KR102535375B1 - Display device - Google Patents

Abstract

Disclosed is a display device, which may provide a structure of coupling an articulated connector which implements various motions to a frame of a head. The display device of the present disclosure comprises: a display panel; a frame which is located at the rear of the display panel; a fixing plate which is located at the rear of the frame, is coupled to the frame, and is provided with a top hole and a bottom hole spaced apart from each other in a first direction; an articulated connector which is provided with a top protrusion unit inserted into the top hole and a bottom protrusion unit inserted into the bottom hole; and a locking unit which is coupled to a rear surface of the frame, and is provided with a hook unit penetrating the bottom hole in the first direction and an elastic member moving the hook unit in the first direction. The bottom protrusion unit is hooked to the inside of the hook unit. The top protrusion unit is hooked to the inside of the fixing plate.

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 for a display panel.

Another object may be to provide a structure capable of freely adjusting the angle or position of a head having a display panel.

Another object may be to provide a structure capable of implementing various head motions, such as a pivot motion, a tilt motion, a swivel motion, and an elevator motion, independently of each other.

Another object may be to provide a structure for coupling an articulated connector that implements various motions to the frame of the head.

According to one aspect of the present disclosure for achieving the above or other object, a display device includes: a display panel; a frame located behind the display panel; a fixing plate located behind the frame, coupled to the frame, and having a top hole and a bottom hole spaced apart from each other in a first direction; an articulated connector having a top protrusion inserted into the top hole and a bottom protrusion inserted into the bottom hole; And, as a locking unit coupled to the rear surface of the frame; may include a locking unit having a locking portion penetrating the bottom hole in the first direction, and an elastic member for moving the locking portion in the first direction. The bottom protrusion may be caught on the inside of the holding part, and the top protrusion may be caught on the inside of the fixing plate.

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 for a display panel may be provided.

According to at least one of the embodiments of the present disclosure, a structure capable of freely adjusting an angle or a position of a head having a display panel may be provided.

According to at least one of the embodiments of the present disclosure, it is possible to provide a structure capable of independently implementing various head motions such as a pivot motion, a tilt motion, a swivel motion, and an elevator motion.

According to at least one of the embodiments of the present disclosure, a structure for coupling an articulated connector implementing various motions to a frame of 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 35 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.

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.

The input unit (IU) may be provided on the rear surface of the frame 13 . For example, the user can connect HDMI or USB to the input unit (IU).

The coupling parts 131 and 132 may be formed while being pressed from the front of the frame 13 to the rear. The first protrusion 131a may protrude backward from the rear surface of the first coupling portion 131 . The first coupling hole 131b may be formed on the rear surface of the first coupling portion 131 and may be spaced apart from the first protrusion 131a. The second protrusion 132a may protrude backward from the rear surface of the second coupling part 132 . The second coupling hole 132b may be formed on a rear surface of the second coupling portion 132 and may be spaced apart from the second protrusion 132a. The first coupling part 131 and the second coupling part 132 may be located below the central portion of the frame 13 .

7 and 8, the locking unit 18 includes a coupling body 181, elastic members 182a and 182b, a support body 183, and fastening members 184a, 184b, 184c and 184d. can include The locking unit 18 may be referred to as an auto click unit.

The coupling body 181 may extend left and right. The first upper hole 1811a and the first lower hole 1811b may be adjacent to the left side of the coupling body 181 and may be spaced apart from each other in the width direction of the coupling body 181 . The first protrusion 131a may be inserted into the first upper hole 1811a. The first fastening member 184a may be fastened to the first coupling hole 131b (see FIG. 6 ) through the first lower hole 1811b. The second upper hole 1812a and the second lower hole 1812b may be adjacent to the right side of the coupling body 181 and may be spaced apart from each other in the width direction of the coupling body 181 . The second protrusion 132a may be inserted into the second upper hole 1812a. The second fastening member 184b may be fastened to the second coupling hole 132b (see FIG. 6 ) through the second lower hole 1812b.

