KR102535718B1 - Display device - Google Patents

Abstract

A display device is disclosed. The display device of the present disclosure includes: a head having a display panel; a stand supporting the head and having a jack; a power cable having a plug inserted into the jack; and a cable holder to which the power cable is coupled, wherein the cable holder may come in contact with the surface of the stand at a position adjacent to the jack.

Description

Display device {DISPLAY DEVICE}

The present disclosure relates to a display device.

As the information society develops, the demand for display devices is also increasing in various forms. Display), OLED (Organic Light Emitting Diode), and other display devices have been studied and used.

Among them, the LCD panel includes a TFT substrate and a color substrate facing each other with a liquid crystal layer interposed therebetween, and can display an image using light provided from a backlight unit. And, the OLED panel can display an image by depositing an organic material layer capable of self-emitting light on a substrate on which a transparent electrode is formed.

Recently, many studies have been conducted on a structure for freely adjusting the angle or position of a display panel.

The present disclosure aims to solve the foregoing and other problems.

Another object may be to provide a display device having a stand supporting a head.

Another object may be to provide a display device to which a power adapter providing power to the head and/or battery may be connected.

Another object may be to provide a structure capable of protecting a plug of a power adapter and a jack into which the plug is inserted from external impact.

Another purpose may be to provide a cable holder that holds the power cable while minimizing damage to the jack and plug.

Another object may be to provide various examples of cable holders.

Another object may be to provide a structure capable of freely adjusting the angle or height of the head.

Another object may be to provide a structure capable of freely changing the position of a stand supporting the head.

According to one aspect of the present disclosure for achieving the above or other object, a display device includes: a head having a display panel; a stand supporting the head and having a jack; a power cable having a plug inserted into the jack; The power cable may include a cable holder to which the power cable is coupled, and the cable holder may contact the surface of the stand at a position adjacent to the jack.

Effects of the display device according to the present disclosure are described as follows.

According to at least one of the embodiments of the present disclosure, a display device having a stand supporting a head may be provided.

According to at least one of the embodiments of the present disclosure, a display device to which a power adapter providing power to a head and/or a battery may be connected.

According to at least one of the embodiments of the present disclosure, a structure capable of protecting a plug of a power adapter and a jack into which the plug is inserted may be provided from external impact.

According to at least one of the embodiments of the present disclosure, it is possible to provide a cable holder that minimizes damage to jacks and plugs while holding power cables.

According to at least one of the embodiments of the present disclosure, various examples of the cable holder may be provided.

According to at least one of the embodiments of the present disclosure, a structure capable of freely adjusting the angle or height of the head may be provided.

According to at least one of the embodiments of the present disclosure, a structure capable of freely changing a position of a stand supporting a head may be provided.

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

1 to 43 are diagrams illustrating examples of display devices according to embodiments of the present disclosure.

Hereinafter, the embodiments disclosed in this specification will be described in detail with reference to the accompanying drawings, but the same or similar elements are given the same reference numerals regardless of reference numerals, and redundant description thereof will be omitted.

The suffixes "module" and "unit" for components used in the following description are given or used together in consideration of ease of writing the specification, and do not have meanings or roles that are distinct from each other by themselves.

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

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

It is understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, but other elements may exist in the middle. It should be. On the other hand, when an element is referred to as “directly connected” or “directly connected” to another element, it should be understood that no other element exists in the middle.

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

In this application, terms such as "comprise" or "have" are intended to designate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that it does not preclude in advance the possibility of the presence or addition of numbers, steps, operations, components, parts, or combinations thereof.

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

Referring to FIG. 1 , the display device 1 may include a head 10 . The head 10 can display images. The head 10 may be referred to as a display 10 or a display unit 10.

The head 10 has a first long side LS1, a second long side LS2 opposite to the first long side LS1, a first long side LS1, and a second long side LS2. An adjacent first short side SS1 and a second short side SS2 opposite to the first short side SS1 may be included. Meanwhile, for convenience of explanation, the lengths of the first and second long sides LS1 and LS2 are shown and described as being longer than the lengths of the first and second short sides SS1 and SS2, but the first and second long sides It may also be possible if the lengths of (LS1 and LS2) are substantially equal to the lengths of the first and second short sides SS1 and SS2.

A direction parallel to the short sides SS1 and SS2 of the head 10 may be referred to as a first direction DR1 or a vertical direction. A direction parallel to the long sides LS1 , LS2 , and long sides of the head 10 may be referred to as a second direction DR2 or a left-right direction. A direction perpendicular to the long sides LS1 and LS2 and the short sides SS1 and SS2 of the head 10 may be referred to as a third direction DR3 or a forward and backward direction.

Directions in which the head 10 displays images may be referred to as forward (F, z), and a direction opposite to this may be referred to as rear (R). The side of the first short side SS1 may be referred to as the left side (Le, x). The side of the second short side SS2 may be referred to as the right side Ri. The side of the first long side LS1 may be referred to as the upper side (U, y). The side of the second long side LS2 may be referred to as a lower side D.

The first long side LS1 , the second long side LS2 , the first short side SS1 , and the second short side SS2 may be referred to as edges of the head 10 . Also, a point where the first long side LS1 , the second long side LS2 , the first short side SS1 , and the second short side SS2 meet each other may be referred to as a corner.

A point where the first short side SS1 and the first long side LS1 meet may be a first corner C1. A point where the first short side SS1 and the second long side LS2 meet may be the second corner C2. A point where the second short side SS2 and the second long side LS2 meet may be a third corner C3. A point where the second short side SS2 and the first long side LS1 meet may be the fourth corner C4.

Referring to FIGS. 1 and 2 , the display device 1 may include a base 20, a pole 30, and a motion module MM.

The base 20 may have a flat cylinder shape as a whole. Base 20 may be placed on the ground.

The pole 30 may extend long in the vertical direction. The lower end of the pole 30 may be coupled onto the base 20 . The pole 30 may be adjacent to the perimeter of the top surface of the base 20 . The handle 39 may be coupled to the top of the pole 30. The pole 30 and the aforementioned base 20 may be collectively referred to as a stand.

The motion module (MM) may extend in a direction crossing the pole 30 . One side of the motion module (MM) may be coupled to the rear side of the head 10 . The other side of the motion module (MM) may be adjacent to the upper end of the pole 30 and may be coupled to the pole 30 . The articulating connector 40 may be coupled to the rear of the head 10, the elevating module 60 may be coupled to the pole 30, and the arm 50 may be coupled to the articulated connector ( 40) and the lifting module 60 may be connected.

Accordingly, the head 10 may be supported by the motion module (MM), the pole 30, and the base 20, and may be spaced upward from the ground.

Referring to FIGS. 2 and 3 , the head 10 may include a display panel 11 , a middle cabinet 12 , a frame 13 , an end frame 14 , and a back cover 15 .

The display panel 11 may form the front surface of the head 10 . For example, the display panel 11 may be an OLED panel, an LCD panel, or an LED panel. The display panel 11 may divide an image into a plurality of pixels and output the image by adjusting color, brightness, and saturation for each pixel. The display panel 11 may be divided into an active area in which an image is displayed and a de-active area in which an image is not displayed. The display panel 11 may generate light corresponding to red, green, or blue colors according to a control signal.

The middle cabinet 12 may extend along the circumference of the display panel 11 . The horizontal portion 12H may be located in front of the display panel 11 . The vertical portion 12V may cross the horizontal portion 12H and may cover the side surface of the display panel 11 . For example, the middle cabinet 12 may include a metal or plastic material. The middle cabinet 12 may be referred to as a side frame or guide panel.

The frame 13 may be located behind the display panel 11 . Electronic components such as a printed circuit board (PCB) may be coupled to the rear surface of the frame 13 . For example, the frame 13 may include a metal material. The frame 13 may be referred to as a mount plate or a module cover.

The end frame 14 may form a circumference of the head 10 . The horizontal portion 14H may be located in front of the horizontal portion 12H of the middle cabinet 12 . The vertical portion 14V may cover a side surface of the vertical portion 12V of the middle cabinet 12 . For example, the end frame 14 may include a metal or plastic material.

The back cover 15 may form the rear surface of the head 10 . The back cover 15 may cover the rear of the frame 13 and may be coupled to the frame 13 .

Referring to FIGS. 3 and 4 , the backlight unit 110 may be positioned between the display panel 11 and the frame 13 and may be coupled to the frame 13 . At this time, the display panel 11 may be referred to as an LCD panel. The backlight unit 110 may include an optical layer 111 and an optical sheet 112 . The optical layer 111 may include a substrate 111a, at least one light source 111b, a reflective sheet 111c, and a diffusion plate 111d.

The substrate 111a may be coupled to the front surface of the frame 13 . The substrate 111a may have a plate shape or may be composed of a plurality of straps spaced apart from each other in a vertical direction. At least one light source 111b may be mounted on the substrate 111a. For example, the light source 111b may include a light emitting diode (LED). An electrode pattern for connecting the adapter and the light source 111b may be formed on the substrate 111a. The reflective sheet 111c may be positioned in front of the substrate 111a. The reflective sheet 111c may have a hole 111h in which a light source 111b is positioned. The diffusion plate 111d may be positioned in front of the reflective sheet 111c. The spacer 111s may support the rear surface of the diffusion plate 111d between the reflection sheet 111c and the diffusion plate 111d.

