Display device

Abstract

The utility model discloses a display device. The display device of the utility model comprises a display which comprises a display panel; the bracket is provided with a movable base for supporting the display; the base may include: a housing; the balance weight is positioned in the shell; a plurality of wheel assemblies coupled to the housing to move the housing; and a support member coupled to the housing between the plurality of wheel assemblies.

Description

TECHNICAL FIELD

[0001] The utility model relates to display device. BACKGROUND

[0002] With the development of information society, the requirements for display devices are also increasing in various forms. Accordingly, in recent years, various display devices such as liquid crystal display devices (LCD), plasma display panels (PDP), electroluminescent displays (ELD), vacuum fluorescent displays (VFD), and organic light emitting diodes (OLED) have been developed and used.

[0003] Among them, the LCD panel can have a TFT substrate and a color substrate facing each other with a liquid crystal layer in between, and the LCD panel can display an image using light provided from a backlight unit. In addition, the OLED panel can deposit an organic layer that can emit light spontaneously on a substrate formed with a transparent electrode to display an image.

[0004] In recent years, more research is being conducted on structures that freely adjust the angle and position of the display. SUMMARY

[0005] Problems to be solved by the utility model

[0006] The utility model aims at solving the above-mentioned problems and other problems.

[0007] Another object is to provide a display device having a stand that supports a display.

[0008] Still another object is to provide a structure of a base of a stand of a display device.

[0009] Still another object is to provide a structure of a base that can improve the stability of a stand of a display device.

[0010] Still another object is to provide a structure of a base of a stand that can prevent a display from being upside down.

[0011] Means for solving the problems

[0012] To achieve the above or other objects, according to one aspect of the present application, a display device can include a display including a display panel; and a stand having a movable base supporting the display; the base can include a housing; a counterweight located inside the housing; a plurality of wheel assemblies combined with the housing to move the housing; and a support member combined with the housing between the plurality of wheel assemblies.

[0013] According to another aspect of the present application, a display device can include a display including a display panel; and a stand having a movable base supporting the display; the base can include a housing; a counterweight located inside the housing; a plurality of wheel assemblies combined with the housing to move the housing; and a roller combined with the housing between the plurality of wheel assemblies.

[0014] Effect of the Invention

[0015] The effects of the display device according to the present application are described as follows.

[0016] According to at least one of the embodiments of the present application, a display device having a stand supporting a display can be provided.

[0017] According to at least one of the embodiments of the present application, a structure of a base of a stand of a display device can be provided.

[0018] According to at least one of the embodiments of the present application, a structure of a base capable of improving stability of a stand of a display device can be provided.

[0019] According to at least one of the embodiments of the present application, a structure of a base of a stand capable of preventing a display from being upside down can be provided.

[0020] The range of applicability of the present application can become clear from the following detailed description. However, since various changes and modifications within the spirit and scope of the present application can be clearly understood by those skilled in the art, it should be understood that the detailed description and specific embodiments such as the preferred embodiments of the present application are provided only as examples. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a front view of a display device according to an embodiment of the present application.

[0022] Figure 2 is a back perspective view of a display device according to an embodiment of the present application.

[0023] Figure 3 is an exploded perspective view of a display according to an embodiment of the present application.

[0024] Figure 4This is an exploded perspective view showing an example of a backlight unit according to an embodiment of the present invention.

[0025] Figure 5 This is an exploded perspective view showing another example of a backlight unit according to an embodiment of the present invention.

[0026] Figure 6 This is a perspective view of the base according to an embodiment of the present invention.

[0027] Figure 7 This is an exploded perspective view of the base according to an embodiment of the present invention.

[0028] Figure 8 This is a perspective view of the bottom shell of an embodiment of the present invention.

[0029] Figure 9 This is a partial perspective view of the bottom shell of an embodiment of the present invention.

[0030] Figure 10 This is an exploded perspective view of a bracket according to an embodiment of the present invention.

[0031] Figure 11 This is a perspective view of the bottom surface of a bracket according to an embodiment of the present invention.

[0032] Figure 12 This is a perspective view of the bottom shell and bracket according to an embodiment of the present utility model.

[0033] Figure 13 This is a cross-sectional perspective view showing a portion of the base according to an embodiment of the present invention.

[0034] Figure 14 This is an exploded perspective view of the counterweight according to an embodiment of the present invention.

[0035] Figure 15 This is a diagram illustrating the combination relationship between the counterweight and wheel assembly according to an embodiment of the present invention.

[0036] Figure 16 This is an exploded perspective view of the base according to an embodiment of the present invention.

[0037] Figure 17 This is a perspective view showing the connection between the counterweight and the plate in an embodiment of the present invention.

[0038] Figure 18 This is a cross-sectional view showing the assembly relationship of the base according to an embodiment of the present invention.

[0039] Figure 19 This is a perspective view of the counterweight according to another embodiment of the present invention.

[0040] Figure 20 This is a top view of the counterweight according to another embodiment of the present invention.

[0041] Figure 21 This is a top view of the counterweight according to another embodiment of the present invention.

[0042] Figure 22 This is a perspective view of the bottom surface of the top shell according to an embodiment of the present invention.

[0043] Figure 23 This is a cross-sectional view showing the assembly relationship of the housing according to an embodiment of the present invention.

[0044] Figure 24 This is a cross-sectional view of a wheel assembly according to an embodiment of the present invention.

[0045] Figure 25 This is a bottom view showing the configuration of a wheel assembly according to an embodiment of the present invention.

[0046] Figure 26 This is a top view of the combination of the counterweight and wheel assembly according to an embodiment of the present invention.

[0047] Figure 27 This is a perspective view showing a base with a support member according to an embodiment of the present invention.

[0048] Figure 28 This is a perspective view of the bottom surface of the base according to an embodiment of the present utility model.

[0049] Figure 29 This is a cross-sectional view of the base and support member according to an embodiment of the present invention.

[0050] Figure 30 This is an enlarged sectional view of the base and support member according to an embodiment of the present invention.

[0051] Figure 31 This is a bottom perspective view showing the configuration of the support member and wheel assembly according to an embodiment of the present invention.

[0052] Figure 32 This is a perspective view of the bottom surface of a base incorporating rollers, according to another embodiment of the present invention.

[0053] Figure 33 This is a perspective view showing the connection relationship between the roller and the housing according to another embodiment of the present invention.

[0054] Figure 34 This is a top view showing the configuration of a roller and wheel assembly according to another embodiment of the present invention.

[0055] Figure 35 This is a side view showing the state of the support member in contact with the ground according to an embodiment of the present invention.

[0056] Figure 36This is a side view showing the state of the roller in contact with the ground according to another embodiment of the present invention. Detailed Implementation

[0057] Hereinafter, the embodiments disclosed in this specification will be described in detail with reference to the accompanying drawings. Unless otherwise specified in the drawing numbers, the same or similar structural elements will be given the same reference numerals, and repeated descriptions thereof will be omitted.

[0058] The suffixes “module” and “section” used for structural elements in the following description are merely for the convenience of writing the specification and do not have any distinguishing meaning or function.

