Display device

Abstract

This invention relates to a display device. The display device of this invention may include: a display; and a bracket supporting the display; the bracket includes: a base; a column extending in a direction intersecting the base; and an arm extending in a direction intersecting the column and connecting the column and the display; the base includes: a housing; a substrate located inside the housing; a battery adjacent to the substrate; a first plate having a first hole, the substrate and the battery located in the first hole; and a second plate located on the first plate having a second hole, the battery located in the second hole.

Description

[0001] This application is a divisional application of the invention patent application filed on September 23, 2024, with application number 202411324251.5, filed by LG Electronics Corporation, entitled "Display Device". Technical Field

[0002] This invention relates to a display device. Background Technology

[0003] With the development of the information society, the requirements for display devices are constantly increasing in various forms. Correspondingly, in recent years, various display devices such as LCD (Liquid Crystal Display Device), PDP (Plasma Display Panel), ELD (Electroluminescent Display), VFD (Vacuum Fluorescent Display), and OLED (Organic Light Emitting Diode) have been researched and used.

[0004] An LCD panel can include a TFT (Thin Film Transistor) substrate and a color substrate facing each other with a liquid crystal layer between them, and can display images using light provided by a backlight unit. Alternatively, an OLED panel can display images by depositing a self-emissive organic layer on a substrate with transparent electrodes.

[0005] Recently, a great deal of research has been conducted on the structure of display devices that can move freely. Summary of the Invention

[0006] The purpose of this invention is to solve the aforementioned problems and other issues.

[0007] Another objective is to provide a display device with a stand having a display panel.

[0008] Another objective could be to provide a structure that allows the display device to move freely.

[0009] Another objective is to provide a structure that can improve the standing stability and floating stability of a display device.

[0010] Another objective is to provide a structure that can reduce the vibration of a moving display device.

[0011] Another objective could be to provide a structure that allows for the electrical connection of the base and the pole of the display device.

[0012] According to one aspect of the invention for achieving the above-described object or another object, the display device may include: a display panel; and a bracket for supporting the display panel; the bracket may include: a base; and a column connecting the base and the display panel; the base may include: a housing; a counterweight located within the interior space of the housing; a recess recessed from the bottom of the housing into the interior space of the housing, covered by the counterweight, and having a hole facing the counterweight; and a wheel assembly inserted into the recess and protruding downward from the bottom of the housing; the wheel assembly may include a wheel plate located in the hole of the recess and engaged with the counterweight.

[0013] The display device of the present invention has the following effects.

[0014] According to at least one embodiment of the present invention, a display device with a support having a display panel can be provided.

[0015] According to at least one embodiment of the present invention, a structure capable of freely moving the display device can be provided.

[0016] According to at least one embodiment of the present invention, a structure capable of improving the standing stability and floating stability of a display device can be provided.

[0017] According to at least one embodiment of the present invention, a structure capable of reducing vibration of a moving display device can be provided.

[0018] According to at least one embodiment of the present invention, a structure capable of electrically connecting a base and a column of a display device can be provided.

[0019] The additional scope to which this invention is applicable will become apparent from the following detailed description. However, those skilled in the art will clearly understand various changes and modifications within the spirit and scope of this invention; therefore, it should be understood that the detailed description and specific embodiments, such as preferred embodiments of the invention, are given by way of example only. Attached Figure Description

[0020] Figures 1 to 22 This is a diagram illustrating an example of a display device according to an embodiment of the present invention. Detailed Implementation

[0021] Hereinafter, the embodiments disclosed in this specification will be described in detail with reference to the accompanying drawings, and the same or similar components will be given the same reference numerals, regardless of the drawing numbers, and repeated descriptions thereof will be omitted.

[0022] The suffixes “module” and “section” used in the following description for the constituent elements are assigned or used interchangeably only for the convenience of writing the specification, and do not in themselves carry a meaning or function that distinguishes them from each other.

[0023] Furthermore, when describing the embodiments disclosed in this specification, detailed descriptions of related well-known technologies are omitted if it is determined that such detailed descriptions may obscure the spirit of the embodiments disclosed in this specification. Additionally, the accompanying drawings are only used to aid in understanding the embodiments disclosed in this specification, and the technical concepts disclosed in this specification are not limited by the drawings. They should be understood to include all modifications, equivalents, and substitutions within the scope of the ideas and techniques outlined in this specification.

[0024] Terms containing ordinal numbers such as "first" and "second" may be used to describe a variety of constituent elements, but the constituent elements are not limited by the terms. The terms are used only for the purpose of distinguishing one constituent element from other constituent elements.

[0025] When a constituent element is referred to as "connected" or "linked" to another constituent element, it should be understood that it may be directly connected to or linked to that other constituent element, but there may also be other constituent elements between them. Conversely, if a constituent element is referred to as "directly connected" or "directly linked" to another constituent element, it should be understood that there are no other constituent elements between them.

[0026] Unless the context clearly indicates otherwise, singular expressions include plural expressions.

[0027] In this application, terms such as "comprising" or "having" are used only to specify the presence of features, numbers, steps, actions, constituent elements, components or combinations thereof described in the specification, and are not intended to exclude the possibility of the presence or addition of one or more other features or numbers, steps, actions, constituent elements, components or combinations thereof.

[0028] The directional indications (U), D), L), R), F), F), and R) shown in the diagram are for illustrative purposes only, and the technical concepts disclosed in this specification are not limited thereto.

[0029] Reference Figure 1 and Figure 2 The display device 1 may include a head 10. The head 10 may display images. The head 10 may be referred to as a display 10 or a display unit 10.

[0030] The head 10 may include: a first long side LS1; a second long side LS2 opposite to the first long side LS1; a first short side SS1 adjacent to the first long side LS1 and the second long side LS2; and a second short side SS2 opposite to the first short side SS1. Alternatively, for ease of explanation, it is shown that the lengths of the first long side LS1 and the second long side LS2 are greater than the lengths of the first short side SS1 and the second short side SS2, but the lengths of the first long side LS1 and the second long side LS2 may also be approximately the same as the lengths of the first short side SS1 and the second short side SS2.

