WO2023219181A1 - Display device - Google Patents

Abstract

A display device is disclosed. The display device of the present disclosure may comprise: a display panel which includes a first edge and a second edge arranged opposite to the first edge; a frame which is disposed behind the display panel; and a drive module which is coupled to the frame and moves the display panel in a direction parallel to the first edge and the second edge, wherein the drive module comprises: a lead screw which extends in the moving direction of the display panel, is disposed between the first edge and the second edge, and is rotatably coupled to the frame; a first shaft which is coupled to the frame and is parallel to the lead screw; a second shaft which is coupled to the frame, is parallel to the lead screw, and is opposite to the first shaft with respect to the lead screw; and a slider which is moved on the lead screw according to rotation of the lead screw and is coupled to the first shaft and the second shaft to be movable along the first shaft and the second shaft, the first shaft is arranged closer to the lead screw than the first edge of the display panel, and the second shaft is arranged closer to the lead screw than the second edge of the display panel.

Description

display device

This disclosure relates to a display device.

As the information society develops, the demand for display devices in various forms is increasing, and in response to this, in recent years, LCD (Liquid Crystal Display Device), PDP (Plasma Display Panel), ELD (Electro luminescent display), and VFD (Vacuum Fluorescent) have been developed. Various display devices such as OLED (Organic Light Emitting Diode) and OLED (Organic Light Emitting Diode) are being researched and used.

Among these, the LCD panel has a TFT substrate and a color substrate that face each other with a liquid crystal layer in between, and can display images using light provided from a backlight unit. Additionally, OLED panels can display images by depositing an organic material layer capable of emitting light on its own on a substrate on which transparent electrodes are formed.

Recently, much research has been conducted on the structure that covers the entire surface of the display panel.

The present disclosure aims to solve the above-described problems and other problems.

Another purpose may be to provide a display device that can open and close the front of the display panel.

Another purpose may be to provide a structure that allows the display panel to be moved.

Another purpose may be to provide a structure that can minimize left and right tilt due to the vertical movement of the display panel.

Another purpose may be to provide a structure that can minimize forward and backward tilt due to the vertical movement of the display panel.

Another purpose may be to provide a structure that can alleviate the impact caused by the vertical movement of the display panel.

Another purpose may be to provide a structure that can minimize stress generated in the lead screw as the display panel moves up and down.

Another purpose may be to provide a structure that can minimize the load applied to the shaft supporting the lead screw as the display panel moves up and down.

According to one aspect of the present disclosure for achieving the above or other objects, a display device includes: a display panel including a first side and a second side disposed opposite to the first side; a frame located behind the display panel; and a driving module coupled to the frame and moving the display panel in a direction parallel to the first side and the second side, wherein the driving module: extends in a moving direction of the display panel, and the first a lead screw disposed between one side and the second side and rotatably coupled to the frame; a first shaft coupled to the frame and parallel to the lead screw; a second shaft coupled to the frame, parallel to the lead screw, and opposed to the first shaft with respect to the lead screw; And, it moves on the lead screw as the lead screw rotates, and includes a slider coupled to the first shaft and the second shaft to be able to move along the first shaft and the second shaft, and the first slider The shaft may be disposed closer to the lead screw than the first side of the display panel, and the second shaft may be disposed closer to the lead screw than the second side of the display panel.

The effects of the display device according to the present disclosure will be described as follows.

According to at least one of the embodiments of the present disclosure, a display device capable of opening and closing the front of a display panel can be provided.

According to at least one of the embodiments of the present disclosure, a structure capable of moving a display panel can be provided.

According to at least one of the embodiments of the present disclosure, a structure that can minimize left and right tilt due to vertical movement of the display panel can be provided.

According to at least one of the embodiments of the present disclosure, it is possible to provide a structure that can minimize forward and backward tilt due to vertical movement of the display panel.

According to at least one of the embodiments of the present disclosure, it is possible to provide a structure that can alleviate shock caused by the up and down movement of the display panel.

According to at least one of the embodiments of the present disclosure, it is possible to provide a structure that can minimize stress generated in the lead screw as the display panel moves up and down.

According to at least one of the embodiments of the present disclosure, a structure that can minimize the load applied to the shaft supporting the lead screw as the display panel moves up and down can be provided.

Additional scope of applicability of the present disclosure will become apparent from the detailed description that follows. However, since various changes and modifications within the spirit and scope of the present disclosure may be clearly understood by those skilled in the art, the detailed description and specific embodiments such as preferred embodiments of the present disclosure should be understood as being given only as examples.

1 to 20 are diagrams showing examples of display devices according to embodiments of the present disclosure.

Hereinafter, embodiments disclosed in the present specification will be described in detail with reference to the attached drawings. However, identical or similar components will be assigned the same reference numbers regardless of reference numerals, and duplicate descriptions thereof will be omitted.

The suffixes “module” and “part” for components used in the following description are given or used interchangeably only for the ease of preparing the specification, and do not have distinct meanings or roles in themselves.

Additionally, in describing the embodiments disclosed in this specification, if it is determined that detailed descriptions of related known technologies may obscure the gist of the embodiments disclosed in this specification, the detailed descriptions will be omitted. In addition, the attached drawings are only for easy understanding of the embodiments disclosed in this specification, and the technical idea disclosed in this specification is not limited by the attached drawings, and all changes included in the spirit and technical scope of the present disclosure are not limited. , should be understood to include equivalents or substitutes.

Terms containing ordinal numbers, such as first, second, etc., may be used to describe various components, but the components are not limited by the terms. The above terms are used only for the purpose of distinguishing one component from another.

When a component is said to be "connected" or "connected" to another component, it is understood that it may be directly connected to or connected to the other component, but that other components may exist in between. It should be. On the other hand, when it is mentioned that a component is “directly connected” or “directly connected” to another component, it should be understood that there are no other components in between.

Singular expressions include plural expressions unless the context clearly dictates otherwise.

In this application, terms such as “comprise” or “have” are intended to designate the presence of features, numbers, steps, operations, components, parts, or combinations thereof described in the specification, but are not intended to indicate the presence of one or more other features. It should be understood that this does not exclude in advance the possibility of the existence or addition of elements, numbers, steps, operations, components, parts, or combinations thereof.

The direction indications of up (U), down (D), left (Le), right (Ri), front (F), and back (R) shown in the drawings are only for convenience of explanation, and are hereby used in this specification. The disclosed technical idea is not limited.

Referring to FIG. 1, the display device 1 may include a display panel 11. The display panel 11 can display images.

The display device 1 has a first long side (LS1), a second long side (LS2) opposite the first long side (LS1), a first long side (LS1), and a second long side (LS2). It may include a first short side (SS1) adjacent to and a second short side (SS2) opposite the first short side (SS1). Meanwhile, for convenience of explanation, the lengths of the first and second long sides LS1 and LS2 are shown and described as being longer than the lengths of the first and second short sides SS1 and SS2. It may be possible that the length of (LS1, LS2) is approximately the same as the length of the first and second short sides (SS1, SS2).

The direction parallel to the short sides (SS1, SS2) of the display device 1 may be referred to as the first direction DR1 or the vertical direction. The direction parallel to the long sides (LS1, LS2) of the display device 1 may be referred to as the second direction DR2 or the left and right direction. The direction perpendicular to the long sides (LS1, LS2) and short sides (SS1, SS2) of the display device 1 may be referred to as the third direction DR3 or the front-back direction.

The direction in which the display panel 11 displays images can be referred to as the front (F, z), and the opposite direction can be referred to as the rear (R). The first short side (SS1) can be referred to as the left side (Le, x). The second short side (SS2) can be called the right side (Ri). The first long side (LS1) can be called the upper side (U, y). The second long side (LS2) can be called the lower side (D).

The first long side (LS1), the second long side (LS2), the first short side (SS1), and the second short side (SS2) may be referred to as edges of the display device 1. Additionally, the point where the first long side (LS1), the second long side (LS2), the first short side (SS1), and the second short side (SS2) meet each other may be called a corner.

Referring to FIGS. 1 and 2, the front case 32 may be located in front of the display panel 11 and may cover at least a portion of the front of the display panel 11. The front case 32 may form at least a portion of the front of the display device 1.

The side case 31 may extend along the circumference of the display panel 11 and cover the side of the display panel 11. The first part 31a may form the left side of the side case 31, and the second part 31b may form the upper side of the side case 31. The third part 31c may form the right side of the side case 31, and the fourth part 31d may form the lower side of the side case 31.

The rear case 40 may face the front case 32 with respect to the side case 31. The rear case 40 may form the rear of the display device 1. The front case 32, side case 31, and rear case 40 may be combined with each other.

The input/output units 41 may be formed on one side of the rear case 40. For example, the input/output units 41 may include a video and/or audio input/output terminal, a USB terminal, or a power input terminal.