[0059] Furthermore, in describing the embodiments disclosed in this specification, detailed descriptions of relevant prior art will be omitted if it is determined that such detailed descriptions would obscure the essence of the embodiments disclosed in this specification. Additionally, the accompanying drawings are only for aiding understanding of the embodiments disclosed in this specification, and should be understood as not limiting the technical concepts disclosed in this specification to the drawings, but including all modifications, equivalents, and substitutions within the scope of the present invention.

[0060] Terms including ordinal numbers, such as "first" and "second," can be used to describe a variety of structural elements; however, these structural elements are not limited to these terms. These terms are used only to distinguish one structural element from another.

[0061] When referring to the combination, fixation, mounting, connection, or linking of one component with another, there may be another component between them. Conversely, when referring to the direct combination, fixation, mounting, connection, or linking of one component with another, there may not be another component between them.

[0062] Unless the context clearly indicates otherwise, singular expressions include plural expressions.

[0063] In this application, the terms “comprising” or “having” should be understood as indicating the presence of features, figures, steps, actions, structural elements, components or combinations thereof disclosed in this specification, rather than as excluding in advance the presence or additional possibilities of more than one other feature, figure, step, action, structural element, component or combination thereof.

[0064] The directional indicators U, D, Le, Ri, F, and R shown in the attached figures are for illustrative purposes only, and the technical concepts described in this application are not limited thereto.

[0065] Reference Figure 1 and Figure 2 The display device 1 may include a display 10. The display 10 may include a display panel 11 for displaying images. The front of the display panel 11 may display images. The display 10 may be referred to as a display unit 10 or a head 10.

[0066] The display 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. On the other hand, 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.

[0067] The directions parallel to the plurality of short sides SS1, SS2 of the display 10 can be called the up-down directions. The directions parallel to the plurality of long sides LS1, LS2 of the display 10 can be called the left-right directions. The directions perpendicular to the plurality of short sides SS1, SS2 and the plurality of long sides LS1, LS2 of the display 10 can be called the front-back directions.

[0068] The direction in which the image is displayed on the monitor 10 can be referred to as the front (F, z) and the opposite direction 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 referred to as the right side (Ri). The first long side LS1 can be referred to as the top side (U, y). The second long side LS2 can be referred to as the bottom side (D).

[0069] 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 display 10. The point where the first long side LS1, the second long side LS2, the first short side SS1, and the second short side SS2 intersect can be referred to as a corner. The point where the first long side LS1 and the first short side SS1 intersect can be referred to as the first corner C1. The point where the first short side SS1 and the second long side LS2 intersect can be referred to as the second corner C2. The point where the second long side LS2 and the second short side SS2 intersect can be referred to as the third corner C3. The point where the second short side SS2 and the first long side LS1 intersect can be referred to as the fourth corner C4.

[0070] The stand S can support the display 10. The stand S of the display device 1 can be placed on the ground, and the display 10 of the display device 1 can be separated from the ground by the stand S. The stand S may include a base 20, a pole 30, a connector 40, and a support arm 50.

[0071] The base 20 can be placed on the ground. The base 20 can be circular or polygonal. Multiple wheels 20W can be mounted on the base 20. The base 20 can be referred to as a mobile base 20.

[0072] The rod 30 can extend from the base 20. The length direction of the rod 30 can be vertical. The lower end of the rod 30 can be joined to the periphery of the base 20 adjacent to it.

[0073] The support arm 50 can extend in a direction intersecting the rod 30. The support arm 50 can be coupled to the upper end of the rod 30 adjacent to it. The connector 40 can be located between the display 10 and the rod 30, and can be coupled to both the display 10 and the rod 30.

[0074] Thus, the monitor 10 can be supported by the bracket S and can be set apart from the ground where the base 20 is placed.

[0075] On the other hand, a battery (not shown) may be built into the base 20, the rod 30, the support arm 50, and / or the display 10. The display device 1 can receive power from the battery to operate.

[0076] Reference Figure 3 The display 10 may include a display panel 11, a middle cabinet 12, a frame 13, a side frame 14, and a rear cover 15.

[0077] Display panel 11 can form the front of display 10. For example, display panel 11 can be an LCD (Liquid Crystal Display) panel, an OLED (Organic Light Emitting Diode) panel, or an LED (Light Emitting Diode) panel. Display panel 11 can divide an image into a plurality of pixels and adjust 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 an inactive area for not displaying the image. Display panel 11 can emit light corresponding to red, green, or blue according to a control signal.

[0078] The intermediate housing 12 may extend along the edge of the display panel 11. The horizontal portion 12H may be located in front of the display panel 11. The vertical portion 12V may intersect with the horizontal portion 12H and may cover the side of the display panel 11. The intermediate housing 12 may also be omitted.

[0079] The frame 13 can be located behind the display panel 11. Electronic components such as PCBs (Printed Circuit Boards) can be mounted on the frame 13. For example, power boards, timing control boards, and motherboards can be integrated into the rear of the frame 13.

[0080] The side frame 14 may extend along the edge of the frame 13. The side frame 14 may form the edge of the display 10. The horizontal portion 14H may be located in front of the horizontal portion 12H of the intermediate housing 12. The vertical portion 14V may cover the vertical portion 12V of the intermediate housing 12.

[0081] Back cover 15 (reference) Figure 2 The back cover 15 can form the back of the display 10. The back cover 15 can cover the back of the frame 13 and can be attached to the frame 13.

[0082] Reference Figure 3 and Figure 4 The backlight unit 110 may be located between the display panel 11 and the frame 13, and may be integrated with the frame 13. The display panel 11 may be referred to as the LCD panel 11. The backlight unit 110 may include an optical layer 111 and an optical sheet 112.

[0083] The optical layer 111 may include a substrate 111a, at least one light source 111b such as an LED (Light Emitting Diode), a reflector 111c, and a diffuser 111d. The reflector 111c may have an aperture 111h for the light source 111b. The diffuser 111d may be located in front of the reflector 111c. A spacer 111s may support the back side of the diffuser 111d between the reflector 111c and the diffuser 111d.

[0084] Optical sheet 112 may be located in front of diffuser plate 111d. Optical sheet 112 may include at least one of diffuser sheet and prism sheet.

[0085] Thus, the light from the light source 111b can be provided to the display panel 11 through the diffuser plate 111d and the optical sheet 112. On the other hand, the display panel 11 of this invention can also be an OLED panel or other types of panels that do not require the aforementioned backlight unit 110.

[0086] Reference Figure 3 and Figure 5 The backlight unit 110' can be located between the display panel 11 and the frame 13, and can be integrated with the frame 13. The display panel 11 can be referred to as the LCD panel 11. The backlight unit 110' can include an optical layer 111' and an optical sheet 112.

[0087] The optical layer 111′ may include a substrate 111a′, at least one light source 111b′ such as an LED, a reflector 111f, and a light guide plate 111e. The light guide plate 111e may be located between the frame 13 and the optical sheet 112 and may be supported by the frame 13. The reflector 111f may be located between the frame 13 and the light guide plate 111e and may be supported by the frame 13.

[0088] Therefore, light from the light source 111b' can be provided to the display panel 11 through the light guide plate 111e and the optical sheet 112. On the other hand, the display panel 11 of this invention can also be an OLED panel or other types of panels that do not require the aforementioned backlight unit 110'.