[0031] The direction parallel to the short sides SS1 and SS2 of the head 10 can be called the first direction DR1 or the up-down direction. The direction parallel to the long sides LS1 and LS2 of the head 10 can be called the second direction DR2 or the left-right direction. The direction perpendicular to the long sides LS1 and LS2 and the short sides SS1 and SS2 of the head 10 can be called the third direction DR3 or the front-back direction.

[0032] The direction in which the image is displayed on the head 10 can be called the front (F, z), and the opposite direction can be called the back (R). The first short side SS1 can be called the left side (Le, x), and the second short side SS2 can be called the right side (Ri). The first long side LS1 can be called the top side (U, y), and the second long side LS2 can be called the bottom side (D).

[0033] The first long side LS1, the second long side LS2, the first short side SS1, and the second short side SS2 can be referred to as the edges of the head 10. The intersection of the first long side LS1 and the first short side SS1 can be called the first corner C1. The intersection of the first short side SS1 and the second long side LS2 can be called the second corner C2. The intersection of the second long side LS2 and the second short side SS2 can be called the third corner C3. The intersection of the second short side SS2 and the first long side LS1 can be called the fourth corner C4.

[0034] The display device 1 may include a base 20, a pole 30, and a motion module MM.

[0035] The base 20 can have an overall flat, flay cylinder shape. The base 20 can be placed on the ground.

[0036] The column 30 can extend vertically. The lower end of the column 30 can be joined to the base 20. The column 30 can be adjacent to the edge of the base 20.

[0037] The motion module MM can extend in a direction intersecting with the post 30. One side of the motion module MM can be coupled to the upper end of the post 30. The other side of the motion module MM can be coupled to the head 10. The motion module MM may include a front connector 40, an arm 50, and a rear connector 60. The front connector 40 can be located behind the head 10 and can be coupled to the head 10; the front connector 40 can be an articulated connector. The rear connector 60 can be located in front of the post 30 and can be coupled to the post 30; the rear connector 60 can be an articulated connector. The arm 50 can connect the front connector 40 and the rear connector 60 and can be rotatably coupled to the front connector 40 and the rear connector 60. That is, both sides of the motion module MM can rotate relative to the head 10 or the post 30. Alternatively, at least one side of the motion module MM can also be fixed to the head 10 or the post 30.

[0038] Therefore, the head 10 can be supported by the motion module MM, the column 30, and the base 20, and can be separated from the ground upwards. The base 20, the column 30, and the motion module MM can be collectively referred to as a support. Alternatively, the motion module MM can be omitted, in which case the head 10 can be attached to the column 30.

[0039] On the other hand, the battery Bt can be located in the base 20, column 30, motion module MM, and / or head 10, and can be charged by an external power source. The display device 1, which is separate from the external power source, can be driven by the power of the battery Bt.

[0040] Reference Figure 2 and Figure 3 The head 10 may include a display panel 11, a guide panel 12, a frame 13, an end frame 14, and a back cover 15.

[0041] Display panel 11 can form the front of head 10. For example, display panel 11 can be an OLED panel, an LCD panel, or an LED panel. Display panel 11 can divide an image into a plurality of pixels and match the color, brightness, and saturation of each pixel to output the image. Display panel 11 can be divided into an active area for displaying the image and a de-active area for not displaying the image. Display panel 11 can generate light corresponding to red, green, or blue according to a control signal.

[0042] The guide panel 12 may extend along the periphery of the display panel 11. The guide panel 12 may cover the sides of the display panel 11.

[0043] The frame 13 can be located behind the display panel 11. Electronic components such as PCBs (Printed Circuit Boards) can be integrated into the back of the frame 13. For example, a power supply board, a mainboard, a timing controller board, and a speaker can be mounted on the back of the frame 13.

[0044] The end frame 14 may extend along the guide panel 12. The end frame 14 may cover the side of the guide panel 12 and may form the edge of the head 10.

[0045] The back cover 15 can be located behind the frame 13. The back cover 15 can cover the frame 13 and can form the back of the head 10.

[0046] Reference Figure 4 and Figure 5 Backlight units 110 and 110' can be mounted on frame 13 (see reference). Figure 3 ), can be directed to display panel 11 (refer to Figure 3 The backlight units 110 and 110' may include optical layers 111 and 111' and an optical sheet 112.

[0047] Optical layer 111 may include substrate 111a, light source 111b, reflector 111c, and diffuser 111d (see reference). Figure 4 The substrate 111a can be attached to the frame 13 (see reference). Figure 3 The front side of the substrate 111a. The substrate 111a may be composed of a plurality of bars spaced apart from each other or have a plate shape. A plurality of light sources 111b may be mounted on the substrate 111a and may be LEDs (Light Emitting Diodes). A reflector 111c may cover the substrate 111a and may have a plurality of holes 111h for arranging the plurality of light sources 111b. A diffuser 111d may be spaced forward from the reflector 111c. Spacers 111s may be located on the front side of the reflector 111c and may support the back side of the diffuser 111d.

[0048] Alternatively, the optical layer 111' may include a substrate 111a', a light source 111b', a light guide plate 111e, and a reflector 111f (see reference). Figure 5The substrate 111a' may extend adjacent to one side of the light guide plate 111e. A plurality of light sources 111b' may be mounted on the substrate 111a' and may be LEDs (Light Emitting Diodes). The reflector 111f may be located behind the light guide plate 111e.

[0049] Optical sheet 112 can be located in front of diffuser plate 111d or light guide plate 111e. Optical sheet 112 may include a plurality of sheets 112a, 112b, 112c. Light can be provided to display panel 11 (see reference) through optical sheet 112. Figure 3 ).

[0050] On the other hand, the display panel 11 of the present invention may also be an OLED panel or other types of panels that do not require the aforementioned backlight units 110, 110'.

[0051] Reference Figure 6 The user can pivot the head 10 to the motion module MM. The pivot axis can pass through the center of the head 10 and be orthogonal to the head 10. (See reference...) Figure 6 In the left-hand image, the header 10 can be in landscape mode. (Refer to...) Figure 6 In the right-hand image, the header 10 can be in a vertical mode.