The stands T1 and T2 can support the display device 1. The stands T1 and T2 may include a first stand T1 and a second stand T2 that are spaced apart from each other in the left and right directions. The stands (T1, T2) include fixing parts (T1a, T2a) coupled to the fourth part (31d) of the side case 31, and support parts (T1b, T2b) connected to the fixing parts (T1a, T2a) and placed on the ground, etc. can be provided.

Referring to FIG. 3, the frame 20 may form the skeleton of a display device. The frame 20 may be placed in the inner space of the front case 32, side case 31, and rear case 40 described above. Frame 20 may include outer frames 21, 22, 23, and 24, horizontal frames 25, and vertical frames 26 and 27.

The outer frames 21, 22, 23, and 24 may form the outer perimeter of the frame 20. The first outer frame 21 may extend in the vertical direction and form the left side of the outer frames 21, 22, 23, and 24. The second outer frame 22 may face the first outer frame 21 and form the right side of the outer frames 21, 22, 23, and 24. The third outer frame 23 may extend in the horizontal direction and form the upper side of the outer frames 21, 22, 23, and 24. The third outer frame 23 may be coupled to the top of the first outer frame 21 and the top of the second outer frame 22 through a fastening member. The fourth outer frame 24 may face the third outer frame 23 and may form the lower side of the outer frames 21, 22, 23, and 24. The fourth outer frame 24 may be coupled to the lower end of the first outer frame 21 and the lower end of the second outer frame 22 through fastening members 210 and 220 (see FIGS. 3 and 5).

The first rib 21b may be bent to the right at the front end of the left portion 21a of the first outer frame 21. Additionally, the first vertical rib 21c may be formed on the first rib 21b and/or the left side 21a.

The second rib 22b may be bent to the right at the front end of the right portion 22a of the second outer frame 22. Additionally, the second vertical ribs 22c and 22d may be formed on the second rib 22b and/or the right side portion 22a.

The horizontal frame 25 may be located between the first outer frame 21 and the second outer frame 22 and may extend in the horizontal direction. One end of the horizontal frame 25 may be coupled to the first rib 21b of the first outer frame 21, and the other end of the horizontal frame 25 may be coupled to the second rib 22b of the second outer frame 22. can be combined with The horizontal frame 25 may be spaced downward from the third outer frame 23 (see hm). The horizontal frame 25 may be located closer to the third outer frame 23 than the fourth outer frame 24.

The vertical frames 26 and 27 may be located between the horizontal frame 25 and the fourth outer frame 24 and may extend in the vertical direction. One end of the vertical frames 26 and 27 may be coupled to the horizontal frame 25, and the other end of the vertical frames 26 and 27 may be coupled to the fourth outer frame 24. The vertical frames 26 and 27 may include a first vertical frame 26 and a second vertical frame 27 that are spaced apart from each other in the horizontal direction.

Referring to FIG. 4, speakers 51 and 52 may be located between the horizontal frame 25 and the fourth outer frame 24. The first speaker 51 may be coupled to the first rib 21b (see FIG. 3) of the first outer frame 21 and the first vertical frame 26. The second speaker 52 may be coupled to the second rib 22b (see FIG. 3) of the second outer frame 22 and the second vertical frame 27. Speakers 51 and 52 may provide sound to the front of the display device.

Referring to Figures 5 and 6, speakers 51 and 52 may be located inside the front case 32. For example, a plurality of holes may be formed penetrating the front surface of the front case 32. Meanwhile, for example, the side case 31 and the front case 32 may be formed as one body.

The first part 31a may cover the left side of the first outer frame 21. The second part 31b may cover the upper side of the third outer frame 23. The third part 31c may cover the right side of the second outer frame 22 (see FIG. 4). The fourth part 31d may cover the lower side of the fourth outer frame 24.

The display unit 10 may be located inside the outer frame 21 and behind the speakers 51 and 52. Additionally, the display unit 10 may be located behind the horizontal frame 25 and the vertical frames 26 and 27 (see FIG. 4). The display unit 10 may include a display panel 11, a middle cabinet 12, and a module cover 13.

For example, display panel 11 may be an OLED panel, an LCD panel, or an LED panel. The display panel 11 can divide an image into a plurality of pixels and output an image with color, brightness, and saturation for each pixel. The display panel 11 may be divided into an active area where images are displayed and a de-active area where images are not displayed. The display panel 11 can generate light corresponding to the colors of red, green, or blue depending on the control signal.

The middle cabinet 12 (see FIG. 1) may form the side of the display unit 10. The horizontal portion 12H of the middle cabinet 12 may be located behind the display panel 11 and may be coupled to the display panel 11. The vertical portion 12V of the middle cabinet 12 may intersect the horizontal portion 12H and cover the side of the display panel 11. For example, the middle cabinet 12 may include metal or plastic. The middle cabinet 12 may be referred to as a side frame or guide panel.

The module cover 13 may form the rear of the display unit 10. The module cover 13 may face the display panel 11 with respect to the horizontal portion 12H. The module cover 13 may be coupled to the horizontal portion 12H. For example, the module cover 13 may include a metal material. The module cover 13 may be referred to as a plate or frame.

The first hole 13h may be adjacent to the lower side of the module cover 13 and may be formed through the module cover 13. The first hole 13h may be referred to as a first cable hole.

Meanwhile, the fourth outer frame 24 may include a base 24a, a front rib 24b, and a rear rib 24c. The base 24a may face the fourth part 31d and may be spaced downward from the lower side of the module cover 13 (see hd in FIG. 5). The front rib 24b may be bent upward at the front end of the base 24a and may extend in the left and right directions. The rear rib 24c may be bent upward from the rear end of the base 24a and may extend in the left and right directions.

Referring to FIG. 7, the plate 14 may be adjacent to the lower side of the module cover 13 and may extend along the lower side of the module cover 13. One end of the plate 14 may be adjacent to the left side of the module cover 13, and the other end of the plate 14 may be adjacent to the right side of the module cover 13. The plate 14 may be coupled or fixed to the rear of the module cover 13. The lower side of the plate 14 may be spaced upward from the base 24a (see hd). For example, the plate 14 may include a metal material.

The second hole 14h may be formed through the plate 14. The second hole 14h may be aligned with the first hole 13h (see FIG. 5).

Referring to FIG. 8, the bars 71 and 72 may be located between the third outer frame 23 and the fourth outer frame 24 and may extend long in the vertical direction. The upper ends of the bars 71 and 72 may be fixed to the third outer frame 23, and the lower ends of the bars 71 and 72 may be fixed to the fourth outer frame 24. The first bar 71 may be located closer to the first outer frame 21 than the second outer frame 22. The second bar 72 may be located closer to the second outer frame 22 than the first outer frame 21.

A power supply board (PW) may be located at the rear of the module cover 13 and may be coupled to the first bar 71 through the first shield plate (PWS). A power supply board (PW) can provide power to each component of the display device.

The main board (MB) may be located at the rear of the module cover 13 and may be coupled to the second bar 72 through the second shield plate (MBS). The main board (MB) can control the display device.

The T-CON board (TC, Timing Controller board) may be located behind the plate 14 and may be coupled to the plate 14 through the third shield plate (TCS). At this time, the third hole may be formed through the third shield plate (TCS) and may be aligned with the second hole 14h. A cable (not shown) may pass through the first hole (13h, see FIG. 5), the second hole (14h), and the third hole, and is connected to the display panel (11, see FIG. 6) and the T-CON board ( TC) can be electrically connected. For example, the cable may be a Flat Flexible Cable (FFC). The T-CON board (TC) can provide an image signal to the display panel 11.

Referring to FIGS. 9 and 11 , the driving module 60 may be installed on the fourth outer frame 24 . The driving module 60 may be referred to as a lift assembly 60. The drive module 60 includes a motor 61, a coupling member 61b, a worm (61c, worm), a worm wheel (61d, worm wheel), a lead screw (61e, lead screw), a slider (63, slider), And it may include extension parts 64 and 65.

Motor 61 may provide rotational force. Motor 61 may be an electric motor. The motor 61 may be a motor whose rotation direction, rotation angle, and rotation speed can be adjusted. The motor 61 may be installed on the base 24a of the fourth outer frame 24.

The worm 61c may be coupled to the rotation shaft 61a of the motor 61 through the coupling member 61b and may rotate together with the rotation shaft 61a. The worm wheel 61d may be engaged with a thread formed on the outer peripheral surface of the worm 61c. The rotation axis of the worm 61c may be parallel in the left and right directions, and the rotation axis of the worm wheel 61d may be parallel in the vertical direction.

The lead screw 61e may extend in the vertical direction. The lead screw 61e may extend in the direction of movement of the display panel 11. The lead screw 61e may be located on a vertical line passing through the center of the display device 1. The lower end of the lead screw 61e may be fixed to the worm wheel 61d. The lead screw 61e may be rotatably coupled to the frame 20. The upper end of the lead screw 61e may be rotatably coupled to the top holder 68 (see FIG. 13) fixed to the lower surface of the third outer frame 23. Male threads may be formed on the outer peripheral surface of the lead screw 61e.

