Patent ID: 12216490

DETAILED DESCRIPTION

Description will now be given in detail according to exemplary embodiments disclosed herein, with reference to the accompanying drawings. For the sake of brief description with reference to the drawings, the same or equivalent components may be denoted by the same reference numbers, and description thereof will not be repeated.

In general, suffixes such as “module” and “unit” may be used to refer to elements or components. Use of such suffixes herein is merely intended to facilitate description of the specification, and the suffixes do not have any special meaning or function.

In the present disclosure, that which is well known to one of ordinary skill in the relevant art has generally been omitted for the sake of brevity. The accompanying drawings are used to assist in easy understanding of various technical features and it should be understood that the embodiments presented herein are not limited by the accompanying drawings. As such, the present disclosure should be construed to extend to any alterations, equivalents and substitutes in addition to those which are particularly set out in the accompanying drawings.

It will be understood that although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another.

It will be understood that when an element is referred to as being “connected with” another element, there may be intervening elements present. In contrast, it will be understood that when an element is referred to as being “directly connected with” another element, there are no intervening elements present.

A singular representation may include a plural representation unless context clearly indicates otherwise.

In the present application, it should be understood that the terms “comprises, includes,” “has,” etc. specify the presence of features, numbers, steps, operations, elements, components, or combinations thereof described in the specification, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, or combinations thereof.

Direction indications of up (U), down (D), left (Le), right (Ri), front (F), and rear (R) shown in the drawings are for convenience of description, and the technical concept disclosed in this specification is not limited thereto.

Referring toFIG.1, a display device1may include a head10. The head10may display an image. The head10may be referred to as a display10or a display unit10.

The head10may include a first long side LS1, a second long side LS2opposite to the first long side LS1, a first short side SS1adjacent to the first long side LS1and the second long side LS2, and a second short side SS2opposite to the first short side SS1. Meanwhile, for convenience of explanation, it is illustrated and described that the lengths of the first and second long sides LS1and LS2are longer than the lengths of the first and second short sides SS1and SS2, but a case in which the lengths of the first and second long sides LS1and LS2are approximately equal to the lengths of the first and second short sides SS1and SS2may be possible.

A direction parallel to the short sides SS1and SS2of the head10may be referred to as a first direction DR1or an up-down direction. A direction parallel to the long sides LS1, LS2, and long Side of the head10may be referred to as a second direction DR2or a left-right direction. A direction perpendicular to the long sides LS1and LS2and the short sides SS1and SS2of the head10may be referred to as a third direction DR3or a front-rear direction.

A direction in which the head10displays an image may be referred to as a front (F, z), and a direction opposite to this may be referred to as a rear R. The side of the first short side SS1may be referred to as a left side (Le, x). The side of the second short side SS2may be referred to as a right side Ri. The side of the first long side LS1may be referred to as an upper side (U, y). The side of the second long side LS2may 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 SS2may be referred to as an edge of the head10. In addition, a point where the first long side LS1, the second long side LS2, the first short side SS1, and the second short side SS2meet each other may be referred to as a corner.

A point where the first short side SS1and the first long side LS1meet may be a first corner C1. A point where the first short side SS1and the second long side LS2meet may be a second corner C2. A point where the second short side SS2and the second long side LS2meet may be a third corner C3. A point where the second short side SS2and the first long side LS1meet may be a fourth corner C4.

Referring toFIGS.1and2, a display device1may include a base20, a pole30, and a motion module MM.

The base20may have a flat cylinder shape as a whole. The base20may be placed on a ground.

The pole30may extend long in a vertical direction. The lower end of the pole30may be coupled onto the base20. The pole30may be adjacent to the circumference of the upper surface of the base20. The handle39may be coupled to the upper end of the pole30. The pole30and the aforementioned base20may be collectively referred to as a stand.

The motion module MM may extend in a direction intersecting the pole30. One side of the motion module MM may be coupled to the rear side of the head10. The other side of the motion module MM may be adjacent to the upper end of the pole30and may be coupled to the pole30. An articulated connector40may be coupled to the rear side of the head10, an elevating module60may be coupled to the pole30, and an arm50may connect the articulated connector and the elevating module60.

Accordingly, the head10may be supported by the motion module MM, the pole30, and the base20, and may be spaced upward from a ground.

Referring toFIGS.2and3, the head10may include a display panel11, a middle cabinet12, a frame13, an end frame14, and a back cover15.

