KR20210032175A - Display device - Google Patents

Abstract

A display device capable of freely moving a position is disclosed. According to the present invention, the display device may comprise: a display module; a back bracket coupled to the rear of the display module and rotatable with respect to the display module; a first arm coupled to the back bracket and tiltable with respect to the back bracket; a second arm coupled to the first arm and pivotable in the left and right directions with respect to the first arm; a third arm coupled to the second arm and pivotable in the left and right directions with respect to the second arm; and a tower to which the third arm is coupled, and in which the third arm is movable in the vertical direction.

Description

Display device {DISPLAY DEVICE}

The present invention relates to a display device.

As the information society develops, the demand for display devices is also increasing in various forms, and in response to this, in recent years, LCD (Liquid Crystal Display Device), PDP (Plasma Display Panel), ELD (Electro luminescent Display), VFD (Vacuum Fluorescent Display). Display) and other various display devices have been researched and used.

Among them, a liquid crystal panel of an LCD includes a TFT substrate and a color filter substrate facing each other with a liquid crystal layer and a liquid crystal layer therebetween, and an image can be displayed using light provided from the backlight unit.

Recently, in order to perform many tasks through the display device, many studies have been conducted on various supporting structures of the display device.

It is an object of the present invention to solve the above and other problems. Another object may be to provide a display device having a high degree of freedom.

Another object may be to provide a display device capable of freely moving a position.

Another object may be to provide a display device capable of securing a stable support structure.

According to an aspect of the present invention to achieve the above or other objects, a display module; A back bracket coupled to the rear of the display module and rotatable with respect to the display module; A first arm coupled to the back bracket and tiltable with respect to the back bracket; A second arm coupled to the first arm and pivotable in a horizontal direction with respect to the first arm; A third arm coupled with the second arm and pivotable in a horizontal direction with respect to the second arm; Further, it provides a display device including a tower to which the third arm is coupled and the third arm is movable in a vertical direction.

According to another aspect of the present invention, the first arm includes: a rod; A hand formed at one end of the rod; In addition, a connection bracket formed at the other end of the rod, rotatably coupled to the second arm, including a generally circular rotor, rotatably coupled to the back bracket, and tiltably coupled to the hand. It may contain more.

According to another aspect of the present invention, the connection bracket is coupled to the hand by a shaft, inserted into the shaft, one end is supported by the hand, and the other end is supported by the connection bracket to provide elasticity. It may further include a coil spring.

According to another aspect of the present invention, the rotor of the first arm includes: a guide formed by removing a part of an edge of an upper surface of the rotor; In addition, it includes stoppers forming both ends of the guide, and the second arm includes: a rod; In addition, it may include a slider formed at one end of the rod and moving on the guide of the first arm.

According to another aspect of the present invention, the second arm and the third arm are connected by a shaft, and the second arm includes: a cylinder formed at the other end of the rod and through which the shaft passes; And, including a stopper formed on the inner wall of the cylinder, the third arm: a rod; A cylinder formed at one end of the rod, coupled to a cylinder of the second arm, and passing through the shaft; In addition, it may include a protrusion positioned between the shaft and the cylinder and engaged with the stopper of the second arm when the cylinder of the second arm rotates.

According to another aspect of the present invention, the third arm includes: a pole formed at the other end of the rod of the third arm and inserted into the tower to move up and down in the tower; A gas spring coupled to the pole and supported under the tower; And, it may include a roller mounted on the pole and supported on the inner surface of the tower.

According to another aspect of the present invention, the tower further includes: a guide rib formed inside the tower, facing the pole with respect to the gas spring, and the third arm: the gas spring It may further include a guide holder fixed to the pole, and in contact with the guide rib to move on the guide rib.

According to another aspect of the present invention, the roller includes: a first roller rotatably mounted with respect to a first rotation axis in the pole; In addition, the pole may include a second roller rotatably mounted with respect to a second rotation axis crossing the first rotation axis.

According to another aspect of the present invention, the tower includes: a shell that provides an interior accommodation space, and the pole moves up and down in the interior accommodation space; A rotating body located in the internal accommodation space, supporting the gas spring, and fixed to the shell; A fixed body located below the rotating body and supporting the rotating body; A shaft penetrating the rotating body and the fixed body; And, it may include a bearing positioned between the shaft and the fixed body.

According to another aspect of the present invention, the tower further includes: a washer positioned between the fixed body and the rotating body and having at least one hole, wherein the at least one hole is filled with a lubricant. I can.