The slider 63 may have an overall block shape. The lead screw 61e may penetrate the slider 63. A female thread may be formed on the inside of the slider (63). The female thread of the slider 63 may engage with the male thread of the lead screw 61e. The slider 63 can move on the lead screw 61e according to the rotation of the lead screw 61e. The slider 63 can move the display panel 11 while moving along the lead screw 61e.

Referring to FIG. 9 , the slider 63 may include a first extension portion 64 extending from one side of the slider 63 to the left. The slider 63 may include a second extension 65 extending from the other side of the slider 63 to the right. The first extension 64 and the second extension 65 may be symmetrical with respect to the lead screw 61e.

The first extension 64 may include a first portion 641 through which the first shaft 66 passes. The first part 641 may be referred to as the first shaft fastening part 641. The first portion 641 may extend in the longitudinal direction of the first shaft 66. The length of the first portion 641 in the longitudinal direction may be greater than the length of the slider 63 in the corresponding direction. Through this, it is possible to prevent rotation of the slider 63, and specifically, it is possible to prevent both rotation in the left and right directions and forward and backward directions of the slider 63, thereby preventing distortion of the display panel 11. You can. The first part 641 may be coupled to one side of the slider 63. The lower part of the first part 641 may be coupled to one side of the slider 63, and the upper part of the first part 64 may face the lead screw 61e. The upper part of the first part 64 may be spaced apart from the lease screw 61e in the left direction.

Referring to FIGS. 10 and 11 , the first portion 641 may face the plate 14 . The first portion 641 may be spaced apart from the plate 14. It may include a first front block 641a facing the plate 14 and a first rear block 641b coupled to the first front block 641a. A portion of the first shaft 66 may be located between the first front block 641a and the first rear block 641b.

Referring to FIG. 11, first bushings 641c and 641d may be located in the first portion 641. The first bushings 641c and 641d may be inserted and fixed between the first front block 641a and the first rear block 641b. The first bushings 641c and 641d are formed between the first front block 641a and the first rear block 641b, and are located in grooves (not marked) surrounding the outer surfaces of the first bushings 641c and 641d. You can. The first bushings 641c and 641d may include a plurality of first bushings 641c and 641d. For example, the first bushings 641c and 641d may include a pair of first bushings 641c and 641d that are spaced apart from each other by a predetermined distance in the longitudinal direction of the first shaft 66. Through the first bushings 641c and 641d, the first extension 64 can perform a more stable linear reciprocating movement along the first shaft 66.

The first extension 64 may include a second part 642 spaced apart from the first part 641 in the direction in which the first extension 64 extends. The second portion 642 may be referred to as the first panel fastening portion 642. The second portion 642 may extend along the longitudinal direction of the first shaft 66. The second part 642 may have the same length as the first part 641. Alternatively, the second part 642 may have a length greater than that of the first part 641. The second portion 642 may be coupled or fixed to the rear of the plate 14. Accordingly, when the motor 61 is driven, the plate 14, the display unit 10, and the T-CON board (TC) may rise or fall. The second part 642 may be coupled to the plate 14 through a fastening member (not shown). A hole (not shown) through which a fastening member (not shown) can pass may be formed in the second portion 642. The second part 642 may be coupled to the plate 14 through a plurality of fastening members (not shown). For example, the second part 642 may be coupled to the plate 14 through two fastening members (not shown), and the two fastening members (not shown) extend in the longitudinal direction of the second part 642. may be separated accordingly.

Referring to FIG. 12, the second part 642 may not face the first part 641. The second part 642 may not overlap the first part 641 and the first extension 64 in the extension direction. The second part 642 may be located ahead of the first part 641. The second part 642 may be located closer to the plate 14 than the first part 641.

The second portion 642 may include a first coupling portion 642a coupled to a third portion 643 described later, and a second coupling portion 642b coupled to a fourth portion 644 described later. . The first coupling portion 642a may be formed at the lower end of the second portion 642, and the second coupling portion 642b may be formed at the upper portion of the second portion 642. The first coupling portion 642a may protrude rearward than the second coupling portion 642b. The front-to-back width W2 of the first coupling portion 642a may be greater than the front-to-back width W1 of the second coupling portion 642b.

The third part 643 may be located between the first part 641 and the second part 642. The third part 643 may connect the first part 641 and the second part 642. One end of the third part 643 may be coupled to the lower part of the first part 641, and the other end of the third part 643 may be coupled to the first coupling portion 642a of the second part 642. You can. The front surface of the third portion 643 facing the plate 14 may be coupled to the first coupling portion 642a of the second portion 642. The rear surface located opposite to the front surface of the third part 643 may be coupled to the front surface of the first part 641 facing the plate 14. That is, the second part 642 may be placed on the front surface of the third part 643, and the first part 641 may be placed on the rear surface of the third part 643. The third part 643 may be formed in the shape of a square plate where the front and rear surfaces are flat surfaces.

The thickness of the third part 643 in the front-back direction may correspond to the separation distance in the front-back direction between the first coupling portion 642a of the first part 641 and the second part 642.

The third portion 643 may have a first length L1 in the vertical direction. The first length L1 may be a length corresponding to the length of the slider 63 in the vertical direction. The third part 643 may overlap the slider 63 in the left and right directions. The third portion 643 may be connected to the surface of the slider 63 facing the plate 14. Through this, the third part 643 can prevent the slider 63 from rotating.

The first part (641, first shaft fastening part) and the second part (642, first panel fastening part) are connected through the third part (643), thereby preventing deformation due to rotation of the lead screw (61e). Through this, it is possible to prevent the display panel 11 from being tilted left or right as it rises or falls.

The fourth part 644 may be located between the first part 641 and the second part 642. The fourth part 644 may connect the first part 641 and the second part 642. One end of the fourth part 644 may be coupled to the upper part of the first part 641, and the other end of the fourth part 644 may be coupled to the second coupling portion 642b of the second part 642. You can. One end of the fourth part 644 may be coupled to the front surface of the first part 641, and the other end of the fourth part 644 may be coupled to the rear surface or side of the second part 642. The fourth portion 644 may not overlap the slider 63 in the left and right directions.

The fourth part 644 may be disposed on the third part 643. The fourth part 644 may be spaced apart from the third part 643 in the vertical direction. The fourth part 644 may be located at a first height from the bottom of the first extension 64, and the third part 643 may be located at a second height higher than the first height from the bottom of the first extension 64. It can be located at a height. A hole 64H may be formed between the fourth part 644 and the third part 643. Through this, the weight of the first extension 64 can be minimized.

The first part (641, first shaft fastening part) and the second part (642, first panel fastening part) are connected through the fourth part (644), thereby preventing deformation due to rotation of the lead screw (61e). Through this, it is possible to prevent the display panel 11 from being tilted left or right as it rises or falls.

By increasing the length of the first extension 64 in the vertical direction, twisting in the forward-backward and left-right directions due to rotation of the lead screw 61e can be minimized. In addition, the weight of the first extension 64 rises or falls along the lead screw 61e through the hole 64H between the third and fourth parts 643 and 644 of the first extension 64. can be minimized.

Referring to FIG. 12, the fourth part 644 includes a flat part 644a connected to the top of the first part 641, a second coupling part of the second part 642, and a flat part 644a that is bent from the flat part 644a. It may include a bending portion 644b connected to 642b. The flat portion 644a may extend in the same longitudinal direction as the third portion 643. The flat portion 644a may be located rearward of the third portion 643. When viewed from above, the flat portion 644a may not overlap the third portion 643 in the vertical direction. When viewed from above, the flat portion 644a may be spaced apart from the third portion 643 in the front-back direction. The bending portion 644b may be bent forward from the end of the flat portion 644a. The bending portion 644b may be coupled to the rear surface of the second coupling portion 642b of the second portion 642. Alternatively, the bending portion 644b may be coupled to the side of the second coupling portion 642b of the second portion 642.

The fourth portion 644 may have a second length L2 in the vertical direction. The second length L2 of the fourth portion 644 may be smaller than the first length L1 of the third portion 643.

The second extension 65 may include a fifth portion 651 through which the second shaft 67 passes. The fifth part 651 may be referred to as the second shaft fastening part 651. The fifth portion 651 may extend in the longitudinal direction of the second shaft 67. The length of the fifth portion 651 in the longitudinal direction may be greater than the length of the slider 63 in the corresponding direction. Through this, it is possible to prevent rotation of the slider 63, and specifically, it is possible to prevent both rotation in the left and right directions and forward and backward directions of the slider 63, thereby preventing distortion of the display panel 11. You can. The fifth part 651 may be coupled to one side of the slider 63. The lower part of the fifth part 651 may be coupled to one side of the slider 63, and the upper part of the fifth part 651 may face the lead screw 61e. The upper part of the fifth portion 651 may be spaced apart from the lease screw 61e in the left direction.