Accordingly, the coupling body 181 may be coupled to the coupling parts 131 and 132 . In addition, the protrusions 131a and 132a may guide coupling between the coupling body 181 and the coupling portions 131 and 132 .

The supporters 181a and 181b may protrude backward from the rear surface of the coupling body 181 and may be bent upward. The supporters 181a and 181b may include a first supporter 181a and a second supporter 181b spaced apart from each other in the longitudinal direction of the coupling body 181 .

The elastic members 182a and 182b may be located behind the coupling body 181 . The elastic members 182a and 182b may be stretched or compressed in the width direction of the coupling body 181, that is, in the vertical direction. The elastic members 182a and 182b may be springs. The supporters 181a and 181b may be inserted into the elastic members 182a and 182b and may support the elastic members 182a and 182b. The first elastic member 182a may be coupled to the first supporter 181a, and the second elastic member 12b may be coupled to the second supporter 181b.

The guide pins 181c and 181d may protrude backward from the rear surface of the coupling body 181 . For example, female threads may be formed on inner circumferential surfaces of the guide pins 181c and 181d. The first guide pin 181c may be located between the first supporter 181a and the second supporter 181b and may be adjacent to the first supporter 181a. The second guide pin 181d may be positioned between the first supporter 181a and the second supporter 181b and may be adjacent to the second supporter 181b.

The support body 183 may face the coupling body 181 with respect to the elastic members 182a and 182b. The support body 183 may extend along the coupling body 181 . The length of the support body 183 may be smaller than the length of the coupling body 181, and the width of the support body 183 may be greater than the width of the coupling body 181. Guide holes 183c and 183d may be formed in the support body 183, and guide pins 181c and 181d may be inserted therein. The third fastening member 184c may be fastened to the first guide pin 181c inserted into the first guide hole 183c, and the fourth fastening member 184d may be fastened to the first guide pin 181c inserted into the second guide hole 183d. 2 may be fastened to the guide pin 181d.

Accordingly, the support body 183 may be coupled to the coupling body 181 . In the horizontal direction, the widths of the guide holes 183c and 183d may be equal to or greater than the outer diameters of the guide pins 181c and 181d. In the vertical direction, the widths of the guide holes 183c and 183d may be greater than the outer diameters of the guide pins 181c and 181d. That is, the guide holes 183c and 183d may be vertically long slots. At this time, the support body 183 may move up and down with respect to the guide pins 181c and 181d. In addition, the third fastening member 184c and the fourth fastening member 184d may have heads contacting the rear surface of the support body 183, and the support body 183 is separated from the coupling body 181 backward. can prevent it from happening. The third fastening member 184c may be referred to as a first stopper 184c, and the fourth fastening member 184d may be referred to as a second stopper 184d.

The first block 1831 may form the left side of the support body 183 and may open toward the first elastic member 182a. The first elastic member 182a may be located in the inner space of the first block 1831 and may be covered by the first block 1831 . The inner side of the first block 1831 may span the upper end of the first elastic member 182a (see FIG. 11). The second block 1832 may form a right side of the support body 183 and may open toward the second elastic member 182b. The second elastic member 182b may be located in the inner space of the second block 1832 and may be covered by the second block 1832 . The inner side of the second block 1832 may span an upper end of the second elastic member 182b.

Accordingly, according to compression or restoration of the elastic members 182a and 182b, the support body 183 may move downward or upward with respect to the coupling body 181 .

The first hooking portion 1831a may protrude upward from the upper end of the first block 1831 and may have a rear surface inclined at a first angle theta 1 with respect to the rear surface of the first block 1831 . The second stiffening portion 1832a may protrude upward from the upper end of the second block 1832 and may have a rear surface inclined at a second angle theta 2 with respect to the rear surface of the second block 1832 . The second angle theta 2 may be the same as the first angle theta 1 .