[0052] Reference Figure 7 The user can tilt the head 10 relative to the motion module MM. The tilt axis can be a horizontal axis located behind the center of the head 10 and parallel to the head 10. The user can rotate the head 10 relative to the motion module MM, and the rotation axis can be a vertical axis adjacent to the front end of the motion module MM. The user can also rotate the head 10 relative to the motion module MM, and the rotation axis can be a vertical axis adjacent to the rear end of the motion module MM. The user can raise or lower the head 10 along the column 30.

[0053] Reference Figure 8 and Figure 9 The base 20 may include a first counterweight 21, a second counterweight 22, a third counterweight 23, a housing 20C, and a wheel assembly 26.

[0054] The first counterweight 21 can be generally formed into a circular plate shape with a plurality of slots or holes. The first counterweight 21 can be made of metal. The first counterweight 21 can be a steel plate. The first counterweight 21 can be hot-rolled galvanized iron (HGI). The first counterweight 21 can be referred to as the lower counterweight 21, the bottom counterweight 21, the first counterweight plate 21, the first plate 21, the first layer 21, the first piece 21, or the first component 21.

[0055] The second counterweight 22 may be located on the first counterweight 21. The second counterweight 22 may be formed as an open ring with a plurality of slots. The second counterweight 22 may be made of metal. The second counterweight 22 may be a steel plate. The second counterweight 22 may be hot-rolled galvanized iron. The second counterweight 22 may be referred to as an intermediate counterweight 22, a central counterweight 22, a second counterweight plate 22, a second plate 22, a second layer 22, a second piece 22, or a second component 22.

[0056] The third counterweight 23 may be located on the second counterweight 22. The third counterweight 23 may be formed in the shape of a disk with a plurality of slots or holes. The third counterweight 23 may be made of metal. The third counterweight 23 may be a steel plate. The third plate may be hot-rolled galvanized iron. The third counterweight 23 may be referred to as the upper counterweight 23, the top counterweight 23, the third counterweight plate 23, the third plate 23, the third layer 23, the third piece 23, or the third component 23.

[0057] The first counterweight 21, the second counterweight 22, and the third counterweight 23 may have the same or different thicknesses. For example, the first counterweight 21, the second counterweight 22, and the third counterweight 23 may have the same material and thickness. In this case, the first counterweight 21, the second counterweight 22, and the third counterweight 23 may be manufactured using a base component.

[0058] The housing 20C can form the appearance of the base 20 and can surround the first counterweight 21, the second counterweight 22, and the third counterweight 23. The housing 20C can have an overall flat, round box shape. The housing 20C can be referred to as the body 20C, the cover 20C, or the outer cover 20C. The housing 20C can include a bottom housing 24 and a top housing 25.

[0059] The bottom shell 24 may have a round tray shape with an upward opening. The bottom shell 24 may form the bottom of the shell 20C. The first counterweight 21, the second counterweight 22, and the third counterweight 23 may be stacked on the bottom shell 24. The bottom shell 24 may be referred to as the lower shell 24 or the first shell 24.

[0060] The top housing 25 may have a circular tray shape with an opening to the lower side. The top housing 25 may form the top of the housing 20C. The top housing 25 may cover the first counterweight 21, the second counterweight 22, and the third counterweight 23 stacked on the bottom housing 24. The top housing 25 may be referred to as the upper housing 25 or the second housing 25.

[0061] The wheel assembly 26 can be located below the housing 20C and can be mounted on the housing 20C. The wheel assembly 26 can space the bottom housing 24 from the ground upwards. That is, the base 20 can be moved by the wheel assembly 26 placed on the ground. The wheel assembly 26 can be referred to as caster 26 or moving caster 26.

[0062] Reference Figure 10 and Figure 11 The first counterweight 21 may include a main body 210, a fixing part 211, a connecting part 212, and a recessed part 213.

[0063] The body 210 may have a ring shape. The body 210 may include a flat portion 210F and a side portion 210S formed by bending downwards from the edge of the flat portion 210F to form the edge of the body 210. A plurality of grooves 210G may be formed on the edge of the body 210. A first groove 210G1, a second groove 210G2, a third groove 210G3, a fourth groove 210G4, and a fifth groove 210G5 may be formed from the outer side of the body 210 towards the inner side of the body 210, and may be spaced apart from each other in the circumferential direction of the body 210. The plurality of grooves 210G may be arc-shaped grooves. For example, the plurality of grooves 210G may be arcs larger than a semicircle (i.e., large arcs) or semicircular grooves.

[0064] A plurality of cut-outs 210C can be formed by removing a portion of the main body 210. A first cut-out 210C1 can be formed by removing a first portion of the main body 210, and a first groove 210G1 can be formed from the first cut-out 210C1 toward the inside of the main body 210. A second cut-out 210C2 can be formed by removing a second portion of the main body 210, and a second groove 210G2 can be formed from the second cut-out 210C2 toward the inside of the main body 210. A third cut-out 210C3 can be formed by removing a third portion of the main body 210, and a third groove 210G3 can be formed from the third cut-out 210C3 toward the inside of the main body 210.

[0065] A fixing part 211 may be formed on the bottom surface of the main body 210. The fixing part 211 may be formed by stamping downwards from the top surface of the main body 210 and may protrude from the bottom surface of the main body 210. A plurality of fixing parts 211 may be spaced apart from each other in the circumferential direction of the main body 210. A first fixing part 2111 may be located between a first groove 210G1 and a second groove 210G2. A second fixing part 2112 may be located between a second groove 210G2 and a third groove 210G3. A third fixing part 2113 may be located between a third groove 210G3 and a fourth groove 210G4. A fourth fixing part 2114 may be located between a fifth groove 210G5 and a first groove 210G1. The first fixing part 2111, the second fixing part 2112, the third fixing part 2113, and the fourth fixing part 2114 may be located at a plurality of vertices of a quadrilateral.