[0089] Reference Figure 6 and Figure 7 The base 20 may include a counterweight 21, a plate 22, a bracket 23, a housing 20C, and a wheel assembly 26.

[0090] The counterweight 21 may be a circular (i.e., circular or elliptical) ring shape as a whole. Alternatively, the counterweight 21 may also be a polygonal ring shape, such as a quadrilateral ring. Alternatively, the counterweight 21 may be a circular or polygonal ring shape with a partially broken section. The counterweight 21 may be made of metal. The counterweight 21 may be made of cast iron. The counterweight 21 may be referred to as a counterweight plate 21, plate 21, or block 21.

[0091] Plate 22 may be located on counterweight 21. Plate 22 may be quadrilateral in shape. Alternatively, plate 22 may be circular or elliptical in shape. Plate 22 may be made of metal. Plate 22 may be a steel plate. Plate 22 may be hot-rolled galvanized steel (HGI). Plate 22 may be referred to as protective plate 22.

[0092] The bracket 23 may be located below the counterweight 21. The bracket 23 may be made of die-cast aluminum. The bracket 23 may be referred to as a pole bracket 23 or a base bracket 23.

[0093] The housing 20C can form the appearance of the base 20. The counterweight 21, plate 22, and bracket 23 can be located inside the housing 20C. The housing 20C can have an overall flat, round box shape. Alternatively, the housing 20C can also have an overall polygonal box shape, such as a quadrilateral box. The housing 20C can be made of plastic material. The housing 20C can be referred to as a cover 20C. The housing 20C can include a bottom shell 24 and a top shell 25.

[0094] The bottom shell 24 can form the bottom of the shell 20C. The bottom shell 24 can be tub-shaped with an upward opening. The bottom shell 24 can be referred to as the lower shell 24 or the first shell 24.

[0095] The top shell 25 can form the top of the shell 20C. The top shell 25 can be barrel-shaped with an opening to the lower side. The counterweight 21, plate 22, and bracket 23 can be located between the bottom shell 24 and the top shell 25. The top shell 25 can be referred to as the upper shell 25 or the second shell 25.

[0096] Wheel assembly 26 can be mounted on the bottom of base shell 24. Wheel assembly 26 can space base shell 24 from the ground upwards. Base 20 with wheel assembly 26 can move on the ground. Base 20 can be referred to as mobile base 20.

[0097] Reference Figure 8 and Figure 9 The bottom shell 24 of the cover 20C may include a bottom portion 241 and a side portion 242. The bottom portion 241 may form the bottom of the bottom shell 24. The bottom portion 241 may have a disk shape. A plurality of ribs 241H, 241V may be formed on the bottom portion 241. The plurality of horizontal ribs 241H and the plurality of vertical ribs 241V may intersect each other. The side portion 242 may be disposed along the edge of the bottom portion 241. The side portion 242 may project upward from the edge of the bottom portion 241 and may extend along the edge.

[0098] The wheel cover 243 can be recessed from the bottom surface of the bottom portion 241. The wheel cover 243 can be formed by pressing upwards from the bottom surface of the bottom portion 241. The wheel cover 243 can be adjacent to the side portion 242. The wheel cover 243 can include a first portion 243a and a second portion 243b. The first portion 243a can be a hollow cylinder protruding upwards from the top surface of the bottom portion 241. The second portion 243b can be bent inwards from the upper end of the first portion 243a. A through hole 243c can be formed in the second portion 243b and can communicate with the hollow portion of the first portion 243a. A hole 243d can be formed in the second portion 243b and can be spaced apart from the through hole 243c. A pair of holes 243d can be opposite each other across the through hole 243c. The wheel cover 243 can be referred to as a counterweight mounting base 243, a mounting base 243, or a recess 243.

[0099] A plurality of wheel covers 2431, 2432, 2433, 2434, and 2435 may be configured along the side portion 242 of the base shell 24. The plurality of wheel covers 2431, 2432, 2433, 2434, and 2435 may be coupled with a plurality of wheel assemblies 261, 262, 263, 264, and 265 (see reference). Figure 7 )correspond.

[0100] A plurality of ribs 244 may be formed on the sidewalls and bottom portion 241 of the first portion 243a of the wheel cover body 243. A plurality of ribs 245 may be formed on the inner surface of the side portion 242 and may be arranged along the side portion 242.

[0101] A connecting portion 246 may be formed on the bottom portion 241. The connecting portion 246 may protrude upward from the bottom portion 241. The connecting portion 246 may have a hole. A plurality of connecting portions 246 may be adjacent to each other. A plurality of connecting portions 246 may be located at the rear of the bottom portion 241. A plurality of connecting portions 246 may be located between the first wheel cover 2431 and the second wheel cover 2432.

[0102] A fixing portion 247 may be formed on the bottom portion 241. The fixing portion 247 may protrude upward from the bottom portion 241. The fixing portion 247 may have a hole. A plurality of fixing portions 2471, 2472, 2473, and 2474 may be arranged along the side portion 242. The first fixing portion 2471 may be located between the second wheel cover 2432 and the third wheel cover 2433, and may be adjacent to the second wheel cover 2432. The second fixing portion 2472 may be located between the third wheel cover 2433 and the fourth wheel cover 2434. The third fixing portion 2473 may be located between the fourth wheel cover 2434 and the fifth wheel cover 2435. The fourth fixing portion 2474 may be located between the fifth wheel cover 2435 and the first wheel cover 2431, and may be adjacent to the first wheel cover 2431. The first fixing portion 2471 to the fourth fixing portion 2474 may be located at the vertices of a quadrilateral.

[0103] Reference Figure 10 to Figure 12 The bracket 23 can be located between the first wheel cover 2431 and the second wheel cover 2432. The bracket 23 may include a main body 230 and a wall 231.

[0104] The main body 230 can be located between the first round cover 2431 and the second round cover 2432, and can be located at a plurality of joints 246 (see reference). Figure 9 The main body 230 can have a flat block shape as a whole. A first groove 2301 can be formed on a first side 230A of the main body 230 and can extend along the side of the first portion 243a of the first wheel cover 2431. A second groove 2302 can be formed on a second side 230B of the main body 230 and can extend along the side of the first portion 243a of the second wheel cover 2432.

[0105] A wall 231 may be formed on the body 230. The wall 231 may protrude upward from the top surface of the body 230. The wall 231 may have an open ring shape. A guide rib 231R may protrude from the inner side of the wall 231. The guide rib 231R may be located between the two ends of the wall 231.

[0106] A through hole 230H can be formed in the main body 230. The through hole 230H can be located inside the wall 231. A protrusion 230E can protrude from the bottom surface of the main body 230, and the through hole 230H can be formed in the protrusion 230E. A step can be formed between the protrusion 230E and the bottom surface of the main body 230. A protrusion 230F can protrude from the bottom surface of the main body 230. A first protrusion 230Fa can be adjacent to a first side edge 230A of the main body 230 and can be adjacent to a front edge of the main body 230. A second protrusion 230Fb can be adjacent to a second side edge 230B of the main body 230 and can be adjacent to a front edge of the main body 230.