The display panel11may form the front surface of the head10. For example, the display panel11may be an OLED panel, an LCD panel, or an LED panel. The display panel11may divide an image into a plurality of pixels and output the image by adjusting color, brightness, and saturation for each pixel. The display panel11may 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 panel11may generate light corresponding to red, green, or blue color according to a control signal.

The middle cabinet12may extend along the circumference of the display panel11. A horizontal portion12H may be located in front of the display panel11. A vertical portion12V may intersect the horizontal portion12H and may cover the side surface of the display panel11. For example, the middle cabinet12may include a metal or plastic material. The middle cabinet12may be referred to as a side frame or guide panel.

The frame13may be located in a rear of the display panel11. Electronic components such as a printed circuit board (PCB) may be coupled to the rear surface of the frame13. For example, the frame13may include a metal material. The frame13may be referred to as a mount plate or a module cover.

The end frame14may form a circumference of the head10. The horizontal portion14H may be located in front of the horizontal portion12H of the middle cabinet12. The vertical portion14V may cover a side surface of the vertical portion12V of the middle cabinet12. For example, the end frame14may include a metal or plastic material.

The back cover15may form the rear surface of the head10. The back cover15may cover the rear of the frame13and may be coupled to the frame13.

Referring toFIGS.3and4, a backlight unit110may be located between the display panel11and the frame13and may be coupled to the frame13. At this time, the display panel11may be referred to as an LCD panel. The backlight unit110may include an optical layer111and an optical sheet112. The optical layer111may include a substrate111a, at least one light source111b, a reflective sheet111c, and a diffusion plate111d.

The substrate111amay be coupled to the front surface of the frame13. The substrate111amay 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 source111bmay be mounted on the substrate111a. For example, the light source111bmay include a light emitting diode LED. An electrode pattern for connecting an adapter and the light source111bmay be formed on the substrate111a. The reflective sheet111cmay be located in front of the substrate111a. The reflective sheet111cmay have a hole111hin which the light source111bis located. The diffusion plate111dmay be located in front of the reflective sheet111c. A spacer111smay support the rear surface of the diffusion plate111dat between the reflective sheet111cand the diffusion plate111d.

The optical sheet112may be located in front of the diffusion plate111d. The rear surface of the optical sheet112may adhere to the diffusion plate111d, and the front surface of the optical sheet112may adhere to or be adjacent to the rear surface of the display panel110. The optical sheet112may include at least one of a diffusion sheet and a prism sheet. A coupling portion112dmay be formed on at least one edge of the optical sheet112.

Accordingly, light from the light source111bmay be provided to the display panel11through the diffusion plate111dand the optical sheet112. Meanwhile, the display panel11of the present disclosure may be an OLED panel that does not require the above-described backlight unit110or other types of panels.

Referring toFIGS.3and5, the backlight unit110′ may be located between the display panel11and the frame13, and coupled to the frame13. At this time, the display panel11may be referred to as an LCD panel. The backlight unit110′ may include an optical layer111′ and an optical sheet112. The optical layer111′ may include a substrate111a′, at least one light source111b′, a reflective sheet111f, and a light guide plate111e. The light guide plate38may be located between the frame13and the optical sheet112, and may be supported by the frame13.

The substrate111a′ may be adjacent to the circumference of the light guide plate38and may be coupled to the frame13. At least one light source111b′ may be mounted on the substrate111a′. For example, the light source111b′ may include a light emitting diode LED. An electrode pattern for connecting the adapter and the light source111b′ may be formed on the substrate111a′. The reflective sheet111fmay be located between the frame13and the light guide plate111e, and may be supported by the frame13.

Accordingly, the light from the light source111b′ may be provided to the display panel11through the light guide plate111eand the optical sheet112.

Meanwhile, the display panel11of the present disclosure may be an OLED panel that does not require the above-described backlight unit110′ or other types of panel.

Referring toFIG.6, electronic components may be mounted on the rear surface of the frame13, and may include a plurality of boards (PSU, MB, TC) and speakers (SPKa, SPKb).

A power supply board (PSU) may be located closer to the first short side SS1than the second short side SS2, and may be coupled to the rear surface of the frame13. The 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 source111b,111b′ of the backlight unit110,110′ (seeFIGS.4and5). The power supply board (PSU) may be referred to as an LED driver.

A main board (MB) may be located closer to the second short side SS2than the first short side SS1and may be coupled to the rear surface of the frame13. 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 frame13. The timing controller board TC may be electrically connected to the display panel11(seeFIG.3) through a cable (not shown), and may provide an image signal to the display panel11.