The optical sheet 112 may be positioned in front of the diffusion plate 111d. The rear surface of the optical sheet 112 may be in close contact with the diffusion plate 111d, and the front surface of the optical sheet 112 may be in close contact with or adjacent to the rear surface of the display panel 11 . The optical sheet 112 may include at least one of a diffusion sheet and a prism sheet. The coupling portion 112d may be formed on at least one edge of the optical sheet 112 .

Accordingly, light from the light source 111b may be provided to the display panel 11 through the diffusion plate 111d and the optical sheet 112 . Meanwhile, the display panel 11 of the present disclosure may be an OLED panel that does not require the above-described backlight unit 110 or other types of panels.

Referring to FIGS. 3 and 5 , the backlight unit 110 ′ may be positioned between the display panel 11 and the frame 13 and coupled to the frame 13 . At this time, the display panel 11 may be referred to as an LCD panel. The backlight unit 110' may include an optical layer 111' and an optical sheet 112. The optical layer 111' may include a substrate 111a', at least one light source 111b', a reflective sheet 111f, and a light guide plate 111e. The light guide plate 38 may be positioned between the frame 13 and the optical sheet 112 and may be supported by the frame 13 .

The substrate 111a' may be adjacent to the circumference of the light guide plate 38 and may be coupled to the frame 13 . At least one light source 111b' may be mounted on a substrate 111a'. For example, the light source 111b' may include a light emitting diode (LED). An electrode pattern for connecting the adapter and the light source 111b' may be formed on the substrate 111a'. The reflective sheet 111f may be positioned between the frame 13 and the light guide plate 111e and may be supported by the frame 13 .

Accordingly, light from the light source 111b' may be provided to the display panel 11 through the light guide plate 111e and the optical sheet 112. Meanwhile, the display panel 11 of the present disclosure may be an OLED panel that does not require the above-described backlight unit 110 ′ or another type of panel.

Referring to FIG. 6 , electronic components may be mounted on the back of the frame 13 and may include a plurality of boards (PSU, MB, TC) and speakers (SPKa, SPKb).

The power supply board (PSU) may be located closer to the first short side SS1 than the second short side SS2 and may be coupled to the rear surface of the frame 13 . A power supply board (PSU) may provide power to each component of the display device. For example, the power supply board (PSU) may provide power to the light sources 111b and 111b' of the backlight units 110 and 110' (see FIGS. 4 and 5). A power supply board (PSU) may be referred to as an LED driver.

The main board (MB) may be located closer to the second short side SS2 than the first short side SS1 and may be coupled to the rear surface of the frame 13 . The main board MB may control the display device.

A timing controller board (TC) may be located below the power supply board (PSU) and the main board (MB), and may be coupled to the rear surface of the frame 13 . The timing controller board TC may be electrically connected to the display panel 11 (see FIG. 3 ) through a cable (not shown) and may provide an image signal to the display panel 11 .

Speakers (SPKa, SPKb) may be located on a plurality of boards (PSU, MB, TC), may be coupled to the rear surface of the frame (13). For example, the left speaker SPKa may be located closer to the first short side SS1 than the second short side SS2, and may provide sound to the side. For example, the right speaker SPKb may be located closer to the second short side SS2 than the first short side SS1 and may provide sound in a lateral direction.

A locking unit (18) may be coupled to the rear surface of the frame (13). The locking unit 18 may be located below the central portion of the frame 13 .

Referring to FIG. 7 , the back cover 15 may cover the rear of the frame 13 and may be coupled to the frame 13 . Positions of the speaker holes 15a and 15b formed in the back cover 15 may correspond to positions of speakers (SPKa and SPKb, see FIG. 6 ) mounted on the frame 13 .

The fixing part 13H may protrude backward from the rear surface of the frame 13 . The fixing part 13H may be a fem nut. The fixing part 13H and the locking unit 18 may be exposed to the outside through a hole 15h formed in the center of the back cover 15 .

Referring to FIGS. 7 and 8 , the fixing plate 41 may have a circular plate shape corresponding to the hole 15h of the back cover 15 .

The fixing hole 41H may be formed in the fixing plate 41 and may be aligned with the fixing part 13H. A fastening member (not shown) such as a screw may be fastened to the fixing part 13H through the fixing hole 41H. Accordingly, the fixing plate 41 may be coupled to the frame 13 .

Referring to FIGS. 8 and 9 , the front bracket 42 of the articulating connector 40 may be positioned behind the fixing plate 41 and may have a plate shape as a whole. The pair of top protrusions 42a1 and 42a2 may protrude upward from the upper side of the front bracket 42 and may be spaced apart from each other in the left and right directions. A pair of bottom protrusions 42b1 and 42b2 may protrude downward from the lower side of the front bracket 42 and may be spaced apart from each other in the left and right directions. A pair of bottom protrusions 42b1 and 42b2 can be caught on a pair of hooking parts 1831a and 1831b of the locking unit 18 penetrating the fixed plate 41, and a pair of top protrusions 42a1 and 42a2 are fixed to the fixed plate It can be inserted into and coupled to a pair of holes formed on the top of (41). Accordingly, the front bracket 42 may be detachably coupled to the fixing plate 41 .

The pivot shaft (44, pivot shaft) may extend in the forward and backward directions. The diameter of the head 44a of the pivot shaft 44 may be greater than the diameter of the body 44b. A pair of cut-outs 44c may be formed on the side of the body 44b and may face each other. The hole 42h of the front bracket 42 may be formed in the center of the front bracket 42 and may be penetrated by the body 44b. The shape of the hole 42h of the front bracket 42 may be the same as that of the longitudinal section of the body 44b. Accordingly, the pivot shaft 44 and the front bracket 42 can rotate together with respect to the axial direction of the pivot shaft 44 . That is, the pivot shaft 44 may provide a pivot axis.

A front grab (45a) may be located between the head (44a) and the front of the front bracket (42). The hole 45ah of the front grab 45a may be aligned with the hole 42h of the front bracket 42 and may have the same shape as the hole 42h. The body 44b may pass through the holes 45ah and 42h. The front grab (45a) may be fixed to the front bracket (42). That is, the front grab 45a can rotate together with the pivot shaft 44 and the front bracket 42.

Referring to FIGS. 10 and 11 , the rear bracket 43 may be located behind the front bracket 42 . The rear bracket 43 may include a mount 43F, a left wing 43L, and a right wing 43R.

The mount 43F may face the front bracket 42 and may have a circular mount hole 43Fh. At least one washer (43Fw) may be positioned between the front bracket 42 and the mount 43F, and may have a circular hole. The body 44b of the pivot shaft 44 may pass through the hole of the washer 43Fw and the mount hole 43Fh, and may rotate independently of the washer 43Fw and the mount 43F.

The left wing 43L can extend rearward from the left side of the mount 43F. The right wing 43R can extend rearward from the right side of the mount 43F. A plurality of members 45c (45c1, 45c2, 45c3, 45c4, 45c5) to be described later may be coupled to the mount 43F between the left wing 43L and the right wing 43R.

The rear grab 45c1 may face the washer 43Fw with respect to the mount 43F, and may have a circular hole 45ch through which the body 44b of the pivot shaft 44 passes. The rear grab 45c1 may be fixed to the rear surface of the mount 43F.

Also, the plurality of fixing holes 45ca and the plurality of slots 45cb may be formed in the rear grab 45c1 and may be spaced apart from each other in the circumferential direction of the rear grab 45c1. The plurality of fixing holes 45ca and the plurality of slots 45cb may be alternately positioned in the circumferential direction of the rear grab 45c1. For example, the fixing holes 45ca or slots 45cb may be spaced apart from each other at intervals of 90 degrees. In the circumferential direction of the rear grab 45c1, the length of the slot 45cb may be greater than the length of the fixing hole 45ca.

The disk 45c2 may be located at the rear of the rear grab 45c1, and may have a hole 45c2h having the same shape as the longitudinal section of the body 44b through which the body 44b passes. The plurality of bosses 45cc may protrude from the front surface of the disk 45c2 toward the rear grab 45c1 and may be spaced apart from each other in the circumferential direction of the disk 45c2. For example, the bosses 45cc may be spaced apart from each other at 90 degree intervals. The size of the boss 45cc may be the same as or correspond to the size of the fixing hole 45ca. That is, when the boss 45cc is inserted into the fixing hole 45ca, rotations of the disk 45c2 and the pivot shaft 44 may be limited to a certain level by the rear grab 45c1. Further, when the boss 45cc is inserted into the slot 45cb, the disk 45c2 and the pivot shaft 44 can rotate within the locus of the slot 45cb.

The washer 45c3 may be located behind the disk 45c2 and may have a circular hole (unsigned) through which the body 44b of the pivot shaft 44 passes.

The disc spring 45c4 may oppose the disc 45c2 with respect to the washer 45c3, and may have a circular hole (unsigned) through which the body 44b of the pivot shaft 44 passes. . The disc spring 45c4 may have elasticity and may be convex forward or backward. The disc spring 45c4 may generate an elastic force in the axial direction of the pivot shaft 44.