The effect of the display device according to the present invention will be described as follows.

According to at least one of the embodiments of the present invention, a display device capable of freely moving a position may be provided.

According to at least one of the embodiments of the present invention, it is possible to provide a display device capable of securing a stable support structure.

Further scope of the applicability of the present invention will become apparent from the detailed description below. However, since various changes and modifications within the spirit and scope of the present invention can be clearly understood by those skilled in the art, it should be understood that the detailed description and specific embodiments such as preferred embodiments of the present invention are given by way of example only.

1 to 14 are diagrams showing examples of a display device according to an embodiment of the present invention.

Hereinafter, exemplary embodiments disclosed in the present specification will be described in detail with reference to the accompanying drawings, but identical or similar elements are denoted by the same reference numerals regardless of reference numerals, and redundant descriptions thereof will be omitted. The suffixes "module" and "unit" for constituent elements used in the following description are given or used interchangeably in consideration of only the ease of preparation of the specification, and do not have meanings or roles that are distinguished from each other by themselves. In addition, in describing the embodiments disclosed in the present specification, when it is determined that a detailed description of related known technologies may obscure the subject matter of the embodiments disclosed in the present specification, the detailed description thereof will be omitted. In addition, the accompanying drawings are for easy understanding of the embodiments disclosed in the present specification, and the technical idea disclosed in the present specification is not limited by the accompanying drawings, and all changes included in the spirit and scope of the present invention , It should be understood to include equivalents or substitutes.

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

When a component is referred to as being "connected" or "connected" to another component, it is understood that it may be directly connected or connected to the other component, but other components may exist in the middle. It should be. On the other hand, when a component is referred to as being "directly connected" or "directly connected" to another component, it should be understood that there is no other component in the middle.

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

In this application, terms such as "comprises" or "have" are intended to designate the presence of features, numbers, steps, actions, components, parts, or combinations thereof described in the specification, but one or more other features. It is to be understood that the presence or addition of elements or numbers, steps, actions, components, parts, or combinations thereof does not preclude in advance.

Hereinafter, a liquid crystal panel (LCD) will be described as an example of the display panel, but the display panel applicable to the present invention is not limited to the liquid crystal panel.

In addition, hereinafter, the display device includes a first long side (LS1), a second long side (LS2) opposite to the first long side (LS1), a first long side (LS1), and a second long side (LS2). A first short side (SS1) adjacent to) and a second short side (SS2) opposite to the first short side SS1 may be included.

Here, the first short side area SS1 is referred to as a first side area, the second short side area SS2 is referred to as a second side area opposite to the first side area, and the first The first long side area LS1 is referred to as a third side area adjacent to the first side area and the second side area and positioned between the first side area and the second side area, and the second long side area ( LS2) may be referred to as a fourth side area adjacent to the first side area and the second side area, located between the first side area and the second side area, and facing the third side area. .

In addition, for convenience of explanation, the first and second long sides LS1 and LS2 are illustrated and described as being longer than the first and second short sides SS1 and SS2, but the first and second long sides LS1 and LS2 It may also be possible when the length of LS2) is approximately the same as the lengths of the first and second short sides SS1 and SS2.

In addition, hereinafter, the first direction (DR1) is a direction parallel to the long side (Long Side, LS1, LS2) of the display panel 100, the second direction (Second Direction, DR2) of the display panel 100 It may be in a direction parallel to the short side (SS1, SS2). The third direction DR3 may be a direction perpendicular to the first direction DR1 and/or the second direction DR2.

The first direction DR1 and the second direction DR2 may be collectively referred to as a horizontal direction. In addition, the third direction DR3 may be referred to as a vertical direction.

In another aspect, the side on which the display device displays an image may be referred to as a forward direction or a front side or front surface. When the display device displays an image, the side in which the image cannot be observed may be referred to as a rear side or rear surface. When viewing the display from the front or the front, the side of the first long side LS1 may be referred to as an upper side or an upper surface. Similarly, the second long side LS2 side may be referred to as a lower side or a lower surface. Similarly, the first short side SS1 may be referred to as a right side or a right surface, and the second short side SS2 may be referred to as a left side or a left surface. .

In addition, 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. Also, a 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 referred to as a corner. For example, a point where the first long side LS1 and the first short side SS1 meet is the first corner C1, and the point where the first long side LS1 and the second short side SS2 meet is the second corner C2. ), the second short side (SS2) and the second long side (LS2) meet at the third corner (C3), and the second long side (LS2) and the first short side (SS1) meet at the fourth corner (C4). Can be.