10 and 11, the fifth portion 651 may face the plate 14. The fifth portion 651 may be spaced apart from the plate 14. It may include a second front block 651a facing the plate 14 and a second rear block 651b coupled to the second front block 651a. A portion of the second shaft 67 may be located between the second front block 651a and the second rear block 651b.

Referring to FIG. 11, second bushings 651c and 651d may be located in the fifth portion 651. The second bushings 651c and 651d may be inserted and fixed between the second front block 651a and the second rear block 651b. The second bushings (651c, 651d) are formed between the second front block (651a) and the second rear block (651b), and are located in grooves (not marked) surrounding the outer surfaces of the second bushings (651c, 651d). You can. The second bushings 651c and 651d may include a plurality of second bushings 651c and 651d. For example, the second bushings 651c and 651d may include a pair of second bushings 651c and 651d that are spaced apart from each other by a predetermined distance in the longitudinal direction of the second shaft 67. Through the second bushings 651c and 651d, the second extension 65 can perform a more stable linear reciprocating motion along the second shaft 67.

The second extension portion 65 may include a sixth portion 652 spaced apart from the fifth portion 651 in the direction in which the second extension portion 65 extends. The sixth portion 652 may be referred to as the second panel fastening portion 652. The sixth portion 652 may extend along the longitudinal direction of the second shaft 67. The sixth part 652 may have the same length as the fifth part 651. Alternatively, the sixth portion 652 may have a greater length than the fifth portion 651. The sixth portion 652 may be coupled or fixed to the rear of the plate 14. Accordingly, when the motor 61 is driven, the plate 14, the display unit 10, and the T-CON board (TC) may rise or fall. The sixth portion 652 may be coupled to the plate 14 through a fastening member (not shown). A hole (not shown) through which a fastening member (not shown) can pass may be formed in the sixth portion 652. The sixth portion 652 may be coupled to the plate 14 through a plurality of fastening members (not shown). For example, the sixth part 652 may be coupled to the plate 14 through two fastening members (not shown), and the two fastening members (not shown) extend in the longitudinal direction of the sixth part 652. may be separated accordingly.

The sixth portion 652 may not face the fifth portion 651. The sixth portion 652 may not overlap the fifth portion 651 and the second extension portion 65 in the extension direction. The sixth part 652 may be located ahead of the fifth part 651. The sixth portion 652 may be located closer to the plate 14 than the fifth portion 651.

The sixth portion 652 may include a third coupling portion 652a coupled to a seventh portion 653 described later, and a fourth coupling portion 652b coupled to an eighth portion 654 described later. . The third coupling part 652a may be formed at the lower end of the sixth part 652, and the fourth coupling part 652b may be formed at the upper end of the sixth part 652. The third coupling portion 652a may protrude rearward than the fourth coupling portion 652b. The front-to-back width W3 of the third coupling portion 652a may be greater than the front-to-back width W4 of the fourth coupling portion 652b.

The seventh part 653 may be located between the fifth part 651 and the sixth part 652. The seventh part 653 may connect the fifth part 651 and the sixth part 652. One end of the seventh part 653 may be coupled to the lower part of the fifth part 651, and the other end of the seventh part 653 may be coupled to the third coupling portion 652a of the sixth part 652. You can. The front surface of the seventh portion 653 facing the plate 14 may be coupled to the third coupling portion 652a of the sixth portion 652. The rear surface located opposite to the front surface of the seventh part 653 may be coupled to the front surface of the fifth part 651 facing the plate 14. That is, the sixth part 652 may be placed on the front surface of the seventh part 653, and the fifth part 651 may be placed on the rear surface of the seventh part 653. The seventh portion 653 may be formed in the shape of a square plate in which the front and rear surfaces are flat surfaces.

The thickness of the seventh part 653 in the front-back direction may correspond to the separation distance in the front-back direction between the third coupling portion 652a of the fifth part 651 and the sixth part 652.

The seventh portion 653 may have a first length L1 in the vertical direction. The first length L1 may be a length corresponding to the length of the slider 63 in the vertical direction. The first length L1 of the seventh part 653 may correspond to the first length L1 of the third part 643. The seventh portion 653 may overlap the slider 63 in the left and right directions. The seventh portion 653 may be connected to the surface of the slider 63 facing the plate 14. Through this, the seventh portion 653 can prevent rotation of the slider 63.

The fifth part (651, second shaft fastening part) and the eighth part (652, second panel fastening part) are connected through the seventh part (653), thereby preventing deformation due to rotation of the lead screw (61e). Through this, it is possible to prevent the display panel 11 from being tilted left or right as it rises or falls.

The eighth part 654 may be located between the fifth part 651 and the sixth part 652. The eighth part 654 may connect the fifth part 651 and the sixth part 652. One end of the eighth part 654 may be coupled to the upper part of the fifth part 651, and the other end of the eighth part 654 may be coupled to the fourth coupling portion 652b of the sixth part 652. You can. One end of the eighth part 654 may be coupled to the front surface of the fifth part 651, and the other end of the eighth part 654 may be coupled to the rear surface or side of the sixth part 652. The eighth portion 654 may not overlap the slider 63 in the left and right directions.

The eighth portion 654 may be disposed on the seventh portion 653. The eighth part 654 may be spaced apart from the seventh part 653 in the vertical direction. The eighth part 654 may be located at a first height from the bottom of the second extension 65, and the seventh part 653 may be located at a second height higher than the first height from the bottom of the second extension 65. It can be located at a height. The eighth portion 654 may be located at the same height as the fourth portion 644, and the seventh portion 653 may be located at the same height as the third portion 643. A hole 65H may be formed between the eighth portion 654 and the seventh portion 653. Through this, the weight of the second extension portion 65 can be minimized.

The eighth part 654 has a flat part 654a connected to the top of the fifth part 651, and a flat part 654a that is bent from the flat part 654a and connected to the fourth coupling part 652b of the sixth part 652. It may include a bending portion 654b. The flat portion 654a may extend in the same longitudinal direction as the seventh portion 653. The flat portion 654a may be located rearward of the seventh portion 653. When viewed from above, the flat portion 654a may not overlap the seventh portion 653 in the vertical direction. When viewed from above, the flat plate portion 654a may be spaced apart from the seventh portion 653 in the front and rear directions. The bending portion 654b may be bent forward from the end of the flat portion 654a. The bending portion 654b may be coupled to the rear surface of the fourth coupling portion 652b of the sixth portion 652. Alternatively, the bending portion 654b may be coupled to the side of the fourth coupling portion 652b of the sixth portion 652.

The eighth portion 654 may have a second length L2 in the vertical direction. The second length L2 of the eighth portion 654 may be equal to the second length L2 of the fourth portion 644. The second length L2 of the eighth portion 654 may be smaller than the first length L1 of the seventh portion 653.

The fifth part (651, second shaft fastening part) and the sixth part (652, second panel fastening part) are connected through the eighth part (654), thereby preventing deformation due to rotation of the lead screw (61e). Through this, it is possible to prevent the display panel 11 from being tilted left or right as it rises or falls.

By increasing the vertical length of the second extension portion 65, twisting in the forward-backward and left-right directions due to rotation of the lead screw 61e can be minimized. In addition, the weight of the second extension 65 rises or falls along the lead screw 61e through the hole 65H between the seventh and eighth parts 653 and 654 of the second extension 65. can be minimized.

Referring to FIG. 10, the worm 61c and the worm wheel 61d can be accommodated in the housing 62. The housing 62 includes a bottom portion 62a disposed on the base 24a of the first outer frame 24, a front housing 62b coupled to the bottom portion 62a and accommodating a worm 61c, It may include a rear housing (62c) coupled to the front housing (62b) and accommodating a worm wheel (61d).

The bottom portion 62a is formed with a first lower holder 66a into which the lower end of the first shaft 66 is inserted or fixed, and a second lower holder 67a into which the lower end of the second shaft 67 is inserted or fixed. It can be. The first lower holder 66a may protrude upward from the bottom portion 62a. The second lower holder 67a may protrude upward from the bottom portion 62a. The first lower holder 66a and the second lower holder 67a may be located at the rear of the front housing 62b. The first lower holder 66a and the second lower holder 67a may be located on both sides of the rear housing 62c. The first lower holder 66a and the second lower holder 67a may be symmetrical with respect to the rear housing 62c. The bottom portion 62a, the first lower holder 66a, the second lower holder 67a, and the front housing 62b may be formed as one piece.

The disk indicator (61f) may be fixed to the rotation axis of the worm (61c). A plurality of holes (unmarked) may be formed through the disc indicator 61f and may be spaced apart from each other in the circumferential direction of the disc indicator 61f. A sensor (not shown) may be adjacent to the disk indicator 61f and may be fixed to the rear housing 62b. The sensor (not shown) may be a photo sensor. A sensor (not shown) can detect the rotation speed and/or rotation amount (rotation angle) of the disc indicator 61g and the motor 61. Accordingly, the control unit of the display device can control the driving of the motor 61 based on information obtained from a sensor (not shown).