The cap 45c5 may be located behind the disc spring 45c4 and may have a hole 45c5h through which the body 44b of the pivot shaft 44 passes. The shape of the hole 45c5h may be the same as that of the longitudinal section of the body 44b. The cap 45c5 may be fixed to an end of the body 44b.

Accordingly, the pivot shaft 44 can rotate together with the front bracket 42, the front grab 45a, the disk 45c2, and the cap 45c5. In addition, the pivot shaft 45 can rotate independently of the washer 43Fw, the rear bracket 43, the rear grab 45c1, the washer 45c3, and the disc spring 45c4. In other words, even if the pivot shaft 45 rotates, the washer 43Fw, the rear bracket 43, the rear grab 45c1, the washer 45c3, and the disc spring 45c4 may not rotate.

In addition, the user can pivot the head 10 (see FIG. 8) fixed to the front bracket 42 with respect to the pivot shaft 44. For example, the head 10 may be pivoted within a range of +90 degrees to -90 degrees. In addition, by the elastic force of the aforementioned disk springs 45c41 and 45c2, the head 10 can maintain a certain pivot angle unless a certain level of external force is applied. In addition, during the pivoting movement of the head 10, the user can feel a sense of fastening according to the fastening of the boss 45cc and the fixing hole 45ca or the slot 45cb. That is, when the boss 45cc comes out of the slot 45cb and is inserted into the fixing hole 45ca, the user can feel that the head 10 is positioned at a pivot angle of 0 degree, +90 degree, or -90 degree. there is.

Referring to Figure 12, the holder 47 may be located between the left wing (43L) and the right wing (43R). The holder body 470 may cover the rear of the mount 43F of the rear bracket 43 . The first part 47L may protrude toward the mount 43F from the left side of the holder body 470 and may be adjacent to the left wing 43L. The second part 47R (see FIG. 10 ) may protrude toward the mount 43F from the right side of the holder 47 and may be adjacent to the right wing 43R.

The tilt shaft 46 may extend in left and right directions. The tilt shaft 46 may pass through the left wing 43L, the first part 47L, the second part 47R, and the right wing 43R. A head (unsigned), which is one end of the tilt shaft 46, may be seated on the side of the left wing 43L. The other end of the tilt shaft 46 may be threaded, and a fastening member 46d such as a nut may be fastened to the other end of the tilt shaft 46 on the right wing 43R.

And, the tilt shaft 46 may have a cylindrical shape as a whole, and may be fixed to the left wing 43L and the right wing 43R. The tilt shaft 46 may be rotatably coupled to the holder 47 . That is, the tilt shaft 46 may provide a tilt axis. At least one washer 46v may be positioned between the second part 47R and the right wing 43R, and may have a circular hole through which the tilt shaft 46 passes.

The elastic member 46a may be positioned between the left wing 43L and the right wing 43R. The elastic member 46a may be wound on the outer circumference of the tilt shaft 46 a plurality of times and may have elasticity. The elastic member 46a may be a coil-shaped spring.

Also, the portion 46b of the elastic member 46a may extend in a direction crossing the tilt shaft 46 without being wound around the tilt shaft 46 . A portion 46b of the elastic member 46a may be hooked on a mounting portion 43h protruding backward from the mount 43F.

In addition, one end of the elastic member 46a may be formed on the part 46b, and the other end of the elastic member 46a may be fixed inside the holder 47. The disc spring 46w may be adjacent to the other end 46c of the elastic member 46a and may be positioned between the elastic member 46a and the second part 47R. The disc spring 46w may have a circular hole (unsigned) through which the tilt shaft 46 passes. The disc spring 46w may be convex in a direction toward the elastic member 46a, and may generate an elastic force in an axial direction of the tilt shaft 46.

Accordingly, the tilt shaft 46 may rotate together with the rear bracket 43, the front bracket 42, and the plurality of members 45c5, 45c4, 45c3, 45c2, 45c1, 43Fw, 45a, and 44. In response to the rotation of the tilt shaft 46, the head 10 (see FIG. 8) fixed to the front bracket 42 may be tilted up or down. For example, the head 10 may be tilted within a range of +25 degrees to -25 degrees. In addition, by the elastic force of the elastic member 46a and the disk spring 46w, the head 10 can maintain a certain tilt angle unless a certain level of external force is applied.

Referring to FIGS. 13 and 14 , the first rotation unit 48 may be located behind the holder 47 . The first connection part 471 may connect the holder 47 and the first rotation unit 48 . For example, the holder 47, the first connection part 471, and the first rotation unit 48 may be formed as one body.

A cable reel (49) may be located behind the front bracket (42). The cable reel 49 may be coupled to the left wing 43L and the right wing 43R through fastening members 49F such as screws.

The rear bracket 43 and the holder 47 may be located in an inner space of a reel body (not shown) having a hollow cylinder shape of the cable reel 49 . Each of the first plate 49a and the second plate 49b of the cable reel 49 may protrude from the front and rear ends of the reel body in the radial direction of the reel body, and extend along the outer circumference of the reel body. It can be. That is, each of the first plate 49a and the second plate 49b may have a ring shape as a whole. Accordingly, the cable C may be wound around the reel body of the cable reel 49 between the first plate 49a and the second plate 49b.

An end of the cable C wound around the reel body may be fixed to one end CCa of the cable head CC. Cable C may be a power cable and/or a signal cable. Cable (C) may be made of several strands.

14 and 15, the front bracket 42 may be detachably coupled to the fixing plate 41 (see FIG. 8).

The inner cover 40c1 may cover the rear of the cable reel 49 and may have a cover hole 40h through which the first rotating unit 48 passes. The fastening members 49f1 and 49f2 may protrude rearward through the cable reel 49 and may be coupled to the inside of the inner cover 40c1. For example, the fastening members 49f1 and 49f2 may be screws or bolts.

The inner circumference of the outer cover 40c2 may be coupled to the outer circumference of the inner cover 40c1. The inner cover 40c1 and the outer cover 40c2 may cover the rear of the hole 15h of the back cover 15 .

The cable fixing portion CF may surround one end CCa of the cable head CC and may be fixed to the fixing plate 41 through a fastening member such as a screw.

The other end CCb of the cable head CC may pass through the sidewall of the fixing plate 41 and be electrically connected to a terminal (not shown) provided on one side of the power supply board (PSU, see FIG. 6). . For example, the terminal may be mounted on the right side of a power supply board (PSU). The terminal may be referred to as a socket.

16 and 17, the arm 50 may include arm bodies 51 and 52. The upper arm body 51 and the lower arm body 52 may be coupled to each other. Arm 50 may be referred to as a rod 50 or a link 50 .

The front portion of the upper arm body 51 may be spaced upward from the front portion of the lower arm body 52 . The front groove 50g1 may be formed on the front portions of the arm bodies 51 and 52 and may have a "U" shape opened forward. The rear portion of the upper arm body 51 may be spaced upward from the rear portion of the lower arm body 52 . The rear groove 50g2 may be formed in the rear portions of the arm bodies 51 and 52 and may have a "U" shape opened to the rear.

The upper insertion hole 51a may be formed to pass through the front portion of the upper arm body 51 in a vertical direction, and may face the front groove 50g1. The upper fastening hole 51b may be formed through the rear part of the upper arm body 51 in a vertical direction and may face the rear groove 50g2.

The lower fastening hole 52a may be formed through the front part of the lower arm body 52 in a vertical direction and may be aligned with the upper insertion hole 51a. The lower insertion hole 52b may be formed through the rear portion of the lower arm body 52 in a vertical direction and may be aligned with the upper fastening hole 51b.

The cable groove 50c may be formed on a lower surface of the lower arm body 52 and may extend along the longitudinal direction of the lower arm body 52 . A cable (C, see FIG. 14) may be located in the cable groove 50c.

Referring to FIG. 18 , the upper cover 53 may cover the surface of the upper arm body 51 (see FIG. 17 ). The lower cover 54 may cover the surface of the lower arm body 52 (see FIG. 17 ). The upper cover 53 and the lower cover 54 may be formed separately or formed as one body.

The first rotation unit 48 may be inserted into the front groove 50g1 and rotatably coupled to the arm 50 . The second rotation unit 68 may be inserted into the rear groove 50g2 and rotatably coupled to the arm 50 . The second rotation unit 68 may protrude toward the rear groove 50g2 from a vertical member 61 to be described later.

18 and 19, the first rotation unit 48 includes a first body 480, a first fastening member 48a, a first upper fixing washer 48b, a first disc spring 48d, a first An upper washer 48e, a first upper bushing 48f, a first lower bushing 48g, a first lower washer 48h, and a first lower fixed washer 48c may be included. The first rotation unit 48 may be referred to as a first swivel unit 48 or a first swivel module 48 .

The first body 480 may be opened vertically. The first body 480 may have a donut shape as a whole. For example, the first body 480 and the first connection portion 471 may be integrally formed. The first body 480 may be inserted into the front groove 50g1.

The first fastening member 48a may extend in a vertical direction. The first fastening member 48a may be inserted into the arm 50 through the upper insertion hole 51a (see FIG. 17 ) and pass through the hole 480h formed in the center of the first body 480 . The head 48ah of the first fastening member 48a may be located inside the upper arm body 51 . The first fastening member 48a may be screwed into the lower fastening hole 52a (see FIG. 17 ).