[0066] A joint 212 may be formed on the top surface of the main body 210. The joint 212 may be formed by stamping from the bottom surface of the main body 210 upwards, and may protrude from the top surface of the main body 210. A plurality of joints 212 may be spaced apart from each other in the circumferential direction of the main body 210. A first groove 210G1 may be located between a first joint 2121 and a second joint 2122. A second groove 210G2 may be located between a third joint 2123 and a fourth joint 2124. A third groove 210G3 may be located between a fifth joint 2125 and a sixth joint 2126. A fourth groove 210G4 and a fifth groove 210G5 may be located between a seventh joint 2127 and an eighth joint 2128.

[0067] The recess 213 may be located within a portion of the hole 210H formed in the center of the annular body 210. The recess 213 may have a quadrilateral plate shape, and the hole 210H of the body 210 adjacent to the recess 213 may also be a quadrilateral hole. The recess 213 may be formed by stamping downward from the top surface of the body 210. The protrusion 214 may protrude from the top surface of the recess 213. The protrusion 214 may be formed by stamping upward from the bottom surface of the recess 213. A plurality of protrusions 214 may be spaced apart from each other. For example, the first protrusion 2141, the second protrusion 2142, the third protrusion 2143, and the fourth protrusion 2144 may be located at a plurality of vertices of the quadrilateral.

[0068] The first counterweight 21 can consist of one or more pieces. Multiple first counterweights 21 can have the same thickness and shape. The number of first counterweights 21 can be varied. Forming a specific total thickness with a relatively small number of first counterweights 21 is easy to manage. Forming the specific total thickness with a relatively large number of first counterweights 21 allows the specific total thickness to be easily adjusted to a relatively small range by adjusting the number of first counterweights 21. Furthermore, forming the specific total thickness with a relatively large number of first counterweights 21 can easily absorb vibrations.

[0069] The substrate BC can be mounted on a plurality of protrusions 214. A plurality of fastening members Fa, such as screws, can pass through the substrate BC and be fastened to holes in the plurality of protrusions 214. At least a portion of the plurality of protrusions 214 may include guide protrusions (not shown) inserted into the substrate BC. The substrate BC can be a PCB (Printed Circuit Board), and may be referred to as a battery charger BC.

[0070] The bottom connector 27 can be mounted on the mounting portion 215 of the first counterweight 21. The mounting portion 215 can be formed by recessing from the top surface of the main body 210. The bottom connector 27 may include the main body 270, the cup 271, and the core 272. The bottom connector 27 may be referred to as the lower connector 27 or the first connector 27.

[0071] Block 28 may face the mounting portion 215 of the first counterweight 21 relative to the bottom connector 27. For example, block 28 may be a die casting made of a material such as aluminum (Al). Block 28 may include a body 280, a wall 281, and a mounting base 282. The body 280 may cover the body 270 of the bottom connector 27, and the cup 271 of the bottom connector 27 may penetrate through the body 280. Fastening members Fb, such as screws, may penetrate through the body 280 and be fastened to the body 270, thereby allowing the bottom connector 27 to be attached to block 28. A first groove 280a may be formed on the left side of the body 280 and may have a curvature corresponding to the fifth groove 210G5. A second groove 280b may be formed on the right side of the body 280 and may have a curvature corresponding to the fourth groove 210G4. The wall 281 may protrude upward from the top surface of the body 280 and may extend along an arc. The wall 281 may surround at least a portion of the side of the cup 271 that extends through the body 280. The fixing seat 282 may be a recess formed on the top surface of the body 280.

[0072] The indicator 29 can be located on the mounting base 282 of the block 28. A fastening member Fc, such as a screw, can pass through the indicator 29 and fasten it to the mounting base 282, thereby allowing the indicator 29 to be attached to the block 28.

[0073] Reference Figure 12 and Figure 13 The bottom housing 24 may include a bottom portion 241, a side portion 242, a recessed portion 243, and a storage portion 244. The bottom portion 241 may have a disc shape. The side portion 242 may bend upward from the edge of the bottom portion 241 and may extend along the circumference of the bottom portion 241. The recessed portion 243 may include: a first portion 243a, protruding upward from the top surface of the bottom portion 241, having a hollow cylinder shape; a second portion 243b, formed at the upper end of the first portion 243a; and a hole 243c, formed in the second portion 243b. The recessed portion 243 may be formed by stamping upward from the bottom surface of the bottom portion 241. A plurality of recessed portions 243 may be adjacent to the side portion 242 and may be spaced apart from each other along the side portion 242. The storage portion 244 can be formed by stamping from the bottom surface of the bottom 241 upward inside the plurality of recesses 243, and can include an opening 244h toward the substrate BC.

[0074] The first counterweight 21 can be disposed on the bottom 241 of the bottom housing 24. The first groove 210G1 can surround a portion of the side of the first recess 2431. The second groove 210G2 can surround a portion of the side of the second recess 2432. The third groove 210G3 can surround a portion of the side of the third recess 2433. The fourth groove 210G4 can surround a portion of the side of the fourth recess 2434. The fifth groove 210G5 can surround a portion of the side of the fifth recess 2435. The receiving portion 244 can be located in the hole 210H of the first counterweight 21.

[0075] A plurality of ribs 242r may be formed on the inner surface of the side portion 242 of the bottom housing 24, and may be spaced apart from each other along the side portion 242. The plurality of ribs 242r may be adjacent to or in contact with the side of the first counterweight 21.

[0076] Multiple fastening components Fd, such as screws, can penetrate the bottom 241 of the bottom housing 24 and be fastened to multiple fixing parts 211 of the first counterweight 21, thereby allowing the first counterweight 21 to be attached to the bottom housing 24.

[0077] Battery Bt (reference) Figure 8 It can be inserted into the storage section 244 from below the bottom housing 24, and can be fastened by fastening members such as screws (see Fy). Figure 17The battery cover 24c is mounted on the first counterweight 21. The battery cover 24c can be attached to the bottom 241 of the bottom housing 24 by means of a fastening member such as a screw, and can cover the bottom surface of the battery Bt. The battery cover 24c can form the bottom surface of the base 20 together with the bottom housing 24.

[0078] Reference Figure 14 The second counterweight 22 can be placed on the first counterweight 21 placed on the bottom housing 24, and the third counterweight 23 can be placed on the second counterweight 22.