A first sensor 61d may be disposed in the front housing 62b. The first sensor 61d may be disposed on the upper surface of the front housing 62b. The first sensor 61d may be a photo sensor.

The first pin indicator 651e may be formed on the lower surface of the second rear block 651b. Accordingly, the first pin indicator 651e may rise or fall together with the extension parts 64 and 65. When the extension parts 64 and 65 are lowered, the first pin indicator 651e may be adjacent to the first sensor 61d. The first sensor 61d can detect the approach to the first pin indicator 651e. Accordingly, the control unit of the display device 1 can determine whether the display panel 11 is located at the bottom dead center based on information obtained from the first sensor 61d.

Referring to FIG. 13, the upper end of the lead screw 61e may be fixed to the top holder 68. The top holder 68 may be installed on the third outer frame 23. The top holder 68 may be placed in the central area of the third outer frame 23. The top holder 68 may include a base portion 68a located on the third outer frame 23, and a holder portion 68b that protrudes downward from the base portion 68a and into which the lead screw 61e is inserted. there is. A first upper holder 66b for fixing the upper end of the first shaft 66 and a second upper holder 67b for fixing the upper end of the second shaft 67 may be disposed on both sides of the holder portion 68b. there is.

The first upper holder 66b, the second upper holder 67b, and the base portion 68a may be formed integrally. The first upper holder 66b may protrude downward from the base portion 68a. The second upper holder 66b may protrude downward from the base portion 68a. The first upper holder 66b and the second upper holder 67b may be symmetrical with respect to the holder portion 68b.

A second sensor 68d may be placed on the top holder 68. The top holder 68 may include a protrusion 68c to which the second sensor 68d is coupled. The protrusion 68c may protrude downward from the end of the base portion 68a. The protrusion 68c may be formed on the outside of the second upper holder 67b. The protrusion 68c may be formed to be longer than the second upper holder 67b in the vertical direction and shorter than the holder portion 68b. The second sensor 68d may be coupled to the end of the protrusion 68c. The second sensor 68d may be a photo sensor.

The second pin indicator 651f may be formed on the upper surface of the second rear block 651b. Accordingly, the second pin indicator 651f may rise or fall together with the extension parts 64 and 65. When the extension parts 64 and 65 are raised, the second pin indicator 651f may be adjacent to the second sensor 68d. The second sensor 68d can detect the approach of the second pin indicator 651f. Accordingly, the control unit of the display device 1 can determine whether the display panel 11 is located at top dead center based on information obtained from the second sensor 68d. The second pin indicator 651f may overlap the first pin indicator 651e in the vertical direction.

The first shaft 66 may be parallel to the lead screw 61e. The first shaft 66 may be spaced to the left from the lead screw 61e. The first shaft 66 may penetrate the first portion 641 of the first extension 64. The first shaft 66 may be a metal rod.

The lower end of the first shaft 66 may be coupled to or fixed to the first lower holder 66a. The first lower holder 66a may be coupled to the bottom portion 62a of the rear housing 62b. Alternatively, the first lower holder 66a may be fixed on the base 24a of the first outer frame 24. The upper end of the first shaft 66 may be coupled to or fixed to the first upper holder 66b. The first upper holder 66b may be formed on the base portion 68a of the top holder 68. Alternatively, the first upper holder 66b may be fixed to the third outer frame 23.

The second shaft 67 may be parallel to the lead screw 61e. The second shaft 67 may be parallel to the first shaft 66. The second shaft 67 may be spaced to the right from the lead screw 61e. The second shaft 67 may be symmetrical to the first shaft 66 with respect to the lead screw 61e. The second shaft 67 may penetrate the fifth portion 651 of the second extension 65. The second shaft 67 may be a metal rod.

The lower end of the second shaft 67 may be coupled to or fixed to the second lower holder 67a. The second lower holder 67a may be coupled to the bottom portion 62a of the rear housing 62b. Alternatively, the second lower holder 67a may be fixed on the base 24a of the first outer frame 24. The upper end of the second shaft 67 may be coupled to or fixed to the second upper holder 67b. The second upper holder 67b may be formed on the base portion 68a of the top holder 68. Alternatively, the second upper holder 67b may be fixed to the third outer frame 23.

Accordingly, when the motor 61 is driven, the slider 63 can stably perform a linear reciprocating motion along the lead screw 61e. When the rotation axis 61a of the motor 61 is rotated in the first rotation direction, the slider 63, the first extension 64, and the second extension 65 can rise. When the rotation axis 61a of the motor 61 is rotated in the second rotation direction opposite to the first rotation direction, the slider 63, the first extension 64, and the second extension 65 can descend. .

The first shaft 66 may be disposed adjacent to the lead screw 61e. The second shaft 67 may be disposed adjacent to the lead screw 61e. The first shaft 66 may be disposed closer to the lead screw 61e than the first bar 71. The second shaft 67 may be disposed closer to the lead screw 61e than the second bar 72. Referring to FIG. 8 , the display panel 11 may include a first panel area (PA1), a second panel area (PA2), and a third panel area (PA3). The first panel area PA1 may be an area including the central portion of the display panel 11. The second panel area PA2 may be located on the left side of the first panel area PA1. The third panel area PA may be located on the right side of the display panel 11. A lead screw 61e may be disposed in the first panel area PA1. A first guide shaft 81 may be disposed in the second panel area PA2. A second guide shaft 91 may be disposed in the third panel area PA3.

The first panel area PA1 may include a first area A1 and a second area A2 located on the left side of the lead screw 61e. The first panel area PA1 may include a third area A3 and a fourth area A4 located on the right side of the lead screw 61e. The first area A1 may be closer to the lead screw 61e than the second area A2. The second area (A2) may be located to the left of the first area (A1). The second area A2 may be located between the second panel area PA2 and the first area A1. The third area A3 may be closer to the lead screw 61e than the fourth area A4. The fourth area (A4) may be located to the right of the third area (A3). The fourth area A4 may be located between the third panel area PA3 and the third area A3. The first area A1 and the third area A3 may be symmetrical with respect to the lead screw 61e.

The first shaft 66 and the second shaft 67 may be located in the first panel area PA1. The first shaft 66 may be located in the first area A1 of the first panel area PA1. The second shaft 67 may be located in the second area A2 of the first panel area PA1.

The inter-axis distance (X1) in the left and right directions between the first shaft 66 and the second shaft 67 may be smaller than the length of the extension portions 64 and 65 in the left and right directions. The inter-axis distance (X1) in the left and right directions between the first shaft 66 and the second shaft 67 is the second portion 642 of the first extension 64 and the It may be smaller than the distance (X2) in the left and right directions between the portions 652. The inter-axis distance (X1) in the left and right directions between the first shaft 66 and the second shaft 67 may be smaller than the length (Y1) in the vertical direction of the second portion 642. The inter-axle distance ( It may be smaller than distance (Y1). The inter-axis distance (X1) in the left and right directions between the first shaft 66 and the second shaft 67 may be smaller than the length (Y2) in the vertical direction of the fifth portion 652. The inter-axle distance ( It may be smaller than distance (Y2).

By positioning the first shaft 66 and the second shaft 67 adjacent to the lead screw 61e, stress generated when the lead screw 61e rotates can be minimized. As the first shaft 66 and the second shaft 67 are positioned adjacent to the lead screw 61e, the force applied to the first and second shafts 66 and 67 by rotation of the lead screw 61e The load can be minimized. Through this, it is possible to prevent left and right tilt (twisting) of the display panel 11 that is driven up and down.

Referring to FIGS. 8 and 13, the first guide shaft 81 may be adjacent to the left end of the plate 14 and may be located behind the plate 14. The first guide shaft 81 may be parallel to the lead screw 61e, and may oppose the lead screw 61e with respect to the first shaft 66. The lower end of the first guide shaft 81 may be coupled to or fixed to the first bottom holder 81a fixed on the base 24a, and the upper end of the first guide shaft 81 may be connected to the third outer frame 23. It may be coupled to or fixed to the first top holder (81b) fixed to the lower surface of. For example, the first guide shaft 81 may be a metal rod.

The first guide block 82 may be adjacent to the left end of the plate 14. The first front guide block 82a (see FIG. 14) of the first guide block 82 may be coupled to the rear of the plate 14, and the first rear guide block 82b of the first guide block 82 (see FIG. 14). 15) may be coupled to the first front guide block (82a). The first guide shaft 81 may be located between the first front guide block 82a and the first rear guide block 82b. That is, the first guide shaft 81 can penetrate the first guide block 82.