Speakers (SPKa, SPKb) may be located on a plurality of boards (PSU, MB, TC), may be coupled to the rear surface of the frame13. For example, a left speaker SPKa may be located closer to the first short side SS1than the second short side SS2, and may provide sound in a lateral direction. For example, a right speaker SPKb may be located closer to the second short side SS2than the first short side SS1, and may provide sound in a lateral direction.

A locking unit18may be coupled to the rear surface of the frame13. The locking unit18may be located below a central portion of the frame13. The locking unit18may be referred to as an auto click unit.

Referring toFIG.7, the back cover15may cover the rear of the frame13and may be coupled to the frame13. The location of the speaker hole15a,15bformed in the back cover15may correspond to the location of speaker SPKa, SPKb (seeFIG.8) mounted in the frame13. The cover15cmay be detachably coupled to the back cover15, and may cover an input unit (seeFIG.6) located below the locking unit18. The input unit may be connected to HDMI or USB. For example, a jersey150(seeFIG.21) may cover the rear surface of the back cover15and may include a fabric material.

A fixing portion13H may protrude in a rearward direction from the rear surface of the frame13. The fixing portion13H may be a pem nut. The fixing portion13H and the locking unit18may be exposed to the outside through a hole15hformed in the center of the back cover15.

Referring toFIGS.8and9, a fixing plate41may have a circular plate shape corresponding to the hole15hof the back cover15. The fixing plate41may be located in the hole15h. The fixing plate41may include a first recessed portion410and a second recessed portion411. The first recessed portion410may be formed while being recessed in a forward direction in the fixing plate41, and may extend along the circumference of the fixing plate41. The second recessed portion411may be formed while being recessed in a forward direction from the first recessed portion410, and may form a central portion of the fixing plate41.

A fixing hole41H may be formed in the second recessed portion411of the fixing plate41, and may be aligned with the fixing portion13H (seeFIG.7). A fastening member Fh, such as a screw, may be fastened to the fixing portion13H (seeFIG.7) through the fixing hole41H. Accordingly, the fixing plate41may be coupled to the frame13(seeFIG.7).

A bottom hole41bmay be formed to penetrate the second recessed portion411, and may be located below the center of the fixing plate41. The bottom hole41bmay be formed in a lower portion of the second recessed portion411, and may be located at a boundary between the second recessed portion411and the first recessed portion410. The location of the bottom hole41bmay correspond to the location of a hooking portion1831a,1832aof the locking unit18(seeFIG.7). A first hooking portion1831amay penetrate a first bottom hole41b1, and a gap may be formed between the rear surface of the second recessed portion411and the front surface of the first hooking portion1831a. A second hooking portion1832amay penetrate a second bottom hole41b2, and a gap may be formed between the rear surface of the second recessed portion411and the front surface of the second hooking portion1832a.

A top hole41amay be formed to penetrate the second recessed portion411, and may be located above the center of the fixing plate41. The top hole41amay be formed above the second recessed portion411, and may be located at a boundary between the second recessed portion411and the first recessed portion410. In the vertical direction, each of a first top hole41a1and a second top hole41a2may be aligned with each of the first bottom hole41b1and the second bottom hole41b2.

Referring toFIG.10, a front bracket42of the articulated connector40may have a plate shape as a whole.

A pivot shaft44may extend in a front-rear direction. The diameter of a head44aof the pivot shaft44may be greater than the diameter of a body44b. A pair of cut-outs44cmay be formed in the side surface of the body44b, and may face each other. A hole42hof the front bracket42may be formed in the central portion of the front bracket42and may be penetrated by the body44b. The shape of the hole42hof the front bracket42may be the same as the shape of the longitudinal section of the body44b. Accordingly, the pivot shaft44and the front bracket42may rotate together with respect to the axial direction of the pivot shaft44. That is, the pivot shaft44may provide a pivot axis.

A front grab45amay be located between the head44aand the front surface of the front bracket42. A hole45ahof the front grab45amay be aligned with the hole42hof the front bracket42, and may have the same shape as the hole42h. The body44bmay penetrate the holes45ahand42h. The front grab45amay be fixed to the front bracket42. That is, the front grab45amay rotate together with the pivot shaft44and the front bracket42.

Referring toFIGS.11and12, a rear bracket43may be located in a rear of the front bracket42. The rear bracket43may include a mount43F, a left wing43L, and a right wing43R.