[0079] Reference Figure 15 The second counterweight 22 may extend along the side 242 of the bottom housing 24. For example, the second counterweight 22 may have an open ring shape. The block 28 may be disposed between the two spaced-apart ends of the second counterweight 22. The second counterweight 22 may not cover the substrate BC mounted on the first counterweight 21 and the housing portion 244 through which the battery Bt passes through the first counterweight 21. That is, the substrate BC and the housing portion 244 may be aligned with or located in the hole 22H of the second counterweight 22. The plurality of ribs 242r of the bottom housing 24 may be adjacent to or in contact with the side of the second counterweight 22.

[0080] A plurality of grooves 22G can be formed on the edge of the second counterweight 22. The plurality of grooves 22G can be arc-shaped grooves. A first groove 22G1 can be formed from the outer side of the second counterweight 22 towards the inner side of the second counterweight 22, and can surround a portion of the side surface of the first recess 2431. A second groove 22G2 can be formed from the outer side of the second counterweight 22 towards the inner side of the second counterweight 22, and can surround a portion of the side surface of the second recess 2432. A third groove 22G3 can be formed from the outer side of the second counterweight 22 towards the inner side of the second counterweight 22, and can surround a portion of the side surface of the third recess 2433. A fourth groove 22G4 can be formed from the outer side of the second counterweight 22 towards the inner side of the second counterweight 22, and can surround a portion of the side surface of the fourth recess 2434. A fifth groove 22G5 can be formed from the outer side of the second counterweight 22 towards the inner side of the second counterweight 22, and can surround a portion of the side surface of the fifth recess 2435.

[0081] The second counterweight 22 may include a plurality of portions 221, 222, and 223. Alternatively, the second counterweight 22 may be formed integrally without being divided into a plurality of portions. For example, the first portion 221 may be located on the left side of the receiving portion 244, and the first groove 22G1 and the fifth groove 22G5 may be formed in the first portion 221. For example, the second portion 222 may be located on the right side of the substrate BC, and the third groove 22G3 and the fourth groove 22G4 may be formed in the second portion 222. For example, the third portion 223 may be located between the first portion 221 and the second portion 222, and may be opposite to the block 28. The plurality of portions 221, 222, and 223 may have interlocking protrusions 22P or grooves 22Q.

[0082] The second counterweight 22 can consist of one or more pieces. Multiple second counterweights 22 can have the same thickness and shape. The number of second counterweights 22 can be varied. Forming a specific total thickness with a relatively small number of second counterweights 22 allows for easy management. Forming the specific total thickness with a relatively large number of second counterweights 22 allows the specific total thickness to be easily adjusted to a relatively small range by adjusting the number of second counterweights 22. Furthermore, forming the specific total thickness with a relatively large number of second counterweights 22 allows for easy absorption of vibration.

[0083] Reference Figure 16 The third counterweight 23 can be formed into a disk shape with a diameter smaller than that of the side portion 242 of the bottom housing 24. The third counterweight 23 can cover the second counterweight 22 (see reference). Figure 15 ) and substrate BC (refer to Figure 15 The storage portion 244 of the battery Bt can be located in the hole 23H of the third counterweight 23. Thus, the third counterweight 23 can protect the substrate BC. Furthermore, the third counterweight 23 can cover a plurality of recesses 243 (see reference). Figure 15 The third counterweight 23 can be placed in a plurality of recesses 243 (see reference). Figure 15 (on or adjacent to it)

[0084] The third counterweight 23 can consist of one or more pieces. Multiple third counterweights 23 can have the same thickness and shape. The number of third counterweights 23 can be varied. Forming a specific total thickness with a relatively small number of third counterweights 23 makes management easier. Forming the specific total thickness with a relatively large number of third counterweights 23 allows the specific total thickness to be easily adjusted to a relatively small range by adjusting the number of third counterweights 23. Furthermore, forming the specific total thickness with a relatively large number of third counterweights 23 makes it easier to absorb vibrations.

[0085] Re-reference Figure 10The connecting portion 212 of the first counterweight 21 may include a first hole 212a and a guide pin 212b. The first hole 212a may be formed through the connecting portion 212. A thread may be formed on the inner surface of the first hole 212a. The guide pin 212b may protrude upward from the connecting portion 212 and may have a pin shape.

[0086] Each of the plurality of coupling portions 212 may have a first hole 212a. At least a portion of the plurality of coupling portions 212 may have a guide pin 212b. The first coupling portion 2121, the second coupling portion 2122, the third coupling portion 2123, the fourth coupling portion 2124, the fifth coupling portion 2125, and the sixth coupling portion 2126 may each have a first hole 212a and a guide pin 212b. The seventh coupling portion 2127 and the eighth coupling portion 2128 may each have a first hole 212a.

[0087] Reference Figure 17 and Figure 18 A plurality of second counterweights 22 and a plurality of third counterweights 23 may be stacked on the joint 212 of the first counterweight 21. For example, the plurality of third counterweights 23a and 23b may be composed of two sheets. For example, the plurality of second counterweights 22a, 22b, 22c, and 22d may be composed of four sheets (see reference). Figure 17 ) constitutes. As another example, a plurality of second counterweights 22a, 22b, 22c, 22d, 22e, 22f can be composed of six sheets (see reference). Figure 18 )constitute.

[0088] The second hole 220h can be formed by passing through a plurality of second counterweights 22, and can be aligned with the first hole 212a of the joint portion 212 of the first counterweight 21. Each second hole 220h can be aligned with a plurality of joint portions 2121, 2122, 2123, 2124, 2125, 2126, 2127, 2128 (see reference). Figure 10 Align each of the first holes 212a.

[0089] The third hole 230h can be formed by passing through a plurality of third counterweights 23, and can be aligned with the second hole 220h of the second counterweight 22. Each third hole 230h can be aligned with each second hole 220h.