Here, a direction from the first short side SS1 to the second short side SS1 or a direction from the second short side SS2 to the first short side SS1 may be referred to as a left-right direction LR. A direction from the first long side LS1 to the second long side LS2 or a direction from the second long side LS2 to the first long side LS1 may be referred to as a vertical direction UD.

1 and 2, the display module 10 may display an image forward. The tower 20 may be fixed to the structure by a fixing bracket 30. The first arm 40 may be coupled to the tower 20. The first arm 40 may move in the vertical direction (UD) with respect to the tower 20, and may pivot or swing in the left and right direction (LR) with respect to the tower 20. The second arm 50 may be coupled to the first arm 40. The second arm 50 may pivot or swing in the left and right direction LR with respect to the first arm 40. The third arm 60 may be coupled to the second arm 50. The third arm 60 may pivot or swing in the left and right direction LR with respect to the second arm 50. The back bracket 70 may be coupled to the rear of the display module 10. The back bracket 70 may be coupled to the third arm 60. The back bracket 70 may be tilted in the vertical direction UD with respect to the third arm 60.

3 and 4, the back bracket 70 may rotate about the longitudinal axis of the second arm 50. The third arm 60 may include a rod 61 and a hand 62. The rod 61 may be pivotally or swingably coupled to the second arm 50 by the shaft 63. The hand 62 may be formed at one end of the rod 61, and may have a U shape as a whole.

The connection bracket 73 may be coupled to the hand 60. The shaft 77 passes through the connection bracket 73 and the hand 60 so that the connection bracket 73 may rotate with respect to the hand 60. The back bracket 70 may be coupled to the connection bracket 73 by a shaft 76. The back bracket 70 can rotate about the shaft 76. The rotation angle of the back bracket 70 may be limited. The back bracket 70 may have a fan-shaped arc-shaped slit 72.

For example, the slits 72 may be formed in a range of 90 degrees with respect to the axis 76. The connection bracket 73 may have a stopper 75, and the stopper 75 may be inserted into the slit 72. Accordingly, the display module 10 coupled to the back bracket 70 may rotate within a 90 degree range.

The connection bracket 73 may include a fixing part 74, and the fixing part 74 may be formed by bending from the lower end of the connection bracket 73 in the direction of the third arm 60. A spring 78 can be inserted into the shaft 77. The spring 78 may be a coil spring, one end of the spring 78 may be fixed to the hand 62, and the other end of the spring 78 may be fixed to the fixing portion 74 of the connection bracket 73. For example, the back bracket 70 may be tilted in a range of 40 degrees with respect to the third arm 60. Accordingly, when the back bracket 70 is tilted with respect to the third arm 60, an elastic force is provided to the back bracket 70 to support the self-weight of the display module 10, thereby facilitating the tilting.

5 and 6, the third arm 60 may swing or pivot with respect to the second arm 50. The third arm 60 may include a rotor 64, and the rotor 64 may be coupled to the second arm 50 by a shaft 63. The rotor 64 may include a guide 65 and a stopper 66. For example, the rotor 64 may be generally circular. For example, the guide 65 may be formed while a part of the upper edge of the rotor 64 is removed. The stopper 66 may form both ends of the guide 65.

The second arm 50 may include a rod 51 and a slider 52, and the slider 52 may move on the guide 65 of the rotor 64. The movement of the slider 52 may be limited by the stopper 52. For example, a range in which the slider 52 moves on the guide 65 may be within 180 degrees. Accordingly, the third arm 60 may swing 180 degrees with respect to the second arm 50.

6 and 7, the second arm 50 may be coupled to the first arm 40 to swing. The first arm 40 may include a rod 41 and a stopper 42. The shaft 43 may connect the first arm 40 and the second arm 50. The stopper 42 may be located around the shaft 43. The second arm 50 may include a cylinder 53 and a protrusion 54. The cylinder 53 can pass through the shaft 43 and can rotate at one end of the first arm 40.

The stopper 42 may be located inside the cylinder 53, between the shaft 43 and the cylinder 53. The cylinder 53 may form one end of the second arm 50. The protrusion 54 may be formed to protrude from the inner surface of the cylinder 53. When the cylinder 53 rotates, the protrusion 54 may be caught by the stopper 42. For example, a range in which the second arm 50 rotates with respect to the first arm 40 may be about 330 degrees.