A center pin (1830a) may protrude backward from the central portion 1830 of the support body 183. The center pin 1830a may be positioned between the first guide hole 183c and the second guide hole 183d. The center pin 1830a may be referred to as a guide pin 1830a or a stopper pin 1830a.

Referring to FIG. 9 , 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, SPKb, see FIG. 8 ) mounted on the frame 13 . The cover 15c may be detachably coupled to the back cover 15 and may cover the input unit (IU, see 6). The button 15d operable by the user may be mounted on the frame 13 and may be located on the back cover 15 . For example, the jersey 150 (refer to FIG. 20) may cover the rear surface of the back cover 15 and may include a fabric material.

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. 10 and 11 , the fixing plate 41 may have a circular plate shape corresponding to the hole 15h of the back cover 15 . The fixing plate 41 may be located in the hole 15h. The fixing plate 41 may include a first recessed portion 410 and a second recessed portion 411 . The first recessed portion 410 may be formed while being depressed forward in the fixing plate 41 and may extend along the circumference of the fixing plate 41 . The second recessed portion 411 may be formed while being recessed forward from the first recessed portion 410 , and may form a central portion of the fixing plate 41 .

The fixing hole 41H may be formed in the second concave portion 411 of the fixing plate 41 and may be aligned with the fixing portion 13H (see FIG. 9 ). The fastening member Fh, such as a screw, may be fastened to the fixing part 13H (see FIG. 9) through the fixing hole 41H. Accordingly, the fixing plate 41 may be coupled to the frame 13 (see FIG. 9).

The bottom hole 41b may be formed through the second depression 411 and may be located below the center of the fixing plate 41 . The bottom hole 41b may be formed below the second recessed part 411 and may be located at a boundary between the second recessed part 411 and the first recessed part 410 . The position of the bottom hole 41b may correspond to the positions of the hooking parts 1831a and 1832a. The first hooking part 1831a may pass through the first bottom hole 41b1, and a gap may be formed between the rear surface of the second recessed part 411 and the front surface of the first hooking part 1831a. The second hooking part 1832a may pass through the second bottom hole 41b2 , and a gap may be formed between the rear surface of the second recessed part 411 and the front surface of the second hooking part 1832a.

The top hole 41a may be formed through the second depression 411 and may be located above the center of the fixing plate 41 . The top hole 41a may be formed above the second recessed part 411 and may be located at a boundary between the second recessed part 411 and the first recessed part 410 . In the vertical direction, each of the first top hole 41a1 and the second top hole 41a2 may be aligned with each of the first bottom hole 41b1 and the second bottom hole 41b2 .

Referring to FIG. 12 , the front bracket 42 of the articulating connector 40 may have a plate shape as a whole.

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. 13 and 14 , the rear bracket 43 may be positioned 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, the rotation of the disk 45c2 and the pivot shaft 44 may be restricted 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.

Additionally, the user may pivot the head 10 (see FIGS. 10 and 11 ) relative 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 15, 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. 13 ) 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 FIGS. 10 and 11) 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. 16 and 17 , 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.

18 and 19 , the cover 40c may include an inner cover 40c1 and an outer cover 40c2. For example, the inner cover 40c1 and the outer cover 40c2 may include a plastic material.

The inner cover 40c1 may cover the rear of the cable reel 49 (see FIG. 17) and may have a cover hole 40h through which the first rotating unit 48 passes. The cable C may pass through the cover hole 40h. The fastening members 49f1 and 49f2 (see FIG. 17) 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 outer cover 40c2 may have a ring shape as a whole. The inner circumference of the outer cover 40c2 may be rotatably coupled to the outer circumference of the inner cover 40c1 in a circumferential direction.

20 and 21, the front bracket 42 may be positioned between the fixing plate 41 and the cover 40c. The outer cover 40c2 of the cover 40c may be coupled to the second concave portion 411 of the fixing plate 41 .

One end (CCa) of the cable head (CC) may be fixed to the end of the cable (C). The other end (CCb) of the cable head (CC) may pass through the fixing plate 41 and may be electrically connected to a terminal provided on one side (eg, the right side) of the power supply board (PSU, see FIG. 8). there is.