[0107] The first channel 230P can be recessed from the top surface of the body 230. The first channel 230P can be referred to as the first cable channel 230P or the first guide groove 230P. One end of the first channel 230P can be adjacent to the through hole 230H, and the other end of the first channel 230P can open to the outside of the body 230.

[0108] The second channel 230Q can be recessed from the top surface of the main body 230. The second channel 230Q can be referred to as the second cable channel 230Q or the second guide groove 230Q. One end of the second channel 230Q can be located on the outside of the wall 231, and the other end of the second channel 230Q can open to the outside of the main body 230. A protrusion 232 can protrude from the outer side of the wall 231 and can be provided corresponding to the second channel 230Q. A hole 233 can be formed in the second channel 230Q corresponding to the protrusion 232.

[0109] The third channel 230R can be recessed from the bottom surface of the main body 230. The third channel 230R can be referred to as the third cable channel 230R or the third guide groove 230R. One end of the third channel 230R can be adjacent to the through hole 230H, and the other end of the third channel 230R can open to the outside of the main body 230.

[0110] The bottom connector 27 may include a body 270, a bottom cover 271, and a pin 272. The body 270 may be located in the through hole 230H. A plurality of wings 273 may extend from the side of the body 270. A first wing 273a and a second wing 273b may be opposite each other across the body 270. A first recess 230Ga on the inner side of the wall 231 may be recessed from the top surface of the body 230, and the first wing 273a may be located on the first recess 230Ga. A second recess 230Gb on the inner side of the wall 231 may be recessed from the top surface of the body 230, and the second wing 273b may be located on the second recess 230Gb. A plurality of fastening members F7 may pass through the wings 273a and 273b and engage with holes 230Gah and 230Gbh in the plurality of recesses 230Ga and 230Gb. For example, the plurality of fastening members F7 may be screws. One end of the first channel 230P can be adjacent to the body 270 of the bottom connector 27, and the cable connected to the bottom connector 27 can be located in the first channel 230P.

[0111] The substrate 28 may be disposed adjacent to the wall 231 on the body 230. The substrate 28 may be a PCB. The substrate 28 may be located at the rear of the body 230. The guide wall 234 may protrude from the body 230 and may extend along a portion of the substrate 28. The fastening member F8 may pass through the substrate 28 and engage with a hole 230U in the body 230. For example, the fastening member F8 may be a screw. One end of the second channel 230Q may be adjacent to the substrate 28, and the cable connected to the substrate 28 may be located in the second channel 230Q. For example, a port 28U, such as a USB terminal, may be mounted on the substrate 28. The port 28U may be a USB Type-C terminal.

[0112] A socket 29 can be attached to the rear of the protrusion 230E. A fastening member F9, such as a screw, can secure the socket 29 to the protrusion 230E. The socket 29 can be provided corresponding to the through hole 230H. A slot 242s can be formed in the side portion 242, through which the socket 29 protrudes to the outside. A power cable connected to an external power source can be electrically connected to the socket 29. One end of the third channel 230R can be adjacent to the socket 29, and the cable connected to the socket 29 can be located in the third channel 230R.

[0113] Reference Figure 13 The protrusion 230E of the bracket 23 can be located on the joint 246 of the bottom shell 24. The protrusion 230F of the bracket 23 ( Figure 11 The bracket 23 can be located on the bottom portion 241 of the bottom shell 24. Thus, the bottom of the protrusion 230E of the bracket 23 can be separated from the top surface of the bottom portion 241.

[0114] The fastening member F3 can penetrate the joint 246 to engage with the hole 230D in the protrusion 230E. A plurality of holes 230D (see reference). Figure 10 The fastening member F3 and the plurality of holes 230D can be located inside the wall 231 of the bracket 23. A portion of the fastening member F3 can protrude towards the upper side of the bracket 23. For example, the fastening member F3 can be a (long) bolt. Thus, the bracket 23 can be attached to the base shell 24.

[0115] A slot 252s can be formed on the side portion 252 of the top shell 25. A charging cable connected to an external electronic device can be electrically connected via the slot 252s to a port 28U mounted on the substrate 28. The port 28U can be a USB-C connector. The external electronic device can receive power from the port 28U.

[0116] Reference Figure 14 to Figure 16 The counterweight 21 can be located on the wheel cover 243 and the bracket 23. The counterweight 21 can cover a portion of the wheel cover 243 and the bracket 23. The counterweight 21 can include a main body 210 and a wheel mounting base 211.

[0117] The main body 210 can be located on the bottom portion 241 of the bottom shell 24. The edge of the main body 210 can be configured along the side portion 242 of the bottom shell 24. The first groove 210Ga can be recessed from the side of the main body 210 and can be located between the fourth wheel cover 2434 and the fifth wheel cover 2435. The second groove 210Gb can be recessed from the side of the main body 210 and can be located between the third wheel cover 2433 and the fourth wheel cover 2434.

[0118] The wheel mount 211 may be recessed from the bottom surface of the main body 210. The wheel mount 211 may also be recessed from the side of the main body 210. The wheel cover 243, which is coupled to the wheel mount 211, may be adjacent to the side portion 242 of the bottom shell 24. The wheel mount 211 may be referred to as a recess 211 or a groove 211. The wheel mount 211 may open outwards from the main body 210. The wheel mount 211 may correspond to the wheel cover 243 of the bottom shell 24. The sidewall of the wheel mount 211 may extend along the side of the first portion 243a of the wheel cover 243. The sidewall of the wheel mount 211 may extend along an arc.

[0119] Each of the plurality of wheel mounting bases 2111, 2112, 2113, 2114, and 2115 can be respectively provided with each of the plurality of wheel covers 2431, 2432, 2433, 2434, and 2435. Each of the plurality of wheel assemblies 26 can be located at each of the plurality of wheel covers 2431, 2432, 2433, 2434, and 2435, and can be combined with each of the plurality of wheel mounting bases 2111, 2112, 2113, 2114, and 2115.

[0120] The first wheel mounting base 2111 can be recessed from the bottom surface of the main body 210 and can cover the first wheel cover 2431. The sidewall of the first wheel mounting base 2111 can extend along a portion of the side of the first portion 243a of the first wheel cover 2431. The wheel plate 26a of the first wheel assembly 261 can be located under the first wheel mounting base 2111 through the hole 243c of the first wheel cover 2431. The first wheel mounting base 2111 can be located on the second portion 243b of the first wheel cover 2431. A fastening member Fa, such as a screw, can penetrate the wheel plate 26a and engage with the first hole 211a of the first wheel mounting base 2111. A fastening member Fb, such as a screw, can penetrate the second portion 243b of the first wheel cover 2431 and engage with the second hole 211b of the first wheel mounting base 2111.

[0121] The second wheel mounting base 2112 can be recessed from the bottom surface of the main body 210 and can cover the second wheel cover 2432. The sidewall of the second wheel mounting base 2112 can extend along a portion of the side of the first portion 243a of the second wheel cover 2432. The wheel plate 26a of the second wheel assembly 262 can be located under the second wheel mounting base 2112 through the hole 243c of the second wheel cover 2432. The second wheel mounting base 2112 can be located on the second portion 243b of the second wheel cover 2432. A fastening member Fa, such as a screw, can penetrate the wheel plate 26a and engage with the first hole 211a of the second wheel mounting base 2112. A fastening member Fb, such as a screw, can penetrate the second portion 243b of the second wheel cover 2432 and engage with the second hole 211b of the second wheel mounting base 2112.