The second guide shaft 91 may be adjacent to the right end of the plate 14 and may be located behind the plate 14. The second guide shaft 91 may be parallel to the lead screw 61e, and may oppose the lead screw 61e with respect to the second shaft 67. The lower end of the second guide shaft 91 may be coupled to or fixed to the second bottom holder 91a fixed on the base 24a, and the upper end of the second guide shaft 91 may be connected to the third outer frame 23. It may be coupled to or fixed to the second top holder 91b fixed to the lower surface of the. For example, the second guide shaft 91 may be a metal rod.

The second guide block 92 may be adjacent to the right end of the plate 14. The second front guide block 92a (see FIG. 16) of the second guide block 92 may be coupled to the rear of the plate 14, and the second rear guide block 92b of the second guide block 92 (see FIG. 16) may be coupled to the rear of the plate 14. 15) may be coupled to the second front guide block 92a. The second guide shaft 91 may be located between the second front guide block 92a and the second rear guide block 92b. That is, the second guide shaft 91 can penetrate the second guide block 92.

Accordingly, when the motor 61 is driven, the guide blocks 82 and 92 may rise or fall along the guide shafts 81 and 91. These guide blocks 82 and 92 and guide shafts 81 and 91 can reduce left and right distortion (that is, left and right tilt or left and right movement) of the ascending or descending plate 14. Meanwhile, for example, the first guide shaft 81 and the first guide block 82 may be symmetrical with the second guide shaft 91 and the second guide block 92 with respect to the lead screw 61e.

The first guide bushings 82c and 82d may be inserted and fixed between the first front guide block 82a and the first rear guide block 82b (see FIG. 15). The first guide bushings (82c, 82d) are formed between the first front guide block (82a) and the first rear guide block (82b) and have grooves (unmarked) surrounding the outer surfaces of the first guide bushings (82c, 82d). It can be located in . For example, the first guide bushings 82c and 82d may include a pair of first guide bushings 82c and 82d spaced apart from each other by a predetermined distance gc in the longitudinal direction of the first guide shaft 81. .

The second guide bushing (92c, 92d, see Figure 16) can be inserted and fixed between the second front guide block (92a, see Figure 16) and the second rear guide block (92b, see Figure 15). there is. The second guide bushings (92c, 92d) are formed between the second front guide block (92a) and the second rear guide block (92b) and have grooves (unmarked) surrounding the outer surfaces of the second guide bushings (92c, 92d). It can be located in . For example, the second guide bushings 92c and 92d may include a pair of second guide bushings 92c and 92d that are spaced apart from each other by a predetermined distance (gd) in the longitudinal direction of the second guide shaft 91. .

Accordingly, the guide blocks 82 and 92 can perform linear reciprocating motion more stably along the guide shafts 81 and 91. These guide blocks 82 and 92 and guide shafts 81 and 91 can minimize left and right distortion (that is, left and right tilt or left and right movement) of the ascending or descending plate 14.

Referring to FIG. 13, when the rotation axis of the motor 61 rotates in the first rotation direction, the slider 63 may rise along the lead screw 61e. The blocks 64 and 66 combined with the slider 63 can rise along the shafts 65 and 67. The plate 14 coupled with the blocks 64 and 66, the display unit 10 coupled with the plate 14, and the T-CON board TC can also rise. Additionally, the guide blocks 82 and 92 coupled to the plate 14 may rise along the guide shafts 81 and 91.

When the rotation axis of the motor 61 rotates in the second rotation direction opposite to the first rotation direction, the slider 63, blocks 64, 66, plate 14, display unit 10, and T-CON board (TC), and the guide blocks (82, 92) can descend.

Referring to FIG. 15, the first bottom protrusion 86a may be adjacent to the first bottom holder 81a and may be fixed on the base 24a. The first bottom protrusion 86a may be located on the right side of the first bottom holder 81a. The first bottom protrusion 86a may face the first guide block 82. The first bottom protrusion 86a may have a vertically elongated cylinder shape. The length of the first bottom protrusion 86a may be greater than the length of the first bottom holder 81a. For example, the first bottom protrusion 86a may be formed as one body with the first bottom holder 81a.

The first top protrusion 86b may be adjacent to the first top holder 81b and may be fixed to the lower surface of the third outer frame 23. The first top protrusion 86b may be located on the right side of the first top holder 81b. In the vertical direction, the first top protrusion 86b may be aligned with the first bottom protrusion 86a. The first tower protrusion 86b may have a vertically elongated cylinder shape. The length of the first top protrusion 86b may be greater than the length of the first top holder 81b. For example, the first top protrusion 86b may be formed as one body with the first top holder 81b.

The second bottom protrusion 96a may be adjacent to the second bottom holder 91a and may be fixed on the base 24a. The second bottom protrusion 96a may be located on the left side of the second bottom holder 91a. The second bottom protrusion 96a may face the second guide block 92. The second bottom protrusion 96a may have a vertically elongated cylinder shape. The length of the second bottom protrusion 96a may be greater than the length of the second bottom holder 91a. For example, the second bottom protrusion 96a may be formed as one body with the second bottom holder 91a.

The second top protrusion 96b may be adjacent to the second top holder 91b and may be fixed to the lower surface of the third outer frame 23. The second top protrusion 96b may be located on the left side of the second top holder 91b. In the vertical direction, the second top protrusion 96b may be aligned with the second bottom protrusion 96a. The second tower protrusion 96b may have a vertically elongated cylindrical shape. The length of the second top protrusion 96b may be greater than the length of the second top holder 91b. For example, the second tower protrusion 96b may be formed as one body with the second top holder 91b.

For example, the second bottom protrusion 96a and the second top protrusion 96b may be symmetrical with the first bottom protrusion 86a and the first top protrusion 86b with respect to the lead screw 61e.

Referring to Figures 16 and 17, the second buffer members (93, 94, 94a, 95, 95a) may be located between the second front guide block (92a) and the second rear guide block (92b, see Figure 15). there is. The second buffer members 93, 94, 94a, 95, and 95a may be inserted into the second groove 920g formed between the front guide block 92a and the second rear guide block 92b. The second buffer members (93, 94, 94a, 95, 95a) may be adjacent to the second guide bushings (92c, 92d) and may be located in parallel with the second guide bushings (92c, 92d). The second buffer members (93, 94, 94a, 95, 95a) include a second elastic member (93), a second lower stopper (94, 94a, second lower stopper), and a second upper stopper (95, 95a, second upper) stopper) may be included.

The second elastic member 93 may extend in the vertical direction. The second elastic member 93 may be stretched or compressed in the vertical direction. For example, the second elastic member 93 may be a spring. The second elastic member 93 may be located between the second lower stopper (94, 94a) and the second upper stopper (95, 95a), and the second lower stopper (94, 94a) and the second upper stopper (95) , 95a).

The second lower stoppers 94 and 94a may include a second lower insertion portion 94 and a second lower pin 94a. The second lower insertion portion 94 may be inserted into the second groove 920g and may have a cylindrical shape. The outer diameter of the second lower insertion portion 94 may be substantially the same as the inner diameter of the second groove 920g. The second lower pin 94a may extend from the bottom of the second lower insertion portion 94 toward the second bottom protrusion 96a and may have a cylindrical shape. The outer diameter of the second lower pin 94a may be smaller than the outer diameter of the second lower insertion portion 94. For example, the second lower insertion portion 94 and the second lower pin 94a may be formed as one body. For example, the upper side of the second lower stopper (94, 94a) may be open but the lower side may be blocked.

The second lower rib (922) may protrude from the bottom of the second groove (920g) toward the second lower pin (94a) and may extend along the outer circumference of the second lower pin (94a). . In the vertical direction, the second lower rib 922 may overlap the step between the second lower insertion portion 94 and the second lower pin 94a. That is, the second lower rib 922 may restrict the downward movement of the second lower stoppers 94 and 94a.

The second upper stoppers 95 and 95a may include a second upper insertion portion 95 and a second upper pin 95a. The second upper insertion portion 95 may be inserted into the second groove 920g and may have a cylindrical shape. The outer diameter of the second upper insertion portion 95 may be substantially the same as the inner diameter of the second groove 920g. The second upper pin 95a may extend from the top of the second upper insertion portion 95 toward the second top protrusion 96b and may have a cylindrical shape. The outer diameter of the second upper pin 95a may be smaller than the outer diameter of the second upper insertion portion 95. For example, the second upper insertion portion 95 and the second upper pin 95a may be formed as one body. For example, the lower sides of the second upper stoppers 95 and 95a may be open but the upper sides may be blocked.

The second upper rib (921) may protrude from the top of the second groove (920g) toward the second upper fin (95a) and may extend along the outer circumference of the second upper fin (95a). . In the vertical direction, the second upper rib 921 may overlap the step between the second upper insertion portion 95 and the second upper pin 95a. That is, the second upper rib 921 may restrict the downward movement of the second upper stoppers 95 and 95a.