Referring back to FIGS. 11 and 12 , the top protrusion 42a may protrude upward from the upper side of the front bracket 42 . The first top protrusion 42a1 may be adjacent to the left side of the front bracket 42 . The second top protrusion 42a2 may be adjacent to the right side of the front bracket 42 .

The non-tamper protrusion 42b may protrude downward from the lower side of the front bracket 42 . The first bottom protrusion 42b1 may be adjacent to the left side of the front bracket 42 . The second bottom protrusion 42b2 may be adjacent to the right side of the front bracket 42 .

The first top protrusion 42a1 , the second top protrusion 42a2 , the first bottom protrusion 42b1 , and the second bottom protrusion 42b2 may be located at corners of the front bracket 42 .

The first bottom protrusion 42b1 may correspond to the first bottom hole 41b1, and the second bottom protrusion 42b2 may correspond to the second bottom hole 41b2. The first top protrusion 42a1 may correspond to the first top hole 41a1 , and the second top protrusion 42a2 may correspond to the second top hole 41a2 .

In the vertical direction, the distance between the top projection 42a and the bottom projection 42b may be greater than the distance between the top hole 41a and the bottom hole 41b.

Referring to FIG. 22 , the front surface of the first hooking part 1831a may be spaced apart from the rear surface of the second recessed part 411 by a predetermined distance Za. The front surface of the second hooking part 1832a may be spaced apart from the rear surface of the second recessed part 411 by a predetermined distance Za.

Before the front bracket 42 (see FIG. 12) is coupled to the fixing plate 41 (see FIG. 11), the portion of the support body 183 defining the boundary of the guide holes 183c and 183d is a guide pin 181c, 181d) can be caught at the bottom. Also, the center pin 1830a may be caught on the upper end of the first concave portion 410 defining the boundary of the pin hole 41c (see FIG. 21 ).

Referring to FIGS. 22 and 23 , the first bottom protrusion 42b1 may be inserted into a space between the front surface of the first hooking part 1831a and the rear surface of the second recessed part 411 . The second bottom protrusion 42b2 may be inserted into a space between the front surface of the second hooking part 1832a and the rear surface of the second recessed part 411 . The first bottom protrusion 42b1 may contact the upper side of the first block 1831 , and the second bottom protrusion 42b2 may contact the upper side of the second block 1832 .

The user may move the bottom protrusions 42b1 and 42b2 downward. Lower ends of the elastic members 182a and 182b may be supported by supporters 181a and 181b, and upper ends of the elastic members 182a and 182b may contact inner sides of the blocks 1831 and 1832 . Accordingly, the elastic members 182a and 182b may be compressed according to the descent of the bottom protrusions 42b1 and 42b2.

In this case, the portion of the support body 183 defining the boundary between the guide holes 183c and 183d may be caught on top of the guide pins 181c and 181d. Also, the center pin 1830a (see FIG. 21) can move downward on the pin hole 41c (see FIG. 21).

At this time, the user may insert the first top protrusion 42a1 and the second top protrusion 42a2 into the first top hole 41a1 and the second top hole 41a2, respectively (see FIGS. 11 and 12).

Referring to FIGS. 23 and 24 , when the force applied to the bottom protrusions 42b1 and 42b2 by the user is released, the elastic members 182a and 182b are restored to their original state and can be extended. The elastic members 182a and 182b may push the blocks 1831 and 1832 upward.

In this case, portions of the support body 183 defining the boundaries of the guide holes 183c and 183d may be caught on lower ends of the guide pins 181c and 181d. Also, the center pin 1830a (see FIG. 21) can move upward on the pin hole 41c (see FIG. 21).