[0122] The third wheel mounting base 2113 can be recessed from the bottom surface of the main body 210 and can cover the third wheel cover 2433. The sidewall of the third wheel mounting base 2113 can extend along a portion of the side of the first part 243a of the third wheel cover 2433. The wheel plate 26a of the third wheel assembly 263 can be located under the third wheel mounting base 2113 through the hole 243c of the third wheel cover 2433. A fastening member Fa, such as a screw, can penetrate the wheel plate 26a and engage with the first hole 211a of the third wheel mounting base 2113. A fastening member Fb, such as a screw, can penetrate the second part 243b of the third wheel cover 2433 and engage with the second hole 211b of the third wheel mounting base 2113.

[0123] The fourth wheel mounting base 2114 can be recessed from the bottom surface of the main body 210 and can cover the fourth wheel cover 2434. The sidewall of the fourth wheel mounting base 2114 can extend along a portion of the side of the first portion 243a of the fourth wheel cover 2434. The wheel plate 26a of the fourth wheel assembly 264 can be located under the fourth wheel mounting base 2114 through the hole 243c of the fourth wheel cover 2434. A fastening member Fa, such as a screw, can penetrate the wheel plate 26a and engage with the first hole 211a of the fourth wheel mounting base 2114. A fastening member Fb, such as a screw, can penetrate the second portion 243b of the fourth wheel cover 2434 and engage with the second hole 211b of the fourth wheel mounting base 2114.

[0124] The fifth wheel mounting base 2115 can be recessed from the bottom surface of the main body 210 and can cover the fifth wheel cover 2435. The sidewall of the fifth wheel mounting base 2115 can extend along a portion of the side of the first portion 243a of the fifth wheel cover 2435. The wheel plate 26a of the fifth wheel assembly 265 can be located under the fifth wheel mounting base 2115 through the hole 243c of the fifth wheel cover 2435. A fastening member Fa, such as a screw, can penetrate the wheel plate 26a and engage with the first hole 211a of the fifth wheel mounting base 2115. A fastening member Fb, such as a screw, can penetrate the second portion 243b of the fifth wheel cover 2435 and engage with the second hole 211b of the fifth wheel mounting base 2115.

[0125] Hole 210H can be formed in the main body 210. Hole 210H can be formed by penetrating the main body 210 along its thickness direction. Hole 210H can be a quadrilateral hole formed in the central part of the main body 210. Hole 210H can be referred to as the hollow part 210H of the counterweight 21.

[0126] The inner rib 210R can protrude from the boundary of the forming hole 210H of the body 210. The inner rib 210R can be closer to the bottom surface than the top surface of the body 210. A plurality of inner ribs 210R can protrude from the corners of the boundary of the forming hole 210H of the body 210. The first joint portion 210Ca can protrude from the top surface of the first inner rib 210Ra. The second joint portion 210Cb can protrude from the top surface of the second inner rib 210Rb. The third joint portion 210Cc can protrude from the top surface of the third inner rib 210Rc. The fourth joint portion 210Cd can protrude from the top surface of the fourth inner rib 210Rd.

[0127] A groove 210S can be formed between the first wheel mounting base 2111 and the second wheel mounting base 2112. The groove 210S can be located between the first inner rib 210Ra and the second inner rib 210Rb. The cover portion 21C can be the portion above the groove 210S forming the counterweight 21. A recess 21G can be formed from the edge of the cover portion 21C toward the inside of the cover portion 21C.

[0128] The cover 21C can cover the main body 230 of the bracket 23. The cover 21C can cover the first channel 230P and the second channel 230Q of the main body 230. The wall 231 can be inserted into the groove 21G of the counterweight 21. The wall 231 can protrude upward from the top surface of the counterweight 21. A portion of the base plate 28 can be located in the groove 21G. A fastening member F2, such as a screw, can penetrate the cover 21C to engage with the hole 230H of the main body 230. The pin 230P of the main body 230 can be inserted into the hole 21H of the cover 21C to guide the engagement of the counterweight 21 with the bracket 23.

[0129] Reference Figure 16 and Figure 17 Multiple ribs 245 may be adjacent to the side of the counterweight 21.

[0130] Plate 22 may be located on body 210. Plate 22 may cover hole 210H in body 210. Plate 22 may have a shape corresponding to hole 210H. Plate 22 may be quadrilateral plate 22. Plate 22 may include body 221 and rim 222 extending along the edge of body 221. Rim 222 may be formed by pressing body 221 downward.

[0131] Fastening members such as screws Fc can pass through edge 222 to engage with holes 210F in body 210. Multiple screws Fc can be located at the vertices of a triangle. Guide pins 22P can protrude from the bottom surface of edge 222 and can be inserted into guide holes 210U in body 210. Guide pins 22P can guide the engagement of plate 22 with counterweight 21.

[0132] Reference Figure 18 The fixing part 212 can protrude from the bottom surface of the main body 210 of the counterweight 21. The fixing part 212 can be located on the fixing part 247 of the bottom shell 24. A plurality of fixing parts 212 (see reference) Figure 14 Each of the counterweights 21 can be aligned with each of the plurality of fixing parts 247 of the bottom shell 24. Thus, the bottom of the counterweight 21 can be separated from the top surface of the bottom part 241 of the bottom shell 24.

[0133] A fastening member F1, such as a screw, can pass through the fixing part 247 and be attached to the fixing part 212. Thus, the counterweight 21 can be attached to the bottom shell 24.

[0134] A receiving space 21S can be formed between the joint 210C and the plate 22. A substrate 20P, such as a PCB, can be mounted on a plurality of joints 210Ca, 210Cb, 210Cc, and 210Cd. The substrate 20P can be referred to as a power supply unit 20P. The substrate 20P can cover the hole 210H. A plurality of fastening members, such as screws, can fix the substrate 20P to the hole 210Ch of the plurality of joints 210Ca, 210Cb, 210Cc, and 210Cd. (See reference 210Cp) Figure 15 It can protrude from the joint 210C, can be inserted into the substrate 20P, and can guide the joint between the substrate 20P and the joint 210C.

[0135] Plate 22 can cover the substrate 20P that accommodates space 21S. Plate 22 can protect substrate 20P.

[0136] Bracket 23 (refer to) Figure 16 The main body 230 of the bracket 23 can be located in the slot 210S of the counterweight 21. The first channel 230P to the third channel 230R of the bracket 23 can face the substrate 20P of the receiving space 21S. The first cable can be located in the first channel 230P and can be connected to the bottom connector 27 (see reference). Figure 12 The second cable can be located in the second channel 230Q and can be connected to the substrate 28 (see reference). Figure 12 The substrate 20P houses the space 21S. A third cable can be located in the third channel 230R, and a connector 29 (see reference) can be used to connect to the power cable. Figure 11 The display device 1 is connected to the substrate 20P of the accommodating space 21S. The display device 1 can be driven by the power of the power cable. For example, the power cable can supply power to the battery of the display 10 through the cable C described above and below.

