opening 22.

As shown in FIGS. 6A and 6B, the display device may further include a support base 90, wherein the support base 90 is detachably coupled to the back cover 20 to support the display panel 10 on a bearing surface, such as a table top. The support base 90 has a receiving portion 90a. When the support base 90 supports the display panel 10 on the carrying surface, the wall hanging plate 30 can be detached from the back shell 20 and received in the receiving portion 90a. For example, the support base 90 can include a support post 92 and a base 94, wherein one end of the support post 92 is coupled to the back shell 20 and the other end is coupled to the base 94. The support post 92 is preferably detachably coupled to the back shell 20 and the base 94 by locking, snapping, or the like. Further, the support base 90 may also be integrally formed by the support post 92 and the base 94. The accommodating portion 90a is preferably disposed on the base 94. For example, the bottom portion of the base can form a recessed space to serve as the accommodating portion 90a for accommodating the wall hanging plate 30. When the display device is supported on the bearing surface by the support base 90 in a vertical manner, the wall hanging plate 30 can be detachably received in the receiving portion 90a of the base 94 by snapping, locking, or the like, thereby not only strengthening The structural strength of the support base 90 also reduces the likelihood of the wall panel 30 being lost when it is idle.

It should be noted that in the above embodiment, the engaging post 52 and the guiding portion 54 are provided on the support frame 50, but are not limited thereto. Depending on the application, the mechanism such as the engaging post 52 and the guiding portion 54 may be disposed on any suitable component of the display device 1, such as the back shell 20' of FIG. 7, to be located at a corresponding position of the accommodating space 10a. Specifically, as shown in FIG. 7 , in another embodiment, the engaging post 52 can extend from the side of the insertion opening 22 of the back shell 20 along the insertion direction of the wall panel 30 (ie, extends downward), and is guided. The portion 54 is preferably disposed about the insertion opening 22 such that the hook portion 522 is located in the guide groove 542, and the pressing portion 524 corresponds to the through hole 26 of the back shell 20. One end of the guiding groove 542 is an insertion opening 22, whereby when the wall hanging plate 30 is partially inserted into the back shell 20, the hook portion 522 engages with the card slot 36 of the wall hanging plate 30 to limit the wall hanging plate 30 relative to the back shell 20 moves. The pressing portion 524 is exposed from the back shell 20 corresponding to the through hole 16 . When the pressing portion 524 is applied, the engaging post 52 moves relative to the back shell 20 to disengage the hook portion 522 from the card slot 34 . It should be noted that the structural details of the engaging post 52 and the guiding portion 54 and the operation thereof and the mounting of the wall panel 30 can be referred to the above related description, and details are not described herein again.

In addition, in the foregoing embodiment, although the screw and the hook portion are simultaneously used as the positioning member, But not limited to this. In other embodiments, depending on the actual application and strength requirements, the wall panel can be positioned only by screws or hooks.

The present invention has been described by the above embodiments, but the above embodiments are for illustrative purposes only and are not intended to be limiting. It will be apparent to those skilled in the art that the embodiments specifically described herein may have other modifications of the embodiments. Accordingly, the scope of the invention is intended to cover such modifications and are only limited by the scope of the appended claims.

Claims (10)

A display device includes: a display panel having a display surface and a back surface; a back shell disposed on the display panel and enclosing an accommodating space with the back surface of the display panel, the back shell having an insertion a vertical projection of the insertion opening in the direction of the display panel is within the range of the back surface; a wall hanging panel enters the insertion opening along the back surface to be detachably partially inserted into the accommodating space; and a positioning The component is at least partially disposed in the accommodating space for restricting movement of the wall panel relative to the back shell. The display device of claim 1, wherein the back shell has a first screw hole, and the wall panel has a second screw hole, the positioning member is a screw, and the wall panel portion is inserted into the back shell The screw passes through the second screw hole and the first screw hole to lock the wall panel and the back shell. The display device of claim 1, wherein the wall hanging plate has a card slot, and the positioning member is a latching post disposed in the receiving space, the latching post has a hook portion when the wall hanging plate When the part is inserted into the back shell, the hook portion engages the card slot. The display device of claim 2 or 3, further comprising a guiding portion, wherein the guiding portion is disposed in the accommodating space, the guiding portion restricting lateral displacement of the wall hanging plate relative to the insertion opening. The display device of claim 4, wherein the guiding portion comprises a guiding slot and a stopping portion, the guiding slot communicates with the insertion opening, the wall hanging plate moves along the guiding slot relative to the insertion opening, and the blocking portion The stopping portion is disposed at one end of the guiding groove with respect to the insertion opening to block the movement of the wall hanging plate. The display device of claim 4, further comprising a reinforcing plate, wherein the reinforcing plate covers the guiding To strengthen the structural strength of the guide. The display device of claim 3, further comprising a support frame, wherein the support frame is disposed on the back surface of the display panel and in the accommodating space, the snap post is disposed on the support frame and along the wall shelf Extends in the direction of entering the insertion port. The display device of claim 3 or 7, wherein the back shell has a through hole, and the engaging post further has a pressing portion, the pressing portion corresponding to the through hole is exposed from the back shell, when the pressing portion is applied When the engaging post moves relative to the back shell, the hook portion is driven away from the slot, and the wall panel is allowed to be disengaged from the insert shell. The display device of claim 2, further comprising a support frame, wherein the support frame is disposed on the back surface of the display panel and in the accommodating space, the wall panel has a card slot, and the support frame has a card The clamping post has a hook portion. When the wall hanging plate portion is inserted into the back shell, the hook portion engages the card slot. The display device of claim 9, wherein the back shell has a through hole, and the engaging post further has a pressing portion, the pressing portion corresponding to the through hole is exposed from the back shell, when the pressing portion is applied The engaging post moves relative to the back shell to drive the hook portion out of the slot.