The bottom protrusions 42b1 and 42b2 may be located in the bottom holes 41b1 and 41b2 and may be caught on the front surfaces of the hooking parts 1831a and 1832a (see FIG. 22). In addition, the top protrusions 42a1 and 42a2 may be located in the top holes 41a1 and 41a2 and may be caught on the sidewall of the second recessed portion 411 defining the boundary of the top holes 41a1 and 41a2 (FIG. 11 and 12). That is, the front bracket 42 may be coupled to the fixing plate 41 .

When the user presses the blocks 1831 and 1832 with the bottom protrusions 42b1 and 42b2, the elastic members 182a and 182b may be compressed (see FIG. 23). At this time, the user can take out the top protrusions 42a1 and 42a2 from the top holes 41a1 and 41a2 and then take the bottom protrusions 42b1 and 42b2 out of the bottom holes 41b1 and 41b2. When the force applied to the blocks 1831 and 1832 by the user is released, the elastic members 182a and 182b are restored to their original state and can be extended, and the elastic members 182a and 182b move the blocks 1831 and 1832 upward. It can be pushed out (see Fig. 22). That is, the front bracket 42 may be separated from the fixing plate 41 .

Accordingly, the front bracket 42 may be detachably coupled to the fixing plate 41 . The head including the display panel 11, the frame 13, the back cover 15, and the like can be pivoted along with the fixing plate 41 and the front bracket 42 (see FIGS. 11 and 12).

25 and 26, 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 portion 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 the 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. 17) may be located in the cable groove 50c.

Referring to FIG. 27 , the upper cover 53 may cover the surface of the upper arm body 51 (see FIG. 26 ). The lower cover 54 may cover the surface of the lower arm body 52 (see FIG. 26 ). 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.

27 and 28, 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. 26 ) 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. 26 ).

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.

27 and 29, 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. 26 ) 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. 26).

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. 30 , 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.

And, the lower end 31 of the pole 30 may be inserted into and coupled to a port 21 formed on the upper surface of the base 20 .

30 and 31, 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 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 an upper side closed. 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 . That is, the lower shaft 63 may be inserted into the upper shaft 62 . A lower end of the lower shaft 63 may be fixed on the stem 63s.

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. 31 and 32 , 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. 31 and 33 , 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. 32 and 33 , the cable groove 61g may be formed in the front portion 61F of the vertical member 61 and may be formed long in the vertical direction. The cable C may be inserted into the cable groove 61g. The cable C may be disposed along the cable groove 50c of the arm 50 (see FIG. 17 ) and electrically connected to the head 10 . The cable C may be disposed along the stem 63s (see FIG. 31) and may be electrically connected to a battery (Bt, see FIG. 1) disposed inside the base 20 or the like. The battery Bt may provide power to the head 10 through the cable C. The battery Bt may be a rechargeable battery. Cable C may be a power cable and/or a signal cable. Cable (C) may be made of several strands.

Referring to FIG. 34 , 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. 34 , the head 10 may be placed in landscape mode. Referring to the right picture of FIG. 34 , the head 10 may be placed in portrait mode.

Referring to FIG. 35 , 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 35 , a display device according to an aspect of the present disclosure includes: a display panel; a frame located behind the display panel; a fixing plate located behind the frame, coupled to the frame, and having a top hole and a bottom hole spaced apart from each other in a first direction; an articulated connector having a top protrusion inserted into the top hole and a bottom protrusion inserted into the bottom hole; And, as a locking unit coupled to the rear surface of the frame; may include a locking unit having a locking portion penetrating the bottom hole in the first direction, and an elastic member for moving the locking portion in the first direction. The bottom protrusion may be caught on the inside of the holding part, and the top protrusion may be caught on the inside of the fixing plate.

A distance between the top protrusion and the bottom protrusion may be greater than a distance between the top hole and the bottom hole in the first direction.

The elastic member may extend in the first direction, and the locking unit may include: a coupling body coupled to the rear surface of the frame and supporting one end of the elastic member; And, it may include a support body located at the rear of the coupling body, provided with the locking part, and supported by the other end of the elastic member.