[0137] With reference Figure 14 to Figure 18 The description of the counterweight 21 with hole 210H is different, such as Figure 19 to Figure 21 As shown, the counterweight 21' may include a recess 210H'. The recess 210H' can be recessed from the top surface of the body 210 of the counterweight 21'. The recess 210H' may be a replacement hole 210H (see reference). Figure 14 and Figure 15 A quadrilateral groove is formed in the center of the main body 210. The bottom 210P' of the recess 210H' can form a step descending from the top surface of the main body 210. The bottom 210P' can be entirely flat. A groove 210S can be formed on the sidewall of the recess 210H'. Bracket 23 (see reference) Figure 12 The cable channels 230P, 230Q, and 230R (see reference 210S) are located in the slot 210S. Figure 12Multiple cables can be electrically connected to the substrate of the recess 210H′.

[0138] A plurality of joints 210Ca, 210Cb, 210Cc, and 210Cd may protrude from the bottom 210P′. A plurality of through holes (210Ph) may be formed on the bottom 210P′. A substrate such as a PCB (not shown) may be mounted on the plurality of joints 210Ca, 210Cb, 210Cc, and 210Cd.

[0139] Plate 22 can be attached to the top surface of the main body 210 of counterweight 21′, and can cover the recess 210H′. Plate 22 can protect substrate 20P. The bottom 210P′ of the recess 210H′ can minimize electromagnetic interference (EMI) on substrate 20P on the plurality of joints 210Ca, 210Cb, 210Cc, 210Cd.

[0140] On the other hand, the first groove 210Ga can be recessed from the side of the main body 210 and can be located between the fifth wheel mounting base 2115 and the fourth wheel mounting base 2114. The second groove 210Gb can be recessed from the side of the main body 210 and can be located between the fourth wheel mounting base 2114 and the third wheel mounting base 2113. The third groove 210Gc can be recessed from the side of the main body 210 and can be located between the third wheel mounting base 2113 and the second wheel mounting base 2112. The fourth groove 210Gd can be recessed from the side of the main body 210 and can be located between the first wheel mounting base 2111 and the fifth wheel mounting base 2115.

[0141] Reference Figure 22 and Figure 23 The top shell 25 of the cover 40C may include a top portion 251 and a side portion 252. The top portion 251 may form the top of the top shell 25. The top portion 251 may have a disk shape. A plurality of ribs 251H, 251V may be formed on the bottom surface of the top portion 251. The plurality of horizontal ribs 251H and the plurality of vertical ribs 251V may intersect each other. The side portion 252 may be disposed along the edge of the top portion 251. The side portion 252 may protrude downward from the edge of the top portion 251 and may extend along the edge. A hole 25P may be formed adjacent to the side portion 252 in the top portion 251.

[0142] Guide ribs 253 may protrude from the inside of side portion 252. Guide ribs 253 may include a first portion 2531 and a second portion 2532. The first portion 2531 may protrude from the inside of side portion 252, and the second portion 2532 may bend downward from the end of the first portion 2531. A plurality of guide ribs 253 may be arranged along side portion 252. Side portion 242 of bottom shell 24 may be inserted between side portion 252 of top shell 25 and the second portion 2532 of guide rib 253.

[0143] Hook 254 may protrude from the inside of side portion 252. Hook 254 may be adjacent to the lower end of side portion 252. Hook 254 may be configured along side portion 252. Hook 254 may be located between a pair of guide ribs 253. Hook 254 of top shell 25 may be inserted into and engaged with hole 245H of side portion 242 of bottom shell 24.

[0144] Thus, the top shell 25 can be attached to the bottom shell 24. The top shell 25 can cover a portion of the counterweight 21, plate 22, and bracket 23. The internal space 20S of the base 20 can be formed between the bottom shell 24 and the top shell 25, and a plurality of internal components of the base 20 can be arranged in the internal space 20S.

[0145] Reference Figure 24 The wheel assembly 26 may include a wheel plate 26a, a guide rod 26b (stem), a body 26c, a ball 26d, a shaft 26e, a wheel 26f, and a bearing 26g. The wheel assembly 26 may be referred to as a caster 26 or a swivel caster 26.

[0146] Wheel plate 26a may be integrally quadrilateral in shape. Wheel plate 26a may be located in the through hole 243c of wheel cover body 243. Wheel mounting base 211 may be located on the second part 243b of wheel cover body 243 and wheel plate 26a. Wheel plate 26a may be fastened by fastening member Fa such as screw (see reference). Figure 15 and Figure 16 The second part 243b is fixed to the wheel mounting base 211. The second part 243b can be fastened by a fastening member Fb such as a screw (see reference). Figure 15 and Figure 16 It is fixed to the wheel mounting base 211.

[0147] The guide rod 26b can be located inside the first part 243a of the wheel cover 243 and can protrude downward from the wheel plate 26a. The guide rod 26b can extend long in the vertical direction. The first part 26ba of the guide rod 26b can be located below the wheel plate 26a, and the second part 26bb of the guide rod 26b can be riveted and fixed to the recess 26ag formed on the top surface of the wheel plate 26a.

[0148] The main body 26c can be positioned opposite the wheel plate 26a across the guide rod 26b. The first part 26ca of the main body 26c can surround a portion of the guide rod 26b. The second part 26cb and the third part 26cc of the main body 26c can protrude downwards from the first part 26ca and can be horizontally spaced apart from each other (see reference). Figure 25 ).

[0149] The ball 26d can be located between the groove (unmarked) at the lower end of the guide rod 26b and the groove (unmarked) formed on the inner surface of the body 26c. The body 26c can rotate about the length axis A1 of the guide rod 26b.

[0150] Axis 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 (see reference). Figure 25 ).

[0151] Wheel 26f can be located in the second part 26cb and the third part 26cc of the main body 26c (see reference). Figure 25 Between the base 24 and the outer circumferential surface of the shaft 26e, the wheel 26f may protrude downward from the bottom surface of the base 24 (refer to distance Dw). The wheel 26f may be made of rubber, silicone, resin, or ABS material.

[0152] Bearing 26g can be located between shaft 26e and wheel 26f, and can be coupled to shaft 26e and wheel 26f. Bearing 26g can include an inner ring 26ga, an outer ring 26gb, and a plurality of rotating components 26gc. Inner ring 26ga can be coupled to the outer circumference of shaft 26e. Outer ring 26gb can have the same center as inner ring 26ga and can have a diameter larger than inner ring 26ga. The plurality of rotating components 26gc can be rotatably coupled between inner ring 26ga and outer ring 26gb. The plurality of rotating components 26gc can be a plurality of balls or a plurality of rollers. Bearing 26g can support wheel 26f to rotate relative to shaft 26e.

[0153] Therefore, wheel 26f can rotate around axis A2 in the longitudinal direction of shaft 26e. Alternatively, wheel 26f can rotate around axis A1 in the longitudinal direction of guide rod 26b. That is, wheel 26f can rotate around two axes. The center of shaft 26e can deviate from axis A1 in the longitudinal direction of guide rod 26b by a predetermined distance e. Therefore, base 20 can move smoothly on the ground using wheel assembly 26.

[0154] Reference Figure 25 and Figure 26 Multiple wheel assemblies 26 can be configured along the edge of the bottom portion 2241 of the bottom shell 24.