The first upper fixing washer 48b may be located below the head 48ah of the first fastening member 48a and penetrated by the first fastening member 48a. The first upper fixed washer 48b may be a toothed lock washer, and the tooth 48bt of the first upper fixed washer 48b is a groove formed inside the upper arm body 51 (tooth) code) can be inserted and fixed.

The first disc spring 48d may be positioned below the first upper fixing washer 48b. The first disc spring 48d may be convex toward the first upper fixing washer 48b and generate an elastic force in the axial direction of the first fastening member 48a.

The first upper washer 48e may be positioned under the first disc spring 48d and penetrated by the first fastening member 48a.

The first upper bushing 48f may oppose the first disc spring 48d with respect to the first upper washer 48e. The first fastening member 48a may pass through the first upper bushing 48f. The first upper bushing 48f may have a cylindrical shape with a flange (not shown) formed at an upper end thereof. The flange of the first upper bushing 48f may contact the first upper groove 480a formed along the periphery of the hole 480h on the upper surface of the first body 480 . A portion (unsigned) of the first upper bushing 48f may be inserted into the hole 480h of the first body 480, and between the inner circumferential surface of the first body 480 and the outer circumferential surface of the first fastening member 48a. can be located in

The first lower bushing 48g may face the first upper bushing 48f and may be spaced downward from the first upper bushing 48f. The first fastening member 48a may pass through the first lower bushing 48g. The first lower bushing 48g may have a cylindrical shape in which a flange (not shown) is formed at a lower end. The flange of the first lower bushing 48g may contact the first lower groove 480b formed along the periphery of the hole 480h on the lower surface of the first body 480 . A portion (unsigned) of the first lower bushing 48g may be inserted into the hole 480h of the first body 480, and between the inner circumferential surface of the first body 480 and the outer circumferential surface of the first fastening member 48a. can be located in

The first lower washer 48h may be positioned below the first lower bushing 48g and penetrated by the first fastening member 48a.

The first lower fixing washer 48c may face the first lower bushing 48g with respect to the first lower washer 48h and may be penetrated by the first fastening member 48a. The first lower fixing washer 48c may be a toothed lock washer, and the tooth 48ct of the first lower fixing washer 48c is a groove formed on the inside of the lower arm body 52 (tooth) code) can be inserted and fixed.

Accordingly, the first body 480 may rotate with respect to the first fastening member 48a. That is, the first fastening member 48a may provide a first swivel shaft. In addition, by the elastic force of the first disc spring 48d described above, the head 10 can maintain a certain swivel angle unless an external force of a certain level or higher is applied.

18 and 20, the second rotation unit 68 includes a second body 680, a second fastening member 68a, a second lower fixing washer 68b, a second disc spring 68d, a second A lower washer 68e, a second lower bushing 68f, a second upper bushing 68g, a second upper washer 68h, and a second upper fixed washer 68c may be included. The second rotation unit 68 may be referred to as a second swivel unit 68 or a second swivel module 68 .

The second body 680 may open vertically. The second body 680 may have a donut shape as a whole. The second body 680 may be connected to the vertical member 61 through the second connection part 611 . For example, the second body 680, the second connection portion 611, and the vertical member 61 may be formed as one body. The second body 680 may be inserted into the rear groove 50g2.

The second fastening member 68a may extend in a vertical direction. The second fastening member 68a may be inserted into the arm 50 through the lower insertion hole 52b (see FIG. 17 ) and pass through the hole 680h formed in the center of the second body 680 . The head 68ah of the second fastening member 68a may be located inside the lower arm body 52 . The second fastening member 68a may be screwed into the upper fastening hole 51b (see FIG. 17).

The second lower fixing washer 68b may be positioned above the head 68ah of the second fastening member 68a and penetrated by the second fastening member 68a. The second lower fixing washer 68b may be a toothed lock washer, and the tooth 68bt of the second lower fixing washer 68b is a groove formed inside the lower arm body 52 (tooth) code) can be inserted and fixed.

The second disc spring 68d may be positioned above the second lower fixing washer 68b. The second disc spring 68d may be convex toward the second lower fixing washer 68b and generate an elastic force in the axial direction of the second fastening member 68a.

The second lower washer 68e may be positioned above the second disc spring 68d and penetrated by the second fastening member 68a.

The second lower bushing 68f may oppose the second disc spring 68d with respect to the second lower washer 68e. The second fastening member 68a may pass through the second lower bushing 68f. The second lower bushing 68f may have a cylindrical shape with a flange (not shown) formed at its lower end. The flange of the second lower bushing 68f may contact the second lower groove 680a formed along the periphery of the hole 680h on the lower surface of the second body 680 . A part (unsigned) of the second lower bushing 68f may be inserted into the hole 680h of the second body 680, and between the inner circumferential surface of the second body 680 and the outer circumferential surface of the second fastening member 68a. can be located in

The second upper bushing 68g may face the second lower bushing 68f and may be spaced upward from the second lower bushing 68f. The second fastening member 68a may pass through the second upper bushing 68g. The second upper bushing 68g may have a cylindrical shape with a flange (not shown) formed at an upper end thereof. The flange of the second upper bushing 68g may contact the second upper groove 680b formed along the periphery of the hole 680h on the upper surface of the second body 680 . A portion (unsigned) of the second upper bushing 68g may be inserted into the hole 680h of the second body 680, and between the inner circumferential surface of the second body 680 and the outer circumferential surface of the second fastening member 68a. can be located in

The second upper washer 68h may be positioned above the second upper bushing 68g and penetrated by the second fastening member 68a.

The second upper fixing washer 68c may oppose the second upper bushing 68g with respect to the second upper washer 68h and may be penetrated by the second fastening member 68a. The second upper fixed washer 68c may be a toothed lock washer, and the tooth 68ct of the second upper fixed washer 68c is a groove formed inside the upper arm body 51 (tooth) code) can be inserted and fixed.

Accordingly, the second body 680 may rotate with respect to the second fastening member 68a. That is, the second fastening member 68a may provide a second swivel shaft. In addition, by the elastic force of the aforementioned second disc spring 68d, the head 10 can maintain a certain swivel angle unless an external force of a certain level or higher is applied.

Referring to FIG. 21 , the arm 50 may extend in a direction crossing the head 10 and the pole 30 . The arm 50 may connect the articulating connector 40 and the lifting module 60 . The second rotation unit 68 of the elevation module 60 and the vertical member 61 may be connected through a second connection part 611 . The second connection part 611 may pass through the pole 30 .

The vertical member 61 may extend in the longitudinal direction of the pole 30 . The vertical member 61 may be accommodated inside the pole 30.

The pole 30 may extend in a vertical direction and may surround the vertical member 61 . A plurality of ribs (30a, 30b, 30c, 30d) may protrude toward the vertical member 61 from the inner circumferential surface of the pole 30, and may be spaced apart from each other in the circumferential direction of the pole 30. The first rib 30a, the second rib 30b, the third rib 30c, and the fourth rib 30d may be located at arbitrary vertices of the quadrangular inside the pole 30.

Also, the insertion portion 31 of the pole 30 may be inserted into and coupled to a port 21 formed on the upper surface of the base 20 .

22 and 23, the vertical member 61 may have a cylindrical shape cut in half as a whole. The rear and lower sides of the vertical member 61 may be open, and the upper side may be blocked by the partition wall 61w.

The upper shaft 62 may extend in the longitudinal direction of the vertical member 61 . The upper shaft 62 may have a cylindrical shape with an upper side closed. At least a portion of the upper shaft 62 may be accommodated inside the vertical member 61 . The protruding portion 62a may protrude upward from the upper side of the upper shaft 62 and may pass through the partition wall 61w. A fastening member 62b, such as a nut, may be screwed to the protrusion 62a on the partition wall 61w. Accordingly, the upper shaft 62 may be coupled to the vertical member 61 .

The cap 69T may be fitted to the upper end of the vertical member 61 and may be flat. The mount 69M may be located on the cap 69T and may be fastened to the holes of the plurality of ribs 30a, 30b, 30c, 30d (see FIG. 21) through a vertical fastening member 69F1. The handle body 39a of the handle 39 can oppose the cap 69T with respect to the mount 69M, and can be fastened to the mount 69M via a horizontal fastening member 69F2. The handle body 39a may have a track shape and may be covered by a handle cover 39b (see FIG. 24).

Referring to FIG. 24, the front portion 61F may be bent from the front of the vertical member 61, and may form a cable groove 61g (see FIGS. 26 and 27). The cable groove 61g may be formed in the longitudinal direction of the vertical member 61, that is, in the vertical direction.

Accordingly, the cable C may be disposed along the cable groove 50c of the arm 50 (see FIG. 17) and the cable groove 61g of the front portion 61F.

Referring to FIG. 25 , a stem (63s) may extend in a vertical direction and may be aligned with the vertical member 61 . The lower end of the stem 63s may be inserted into the port 21 of the base 20.

The gas springs 62 and 63 may include an upper shaft 62 and a lower shaft 63 connected to the upper shaft 62 . The upper shaft 62 may extend in the longitudinal direction of the vertical member 61 . The upper shaft 62 may have a cylindrical shape with upper and lower ends blocked. At least a portion of the upper shaft 62 may be accommodated inside the vertical member 61 . The lower shaft 63 may extend in the longitudinal direction of the upper shaft 62 and may have a diameter smaller than that of the upper shaft 62 . The lower shaft 63 may be inserted into the upper shaft 62 . The lower end of the lower shaft 63 may be fixed on a fixing member 69B fixed on the stem 63s.