[0090] Fastening components such as screws Ff can pass through a plurality of third holes 230h and a plurality of second holes 220h and be fastened to a plurality of first holes 212a, thereby allowing a plurality of second counterweights 22 and a plurality of third counterweights 23 to be combined with the first counterweight 21. This increases the stability of the base 20, preventing it from easily tipping over when placed on the ground. Furthermore, it improves the driving stability of the moving base 20 and reduces vibration. Additionally, the weight and other specifications of the base 20 can be variably adjusted as needed by adjusting the number of the plurality of second counterweights 22 and / or the plurality of third counterweights 23. For example, the thickness of the first counterweight 21, the thickness of each of the plurality of second counterweights 22, and the thickness of each of the plurality of third counterweights 23 can all be 2mm. For example, the total weight of a plurality of second counterweights 22 consisting of six pieces can be greater than the weight of the first counterweight 21 and the total weight of a plurality of third counterweights 23 consisting of two pieces. For example, the total weight of a plurality of third counterweights 23 consisting of two pieces can be greater than the weight of the first counterweight 21. For example, the weight of block 28 can be less than the weight of the first counterweight 21.

[0091] The guide pin 212b of the joint 212 can pass through a plurality of second counterweights 22 and a plurality of third counterweights 23 disposed on the joint 212. Thus, the plurality of guide pins 212b can guide the engagement of the first counterweight 21, the second counterweight 22, and the third counterweight 23.

[0092] Alternatively, at least one of the first counterweight 21 and the second counterweight 22 can be omitted. The first counterweight 21 can be omitted, and a plurality of second counterweights 22 and third counterweights 23 stacked on top of each other can be attached to the bottom housing 24. A plurality of second counterweights 22 can also be omitted, and the third counterweight 23, separated from the first counterweight 21, can be attached to the first counterweight 21 and the bottom housing 24 by fastening members such as screws. A plurality of second counterweights 22 can also be omitted, and the third counterweight 23, while covering a plurality of recesses 243 and connected to the first counterweight 21, can be attached to the first counterweight 21 and the bottom housing 24 by fastening members such as screws. For this purpose, a portion of the third counterweight 23 can protrude toward the first counterweight 21. A first counterweight 21 and a plurality of second counterweights 22 can also be omitted, and the third counterweight 23, while covering a plurality of recesses 243 and separated from or connected to the bottom housing 24, can be attached to the bottom housing 24 by fastening members such as screws.

[0093] On the other hand, the upper hole 231h can be formed by passing through a plurality of third counterweights 23, and the lower hole 221h can be formed by passing through a plurality of second counterweights 22. The upper hole 231h and the lower hole 221h can be aligned with each other, and the diameter of the upper hole 231h can be larger than the diameter of the lower hole 221h. Fastening components such as screws (not shown) can pass through the upper hole 231h and be fastened to the lower hole 221h, and the head of the screw can be inserted into the upper hole 231h, thereby allowing the plurality of second counterweights 22 to be bound together.

[0094] Reference Figure 19 and Figure 16 The main body 280 of block 28 can be mounted on the first counterweight 21, and the main body 270 of the bottom connector 27 can be sandwiched between the main body 280 and the mounting portion 215 of the first counterweight 21. The third counterweight 23 can cover the main body 280 of block 28 and can be provided with a groove 23Ga through which the wall 281 of block 28 passes. The indicator 29 mounted on the main body 280 of block 28 can be exposed upward through the hole 23Gb of the third counterweight 23.

[0095] A plurality of first fastening members Fg, such as screws, can pass through the first counterweight 21 and be fastened to the body 280 of the block 28. A plurality of second fastening members Fh, such as screws, can pass through the third counterweight 23 and be fastened to the body 280 of the block 28. Thus, the body 280 of the block 28 can be sandwiched between the first counterweight 21 and the third counterweight 23, and the bottom connector 27 can be securely mounted on the first counterweight 21 and the third counterweight 23 through the block 28.

[0096] Reference Figure 20 The wheel assembly 26 may include a wheel plate 26a, a stem 26b, a body 26c, a ball 26d, a shaft 26e, a wheel 26f, and a bearing 26g.

[0097] The wheel plate 26a can have a quadrilateral shape as a whole (see reference). Figure 15 The wheel plate 26a may be located in the hole 243c of the recess 243 in the bottom housing 24. A plurality of holes 26ah may be formed adjacent to the edge of the wheel plate 26a and extending through the wheel plate 26a. The third counterweight 23 may cover the recess 243 and the wheel plate 26a, and the plurality of holes 232h of the third counterweight 23 (see reference) Figure 16 and Figure 17The third counterweight 23 can be aligned with a plurality of holes 26ah of the wheel plate 26a. For example, the third counterweight 23 can be formed by two plates, with holes 232h passing through the third lower counterweight 23a and the third upper counterweight 23b. In this case, the third upper counterweight 23b may include a protrusion 23P forming the hole 232h, and threads may be formed on the inner surface of the hole 232h in the protrusion 23P. The protrusion 23P may be referred to as the tapping portion 23P. A plurality of fastening members Fe, such as screws, can pass through the plurality of holes 26ah and be fastened to the holes 232h, thereby allowing the wheel plate 26a to be attached to the third counterweight 23.

[0098] The rod 26b can be located inside the first portion 243a of the recess 243 and can protrude downward from the wheel plate 26a. The rod 26b can extend long in the vertical direction. The first portion 26ba of the rod 26b can be located below the wheel plate 26a, and the second portion 26bb of the rod 26b can be riveted to the recess 26ag formed on the top surface of the wheel plate 26a.

[0099] The main body 26c can face the wheel plate 26a relative to the rod 26b. The first portion 26ca of the main body 26c can surround a portion of the rod 26b. The second portion 26cb and the third portion 26cc of the main body 26c can protrude downwards from the first portion 26ca and can be horizontally spaced apart from each other (see reference). Figure 17 ).

[0100] The ball 26d can be located between the groove (not labeled) at the lower end of the rod 26b and the groove (not labeled) formed on the inner surface of the first part 26ca of the body 26c. The body 26c can swivel about the length axis A1 of the rod 26b.

[0101] The shaft 26e can extend long in the horizontal direction and can be combined with the second part 26cb and the third part 26cc of the main body 26c.

[0102] Wheel 26f can be located between the second part 26cb and the third part 26cc of the main body 26c, and can surround the outer peripheral surface of the shaft 26e. Wheel 26f can protrude downward from the bottom surface of the bottom housing 24 (refer to distance Dw). Wheel 26f can be made of rubber, silicone, resin, or ABS material.