The support body may include: a block accommodating the elastic member; one side of the block may include a block spanning the other end of the elastic member, and the locking portion may be attached to the elastic member with respect to the one side of the block. It may face, and the end of the bottom protrusion may contact the one side of the block, and may be caught on the front of the hooking part.

The coupling body may further include a guide pin protruding rearward from a rear surface of the coupling body, and the support body may further include a guide hole formed through the support body and through which the guide pin passes. A width of the guide hole may be greater than an outer diameter of the guide pin in the first direction.

The locking unit may further include a fastening member coupled to a guide pin inserted into the guide hole and having a head contacting a rear surface of the support body.

The support body may further include a center pin protruding rearward from a rear surface of the support body, and the fixing plate may further include a pin hole formed through the fixing plate and through which the center pin passes. A width of the pin hole may be larger than an outer diameter of the center pin in the first direction.

The frame may further include a coupling portion formed on a rear surface of the frame and having a coupling hole and a protrusion, and the coupling body includes: a lower hole aligned with the coupling hole and through which a coupling member passes; And, it may further include an upper hole into which the protrusion is inserted.

The frame may include a fixing portion formed on a rear surface of the frame and coupled to the fixing plate, and the locking unit may be spaced apart from the fixing portion in the first direction.

The fixing plate includes: a first recessed portion formed while being recessed forward from the fixing plate; And it may further include a second recessed portion formed while being completely depressed in the first recessed portion, and the top hole and the bottom hole may be formed through sidewalls of the second recessed portion.

The hooking part may be spaced apart from the rear surface of the second recessed part to the rear, the bottom protrusion part may be caught on the hooking part between the rear surface of the second recessed part and the hooking part, and the top protrusion may It may be hung on the sidewall of the second depression defining the boundary of the top hole.

The top hole may further include a pair of top holes spaced apart from each other in a second direction crossing the first direction, and the top protrusion further includes a pair of top protrusions corresponding to the pair of top holes. The bottom hole may further include a pair of bottom holes spaced apart from each other in the second direction, and the bottom protrusion may further include a pair of bottom protrusions corresponding to the pair of bottom holes. can do.

The display device may further include a back cover covering a rear side of the frame and coupled to the frame, and the back cover may include a hole where the fixing plate is positioned.

The articulating connector includes: a pivot module rotating about a pivot axis orthogonal to the display panel; a tilt module parallel to the display panel and rotating about a tilt axis extending in a horizontal direction; And, it may include a first rotation unit that rotates about a first swivel axis parallel to the display panel and extending in a vertical direction.

The display device includes: a base spaced apart from the display panel; a pole extending from the base in a direction in which the display panel is spaced apart from the base; an elevating module movably coupled to the pole in the longitudinal direction of the pole; It may further include an arm extending in a direction crossing the display panel and the pole, one side connected to the articulating connector, and the other side connected to the lifting module, wherein the lifting module comprises: the pole Parallel to and may include a second rotation unit that rotates around a second swivel axis extending in the vertical direction.

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)