These gas springs 62 and 63 may have a conventional gas spring structure in which compressed gas (eg, compressed nitrogen) is filled therein. The upper shaft 62 may be a cylinder filled with compressed gas therein. The lower shaft 63 may pass through the lower surface of the upper shaft 62 and may be a piston rod having a piston fixed to an end thereof. The piston may be located inside the upper shaft 62 and may divide the inner space of the upper shaft 62 into two spaces. The two spaces may communicate with each other through an orifice formed in the piston. An area of one surface of the piston connected to the lower shaft 63 may be smaller than an area of the other surface of the piston opposite to the one surface. Accordingly, the entire length of the gas springs 62 and 63 can be adjusted by controlling the flow of gas passing through the orifice. The gas springs 62 and 63 may be referred to as gas cylinders.

The clamps 64 and 65 may oppose the vertical member 61 with respect to the upper shaft 62. In other words, the upper shaft 62 may be located between the vertical member 61 and the clamps 64 and 65. For example, the clamps 64 and 65 may include a plurality of clamps 64 and 65 spaced apart from each other in the vertical direction.

The clamps 64 and 65 may include semi-cylinders 640 and 650 , left flanges 641 and 651 , and right flanges 642 and 652 . The semi-cylinders 640 and 650 may contact the outer circumference of the upper shaft 62 . The left flanges 641 and 651 may extend leftward from one side of the semi-cylinders 640 and 650, and are coupled to the first portions 61s1 and 65s1 of the vertical member 61 through fastening members 64F and 65F. It can be. The right flanges 642 and 652 may extend to the right from the other side of the semi-cylinders 640 and 650, and may be coupled to the second part (not shown) of the vertical member 61 through a fastening member (not shown). there is.

Accordingly, the upper shaft 62 can be detachably coupled to the vertical member 61 and can move downward or upward along the lower shaft 63 .

Referring to FIGS. 25 and 26 , rollers 66a, 66b, 67a, and 67b may be adjacent to clamps 64 and 65 . For example, first rollers 66a and 66b may be adjacent to first clamp 64 and second rollers 67a and 67b may be adjacent to second clamp 65 .

The first rollers 66a and 66b may include a first left roller 66a and a first right roller 66b. The body 66a1a of the first left pin 66a1 may pass through the first left roller 66a and the left portion 61L of the vertical member 61. The flange 66a1b of the first left pin 66a1 may be positioned between the first left roller 66a and the left portion 61L. The first left roller 66a may be coupled to the left portion 61L via the first left pin 66a1. The body 66b1a of the first right pin 66b1 may pass through the first right roller 66b and the right portion 61R of the vertical member 61 . The flange 66b1b of the first right pin 66b1 may be positioned between the first right roller 66b and the right portion 61R. The first right roller 66b may be coupled to the right portion 61R through the first right pin 66b1.

For example, the second rollers 67a and 67b may have the same shape as the first rollers 66a and 66b. That is, the above description of the first rollers 66a and 66b can be equally applied to the second rollers 67a and 67b. Accordingly, the second left roller 67a can be coupled to the left portion 61L, and the second right roller 67b can be coupled to the right portion 61R.

In addition, the left rollers 66a and 67a may be located between the third rib 30c and the fourth rib 30d, and may contact the third rib 30c and the fourth rib 30d. The right rollers 66b and 67b may be located between the first rib 30a and the second rib 30b, and may contact the first rib 30a and the second rib 30b.

Accordingly, the vertical member 61 can be smoothly raised or lowered inside the pole 30 by the rollers 66a, 66b, 67a, and 67b.

Referring to FIGS. 25 and 27 , the first left flange 641 of the first clamp 64 may be positioned between the third rib 30c and the fourth rib 30d. The first right flange 642 of the first clamp 64 may be positioned between the first rib 30a and the second rib 30b. The first clamp 64 may include a first center protrusion 64a, a first left protrusion 64b, and a first right protrusion 64c.

The first center protrusion 64a may protrude toward the inside of the pole 30 from the first semi-cylinder 650 and may contact the inside of the pole 30 . The first left protrusion 64b may protrude from the first left flange 641 toward the third rib 30c and may contact the third rib 30c. The first right protrusion 64c may protrude from the first right flange 642 toward the second rib 30b and may contact the second rib 30b. Accordingly, the first center protrusion 64a, the first left protrusion 64b, and the first right protrusion 64c may cause friction between the vertical member 61 and the pole 30.

For example, the second clamp 65 may be spaced downward from the first clamp 64 and may have the same shape as the first clamp 64 . That is, the above description of the first clamp 64 may be equally applied to the second clamp 65 . Accordingly, the second center protrusion 65a, the second left protrusion 65b, and the second right protrusion 65c of the second clamp 65 cause friction between the vertical member 61 and the pole 30. can

Accordingly, the position (height) of the vertical member 61 relative to the base 20 is between the protrusions 64a, 64b, 64c, 65a, 65b, and 65c and the pole 30, unless a certain level of external force is applied. can be kept constant by the frictional force of

Referring to FIGS. 28 to 30 , a part of the stem 63s may be located inside the insertion part 31 of the pole 30. The insertion part 31 may form a lower end of the pole 30 as a part of the pole 30 . The fastening member Fz, such as a screw, may pass through the insertion part 31 and be fastened to the stem 63s. Accordingly, the stem 63s may be coupled to the insertion part 31 .

The top connector 79 may be located inside the insertion part 31 . The top bracket 790 of the top connector 79 can be inserted between the ribs 30a, 30b, 30c, and 30d of the pole 30, and the stem 63s is connected through a fastening member 79F such as a screw. It can be coupled to the lower side. The top connector 79 may be referred to as a top docking connector.

The bottom connector 89 may be located inside the base 20 and may face the top connector 79 through the port 21 of the base 20 . In the vertical direction, the bottom connector 89 can be aligned with the top connector 79. The bottom connector 89 may be referred to as a bottom docking connector.

The port 21 may be formed on the upper surface of the base 20 and may be adjacent to the circumference of the base 20 . The port 21 may have a monticule shape. The first guide rib 21r may be formed inside the port 21 . The second guide rib 82r may be formed on a sidewall of a ridge (ridge) 82a surrounding the bottom connector 89 . For example, the second guide rib 82r may be defined by grooves formed by cutting out a part of the sidewall of the raised portion 82a. In the vertical direction, the second guide rib 82r may be aligned with the first guide rib 21r.

The outer diameter of the insertion portion 31 may be smaller than the outer diameter of the pole 30 (see tz in FIG. 30 ) and may be substantially the same as the inner diameter of the port 21 . The guide slit 31s may be formed on the side of the insertion part 31 . When the insertion part 31 is inserted into the port 21, the first guide rib 21r and the second guide rib 82r may be inserted into the guide slit 31s. The insertion portion 31 inserted into the port 21 may be surrounded by the raised portion 82a and may be seated on the seating surface 82b of the first weight 821 (see FIG. 33).

The fastening member F, such as a screw, may pass through the bottom hole 20h formed on the lower surface of the base 20 and the hole 82bh (see FIG. 33) formed on the seating surface 82b, and It may be fastened to the holes of the ribs 30a, 30b, 30c, and 30c. Accordingly, the insertion part 31 may be inserted into and coupled to the port 21 .

31 to 33 , the top connector 79 may include a top housing 79a, at least one pin hole 79b, a top bracket 790, and a cable connector 791.

The top housing 79a may have a cylindrical shape, and the pin hole 79b may be formed inside the top housing 79a. The top groove 79c may be formed on a side surface of the top housing 79a and extend vertically.

The top bracket 790 may be coupled to the upper surface of the top housing 79a and may have a hole 790h through which a fastening member 79F (see FIG. 30) passes. The insertion groove 790u may be formed on the lower surface of the top bracket 790 and may extend along the circumference of the top housing 79a. The top boss 79d may protrude toward the insertion groove 790u at a portion of the top bracket 790 defining the boundary of the insertion groove 790u.

The cable connector 791 may oppose the top housing 79a to the top bracket 790. The lower end of the cable C may be connected to the upper end of the cable connector 791.

The bottom connector 89 may include a bottom housing 89a, at least one pin 89b, and a bottom bracket 890.

The bottom housing 89a may have a hollow cylinder shape, and the pin 89b may be positioned in an inner space of the bottom housing 89a. The number of pins 89b may be the same as the number of pin holes 79b. For example, the number of pins 89b may be five or any number. The bottom housing 89a may pass through the seating surface 82b. The inner diameter of the bottom housing 89a may be equal to or greater than the outer diameter of the top housing 79a. The bottom boss 89c may be formed inside the bottom housing 89a. The bottom groove 89d may be formed outside the bottom housing 89a and may be opposite to the bottom boss 89c.

The bottom bracket 890 may be coupled to the lower surface of the bottom housing 89a and may be positioned below a portion of the first weight 821 forming the seating surface 82b. The fastening member 89F, such as a screw, may pass through the seating surface 82b and be fastened to the hole 890h of the bottom bracket 890. Accordingly, the bottom bracket 890 may be coupled to the first weight 821 .