The mount43F may face the front bracket42, and may have a circular mount hole43Fh. At least one washer43Fw may be located between the front bracket42and the mount43F, and may have a circular hole. The body44bof the pivot shaft44may penetrate the hole of the washer43Fw and the mount hole43Fh, and may rotate independently of the washer43Fw and the mount43F.

The left wing43L may extend in a rearward direction from the left side of the mount43F. The right wing43R may extend in a rearward direction from the right side of the mount43F. A plurality of members45c(45c1,45c2,45c3,45c4,45c5) described later may be coupled to the mount43F at between the left wing43L and the right wing43R.

A rear grab45c1may face the washer43Fw with respect to the mount43F, and may have a circular hole45chthrough which the body44bof the pivot shaft44passes. The rear grab45c1may be fixed to the rear surface of the mount43F.

In addition, a plurality of fixing holes45caand a plurality of slots45cbmay be formed in the rear grab45c1, and may be spaced apart from each other in the circumferential direction of the rear grab45c1. The plurality of fixing holes45caand the plurality of slots45cbmay be alternately located in the circumferential direction of the rear grab45c1. For example, the fixing holes45caor the slots45cbmay be spaced apart from each other at intervals of 90 degrees. In the circumferential direction of the rear grab45c1, the length of the slot45cbmay be greater than the length of the fixing hole45ca.

A disk45c2may be located in the rear of the rear grab45c1, and may have a hole45c2hthrough which the body44bpasses and which has the same shape as the longitudinal section of the body44b. A plurality of bosses45ccmay protrude from the front surface of the disk45c2toward the rear grab45c1, and may be spaced apart from each other in the circumferential direction of the disk45c2. For example, the bosses45ccmay be spaced apart from each other at intervals of 90 degrees. The size of the boss45ccmay be the same as or correspond to the size of the fixing hole45ca. That is, when the boss45ccis inserted into the fixing hole45ca, rotations of the disk45c2and the pivot shaft44may be restricted to a certain level by the rear grab45c1. Further, when the boss45ccis inserted into the slot45cb, the disk45c2and the pivot shaft44may rotate within the trajectory of the slot45cb.

The washer45c3may be located in a rear of the disk45c2, and may have a circular hole (no reference numeral) through which the body44bof the pivot shaft44passes.

A disc spring45c4may face the disc45c2with respect to the washer45c3, and may have a circular hole (unsigned) through which the body44bof the pivot shaft44passes. The disc spring45c4may have elasticity and may be convex forward or rearward. The disc spring45c4may generate an elastic force in the axial direction of the pivot shaft44.

A cap45c5may be located in a rear of the disc spring45c4, and may have a hole45c5hthrough which the body44bof the pivot shaft44passes. The shape of the hole45c5hmay be the same as the shape of the longitudinal section of the body44b. The cap45c5may be fixed to a distal end of the body44b.

Accordingly, the pivot shaft44may rotate together with the front bracket42, the front grab45a, the disk45c2, and the cap45c5. In addition, the pivot shaft45may rotate independently of the washer43Fw, the rear bracket43, the rear grab45c1, the washer45c3, and the disc spring45c4. In other words, even if the pivot shaft45rotates, the washer43Fw, the rear bracket43, the rear grab45c1, the washer45c3, and the disc spring45c4may not rotate.

In addition, a user may pivot the head10(seeFIGS.8and9) fixed to the front bracket42with respect to the pivot shaft44. For example, the head10may be pivoted within a range of +90 degrees to −90 degrees. In addition, due to the elastic force of the aforementioned disk spring45c41,45c2, the head10may maintain a certain pivot angle unless an external force of a certain level or higher is applied. In addition, during the pivoting movement of the head10, a user may feel a sense of fastening according to the fastening of the boss45ccand the fixing hole45caor the slot45cb. That is, when the boss45cccomes out of the slot45cband is inserted into the fixing hole45ca, a user may feel that the head10is located at a pivot angle of 0 degree, +90 degree, or −90 degree.

Referring toFIG.13, a holder47may be located between the left wing43L and the right wing43R. A holder body470may cover the rear of the mount43F of the rear bracket43. The first part47L may protrude toward the mount43F from the left side portion of the holder body470and may be adjacent to the left wing43L. A second part47R (seeFIG.11) may protrude toward the mount43F from the right side portion of the holder47and may be adjacent to the right wing43R.