8 to 10, the first arm 40 may be connected to a pole 44. The pole 44 extends up and down long, and may have a U-shaped cross section as a whole to provide an accommodation space. The gas springs 45 and 46 may be located in the receiving space of the pole 44. The gas springs 45 and 46 may include a cylinder 45 and a piston 46.

The cylinder 45 may be mounted or fixed in the receiving space of the pole 44. The piston 46 can move while reciprocating inside the cylinder 45. The guide holder 47 may be fastened to the pole 44 while the cylinder 45 is in close contact with the receiving space of the pole 44. The first guide holder 47 may be fastened to the upper side of the pole 44, and the second guide holder 47 may be fastened to the lower side of the pole 44. Accordingly, the gas springs 45 and 46 may provide a lifting force to the pole 44.

The rollers R1 and R2 may be mounted on the pole 44. The first roller R1 may rotate about an axis in the first direction DR1. The second roller R2 may rotate about an axis in the third direction DR3. The rotation axis of the first roller R1 may cross the rotation axis of the second roller R2. For example, the rotation axis of the first roller R1 may be perpendicular to the rotation axis of the second roller R2.

The tower 20 may have an inner space, and the pole 44 may move in the vertical direction inside the tower 20. The tower 20 may have a roller guide 21 therein. The roller guide 21 may have a first part 21a, a second part 21b, and a third part 21c, and may have a U shape as a whole. When the pole 44 moves up and down in the inside of the tower 20, the rollers R1 and R2 can be guided by the roller guide 21. The first roller (R1) and the second roller (R2) are provided with rotation axes crossing each other, and while moving the roller guide 21, it is possible to respond to a moment that may be generated by the swing of the arms (40, 50, 60).

The tower 20 may be provided with a guide rib 22 in the inner space. The guide rib 22 includes a first part 22a, a second part 22b, and a third part 22c, and may have a U shape as a whole. When the pole 44 moves up and down inside the tower 20, the guide holder 47 may move while being fitted to the guide rib 22. Accordingly, it is possible to more effectively cope with the shaking that may occur due to the swing of the arms 40, 50, and 60.

The tower 20 may include a shell 21, a fixed body 23, and a rotating body 22. The shell 21 may have a cylindrical shape as a whole. The fixed body 23 and the rotating body 22 may be inserted into the lower side of the shell 21. The shell 21 may be combined with the rotating body 22. When the shell 21 rotates, the rotating body 22 can also rotate together. That is, when the first arm 40 rotates, the shell 21 and the rotating body 22 may also rotate together.

The fixed body 23 may support the rotating body 22 under the rotating body 22. In order to reduce wear that may occur while the rotating body 22 rotates on the fixed body 23, a washer 26 may be positioned between the fixed body 23 and the rotating body 22. The fixing body 23 may be fixed to the fixing bracket 30.

The shaft 24 may be inserted into the fixed body 23 and the rotating body 22 through the fixed body 23 and the rotating body 22. The bearing 25 may be inserted between the fixed body 23 and the shaft 24. The washer 26 may have holes 26h, and a lubricant or lubricant may be filled in the holes 26h of the washer 26. Accordingly, the tower 20 can be rotated smoothly.

The fixed body 23 may include a guide 221. The guide 221 may be formed while a part of the edge of the upper surface of the fixed body 23 is removed. For example, the guide 221 may form a fan-shaped arc as a whole. Stoppers 232 may be formed at both ends of the guide 231.

The rotating body 22 may include a slider 221, and the slider 221 may move on the guide 231. Rotation of the rotating body 22 may be limited by the slider 221 and the stoppers 232. For example, the rotating body 22 may rotate in a range of 180 degrees.

1, 2, and 14, one side of the tower 20 may be long open in the vertical direction. The cover 29 may cover an open surface of the tower 20. The cable CA may be wired inside the tower 20 along one side of the open tower 20, and the cover 29 may cover the open side of the tower 20.

The upper surface of the tower 20 may be opened. The top cover 90 may cover the upper surface of the tower 20. The wiring hole 91 may be formed by the tower 20 and the top cover 90. The cable CA may be wired to the outside of the tower 20 through the wiring hole 91. The armhole 49 may be formed in the rod 41 of the first arm 40, and the cable CA may pass through the armhole 49.

The cable CA passing through the armhole 49 may be caught under the second arm 50 and connected to the display module 10. At this time, the cable CA may be maintained while securing a certain length. Accordingly, it is possible to provide a clearance of the cable CA, which may occur due to the swing of the arms 40, 50, and 60 and the upward movement of the tower 20 of the first arm 40.