The lower part of the above-described second elastic member 93 may be inserted into the second lower insertion part 94, and the lower end of the second elastic member 93 may be inserted into the second lower insertion part 94 or the second lower insertion part 94. It may be fixed to the inside of the pin 94a. The upper part of the above-described second elastic member 93 may be inserted into the inside of the second upper insertion part 95, and the upper end of the second elastic member 93 may be inserted into the second upper insertion part 95 or the second upper insertion part 95. It may be fixed to the inside of the pin 95a.

Referring to the left picture of FIG. 17, the second lower pin 94a may be spaced upward from the second bottom protrusion 96a. At this time, due to the elastic force of the second elastic member 93, the second lower stoppers (94, 94a) may be caught on the second lower rib 922, and the second upper stoppers (95, 95a) may be connected to the second upper rib. You can get caught at (921). The gap between the second upper stoppers (95, 95a) and the second lower stoppers (94, 94a) may be L20, and the step of the second upper stoppers (95, 95a) and the second lower stoppers (94, 94a) may be L20. The spacing between steps may be L10.

Referring to the right picture of FIG. 17, in response to the lowering of the second guide block 92, the second lower pin 94a may contact the second bottom protrusion 96a. At this time, the second elastic member 93 can be compressed, and the second lower stoppers 94 and 94a can rise upward within the second groove (920g). The gap L21 between the second upper stoppers 95, 95a and the second lower stoppers 94, 94a may be smaller than L20, and the step between the second upper stoppers 95, 95a and the second lower stopper 94 , 94a), the interval L11 between the steps may be smaller than L10.

Accordingly, the second lower stoppers 94 and 94a can alleviate the impact when the second guide block 92 and the display unit 10 (see FIG. 15), etc., descend.

Additionally, the outer diameter of the second bottom protrusion 96a may be equal to or smaller than the inner diameter of the second lower rib 922. The second bottom protrusion 96a may be inserted into the second groove 920g in response to the lowering of the second guide block 92.

For example, the rise of the second lower stoppers 94 and 94a within the second groove 920g is limited by the contact between the upper end of the second lower insertion part 94 and the lower end of the second upper insertion part 95. It can be.

For example, the rise of the second lower stoppers 94 and 94a within the second groove 920g may be limited by contact between the lower side of the second guide block 92 and the top of the second bottom holder 91a. there is. The second lower cushion 99a may be located between the lower side of the second guide block 92 and the top of the second bottom holder 91a, and may be coupled to the top of the second bottom holder 91a. Alternatively, the second lower cushion 99a may be coupled to the lower side of the second guide block 92. The second lower cushion 99a may surround the outer periphery of the second guide shaft 91. For example, the second lower cushion 99a may include an elastic material such as rubber or silicon.

Meanwhile, the relationship between the above-mentioned second buffer members (93, 94, 94a, 95, 95a), the second buffer members (93, 94, 94a, 95, 95a) and the second bottom protrusion (96a), and the second buffer member For information regarding the relationship between (93, 94, 94a, 95, 95a) and the second bottom holder (91a), and the second lower cushion (99a), the first guide block (82, see FIG. 15) is located in the first guide block (82). The same as the buffer member, the relationship between the first buffer member and the first bottom protrusion (86a, see FIG. 15), the relationship between the first buffer member and the first bottom holder (81a, see FIG. 15), and the first lower cushion. It can be applied easily.

Referring to FIGS. 18 and 19, the second buffer members 93, 94, 94a, 95, and 95a may be in contact with or spaced apart from the second tower protrusion 96b.

Referring to the left picture of FIG. 19, the second upper pin 95a may be spaced downward from the second top protrusion 96b. At this time, due to the elastic force of the second elastic member 93, the second upper stoppers (95, 95a) can be caught on the second upper rib 921, and the second lower stoppers (94, 94a) can be connected to the second lower rib. You can get caught in (922). The gap between the second upper stoppers (95, 95a) and the second lower stoppers (94, 94a) may be L20, and the step of the second upper stoppers (95, 95a) and the second lower stoppers (94, 94a) may be L20. The spacing between steps may be L10.

Referring to the right picture of FIG. 19, in response to the rise of the second guide block 92, the second upper pin 95a may contact the second top protrusion 96b. At this time, the second elastic member 93 may be compressed, and the second upper stoppers 95 and 95a may descend within the second groove 920g. The gap L22 between the second upper stoppers 95, 95a and the second lower stoppers 94, 94a may be smaller than L20, and the step between the second upper stoppers 95, 95a and the second lower stopper 94 , 94a), the interval L12 between the steps may be smaller than L10.

Accordingly, the second upper stoppers 95 and 95a can alleviate the impact when the second guide block 92 and the display unit 10 (see FIG. 15) rise.

Additionally, the outer diameter of the second tower protrusion 96b may be equal to or smaller than the inner diameter of the second upper rib 921. The second top protrusion 96b may be inserted into the second groove 920g in response to the rise of the second guide block 92.

For example, the lowering of the second upper stoppers 95 and 95a within the second groove 920g is limited by the contact between the lower end of the second upper insertion portion 95 and the upper end of the second lower insertion portion 94. It can be.

For example, the lowering of the second upper stoppers 95 and 95a within the second groove 920g may be limited by contact between the upper side of the second guide block 92 and the lower end of the second top holder 91b. there is. The second upper cushion 99b may be located between the upper side of the second guide block 92 and the lower end of the second top holder 91b, and may be coupled to the lower end of the second top holder 91b. Alternatively, the second upper cushion 99b may be coupled to the upper side of the second guide block 92. The second upper cushion 99b may surround the outer periphery of the second guide shaft 91. For example, the second upper cushion 99b may include an elastic material such as rubber or silicone.

Meanwhile, the relationship between the above-mentioned second buffer members (93, 94, 94a, 95, 95a), the second buffer members (93, 94, 94a, 95, 95a) and the second tower protrusion (96b), and the second buffer member For the relationship between (93, 94, 94a, 95, 95a) and the second top holder (91b), and the second upper cushion (99b), the first guide block (82, see FIG. 15) is located in the first guide block (82). The same as the buffer member, the relationship between the first buffer member and the first top protrusion (86b, see Figure 15), the relationship between the first buffer member and the first top holder (81b, see Figure 15), and the first upper cushion. It can be applied easily.

Referring to FIGS. 1 and 20, the display panel 11 can move in the vertical direction at the rear of the front case 32. The slot or groove 31g may be formed by cutting out the front end of the second part 31b of the side case 31, and the middle cabinet 12 may pass through.

The display panel 11 may be gradually covered by the front case 32 as it moves downward. The display panel 11 may be gradually exposed to the front as it moves upward.

For example, the minimum height of the display panel 11 exposed to the front may be 0 to h11. For example, the maximum height of the display panel 11 exposed to the front may be h12.

1 to 20, a display device according to an aspect of the present disclosure includes: a display panel including a first side and a second side disposed opposite to the first side; a frame located behind the display panel; and a driving module coupled to the frame and moving the display panel in a direction parallel to the first side and the second side, wherein the driving module: extends in a moving direction of the display panel, and the first a lead screw disposed between one side and the second side and rotatably coupled to the frame; a first shaft coupled to the frame and parallel to the lead screw; a second shaft coupled to the frame, parallel to the lead screw, and opposed to the first shaft with respect to the lead screw; And, it moves on the lead screw as the lead screw rotates, and includes a slider coupled to the first shaft and the second shaft to be able to move along the first shaft and the second shaft, and the first slider The shaft may be disposed closer to the lead screw than the first side of the display panel, and the second shaft may be disposed closer to the lead screw than the second side of the display panel. The display device may include: the display A plate on which the panel is coupled to the front and the slider is coupled to the rear; a first guide shaft that extends in the direction of movement of the display panel and is movably coupled to one end of the plate; Additionally, it may include a second guide shaft that extends in the direction of movement of the display panel, faces the first guide shaft with respect to the lead screw, and is movably coupled to the other end of the plate.

The display panel includes: a first panel area where the lead screw is located; a second panel area located on one side of the first panel area and where the first guide shaft is located; Additionally, it may include a third panel area located on the other side of the first panel area and where the second guide shaft is located.

The first panel area includes: a first area adjacent to the lead screw; and a second area located between the first area and the second panel area, wherein the second panel area includes: the lead screw and an adjacent third area; and a fourth area located between the third area and the third panel area, wherein the first shaft is located in the first area of the first panel area, and the second The shaft may be located in the third area of the first panel area.

The display device may include: the first shaft and the second shaft may be symmetrical with respect to the lead screw.

The display device includes: a plate on which the display panel is coupled to the front and the slider is coupled to the rear; The slider includes: a first extension portion extending from one side of the slider in a direction toward the first shaft and movably coupled to the first shaft; Additionally, it may include a second extension portion extending from the other side of the slider in a direction toward the second shaft and movably coupled to the second shaft.

The first extension portion includes: a first portion extending in the longitudinal direction of the first shaft and movably coupled to the first shaft; a second part spaced apart from the first part in an extension direction of the first extension and coupled to the plate; And, it may include a connection part connecting the first part and the second part.