A tilt shaft46may extend in the left-right direction. The tilt shaft46may penetrate the left wing43L, the first part47L, the second part47R, and the right wing43R. A head (no reference numeral), which is one end of the tilt shaft46, may be seated on the side surface of the left wing43L. The other end of the tilt shaft46may be threaded, and a fastening member46dsuch as a nut may be fastened to the other end of the tilt shaft46on the right wing43R.

In addition, the tilt shaft46may have a cylindrical shape as a whole, and may be fixed to the left wing43L and the right wing43R. The tilt shaft46may be rotatably coupled to the holder47. That is, the tilt shaft46may provide a tilt axis. At least one washer46vmay be located between the second part47R and the right wing43R, and may have a circular hole through which the tilt shaft46passes.

An elastic member46amay be located between the left wing43L and the right wing43R. The elastic member46amay be wound around the outer circumference of the tilt shaft46multiple times, and may have elasticity. The elastic member46amay be a coil-shaped spring.

In addition, a part46bof the elastic member46amay extend in a direction intersecting the tilt shaft46without being wound around the tilt shaft46. The part46bof the elastic member46amay be hooked on a mounting portion43hprotruding in a rearward direction from the mount43F.

In addition, one end of the elastic member46amay be formed in the part46b, and the other end of the elastic member46bmay be fixed to the inner side the holder47. The disc spring46wmay be adjacent to the other end46cof the elastic member46a, and may be located between the elastic member46aand the second part47R. The disc spring46wmay have a circular hole (no reference numeral) through which the tilt shaft46passes. The disc spring46wmay be convex in a direction toward the elastic member46a, and may generate an elastic force in an axial direction of the tilt shaft46.

Accordingly, the tilt shaft46may rotate together with the rear bracket43, the front bracket42, and the plurality of members45c5,45c4,45c3,45c2,45c1,43Fw,45a, and44. In response to the rotation of the tilt shaft46, the head10(seeFIGS.8and9) fixed to the front bracket42may be tilted up or down. For example, the head10may be tilted within a range of +25 degrees to −25 degrees. In addition, due to the elastic force of the elastic member46aand the disk spring46w, the head10may maintain a certain tilt angle unless an external force of a certain level or higher is applied.

Referring toFIGS.14and15, a first rotation unit48may be located in a rear of the holder47. A first connection portion471may connect the holder47and the first rotation unit48. For example, the holder47, the first connection portion471, and the first rotation unit48may be formed as one body.

A cable reel49may be located in a rear of the front bracket42. The cable reel49may be coupled to the left wing43L and the right wing43R through the fastening member49F such as a screw.

The rear bracket43and the holder47may be located in an inner space of a reel body (not shown) having a hollow cylinder shape of the cable reel49. Each of the first plate49aand the second plate49bof the cable reel49may protrude in the radial direction of the reel body from each of the front and rear ends of the reel body, and extend along the outer circumference of the reel body. That is, each of the first plate49aand the second plate49bmay have a ring shape as a whole. Accordingly, the cable C may be wound around the reel body of the cable reel49at between the first plate49aand the second plate49b.

Referring toFIGS.16and17, an inner cover40c1of a cover40cmay have a disk shape as a whole. For example, the inner cover40c1may include a plastic material. The inner cover40c1may include a dome40caand a rim40cb.

The dome40camay be convex in a rearward direction. A cover hole40hmay be formed in the dome40caand may have a longitudinally long slot shape. The first rotation unit48may penetrate the cover hole40h. A cable C may penetrate the cover hole40h.

The rim40cbmay protrude from the outer circumference of the dome40cain the radial direction of the dome40ca, and may extend along the outer circumference of the dome40ca. The rim40cbmay define the outer diameter D1of the inner cover40c1. The rim40cbmay be referred to as a horizontal rim.

An insertion groove40P may be formed in the inner circumference of the rim40cb, and a part of the insertion groove40P may be formed to penetrate the outer circumference of the dome40ca. Here, the outer circumference of the dome40camay have a band shape of a certain width (seeFIG.20). A plurality of insertion grooves40Pa,40Pb,40Pc,40Pd, and40Pe may be spaced apart from each other along the circumferential direction of the rim40cb. The insertion groove40P may be referred to as a seating groove.

An inner coupling projection40tmay protrude outward from the outer circumference of the dome40ca, and may be spaced in a rearward direction from the rim40cb. The inner coupling projection40tmay be adjacent to the insertion groove40P. Each of the plurality of inner coupling projections40tmay correspond to each of the plurality of insertion grooves40Pa,40Pb,40Pc,40Pd, and40Pe. The inner coupling projection40tmay be referred to as an inner latch projection.