When the insertion portion 31 of the pawl 30 is inserted into the port 21, the bottom boss 89c can be inserted into the top groove 79c, and the top boss 79d can be inserted into the bottom groove 89d. can Also, the pin 89b may be inserted into the pin hole 79b. In this case, the cable C connected to the top connector 79 and the first cable C10 connected to the bottom connector 89 may be electrically connected to each other through the pin hole 79b and the pin 89b.

33 and 34, the base 20 includes a lower body 20a, an upper body 20b, a flat weight 81, weights 821, 822, 823, and 824, and a substrate ( BC) can include d.

The lower body 20a may form the lower surface of the base 20 and may have a shape of a round tray opening upward as a whole. The upper body 20b may form the upper surface of the base 20 and may have a shape of a round tray opening downward as a whole. The upper body 20b may be detachably coupled to the lower body 20a.

The flat weight 81 may be positioned in a space between the lower body 20a and the upper body 20b and may be coupled to the lower body 20a. For example, the flat weight 81 may be die cast including a material such as aluminum (Al).

The weight 82 may be positioned between the flat weight 81 and the upper body 20b and may be coupled to the flat weight 81 . For example, a plurality of weights 821 , 822 , 823 , and 824 may be disposed along the circumference of the base 20 . For example, the weight 82 may be a casting made of a material such as iron (Fe).

The substrate BC may be mounted on the flat weight 81 . The seating portion 24 may be formed while being pressed upward from the lower surface of the lower body 20a. A battery (Bt, see FIG. 1 ) may be accommodated inside the seating portion 24 . The indicator ID may be mounted on the first weight 821 .

One end of the first cable C10 may be electrically connected to one side of the bottom bracket 890 (see FIG. 32), and the other end of the first cable C10 may be electrically connected to the first terminal T11 of the board BC. there is. A portion of the first cable C10 may be positioned between the flat weight 81 and the first weight 821 .

One end of the second cable C11 may be electrically connected to the second terminal T12 of the board BC, and the other end of the second cable C11 may be electrically connected to the battery Bt (see FIG. 1). . A portion of the second cable C11 may pass through the sidewall of the seating portion 24 .

One end of the third cable C12 may be electrically connected to the third terminal T13 of the board BC, and the other end of the third cable C12 may be electrically connected to the indicator ID. The indicator ID may detect the remaining amount of the battery (Bt, see FIG. 1). A light emitting element (IDL, see FIG. 28 ) of the indicator ID may be formed on the upper body 20b and display the remaining amount of the battery Bt to the user.

The power cable may be electrically connected to the jack 89i. The jack 89i may be formed on the other side of the bottom bracket 890 (see FIG. 32), and may oppose the first cable C10 to the bottom bracket 890. The jack 89i may be referred to as a port or a connector.

For example, the power cable may be connected to jack 89i. The external power supply is a battery (through the power cable, bottom connector 89, first cable C10, first terminal T11, board BC, second terminal T12, and second cable C11). Bt, see FIG. 1), whereby the battery Bt can be charged. That is, the battery Bt may be a rechargeable battery.

For example, the power cable may be disconnected from jack 89i. The power of the battery Bt is the second cable C11, the second terminal T12, the board BC, the first terminal T11, the first cable C10, the bottom connector 89, and the top connector 79. ), and may be provided to the head 10 (see FIG. 15) through the cable C.

Referring to FIGS. 35 and 36 , a power cable (PC) may be connected to an external power source. A power adapter can convert alternating current (AC) to direct current (DC), and one end of the power adapter can be connected to a concentric plug through an alternating-current power cord. And, the other end of the power adapter may be connected to a direct-current power cord. The DC power cord may be referred to as a power cable (PC).

The power cable (PC) consists of a cable body (PCa) and a cable head (PCb). And it may include a plug (PCd, plug). The power cable (PC) described with reference to FIGS. 35 and 36 may also be applied to the descriptions of FIGS. 37 to 40 .

The cable body PCa may be connected to the other side of the power adapter and may be extended long. The user can freely bend or unfold the cable body PCa.

The cable head PCb may be connected to an end of the cable body PCa. A diameter of the cable head PCb may be larger than that of the cable body PCa. For example, the cable head PCb may cross the length direction of the cable body PCa, and may be referred to as a bent head or elbow head. For another example, the cable head PCb may be parallel to the length direction of the cable body PCa and may be referred to as a straight head.

The plug PCd may be connected to the end PCc of the cable head PCb, may be parallel to the cable head PCb, and may form a tip of the power cable PC. The plug PCd may be referred to as a connector.

The cable holder 90 may include a holder body 91, a head grab 92, and a body grab 93. The cable holder 90 may have elasticity. For example, the cable holder 90 may include rubber, silicone, or ABS material. The cable holder 90 may be referred to as a cable bracket 90 , a cable supporter 90 , or a jack protector 90 . The head grab 92 may be referred to as a head coupling portion 92 or a first coupling portion 92 . The body grab 93 may be referred to as a body coupling part 93 or a second coupling part 93. The head grab 92 and the body grab 93 may be collectively referred to as cable grabs 92 and 93 or cable couplers 92 and 93.

The holder body 91 may extend along the circumference of the base 20 . The holder body 91 may extend along an arc corresponding to the curvature of the sidewall of the base 20 . The holder body 91 may have rounded corners and have a convex square plate shape. The holder body 91 may contact the sidewall of the base 20 at a position adjacent to the jack 20i (see FIG. 33). The length of the holder body 91 can be defined in the circumferential direction of the base 20, the thickness of the holder body 91 can be defined in the radial direction of the base 20, the width of the holder body 91 is It can be defined in the axial direction (ie, vertical direction) of the base 20 .

The head grab 92 may protrude from the outer surface of the holder body 91 in a direction crossing the holder body 91 . The head grab 92 may have a hollow cylinder shape. A hollow portion of the head grab 92 may be referred to as a slot 92P. The diameter of the slot 92P may be equal to or greater than the diameter of the cable head PCb. The groove 92S may be formed through the side surface of the head grab 92 and may face the body grab 93 . For example, the groove 92S may be formed by cutting out a part of the side surface of the head grab 92.

The body grab 93 may protrude from the outer surface of the holder body 91 in a direction crossing the holder body 91 . The body grab 93 may be adjacent to the head grab 92 . The seating groove 93G may be formed toward the holder body 91 at the end of the body grab 93. The curvature of the seating groove 93G may correspond to the curvature of the cable body PCa, and the center of curvature of the seating groove 93G may be spaced apart from the holder body 91 by a predetermined distance Dha. In the direction of curvature of the seating groove 93G, the first locking portion 93a may protrude from one end of the seating groove 93G toward the other end of the seating groove 93G, and the second locking portion 93b may protrude toward the other end of the seating groove 93G. It may protrude from the other end of (93G) toward one end of the seating groove (93G). The first hooking part 93a and the second hooking part 93b may have a hook shape. For example, each of the first catching portion 93a and the second catching portion 93b may be provided as a pair.

At this time, the cable head PCb may be inserted into the slot 92P of the head grab 92. The cable head PCb may be seated on the holder body 91 , and an end PCc of the cable head PCb may pass through a hole 91h formed in the holder body 91 . In addition, the cable body PCa may open the body grab 93 while passing through the hooking parts 93a and 93b. When the cable body PCa is seated on the seating groove 93G, the body grab 93 can be closed again, and the cable body PCa can be caught on the hooking parts 93a and 93b. A portion between the cable body PCa and the cable head PCb may pass through the groove 92S. Accordingly, the power cable PC may be detachably coupled to the holder 90 .

The plug PCd of the power cable PC coupled to the holder 90 may be inserted into a jack 20i (see FIG. 33) provided on the sidewall of the base 20. The jack 20i may be the aforementioned jack 89i. The jack 20i may be referred to as a port or a connector.

The holder body 91 may have a larger size than the cable grabs 92 and 93 . In other words, in the radial direction of the base 20, all of the cable grabs 92 and 93 may overlap a part of the holder body 91. In the axial direction (ie, vertical direction) of the base 20, the first side of the holder body 91 may be spaced apart from the first ends of the cable grabs 92 and 93 by a predetermined distance D1a, and the holder body The second side of 91 may be spaced apart from the second ends of the cable grabs 92 and 93 by a predetermined distance D1b. In the circumferential direction of the base 20, the third side of the holder body 91 may be spaced apart from the third ends of the cable grabs 92 and 93 by a predetermined distance D1c, and the fourth side of the holder body 91 The sides may be spaced apart from the fourth ends of the cable grabs 92 and 93 by a predetermined distance D1d.

That is, the holder body 91 may have a first area where the cable grabs 92 and 93 are located and a second area outside the first area.

Accordingly, the holder 90 can stably hold the power cable PC connected to the jack 20i (see FIG. 33) through the holder 90. Specifically, even if the user pulls the power cable PC connected to the jack 20i in a direction other than the connection direction between the jack 20i and the power cable PC, the external force applied to the power cable PC is applied to the holder 90, thereby minimizing damage to the jack 20i and the plug PCd. In particular, the holder body 91 is in close contact with the sidewall of the base 20 to effectively disperse the external force applied to the power cable PC.