[0155] The angle between the first wheel assembly 261 and the second wheel assembly 262 relative to the center O of the base 20 1 can be the smallest angle among the multiple wheel components 261, 262, 263, 264, and 265.

[0156] The angle θ2 between the second wheel assembly 262 and the third wheel assembly 263 relative to the center O of the base 20 can be greater than the angle θ2. 1. The angle between the third wheel assembly 263 and the fourth wheel assembly 264 relative to the center O of the base 20. 3 can be greater than the angle 1. The angle between the fourth wheel assembly 264 and the fifth wheel assembly 265 relative to the center O of the base 20. 4 can be greater than the angle 1. The angle between the fifth wheel assembly 265 and the first wheel assembly 261 relative to the center O of the base 20. 5 can be greater than the angle. 1. For example, multiple angles 2. 3. 4. 5 can be the same as each other or slightly different.

[0157] Reference Figure 27 and Figure 28 The support member 60 can be attached to the housing 20C of the base 20. The support member 60 can also be attached to the outer surface of the bottom shell 24. There can be a plurality of support members 60, which can be spaced apart from each other along the circumferential direction of the base 20. For example, a first support member 60a can be disposed between the first wheel assembly 261 and the fifth wheel assembly 265, a second support member 60b can be disposed between the second wheel assembly 262 and the third wheel assembly 263, a third support member 60c can be disposed between the third wheel assembly 263 and the fourth wheel assembly 264, and a fourth support member 60d can be disposed between the fourth wheel assembly 264 and the fifth wheel assembly 265. As another example, there can be more than three support members 60.

[0158] Reference Figure 29 and Figure 30 The support member 60 may include a support wall 61 and support feet 63. The support wall 61 may form the core of the support member 60. For example, the support wall 61 may be cylindrical. Hooks 62 may extend from the upper side of the support wall 61. A plurality of hooks 62 may be arranged along the circumference of the support wall 61. For example, the plurality of hooks 62a and 62b may be four.

[0159] Support foot 63 may be coupled to support wall 61. For example, support foot 63 may be formed of an elastic material. As another example, support foot 63 may include rubber. Support foot 63 may include an inner wall 63a and an outer wall 63b. Outer wall 63b may form the exterior of support foot 63. Outer wall 63b may be cylindrical. Inner wall 63a may be located inside outer wall 63b. Inner wall 63a may be cylindrical. The diameter of inner wall 63a may be smaller than the diameter of outer wall 63b. Support foot 63 may include foot base 63c. Foot base 63c may be connected to the lower part of outer wall 63b and inner wall 63a. Foot base 63c may form the bottom surface of support foot 63. Support wall 61 may be inserted between inner wall 63a and outer wall 63b of support foot 63.

[0160] The base shell 24 may include a protrusion 249. The protrusion 249 may be aligned with the inner wall 63a of the support foot 63. The base shell 24 may include a hook hole 248. The hook hole 248 may be formed around the protrusion 249. There may be a plurality of hook holes 248. The protrusion 249 may support the counterweight 21.

[0161] Reference Figure 31 The first support member 60a can be disposed adjacent to the first wheel assembly 261 between the first wheel assembly 261 and the fifth wheel assembly 265. The second support member 60b can be disposed adjacent to the second wheel assembly 262 between the second wheel assembly 262 and the third wheel assembly 263. The third support member 60c can be disposed adjacent to the third wheel assembly 263 between the third wheel assembly 263 and the fourth wheel assembly 264. The fourth support member 60d can be disposed adjacent to the fifth wheel assembly 265 between the fourth wheel assembly 264 and the fifth wheel assembly 265. The height of the support member 60 can be less than the height of the wheel assembly 26.

[0162] The first support member 60a can form a first angle with the second support member 60b. 6. The second support member 60b can form a second angle with the third support member 60c. 7. The third support member 60c can form a third angle with the fourth support member 60d. 8. The fourth support member 60d can form a fourth angle with the first support member 60a. 9. For example, the first angle 6 can be compared with the third angle 8 corresponds to the second angle. 7 can be compared with the fourth angle 9 corresponds to.

[0163] Thus, the base 20 can be moved using the wheel assembly 26, and the support member 60 can be used to prevent the base 20 from tipping over.

[0164] Reference Figure 32 and Figure 33Roller 70 can be attached to base 20 (see reference). Figure 31 The lower housing 24 of the roller 70. The roller 70 may be referred to as the support roller 70. The roller 70 may include a roller body 71 and a rotating shaft 72. The roller body 71 may be cylindrical or disc-shaped. The rotating shaft 72 may provide a center of rotation for the roller body 71. The rotating shaft 72 may extend to both sides from the center of rotation of the roller body 71.

[0165] The lower housing 24 may include a roller mount 24'. The roller mount 24' may include a roller groove 24a and a roller slot 24b. The roller groove 24a may be shaped like a semi-tube. The roller slot 24b may be formed at the upper end of the roller groove 24a. A shaft hole 24c may be formed in the roller slot 24b. The roller body 71 may be inserted into the roller groove 24a, and the rotating shaft 72 may be inserted into the roller slot 24b. One or both ends of the rotating shaft 72 may be engaged in the shaft hole 24c. The outer peripheral surface of the rotating shaft 72 may be located at a position lower than the outer surface of the lower housing 24. Thus, the roller 70 can be detachably coupled to the roller mount 24' of the lower housing 24.

[0166] Reference Figure 34 There can be a plurality of rollers 70. The first roller 70a can be located between the first wheel assembly 261 and the fifth wheel assembly 265. The second roller 70b can be located between the second wheel assembly 262 and the third wheel assembly 263. The third roller 70c can be located between the third wheel assembly 263 and the fourth wheel assembly 264. The fourth roller 70d can be located between the fourth wheel assembly 264 and the fifth wheel assembly 265.

[0167] The first roller 70a can form a first angle with the second roller 70b. a. The second roller 70b can form a second angle with the third roller 70c. c. The third roller 70c can form a third angle with the fourth roller 70d. b. The fourth roller 70d can form a fourth angle with the first roller 70a. d. For example, the first angle a can be greater than the third angle. b. For example, the second angle c can be related to the fourth angle d is the same. For example, the third angle. b can be greater than the second angle. c. The rotating shaft 72 of roller 70 (see reference) Figure 33 It can be orthogonal to the tangent of the base 20.

[0168] Reference Figure 35 and Figure 36The base 20 can be placed and moved on the floor. If the base 20 is placed on a flat surface, it can move horizontally on the floor using the wheel assembly 26. The wheel assembly 26 can be in contact with the floor. The support member 60 can be spaced away from the floor. If the wheel assembly 26 is in contact with the floor, a gap G can be formed between the support member 60 and the floor.

[0169] The base 20 can be placed and moved on the ground. If the base 20 is placed on a flat surface, it can move horizontally on the ground using the wheel assembly 26. The wheel assembly 26 can be in contact with the ground. The roller 70 can be spaced away from the ground. If the wheel assembly 26 is in contact with the ground, a gap G can be formed between the roller 70 and the ground.