The cover coupling portion40B may protrude from the inner surface of the dome40catoward the cable reel49(seeFIG.15). A female thread may be formed on the inner side of the cover coupling portion40B. For example, the cover coupling portion40B may include a first cover coupling portion40Ba and a second cover coupling portion40Bb that face each other with respect to the cover hole40h.

A fastening member49f1,49f2(seeFIG.15) may penetrate the cable reel49to protrude in a rearward direction, and may be coupled to the inner side of the cover coupling portion40B. For example, the fastening member49f1,49f2may be a screw or a bolt.

Accordingly, the inner cover40c1may be coupled to the cable reel49and cover the rear of the cable reel49.

Referring toFIGS.18to20, an outer cover40c2of the cover40cmay have a ring shape as a whole. For example, the outer cover40c2may include a plastic material. The outer cover40c2may include an outer body40cc, a first rim40cd, and a second rim40ce.

The outer body40ccmay have a ring shape. The first rim40cdmay protrude in a forward direction from the inner circumference of the outer body40cc, and define the inner diameter D2aof the outer cover40c2. The second rim40cemay protrude in a forward direction from the outer circumference of the outer body40cc, and define the outer diameter D2bof the outer cover40c2. The inner diameter D2aof the outer cover40c2may be slightly smaller than the outer diameter D1(seeFIG.17) of the inner cover40c1(seeFIG.20). The rim40cd,40cemay be referred to as vertical rims.

An inner coupling groove40gmay be formed in the inner circumference of the first rim40cd, and may extend along the circumferential direction of the first rim40cd. The inner coupling groove40gmay be located between the front and rear ends of the first rim40cd. The inner coupling groove40gmay be referred to as an inner latch groove.

At this time, the first rim40cdof the outer cover40c2may be located in a rear of the rim40cbof the inner cover40c1, and the distal end of the first rim40cdmay be located in the insertion groove40P. In addition, the inner coupling groove40gmay be caught on the inner coupling projection40t. A stopper40emay protrude toward the outer body cc from the rear surface of the rim40cb. In the radial direction of the cover40c, the first rim40cdmay be located between the stopper40eand the insertion groove40P.

Accordingly, the outer cover40c2may be detachably coupled to the inner cover40c1. The inner coupling groove40gmay slide on the inner coupling projection40t. That is, the outer cover40c2may be rotatably coupled to the inner cover40c1in the circumferential direction of the outer cover40c2. The stopper40emay restrict the outer cover40c2coupled to the inner cover40c1from moving in the radial direction of the cover40c.

Referring back toFIGS.9and10, a top projection42amay protrude upward from the upper side of the front bracket42. A first top projection42a1may be adjacent to the left side of the front bracket42. A second top projection42a2may be adjacent to the right side of the front bracket42.

A bottom projection42bmay protrude downward from the lower side of the front bracket42. A first bottom projection42b1may be adjacent to the left side of the front bracket42. A second bottom projection42b2may be adjacent to the right side of the front bracket42.

The first top projection42a1, the second top projection42a2, the first bottom projection42b1, and the second bottom projection42b2may be located at corners of the front bracket42.

The first bottom projection42b1may correspond to the first bottom hole41b1. The first bottom projection42b1may be inserted into a space between the rear surface of the second recessed portion411and the front surface of the first hooking portion1831a, and may be caught on the front surface of the first hooking portion1831a.

The second bottom projection42b2may correspond to the second bottom hole41b2. The second bottom projection42b2may be inserted into a space between the rear surface of the second recessed portion411and the front surface of the second hooking portion1832a, and may be caught on the front surface of the second hooking portion1832a.

The first top projection42a1may correspond to the first top hole41a1. The first top projection42a1may be inserted into the first top hole41a1and may be caught on the sidewall of the second recessed portion411defining the boundary of the first top hole41a1.

The second top projection42a2may correspond to the second top hole41a2. The second top projection42a2may be inserted into the second top hole41a2, and may be caught on the sidewall of the second recessed portion411defining the boundary of the second top hole41a2.

Referring toFIGS.21and22, as described above with reference toFIGS.9and10, the front bracket42may be detachably coupled to the second recessed portion411of the fixing plate41.