[0103] Bearing 26g can be located between shaft 26e and wheel 26f, and can be engaged with shaft 26e and wheel 26f. Bearing 26g may include an inner ring 26ga, an outer ring 26gb, and a plurality of rotating members 26gc. The inner ring 26ga can be engaged with the outer circumference of shaft 26e. The outer ring 26gb and inner ring 26ga can be concentric and can have a larger diameter than the inner ring 26ga. The plurality of rotating members 26gc can be rotatably engaged between the inner ring 26ga and the outer ring 26gb. The plurality of rotating members 26gc can be a plurality of balls or a plurality of rollers. Bearing 26g can support the rotation of wheel 26f relative to shaft 26e.

[0104] Therefore, wheel 26f can rotate around axle 26e. Additionally, wheel 26f can rotate around rod 26b. That is, wheel 26f can rotate around two axles. The center of axle 26e can be offset by a specified distance e from axis A1 along the length of rod 26b. Wheel assembly 26 is combined with a third counterweight 23 to ensure flatness, thereby improving drive stability, allowing base 20 to move smoothly on the ground via wheel assembly 26.

[0105] Multiple wheel components 261, 262, 263, 264, 265 (see reference) Figure 13 The first wheel assembly 261 can be spaced apart from each other along the periphery of the base 20. A portion of the first wheel assembly 261 can be inserted into the first recess 2431 and can be attached to the third counterweight 23 (see reference) by a plurality of fastening members Fe. Figure 16 A portion of the second wheel assembly 262 can be inserted into the second recess 2432 and can be coupled to the third counterweight 23 by a plurality of fastening members Fe (see reference). Figure 16 A portion of the third wheel assembly 263 can be inserted into the third recess 2433 and can be attached to the third counterweight 23 by a plurality of fastening members Fe (see reference). Figure 16 A portion of the fourth wheel assembly 264 can be inserted into the fourth recess 2434 and can be coupled to the third counterweight 23 by a plurality of fastening members Fe (see reference). Figure 16 A portion of the fifth wheel assembly 265 can be inserted into the fifth recess 2435 and can be coupled to the third counterweight 23 by a plurality of fastening members Fe (see reference). Figure 16 ).

[0106] At this time, the first wheel assembly 261 and the second wheel assembly 262 can be adjacent to the bottom hole 20h. The angle between the first wheel assembly 261 and the second wheel assembly 262 relative to the center Oc of the base 20 is... 'a' can be the smallest of a plurality of angles among the plurality of wheel assemblies 291, 292, 293, 294, and 295. The angle between the second wheel assembly 262 and the third wheel assembly 263 relative to the center Oc of the base 20. b. The angle between the third wheel assembly 263 and the fourth wheel assembly 264 c. The angle between the fourth wheel assembly 264 and the fifth wheel assembly 265 d. Angle between the fifth wheel assembly 265 and the first wheel assembly 261 e can be greater than the angle. a. For example, multiple angles b、 c. d、 e can actually be the same as each other.

[0107] The top housing 25 may cover the third counterweight 23 and may include a top 251 and a side 252. The top 251 may have a disc shape. The side 252 may bend downward from the edge of the top 251 and may extend along the circumferential direction of the top 251. The side 252 of the top housing 25 may be attached to the side 242 of the bottom housing 24 by means of a snap-fit ​​structure or a latch structure, etc.

[0108] Reference Figure 21 and Figure 22 Port 25P can be formed on the top surface of base 20, adjacent to the periphery of base 20. Port 25P can have a volcano-like shape. Guide rib 25Pr can be formed on the inner side of port 25P.

[0109] The wall 281 of block 28 can be aligned with the port 25P. The guide rib 281r can be formed on the inner side of the wall 281 and can be aligned vertically with the guide rib 25Pr of the port 25P.

[0110] The insertion portion 31 can form the lower end of the column 30. The diameter of the insertion portion 31 can be smaller than the diameter of other parts of the column 30. The guide slit 31s can be formed through the side of the insertion portion 31. When the insertion portion 31 is inserted into the port 25P and the wall 281, a plurality of guide ribs 26r and 281r can be inserted into the guide slit 31s. That is, the plurality of guide ribs 26r and 281r can guide the connection between the column 30 and the base 20.

[0111] Multiple fastening components Fi, such as screws, can pass through multiple bottom holes 20h formed on the bottom surface of the base 20 and multiple holes 215h formed in the mounting portion 215 (see reference). Figure 19 ) and the main body 280 of block 28 (refer to Figure 19 The column 30 is fastened to a plurality of protrusions 30a, 30b, 30c, and 30d, thereby allowing the column 30 to be attached to the base 20. The plurality of protrusions 30a, 30b, 30c, and 30d can be formed on the inner surface of the column 30 and can be spaced apart from each other circumferentially from the top connector 79. The plurality of protrusions 30a, 30b, 30c, and 30d can be referred to as a plurality of ribs 30a, 30b, 30c, and 30d.

[0112] The top connector 79 can be installed inside the insertion portion 31. The top connector 79 can be referred to as the upper connector 79 or the second connector 79. The top connector 79 can be vertically aligned with the core 272 of the bottom connector 27.

[0113] For example, the top connector 79 may include a plurality of pins 79P, and the bottom connector 27 may include a plurality of pin holes 272h for insertion of the plurality of pins 79P. The plurality of pin holes 272h may be formed in the core 272.

[0114] As another example, the top connector 79 may include a plurality of pin holes, and the bottom connector 27 may include a plurality of pins inserted into the plurality of said pin holes.

[0115] Therefore, when the insertion part 31 is inserted into the base 20, the top connector 79 and the bottom connector 27 can be electrically connected. The cable C connected to the top connector 79 can be electrically connected to the head 10 through the post 30 and the motion module MM.

[0116] The battery Bt, housed in the storage section 244, is electrically connected to the substrate BC via cable C11. The substrate BC is electrically connected to the bottom connector 27 via cable C10. Thus, power from the battery Bt is supplied to the head 10 via cable C11, substrate BC, cable C10, bottom connector 27, top connector 79, and cable C. An external power source can charge the battery Bt via a power cord connected to the socket 27i.