Referring to FIG. 37 , the cable holder 90' may include a holder body 91, a head grab 92, and a body grab 93'. The cable holder 90 may have elasticity. For example, the cable holder 90' may include rubber, silicone, or ABS material. The cable holder 90' may be referred to as a cable bracket 90', a cable supporter 90', or a jack protector 90'. The head grab 92 may be referred to as a head coupling portion 92 or a first coupling portion 92 . The body grab 93' may be referred to as a body coupling portion 93' or a second coupling portion 93'. The head grab 92 and the body grab 93' may be collectively referred to as cable grabs 92 and 93' or cable couplers 92 and 93'.

The holder body 91 and the head grab 92 may be the holder body 91 and the head grab 92 described above with reference to FIGS. 35 and 36 .

The body grab 93' may protrude from the outer surface of the holder body 91 by a predetermined distance Dhb in a direction crossing the holder body 91. The body grab 93' may be adjacent to the head grab 92. The seating groove 93G' may be formed toward the holder body 91 at the end of the body grab 93'. The curvature of the seating groove 93G' may correspond to the curvature of the cable body PCa (see FIG. 35). The first wall 931 of the body grab 93' can connect one side of the seating groove 93G' and one side of the groove 92S, and the second wall 932 of the body grab 93' has a seating groove. The other side of the groove 93G' and the other side of the groove 92S can be connected. The first wall 931 and the second wall 932 may be spaced apart from each other, and the seating groove 93G′ and the groove 92S pass through a space between the first wall 931 and the second wall 932. can communicate with each other.

The first hooking part 93a' may protrude toward the second wall 932 from the inside of the first wall 931 adjacent to the end of the first wall 931, and the second hooking part 93b' may An inner side of the second wall 932 adjacent to an end of the second wall 932 may protrude toward the first wall 931 . The first hooking part 93a' and the second hooking part 93b' may have a hook shape.

At this time, the cable head (PCb, see FIG. 35) may be inserted into the slot 92P of the head grab 92. The cable head PCb may be seated on the holder body 91, and an end PCc of the cable head PCb may pass through a hole 91h formed in the holder body 91 (see FIG. 36). . In addition, the cable body (PCa, see FIG. 35) may pass through the hooking parts 93a' and 93b' and spread the walls 931 and 932 apart. When the cable body PCa is seated on the seating groove 93G', the walls 931 and 932 can be closed again, and the cable body PCa can be caught on the hooking parts 93a' and 93b'. A portion between the cable body PCa and the cable head PCb may pass through a space between the first wall 931 and the second wall 932 . Accordingly, the power cable PC may be detachably coupled to the holder 90'.

The plug (PCd, see FIG. 36) of the power cable (PC) coupled to the holder 90 may be inserted into a jack (20i, see FIG. 33) provided on the sidewall of the base 20. The jack 20i may be the aforementioned jack 89i. The jack 20i may be referred to as a port or a connector.

The size of the holder body 91 may be larger than that of the cable grabs 92 and 93'. In other words, in the radial direction of the base 20, all of the cable grabs 92 and 93' may overlap a part of the holder body 91. In the axial direction (ie, vertical direction) of the base 20, the first side of the holder body 91 may be spaced apart from the first ends of the cable grabs 92 and 93' by a predetermined distance D2a, and the holder The second side of the body 91 may be spaced apart from the second ends of the cable grabs 92 and 93' by a predetermined distance D2b. In the circumferential direction of the base 20, the third side of the holder body 91 may be spaced apart from the third ends of the cable grabs 92 and 93' by a predetermined distance D2c, and the third side of the holder body 91 The four sides may be spaced apart from the fourth ends of the cable grabs 92 and 93' by a predetermined distance D2d.

That is, the holder body 91 may have a first area where the cable grabs 92 and 93' are located and a second area outside the first area.

Accordingly, the holder 90' can stably hold the power cable PC connected to the jack 20i (see FIG. 33) through the holder 90'. Specifically, even if the user pulls the power cable PC connected to the jack 20i in a direction other than the connection direction between the jack 20i and the power cable PC, the external force applied to the power cable PC is applied to the holder 90', thereby minimizing damage to the jack 20i and the plug PCd. In particular, the holder body 91 is in close contact with the sidewall of the base 20 to effectively disperse the external force applied to the power cable PC.

Referring to FIG. 38 , the first hole 92T may be formed through the side surface of the head grab 92 and may oppose the groove 92S. The first hole 92T may be adjacent to the holder body 91 . The first hole 92T may be a slit formed long in the circumferential direction of the head grab 92 . The plurality of first holes 92T may be spaced apart from each other along the axial direction of the head grab 92 . Accordingly, the head grab 92 may have improved elasticity at the position of the first hole 92T, thereby further buffering an external force applied to the power cable PC connected to the jack 20i.

The second hole 93T may be formed through a side surface of the body grab 93' and may be located between the seating groove 93G' and the holder body 91. The second hole 93T may be a slit formed long in the circumferential direction of the body grab 93'. The plurality of second holes 93T may be spaced apart from each other along the axial direction of the body grab 93'. Accordingly, the elasticity of the body grab 93' may be improved at the position of the second hole 93T, and thus an external force applied to the power cable PC connected to the jack 20i may be further buffered.

Meanwhile, the holder 90 described above with reference to FIGS. 35 and 36 may also include a first hole 92T and a second hole 93T.

Referring to FIG. 39 , unlike the above description with reference to FIGS. 35 to 38 , the cable head PCb of the power cable PC may be parallel to the length direction of the cable body PCa.

The cable holder 90'' may include a holder body 91'' and a head grab 92''. The cable holder 90'' may have elasticity. For example, the cable holder 90'' may include rubber, silicone, or ABS material. The cable holder 90'' may be referred to as a cable bracket 90'', a cable supporter 90'', or a jack protector 90''. The head grab 92'' may be referred to as a head coupling portion 92'', a cable grab 92'', or a cable coupling portion 92''.

The holder body 91'' may extend along the circumference of the base 20 (see FIG. 35). The holder body 91 ″ may extend along an arc corresponding to the curvature of the sidewall of the base 20 . The holder body 91'' may have a convex disc shape. The holder body 91'' may contact the sidewall of the base 20 at a position adjacent to the jack 20i (see Fig. 33).

The head grab 92'' may protrude from the outer surface of the holder body 91'' in a direction crossing the holder body 91''. The head grab 92'' may have a hollow cylinder shape. A hollow portion of the head grab 92'' may be referred to as a slot 92P''. The diameter of the slot 92P″ may be equal to or greater than the diameter of the cable head PCb (see FIG. 35). The slits 92S1 and 92S2 may be formed from an end of the head grab 92'' toward the holder body 91''. The first slit 92S1 and the second slit 92S2 may face each other with respect to the slot 92P″.

The first hooking part 92a'' may be formed inside the head grab 92'' adjacent to the end of the head grab 92'', and the second hooking part 92b'' may be formed on the inside of the head grab 92''. It is formed on the inside of '') and may face the first hooking portion 92a''. The first hooking part 92a″ and the second hooking part 92b″ may have a hook shape.

At this time, the cable head (PCb, see FIG. 35) may be inserted into the slot 92P″ of the head grab 92″. The cable head (PCb″) may be seated on the holder body (91″), and the end (PCc, see FIG. 35) of the cable head (PCb) is formed in a hole (not shown) formed in the holder body (91″). ) can penetrate. In addition, the cable head (PCb, see FIG. 35) can pass through the hooking parts 92a'' and 92b'' and open the head grab 92'' (see the double-headed arrow in FIG. 39). When the cable head PCb is seated on the holder body 91'', the head grab 92'' can be closed again, and the portion between the cable head PCb and the cable body PCa is the hooking portion ( 92a'', 92b''). Accordingly, the power cable PC may be detachably coupled to the holder 90'.

The plug (PCd, see FIG. 36) of the power cable (PC) coupled to the holder (90'') may be inserted into a jack (20i, see FIG. 33) provided on the sidewall of the base 20. The jack 20i may be the aforementioned jack 89i. The jack 20i may be referred to as a port or a connector.

The size of the holder body 91'' may be larger than that of the head grab 92''. In other words, the diameter of the holder body 91'' may be larger than the diameter of the head grab 92'' (see D3 in FIG. 39).

That is, the holder body 91'' may include a first area where the head grab 92'' is located and a second area outside the first area.

Accordingly, the holder 90'' can stably hold the power cable PC connected to the jack 20i (see Fig. 33) through the holder 90''. Specifically, even if the user pulls the power cable PC connected to the jack 20i in a direction other than the connection direction between the jack 20i and the power cable PC, the external force applied to the power cable PC is applied to the holder 90'', thereby minimizing damage to the jack 20i and the plug PCd. In particular, the holder body 91'' is in close contact with the sidewall of the base 20 to effectively disperse the external force applied to the power cable PC.

Referring to FIG. 40 , the first hole 92T1 may be formed through a side surface of the head grab 92'' and may be adjacent to the holder body 91''. The first hole 92T1 may be a slit formed long in the circumferential direction of the head grab 92''. The plurality of first holes 92T1 may be spaced apart from each other along the axial direction of the head grab 92''. The second hole 92T2 may be formed through a side surface of the head grab 92'' and may be opposite to the first hole 92T1. The second hole 92T2 may be a slit formed long in the circumferential direction of the head grab 92''. The plurality of second holes 92T2 may be spaced apart from each other along the axial direction of the head grab 92''.