A cable path CPS may be defined between the inner cover40c1covering the rear of the front bracket42and the hole15hof the back cover15. The cable path CPS may be defined between the outer circumference of the cable reel49and the outer circumference of the first recessed portion411. The cable path CPS may be referred to as a cable placement space.

One end CCa of the cable head CC may be fixed to the distal end of the cable C. The other end CCb of the cable head CC may penetrate the sidewall of the second recessed portion411of the fixing plate41, and may be electrically connected to the terminal provided in one side (e.g. the right side) of the power supply board PSU (seeFIG.6). The cable head CC may be detachably coupled to the first recessed portion410of the fixing plate41through the cable holder CF. For example, a fastening member such as a screw may be fastened to the first recessed portion410through the cable holder CF.

A part of the cable C may be located in a cable path CPS. A part of the cable C may move within the cable path CPS according to the movement of the fixing plate41corresponding to the pivot movement of the head10(seeFIGS.8and9) and the cable head CC fixed thereto. In other words, the cable path CPS may provide a space in which a part of the cable C whose degree of being wound around the cable reel49(seeFIG.15) is changed in response to the pivot movement of the head10(seeFIGS.8and9) is located.

Referring toFIGS.19and22, a slit40R may be formed in the second rim40ceof the outer cover40c2. The slit40R may be formed from the front end of the second rim40cetoward the rear end of the second rim40ce. For example, the slit40R may be formed above the second rim40ce. For example, the slit40R may include a plurality of slits40R spaced apart from each other in the circumferential direction of the second rim40ce.

The rib41R may protrude in a rearward direction from the rear surface of the first recessed portion410of the rear plate41. In the front-rear direction, the rib41R may be aligned with the slit40R, and may be inserted into the slit40R.

An outer coupling groove40F may be formed in the second rim40ce. The outer coupling groove40F may be formed by cutting out a part of the second rim40ce. The outer coupling groove40F may include a groove formed in the thickness direction of the second rim40ce. The outer coupling groove40F may be spaced apart from the slit40R. For example, the outer coupling groove40F may include a plurality of outer coupling grooves40Fa,40Fb,40Fc, and40Fd spaced apart from each other in the circumferential direction of the second rim40ce. For example, in the circumferential direction of the second rim40ce, the plurality of outer coupling grooves40Fa,40Fb,40Fc, and40Fd may be spaced apart from each other at a certain angle. The outer coupling groove40F may be referred to as an outer latch groove.

An outer coupling projection41F may be formed on a sidewall of the first recessed portion410. The outer coupling projection41F may protrude toward the center of the fixing plate41from the sidewall of the first recessed portion410. For example, the outer coupling projection41F may include a plurality of outer coupling projections41Fa,41Fb,41Fc, and41Fd spaced apart from each other in the circumferential direction of the first recessed portion410. The outer coupling projection41F may be referred to as an outer latch projection.

In addition, the outer coupling projection41F may correspond to the outer coupling groove40F. In the radial direction of the fixing plate41, the outer coupling projection41F may be aligned with the outer coupling groove40F, and may be inserted into the outer coupling groove40F.

Accordingly, the outer cover40c2may be detachably coupled to the first recessed portion410when the outer coupling groove40F is caught on the outer coupling projection41F. The rib41R and the slit40R may guide the coupling of the outer cover40c2and the fixing plate41. The outer cover40c2may cover the cable path CPS.

Furthermore, a user may separate the outer cover40c2from the cover40c, attach the cable head CC to the fixing plate40or separate the cable head CC from the fixing plate40, and place a part of the cable C in the cable path CPS. That is, as the outer cover40c2is detachably coupled to the fixing plate41, work convenience may be improved.

In addition, the outer cover40may be coupled to the back cover15of the head10that pivots and the inner cover40c1that does not pivot, at between them.

For example, as described above, the inner circumference of the outer cover40c2may be rotatably coupled to the outer circumference of the inner cover40c1in the pivotal movement direction of the head10, and the outer circumference of the outer cover40c2may be fixed to the back cover15through the fixing plate41. Accordingly, the outer cover40c2may be pivoted along with the head10.

For another example, the inner circumference of the outer cover40c2may be fixed to the outer circumference of the inner cover40c1, and the outer circumference of the outer cover40c2may be rotatably coupled to the back cover15through the fixing plate41in the pivot movement direction. Accordingly, the head10may pivot with respect to the inner cover40c1and the outer cover40c2.