[0117] Indicator 29 can be electrically connected to substrate BC via cable C12 to detect the remaining charge of battery Bt. The light-emitting device IDL of indicator 29 (see reference) Figure 21 It can be set on the top surface of the base 20 to display the remaining amount of battery Bt to the user.

[0118] Reference Figures 1 to 22The display device may include: a display panel; and a bracket supporting the display panel; the bracket may include: a base; and a column connecting the base and the display panel; the base may include: a housing; a counterweight located within the interior space of the housing; a recess extending from the bottom of the housing into the interior space of the housing, covered by the counterweight, and having a hole facing the counterweight; and a wheel assembly inserted into the recess and protruding downward from the bottom of the housing; the wheel assembly may include a wheel plate located in the hole of the recess and engaged with the counterweight.

[0119] The display device may also include screws for securing the wheel plate to the counterweight.

[0120] The housing may include: a bottom housing forming the bottom of the housing and having the recessed portion; and a top housing covering the counterweight and combined with the bottom housing; the counterweight may include: a first counterweight disposed on the bottom housing; a second counterweight disposed on the first counterweight; and a third counterweight disposed on the second counterweight and covering the recessed portion.

[0121] It may include a plurality of the second counterweights stacked on top of each other.

[0122] The third counterweight may include: a third lower counterweight covering the recess; and a third upper counterweight mounted on the third lower counterweight; the display device may also include a fastening member passing through the wheel plate and the third lower counterweight and fastened to the third upper counterweight.

[0123] The display device may further include a fastening member for fixing the second and third counterweights to the first counterweight; the first counterweight may include: a body fixed to the bottom housing; and a connecting portion protruding from the body toward the second counterweight, the second counterweight being disposed in the connecting portion, the connecting portion having a first hole for engaging the fastening member; the second counterweight may include a second hole aligned with the first hole and through which the fastening member passes; the third counterweight may include a third hole aligned with the second hole and through which the fastening member passes.

[0124] The joint may also include a guide pin that protrudes from the joint and passes through the second plate and the third plate.

[0125] The counterweight may include a plurality of recesses adjacent to and spaced apart from each other along the periphery of the bottom housing; may include a plurality of wheel assemblies inserted into the plurality of recesses; the first counterweight may include a plurality of grooves formed on the side of the first counterweight and configured for the plurality of recesses; the second counterweight may include a plurality of grooves formed on the side of the second counterweight and configured for the plurality of recesses; the third counterweight may cover the plurality of recesses.

[0126] The display device may further include a substrate mounted on the first counterweight; the second counterweight may further include a hole aligned with the substrate; and the third counterweight may cover the substrate.

[0127] The display device may further include a battery electrically connected to the substrate; the first counterweight, the second counterweight, and the third counterweight may each include a hole for the battery to be configured.

[0128] The second counterweight may comprise a plurality of portions that are adjacent to each other in the circumferential direction of the bottom housing.

[0129] The display device may further include: a head having the display panel; a top connector mounted inside the column and electrically connected to the head; and a bottom connector mounted inside the base and electrically connected to the top connector; and may include a pair of counterweights facing each other relative to the bottom connector.

[0130] The display device may further include a block coupled to the bottom connector; the pair of counterweights may include: a lower counterweight, the block being disposed on the lower counterweight and coupled to the block; and an upper counterweight, covering the block and coupled to the block; the block and the bottom connector may be sandwiched between the lower counterweight and the upper counterweight.

[0131] The display device may further include: a substrate, installed inside the base and electrically connected to the bottom connector; and a battery, installed inside the base and electrically connected to the substrate.

[0132] The bracket may also include an arm that extends in a direction intersecting the column and connects the column and the display panel.

[0133] The foregoing embodiments or other embodiments of the present invention are not exclusive or distinct from each other. Various components or functions of any of the foregoing embodiments or other embodiments of the present invention may be used in combination or mixed.

[0134] For example, this means that configuration A illustrated in a particular embodiment and / or drawing can be combined with configuration B illustrated in other embodiments and / or drawings. That is, even if the combination between configurations is not directly described, it is implied that they can be combined unless explicitly stated that they cannot be combined.

[0135] The detailed description above should not be construed as restrictive in all respects, but rather as exemplary. The scope of the invention should be determined by a reasonable interpretation of the appended claims, and all modifications within the equivalent scope of the invention fall within its scope.

Claims

1. A display device, wherein, include: monitor; as well as A stand supports the display. The support includes: Base; The column extends in a direction intersecting the base; and An arm extends in a direction intersecting the column and connects the column and the display; The base includes: case; The substrate is located inside the housing; The battery is adjacent to the substrate; A first plate having a first hole, wherein the substrate and the battery are located in the first hole; and The second plate, located on the first plate, has a second hole, and the battery is located in the second hole.

2. The display device according to claim 1, wherein, The base also includes a guide pin that passes through the first plate and the second plate.

3. The display device according to claim 1, wherein, The first plate includes a plurality of grooves disposed along the edge of the first plate; The second plate covers a plurality of the grooves.

4. The display device according to claim 3, wherein, The base also includes a plurality of recesses, which are recessed from the bottom of the housing into the interior space of the housing and located in the plurality of grooves; The second plate covers a plurality of the recesses.

5. The display device according to claim 4, wherein, The groove extends along the side of the recess.

6. The display device according to claim 4, wherein, The base also includes a plurality of wheel assemblies that are inserted into the plurality of said recesses and engaged with the second plate.

7. The display device according to claim 1, wherein, A portion of the second plate faces the side of the substrate.

8. The display device according to claim 1, wherein, The base also includes a block that overlaps with and is coupled to the second plate in the thickness direction of the second plate.

9. The display device according to claim 8, wherein, The block includes: The main body, facing the second plate; and A wall protrudes from the main body; A portion of the column extends through the housing and is inserted into the interior space of the wall.

10. The display device according to claim 9, wherein, The base also includes a port that protrudes from the top of the housing and allows the portion of the column to pass through it; The wall of the block protrudes from the body of the block toward the port.

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