Accordingly, the head grab 92'' can have improved elasticity at the positions of the first hole 92T1 and the second hole 92T2, thereby reducing the external force applied to the power cable PC connected to the jack 20i. can be further buffered.

Referring to FIG. 41 , a power cable (PC) may be connected to the base 20 and may provide external power to a battery mounted inside the base 20 and/or to the head 10 . Alternatively, the power cable (PC) may be separated from the base 20, and the head 10 may be operated by receiving power from a battery mounted inside the base 20.

29 and 41, the wheel 29 may be mounted on the lower surface of the base 20. For example, a plurality of wheels 29 may be arranged along the perimeter of the base 20 . Accordingly, the user can freely move the display device on the ground using the wheel 29 . The base 20 may be referred to as a moving base.

Referring to FIG. 42 , the head 10 may be spaced upward from the base 20 . The user can pivot the head 10. The pivot axis may pass through the center of the head 10 and be orthogonal to the head 10 . Referring to the left picture of FIG. 42 , the head 10 may be placed in landscape mode. Referring to the right picture of FIG. 42 , the head 10 may be placed in portrait mode.

Referring to FIG. 43 , the user may tilt the head 10 . The tilt axis is located behind the center of the head 10 and may be a horizontal axis parallel to the head 10 . A user can swivel the head 10. The first swivel axis may be a vertical axis adjacent to one end of the arm 50 . The second swivel axis may be a vertical axis adjacent to the other end of the arm 50 . The user can raise or lower the head 10 from the pole 30 .

The aforementioned pivoting, tilting, swiveling, and elevating operations of the head 10 may be implemented independently of each other. For example, the head 10 may be pivoted within a range of +90 degrees to -90 degrees. For example, the head 10 may be tilted within a range of +25 degrees to -25 degrees. For example, the head 10 may be swiveled within a range of +65 to -65 degrees. For example, the head 10 may be positioned 1,065 to 1,265 mm from the base 20 or the ground in a landscape mode.

1 to 43, a display device according to an aspect of the present disclosure includes: a head having a display panel; a stand supporting the head and having a jack; a power cable having a plug inserted into the jack; The power cable may include a cable holder to which the power cable is coupled, and the cable holder may contact the surface of the stand at a position adjacent to the jack.

The cable holder includes: a holder body contacting the surface of the stand; The holder body may include a cable grab formed on an outer surface of the holder body and holding the power cable, and a size of the holder body may be larger than that of the cable grab.

The stand has: a round base; And, it may further include a pole coupled to the base and to which the head is coupled, and the holder body may extend along the circumference of the base.

The plug may pass through the holder body and be inserted into the jack.

The power cable includes: a cable body extending long; The cable head may include a cable head connected to an end of the cable body, crossing the length direction of the cable body, and having an end to which the plug is coupled, wherein the cable grab includes: a slot into which the cable head is inserted. Head grab having a; The holder body may include: a first region where the head grab and the body grab are located; And, it may include a second area outside the first area.

The head grab may include a groove passing through a side surface of the head grab and facing the seating groove, and a portion between the cable head and the cable body may pass through the groove.

The body grab may be adjacent to the head grab, and the body grab may include: a first engaging portion protruding from one end of the seating groove toward the other end of the seating groove; The cable body may further include a second hooking part protruding from the other end of the seating groove toward one end of the seating groove, and the cable body may be caught on the first hooking part and the second hooking part.

The body grab includes: a first wall connecting one side of the seating groove and one side of the groove; a second wall connecting the other side of the seating groove and the other side of the groove and spaced apart from the first wall; A first engaging portion protruding from the inside of the first wall toward the second wall; And, it may further include a second hooking portion protruding from the inner side of the second wall toward the first wall, the groove communicates with the seating groove through a space between the first wall and the second wall. The cable body may be caught on the first hooking part and the second hooking part.

The cable grab includes: a first hole formed through a side surface of the head grab and facing the groove; In addition, a second hole formed through a side surface of the body grab and adjacent to the seating groove may be further included.

The power cable includes: a cable body extending long; The cable head may include a cable head connected to an end of the cable body, parallel to a longitudinal direction of the cable body, and having an end to which the plug is coupled, wherein the cable grab includes: a slot into which the cable head is inserted. It may include a head grab having a, wherein the holder body includes: a first region where the head grab is located; And, it may include a second area outside the first area.

The head grab includes: a pair of slits formed through a side surface of the head grab and facing each other; The apparatus may further include a pair of hooking parts formed inside the head grab and facing each other, and a portion between the cable head and the cable body may be caught by the pair of hooking parts.

The head grab includes: a first hole formed through a side surface of the head grab and adjacent to the holder body; In addition, a second hole formed through a side surface of the head grab and facing the first hole may be further included.

The cable holder may include an elastic material.

The stand includes: a base; a pole coupled to the base and to which the head is coupled; a top connector located inside the pole and connected to the head through a cable; a bottom connector located inside the base, coupled to the top connector, and having the jack; The battery may be located inside the base and electrically connected to the bottom connector.

The stand may further include a weight located inside the base and coupled to the bottom connector.

Certain or other embodiments of the present disclosure described above are not mutually exclusive or distinct from each other. Certain or other embodiments of the present disclosure described above may be combined or used in combination with each component or function.

For example, configuration A described in a specific embodiment and/or drawing may be combined with configuration B described in another embodiment and/or drawing. That is, even if the combination between the components is not directly explained, it means that the combination is possible except for the case where the combination is impossible.

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

Claims (15)

a head having a display panel;
a stand supporting the head and having a jack;
a power cable having a plug inserted into the jack; and,
Including a cable holder to which the power cable is coupled,
The cable holder is:
a holder body adjacent to the jack and in contact with the surface of the stand, through which the plug passes; and,
Including a cable grab formed on the outer surface of the holder body,
The power cable is:
a long cable body; and,
a cable head connected to an end of the cable body, crossing the lengthwise direction of the cable body, and having an end to which the plug is coupled;
The cable grab is:
a body grab having a seating groove in which the cable body is seated; and,
A head grab having a slot into which the cable head is inserted and a groove toward the seating groove;
The portion between the cable head and the cable body,
A display device penetrating the groove. According to claim 1,
The cable grab grabs the power cable,
The size of the holder body,
A display device larger than the size of the cable grab. According to claim 2,
The stand is:
round base; and,
It is coupled to the base and further includes a pole to which the head is coupled,
The holder body,
A display device extending along the circumference of the base. delete According to claim 2,
The holder body is:
a first area where the head grab and the body grab are located; and,
A display device including a second area outside the first area. According to claim 1,
The groove,
A display device formed through a side surface of the head grab. According to claim 6,
The body grab is adjacent to the head grab,
The body grab is:
a first engaging portion protruding from one end of the seating groove toward the other end of the seating groove; and,
Further comprising a second engaging portion protruding from the other end of the seating groove toward one end of the seating groove,
The cable body,
A display device that is caught by the first hooking part and the second hooking part. According to claim 6,
The body grab is:
A first wall connecting one side of the seating groove and one side of the groove;
a second wall connecting the other side of the seating groove and the other side of the groove and spaced apart from the first wall;
A first engaging portion protruding from the inside of the first wall toward the second wall; and,
Further comprising a second engaging portion protruding from the inside of the second wall toward the first wall,
The groove,
In communication with the seating groove through the space between the first wall and the second wall,
The cable body,
A display device that is caught by the first hooking part and the second hooking part. According to claim 6,
The cable grab is:
a first hole formed through a side surface of the head grab and facing the groove; and,
A display device further comprising a second hole formed through a side surface of the body grab and adjacent to the seating groove. a head having a display panel;
a stand supporting the head and having a jack;
a power cable having a plug inserted into the jack; and,
Including a cable holder to which the power cable is coupled,
The cable holder is:
a holder body adjacent to the jack and in contact with the surface of the stand, through which the plug passes; and,
Including a cable grab formed on the outer surface of the holder body,
The power cable is:
a long cable body; and,
a cable head connected to an end of the cable body, parallel to a longitudinal direction of the cable body, and having an end to which the plug is coupled;
The cable grab is:
A head grab having a slot into which the cable head is inserted,
The head grab is:
a pair of slits formed through a side surface of the head grab and facing each other;
a first hole formed through a side surface of the head grab and adjacent to the holder body; and,
A display device comprising a second hole formed through a side surface of the head grab and facing the first hole. According to claim 10,
The head grab is:
It is formed inside the head grab and further includes a pair of engaging parts facing each other,
The portion between the cable head and the cable body,
A display device caught on the pair of hanging parts. According to claim 10,
The holder body is:
a first area where the head grab is located; and,
A display device including a second area outside the first area. According to claim 1,
The cable holder is a display device comprising an elastic material. According to claim 1,
The stand is:
Base;
a pole coupled to the base and to which the head is coupled;
a top connector located inside the pole and connected to the head through a cable;
a bottom connector located inside the base, coupled to the top connector, and having the jack; and,
A display device further comprising a battery located inside the base and electrically connected to the bottom connector. According to claim 14,
The stand is:
The display device further comprises a weight located inside the base and coupled to the bottom connector.

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