The connection part of the first extension includes: a third part connecting the first part and the second part; a fourth part connecting the first part and the second part and disposed on the third part; And, it may include a hole formed between the third part and the fourth part.

The first part is located rearward of the second part, and the second part includes a first coupling part coupled to the third part; and a second coupling part coupled to the fourth part, and The width of the first coupling part in the front-to-back direction is larger than the width of the second coupling part in the front-back direction, one end of the third part is coupled to the rear surface of the first coupling part, and the other end of the third part is It may be coupled to the front surface of the first part.

The second extension part includes: a fifth part extending in the longitudinal direction of the second shaft and movably coupled to the second shaft, and the fifth part and the second extension part are spaced apart in the extension direction and coupled to the plate. a sixth part, a seventh part connecting the fifth part and the sixth part, and an eighth part connecting the fifth part and the sixth part and disposed on the seventh part; , the inter-axial distance between the first shaft and the second shaft in a direction perpendicular to the longitudinal direction of the first shaft may be formed to be smaller than the distance in the corresponding direction between the second part and the sixth part. .

The display device is: the inter-axis distance between the first shaft and the second shaft in a direction perpendicular to the longitudinal direction of the first shaft is the length of the first shaft between the first coupling portion and the second coupling portion. It can be formed to be smaller than the inter-axis distance in each direction.

The display device includes: a first front block facing the plate; a first rear block coupled to the first front block; Additionally, it may include the first portion of the first extension, which is disposed between the first front block and the first rear block and includes a bushing surrounding the first shaft.

The driving module includes: a motor that provides power to the slider; A worm fixed to the rotating shaft of the motor; a worm wheel engaged with the worm and on which the lead screw is fixed; and a housing inside which the worm and the worm wheel are disposed, the housing comprising: a bottom portion disposed on the frame; a front housing coupled to the bottom and accommodating the worm; a rear housing coupled to the front housing and accommodating the worm wheel; a first lower holder disposed in the bottom portion, disposed on one side of the rear housing, and fixing a lower end of the first shaft; Additionally, it may include a second lower holder disposed in the bottom portion, disposed on the other side of the rear housing, and fixing the lower end of the second shaft.

The display device includes: a top holder that secures an upper end of the lead screw, wherein the top holder includes: a base portion disposed on the frame; a holder portion that protrudes downward from the base portion and secures an upper end of the lead screw; a first upper holder that protrudes downward from the base, is disposed on one side of the holder portion, and fixes an upper end of the first shaft; And, it may include a second upper holder that protrudes downward from the base, is disposed on the other side of the holder part, and fixes the upper end of the second shaft.

The display device may include a front case located in front of the display panel, and the display panel may include a front that is opened and closed by the front case.

Any or other embodiments of the present disclosure described above are not exclusive or distinct from each other. In certain embodiments or other embodiments of the present disclosure described above, each configuration or function may be used in combination or combined.

For example, this means that configuration A described in a particular embodiment and/or drawing may be combined with configuration B described in other embodiments and/or drawings. In other words, even if the combination between components is not directly explained, it means that combination is possible, except in cases where it is explained that combination is impossible.

The above detailed description should not be construed as restrictive in any respect and should be considered illustrative. The scope of the present invention should be determined by reasonable interpretation of the appended claims, and all changes within the equivalent scope of the present invention are included in the scope of the present invention.

Claims (15)

1. a display panel including a first side and a second side disposed opposite to the first side;

   a frame located behind the display panel; and

   A driving module coupled to the frame and moving the display panel in a direction parallel to the first side and the second side,

   The drive module is:

   a lead screw extending in a moving direction of the display panel, disposed between the first side and the second side, and rotatably coupled to the frame;

   a first shaft coupled to the frame and parallel to the lead screw;

   a second shaft coupled to the frame, parallel to the lead screw, and opposed to the first shaft with respect to the lead screw; and,

   A slider moves on the lead screw as the lead screw rotates and is coupled to the first shaft and the second shaft to enable movement along the first shaft and the second shaft,

   The first shaft is disposed closer to the lead screw than the first side of the display panel, and the second shaft is disposed closer to the lead screw than the second side of the display panel.
2. According to paragraph 1,

   A plate on which the display panel is coupled to the front and the slider is coupled to the rear; a plate having one end adjacent to the first side and the other end adjacent to the second side;

   a first guide shaft extending in the direction of movement of the display panel and movably coupled to one end of the plate; and,

   A display device comprising a second guide shaft extending in a moving direction of the display panel, facing the first guide shaft with respect to the lead screw, and movably coupled to the other end of the plate.
3. According to paragraph 2,

   The display panel is:

   a first panel area where the lead screw is located;

   a second panel area located on one side of the first panel area and where the first guide shaft is located; and,

   A display device including a third panel area located on the other side of the first panel area and where the second guide shaft is located.
4. According to paragraph 3,

   The first panel area includes a first area adjacent to the lead screw and a second area located between the first area and the second panel area,

   The second panel area includes a third area adjacent to the lead screw and a fourth area located between the third area and the third panel area,

   The first shaft is located in the first area of the first panel area,

   The second shaft is a display device located in the third area of the first panel area.
5. According to paragraph 4,

   A display device wherein the first shaft and the second shaft are symmetrical with respect to the lead screw.
6. According to paragraph 1,

   a plate on which the display panel is coupled to the front and the slider is coupled to the rear;

   The slider above is:

   a first extension extending from one side of the slider in a direction toward the first shaft and movably coupled to the first shaft; and,

   A display device comprising a second extension portion extending from the other side of the slider in a direction toward the second shaft and movably coupled to the second shaft.
7. According to clause 6,

   The first extension section:

   a first part extending in the longitudinal direction of the first shaft and movably coupled to the first shaft;

   a second part spaced apart from the first part in an extension direction of the first extension and coupled to the plate; and,

   A display device including a connection part connecting the first part and the second part.
8. In clause 7,

   The connection portion of the first extension is:

   a third part connecting the first part and the second part;

   a fourth part connecting the first part and the second part and disposed on the third part; and,

   A display device comprising a hole formed between the third portion and the fourth portion.
9. According to clause 8,

   The first part is located posterior to the second part,

   The second part includes a first coupling part coupled to the third part, and a second coupling part coupled to the fourth part,

   The width of the first coupling portion in the front-to-back direction is formed to be larger than the width of the second coupling portion in the front-back direction,

   A display device wherein one end of the third portion is coupled to the rear surface of the first coupling portion, and the other end of the third portion is coupled to the front surface of the first portion.
10. According to clause 8,

    The second extension section:

    a fifth part extending in the longitudinal direction of the second shaft and movably coupled to the second shaft, and a sixth part spaced apart from the fifth part in an extension direction of the second extension and coupled to the plate; A seventh part connecting the fifth part and the sixth part, and an eighth part connecting the fifth part and the sixth part and disposed on the seventh part,

    A display device wherein an inter-axial distance between the first shaft and the second shaft in a direction perpendicular to the longitudinal direction of the first shaft is smaller than a distance in a corresponding direction between the second part and the sixth part.
11. According to clause 9,

    The inter-axis distance between the first shaft and the second shaft in a direction perpendicular to the longitudinal direction of the first shaft is the inter-axial distance between the first coupling portion and the second coupling portion in the longitudinal direction of the first shaft. A display device that is formed into a smaller size.
12. In clause 7,

    The first portion of the first extension:

    a first front block facing the plate;

    a first rear block coupled to the first front block; and,

    A display device including a bushing disposed between the first front block and the first rear block and surrounding the first shaft.
13. According to paragraph 1,

    The drive module is:

    a motor that provides power to the slider;

    A worm fixed to the rotating shaft of the motor;

    a worm wheel engaged with the worm and on which the lead screw is fixed; and

    Comprising a housing inside which the worm and the worm wheel are disposed,

    The housing:

    a bottom portion disposed on the frame;

    a front housing coupled to the bottom and accommodating the worm;

    a rear housing coupled to the front housing and accommodating the worm wheel;

    a first lower holder disposed in the bottom portion, disposed on one side of the rear housing, and fixing a lower end of the first shaft; and,

    A display device including a second lower holder disposed in the bottom portion, disposed on the other side of the rear housing, and fixing a lower end of the second shaft.
14. According to paragraph 1,

    It includes a top holder that secures the top of the lead screw,

    The top holder:

    a base portion disposed on the frame;

    a holder portion that protrudes downward from the base portion and secures an upper end of the lead screw;

    a first upper holder that protrudes downward from the base, is disposed on one side of the holder portion, and fixes an upper end of the first shaft; and,

    A display device comprising a second upper holder that protrudes downward from the base, is disposed on the other side of the holder portion, and fixes an upper end of the second shaft.
15. According to paragraph 1,

    Includes a front case located in front of the display panel,

    The display panel is,

    A display device including a front that is opened and closed by the front case.

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