[0170] Refer to together Figure 2 If the base 20 of the support bracket S for the display 10 is stationary on the ground, the support member 60 or roller 70 may not contact the ground. If the user slowly moves the display device 1, causing the base 20 of the support bracket S for the display 10 to move horizontally on the ground, the support member 60 or roller 70 may not contact the ground. If the user quickly moves the display device 1 or grasps the display 10 and moves it, causing the display device 1 to tilt, the support member 60 or roller 70 may contact the ground. This prevents the display device 1 from tipping over or moving unnecessarily under the action of the wheel assembly 26.

[0171] Reference Figures 1 to 36 The display device may include: a display, including a display panel; and a bracket having a movable base for supporting the display; the base may include: a housing; a counterweight located inside the housing; a plurality of wheel assemblies coupled to the housing to move the housing; and a support member coupled to the housing among the plurality of wheel assemblies.

[0172] The support member may include: a support wall fixed to the housing to form the core of the support member; and a support foot into which the support wall is inserted.

[0173] The support member may include a hook formed on the upper side of the support wall and penetrating the housing; the support wall may be cylindrical; the hook may penetrate the housing from the upper end of the support wall.

[0174] The support foot may include: an inner wall, inserted into the support wall; an outer wall, located on the opposite side of the inner wall relative to the support wall; and a foot bottom, connecting the inner wall and the outer wall to form the bottom surface of the support foot.

[0175] The housing may include a protruding post that protrudes from the housing toward the counterweight and is aligned with the support wall of the support member; the protruding post can support the counterweight.

[0176] The support member may include a hook formed on the upper side of the support wall and penetrating the housing; the support wall may be cylindrical; the hook may penetrate the housing from the upper end of the support wall and may be disposed around the protruding post.

[0177] There may be a plurality of support members, and the plurality of support members may be respectively disposed between the plurality of wheel assemblies.

[0178] The display device may include: a display, including a display panel; and a bracket having a movable base for supporting the display; the base may include: a housing; a counterweight located inside the housing; a plurality of wheel assemblies coupled to the housing to move the housing; and rollers coupled to the housing among the plurality of wheel assemblies.

[0179] The housing may include a roller mount, a portion of which is housed; the roller may be rotatably coupled to the roller mount.

[0180] The roller may include: a disc-shaped roller body; and a rotating shaft that provides a center of rotation for the roller body and protrudes from the roller body; the roller mounting base may include: a roller groove in which the roller body is received; and a roller slot formed on one side of the roller groove, to which the rotating shaft of the roller is engaged.

[0181] The roller mounting base may include a shaft hole formed in the roller slot, and the end of the roller's rotating shaft may be engaged in the shaft hole.

[0182] The outer circumferential surface of the roller's rotating shaft can be located at a lower position than the outer surface of the housing.

[0183] The base may be disc-shaped, and the rotation axis of the roller may be orthogonal to the tangent of the base.

[0184] There may be a plurality of rollers, and the plurality of rollers may be respectively arranged between the plurality of wheel assemblies.

[0185] The base may be disc-shaped, and the rotation axes of the plurality of rollers may be orthogonal to the tangent of the base.

[0186] The above-described embodiments of the present invention, or other embodiments thereof, are not mutually exclusive or distinct. The above-described embodiments of the present invention, or other embodiments thereof, can be used together or combined in their respective configurations or functions.

[0187] For example, it indicates that configuration A described in a particular embodiment and / or the accompanying drawings can be combined with configuration B described in other embodiments and / or the accompanying drawings. That is, even if no combination between configurations is directly stated, it indicates that they can be combined unless it is stated that they cannot be combined.

[0188] The detailed description above should not be construed as restrictive in all respects, but should be considered as exemplary. The scope of this invention should be determined by a reasonable interpretation of the claims, and all modifications made within the equivalent scope of this invention are included within the scope of this invention.

Claims

1. A display device, characterized by comprising: A display device includes: a display including a display panel; and a stand having a movable base supporting the display; the base includes: a housing; a weight inside the housing; a plurality of wheel assemblies combined with the housing to move the housing; and a support member combined with the housing between the plurality of wheel assemblies.

2. The display device of claim 1, wherein the support member includes: a support wall fixed to the housing to form a core of the support member; and a support leg into which the support wall is inserted.

3. The display device of claim 2, wherein the support member further includes a hook formed on an upper side of the support wall to penetrate the housing; the support wall is cylindrical; the hook penetrates the housing from an upper end of the support wall.

4. The display device of claim 3, wherein the support leg includes: an inner wall inserted into the support wall; an outer wall located on an opposite side of the support wall from the inner wall; and a leg bottom connecting the inner wall and the outer wall to form a bottom surface of the support leg.

5. The display device of claim 2, wherein the housing includes a protrusion protruding from the housing toward the weight to align with the support wall of the support member; the protrusion supports the weight.

6. The display device of claim 5, wherein the support member further includes a hook formed on an upper side of the support wall to penetrate the housing; the support wall is cylindrical; the hook penetrates the housing from an upper end of the support wall to be disposed around the protrusion.

7. The display device of claim 1, wherein the support member is a plurality of support members; the plurality of support members are respectively disposed between the plurality of wheel assemblies.

8. The display device of any one of claims 1 to 7, wherein if the base is placed on the ground in a stationary state or the display device is slowly moved, the wheel assemblies are in contact with the ground while the support members are spaced apart from the ground; if the display device is rapidly moved or the display device is tilted, the support members are in contact with the ground.

9. A display device, characterized by comprising: A display device includes: a display including a display panel; and a stand having a movable base supporting the display; the base includes: a housing; a weight inside the housing; a plurality of wheel assemblies combined with the housing to move the housing; and a roller combined with the housing between the plurality of wheel assemblies.

10. The display device of claim 9, wherein the housing includes a roller mounting seat in which a portion of the roller is accommodated; the roller is rotatably combined with the roller mounting seat.

11. The display device of claim 10, wherein the roller includes: a disc-shaped roller body; and a rotation shaft providing a rotation center of the roller body to protrude from the roller body; the roller mounting seat includes: a roller groove in which the roller body is accommodated; and a roller insertion groove formed on one side of the roller groove in which the rotation shaft of the roller is combined. 12.The display device according to claim 11, wherein the roller mounting seat comprises an axle hole formed in the roller slot; an end of the rotation shaft of the roller is latched in the axle hole. 13.The display device according to claim 12, wherein an outer circumferential surface of the rotation shaft of the roller is located at a lower position than an outer surface of the housing. 14.The display device according to claim 11, wherein the base is disc-shaped. 15.The display device according to claim 14, wherein the rotation shaft of the roller is orthogonal to a tangent line of the base. 16.The display device according to claim 9, wherein the roller is a plurality of rollers; the plurality of rollers are respectively arranged between the plurality of wheel assemblies. 17.The display device according to claim 16, wherein the base is disc-shaped. 18.The display device according to claim 17, wherein the rotation shafts of the plurality of rollers are respectively orthogonal to a tangent line of the base. 19.The display device according to any one of claims 9 to 18, wherein if the base is placed on the ground in a stationary state or the display device moves slowly, the wheel assembly is in contact with the ground, and the roller is spaced apart from the ground; if the display device moves quickly or the display device is tilted, the roller is in contact with the ground.

Images