Certain or other embodiments of the present invention described above are not mutually exclusive or distinct from each other. Certain embodiments or other embodiments of the present invention described above may be combined or combined with each configuration or function (Certain embodiments or other embodiments of the invention described above are not mutually exclusive or distinct from each other.Any or all elements of the embodiment of the invention described above may be combined or combined with each other in configuration or function).

For example, it means that a configuration A described in a specific embodiment and/or a drawing may be combined with a configuration B described in another embodiment and/or a drawing. That is, even if the combination between the configurations is not directly described, it means that combination is possible except for the case where the combination is described as impossible (For example, a configuration "A" described in one embodiment of the invention and the drawings. and a configuration "B" described in another embodiment of the invention and the drawings may be combined with each other. Namely, although the combination between the configurations is not directly described, the combination is possible except in the case where it is described that the combination is impossible).

The above detailed description should not be construed as limiting in all respects and should be considered as illustrative. The scope of the present invention should be determined by rational interpretation of the appended claims, and all modifications within the equivalent scope of the present invention are included in the scope of the present invention (Although embodiments have been described with reference to a number of illustrative embodiments. thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope of the principles of this disclosure.More particularly, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims.In addition to variations and modifications in the component parts and/or arrangements, alternative uses will also be apparent to those skilled in the art).

Claims (10)

Display module;
A back bracket coupled to the rear of the display module and rotatable with respect to the display module;
A first arm coupled to the back bracket and tiltable with respect to the back bracket;
A second arm coupled to the first arm and pivotable in a horizontal direction with respect to the first arm;
A third arm coupled with the second arm and pivotable in a horizontal direction with respect to the second arm; And,
A display device comprising a tower to which the third arm is coupled and the third arm is movable in a vertical direction.
The method of claim 1,
The first arm is:
road;
A hand formed at one end of the rod; And,
It is formed at the other end of the rod, is rotatably coupled to the second arm, and includes a generally circular rotor,
The display device further comprises a connection bracket rotatably coupled to the back bracket and tiltably coupled to the hand.
The method of claim 2,
The connection bracket is coupled to the hand by a shaft,
The display device further comprises a coil spring inserted into the shaft, one end supported by the hand, and the other end supported by the connection bracket to provide an elastic force.
The method of claim 2,
The rotor of the first arm is:
A guide formed by removing a part of the rim of the upper surface of the rotor; And,
Includes stoppers forming both ends of the guide,
The second arm is:
road; And,
A display device comprising a slider formed at one end of the rod and moving on a guide of the first arm.
The method of claim 4,
The second arm and the third arm are connected by a shaft,
The second arm is:
A cylinder formed at the other end of the rod and through which the shaft passes; And,
Includes a stopper formed on the inner wall of the cylinder,
The third arm is:
road;
A cylinder formed at one end of the rod, coupled to a cylinder of the second arm, and passing through the shaft; And,
A display device comprising a protrusion positioned between the shaft and the cylinder and engaging a stopper of the second arm when the cylinder of the second arm rotates.
The method of claim 5,
The third arm is:
A pole formed at the other end of the rod of the third arm and inserted into the tower to move up and down in the tower;
A gas spring coupled to the pole and supported under the tower; And,
A display device including a roller mounted on the pole and supported on an inner surface of the tower.
The method of claim 6,
The tower is:
Further comprising a guide rib formed inside the tower, facing the pole with respect to the gas spring,
The third arm is:
The display device further comprises a guide holder fixing the gas spring to the pawl and moving on the guide rib by contacting the guide rib.
The method of claim 6,
The rollers are:
A first roller rotatably mounted with respect to a first rotation axis in the pole; And,
A display device comprising a second roller rotatably mounted about a second rotation axis intersecting the first rotation axis in the pole.
The method of claim 6,
The tower is:
A shell providing an internal accommodation space, and wherein the pole moves up and down in the internal accommodation space;
A rotating body located in the internal accommodation space, supporting the gas spring, and fixed to the shell;
A fixed body located below the rotating body and supporting the rotating body;
A shaft penetrating the rotating body and the fixed body; And,
A display device comprising a bearing positioned between the shaft and the fixed body.
The method of claim 9,
The tower is:
It is located between the fixed body and the rotating body, further comprising a washer having at least one hole,
A display device in which a lubricant is filled in the at least one hole.

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