display panel;
a frame located behind the display panel;
a fixing plate located behind the frame, coupled to the frame, and having a top hole and a bottom hole spaced apart from each other in a first direction;
a connector having a top protrusion inserted into the top hole and a bottom protrusion inserted into the bottom hole; and,
A locking unit coupled to the rear surface of the frame; including a locking portion penetrating the bottom hole in the first direction and an elastic member extending in the first direction and moving the locking portion in the first direction. contain units,
The bottom protrusion is caught on the inside of the locking portion,
The top protrusion is caught on the inside of the fixing plate,
The locking unit is:
A coupling body coupled to the rear surface of the frame and supporting one end of the elastic member; a coupling body having a guide pin protruding backward from the rear surface of the coupling body; and,
A support body located at the rear of the coupling body, having the locking part, and supported by the other end of the elastic member; a support body formed through the support body and having a guide hole through which the guide pin passes. include,
The width of the guide hole is
In the first direction, the display device larger than the outer diameter of the guide pin. According to claim 1,
The distance between the top protrusion and the bottom protrusion,
A display device greater than a distance between the top hole and the bottom hole in the first direction. delete According to claim 1,
The support body is:
A block accommodating the elastic member; As, one side of the block includes a block spanning the other end of the elastic member,
The hanging part,
Opposing the elastic member with respect to the one side of the block,
The end of the bottom protrusion,
A display device in contact with the one side of the block and caught on the front surface of the hanging part. delete According to claim 1,
The locking unit is:
A display device further comprising a fastening member coupled to a guide pin inserted into the guide hole and having a head contacting a rear surface of the support body. display panel;
a frame located behind the display panel;
a fixing plate located behind the frame, coupled to the frame, and having a top hole and a bottom hole spaced apart from each other in a first direction;
a connector having a top protrusion inserted into the top hole and a bottom protrusion inserted into the bottom hole; and,
A locking unit coupled to the rear surface of the frame; including a locking portion penetrating the bottom hole in the first direction and an elastic member extending in the first direction and moving the locking portion in the first direction. contain units,
The bottom protrusion is caught on the inside of the locking portion,
The top protrusion is caught on the inside of the fixing plate,
The locking unit is:
a coupling body coupled to the rear surface of the frame and supporting one end of the elastic member; and,
A support body located at the rear of the coupling body, having the locking part, and supported by the other end of the elastic member; including a support body having a center pin protruding rearward from the rear surface of the support body,
The fixed plate is:
A pin hole formed through the fixing plate and through which the center pin passes;
The width of the pin hole is
A display device larger than an outer diameter of the center pin in the first direction. According to claim 1,
The frame is:
Further comprising a coupling portion formed on the rear surface of the frame and having a coupling hole and a protrusion,
The combined body is:
a lower hole aligned with the coupling hole and through which a fastening member passes; and,
Display device further comprising an upper hole into which the protrusion is inserted. According to claim 1,
The frame is:
It is formed on the rear surface of the frame and includes a fixing portion to which the fixing plate is coupled,
The locking unit,
A display device spaced apart from the fixing part in the first direction. According to claim 1,
The fixed plate is:
a first recessed portion formed while being recessed forward from the fixing plate; and
Further comprising a second recessed portion formed while being recessed forward from the first recessed portion,
The top hole and the bottom hole,
A display device formed through the sidewall of the second depression. According to claim 10,
The hooking part is spaced apart from the rear surface of the second recessed part to the rear,
The bottom protrusion,
The hooking part is caught between the rear surface of the second recessed part and the hooking part,
The top protrusion,
A display device caught on a sidewall of the second recessed portion defining a boundary of the top hole. According to claim 1,
The top hole is:
Further comprising a pair of top holes spaced apart from each other in a second direction crossing the first direction,
The top protrusion is:
Further comprising a pair of top protrusions corresponding to the pair of top holes,
The bottom hole is:
Further comprising a pair of bottom holes spaced apart from each other in the second direction,
The bottom protrusion is:
A display device further comprising a pair of bottom protrusions corresponding to the pair of bottom holes. According to claim 1,
Covering the rear of the frame and further comprising a back cover coupled to the frame,
The back cover is:
A display device comprising a hole in which the fixing plate is located. According to claim 1,
The connector is:
a pivot module rotating around a pivot axis orthogonal to the display panel;
a tilt module parallel to the display panel and rotating about a tilt axis extending in a horizontal direction; and,
A display device including a first rotation unit that rotates about a first swivel axis parallel to the display panel and extending in a vertical direction. According to claim 14,
a base spaced apart from the display panel;
a pole extending from the base in a direction in which the display panel is spaced apart from the base;
an elevating module movably coupled to the pole in the longitudinal direction of the pole;
An arm extending in a direction crossing the display panel and the pole, one side connected to the connector, and the other side connected to the lifting module;
The elevation module:
A display device including a second rotation unit that rotates about a second swivel axis parallel to the pole and extending in a vertical direction.

Images