At this time, the fixing structure of the outer cover40c2and the inner cover40c1may use the fixing structure of the outer cover40c2and the fixing plate41described above with reference toFIGS.19and22, and the coupling structure of the outer cover40c2and the fixing plate41may use the coupling structure of the outer cover40c2and the inner cover40c1described above with reference toFIG.20.

For another example, the inner circumference of the outer cover40c2may be rotatably coupled to the outer circumference of the inner cover40c1in the pivot movement direction of the head10, and the outer circumference of the outer cover40c2may be rotatably coupled to the back cover15through the fixing plate41in the pivot movement direction of the head10. Accordingly, the inner and outer circumferences of the outer cover40c2may not be constrained by the inner cover40c1and the back cover15in the pivot movement direction of the head10. At this time, both the coupling structure of the outer cover40c2and the inner cover40c1and the coupling structure of the outer cover40c2and the fixing plate41may use the coupling structure of the outer cover40c2and the inner cover40c1described above with reference toFIG.20.

Accordingly, the inner and outer circumferences of the outer cover40c2may be coupled or fixed to the inner cover40c1and the fixing plate41, and the coupling stability of the outer cover40c2may be improved. In addition, the outer cover40c2may be coupled to the inner cover40c1and the fixing plate41without a separate fastening member such as a screw, and work convenience may be improved.

Referring toFIGS.23and24, the head10and the outer cover40c2may rotate clockwise CW or counterclockwise CCW with respect to the inner cover40c1.

Referring to the upper drawing ofFIG.23, based on the middle drawing ofFIG.23, the outer cover40c2may rotate counterclockwise CCW from 0 degrees to −90 degrees (see TP).

Referring to the bottom drawing ofFIG.23, based on the middle drawing ofFIG.23, the outer cover40c2may rotate counterclockwise from 0 degrees to +90 degrees (see TP).

Referring toFIGS.25and26, the arm50may include an arm body51,52. An upper arm body51and a lower arm body52may be coupled to each other. The arm50may be referred to as a rod50or a link50.

The front portion of the upper arm body51may be spaced upward from the front portion of the lower arm body52. A front groove50g1may be formed in the front portion of the arm body51,52and may have a “U” shape opened in a forward direction. The rear portion of the upper arm body51may be spaced upward from the rear portion of the lower arm body52. A rear groove50g2may be formed in the rear portion of the arm body51,52, and may have a “U” shape opened in a rearward direction.

An upper insertion hole51amay be formed to penetrate the front portion of the upper arm body51in a vertical direction, and may face the front groove50g1. An upper fastening hole51bmay be formed to penetrate the rear portion of the upper arm body51in a vertical direction, and may face the rear groove50g2.

A lower fastening hole52amay be formed to penetrate the front portion of the lower arm body52in a vertical direction, and may be aligned with the upper insertion hole51a. A lower insertion hole52bmay be formed to penetrate the rear portion of the lower arm body52in a vertical direction, and may be aligned with the upper fastening hole51b.

A cable groove50cmay be formed in a lower surface of the lower arm body52, and may extend along the longitudinal direction of the lower arm body52. A cable C (seeFIG.15) may be located in the cable groove50c.

Referring toFIG.27, the upper cover53may cover the surface of the upper arm body51(seeFIG.26). The lower cover54may cover the surface of the lower arm body52(seeFIG.26). The upper cover53and the lower cover54may be formed separately, or formed as one body.

The first rotation unit48may be inserted into the front groove50g1, and rotatably coupled to the arm50. The second rotation unit68may be inserted into the rear groove50g2, and rotatably coupled to the arm50. The second rotation unit68may protrude toward the rear groove50g2from a vertical member61described later.

Referring toFIGS.27and28, the first rotation unit48may include a first body480, a first fastening member48a, a first upper fixing washer48b, a first disc spring48d, a first upper washer48e, a first upper bushing48f, a first lower bushing48g, a first lower washer48h, and a first lower fixing washer48c. The first rotation unit48may be referred to as a first swivel unit48or a first swivel module48.

The first body480may be opened vertically. The first body480may have a donut shape as a whole. For example, the first body480and the first connection portion471may be formed as one body. The first body480may be inserted into the front groove50g1.

The first fastening member48amay extend in a vertical direction. The first fastening member48amay be inserted into the arm50through the upper insertion hole51a(seeFIG.26), and penetrate the hole480hformed in the center of the first body480. The head48ahof the first fastening member48amay be located inside the upper arm body51. The first fastening member48amay be screwed into the lower fastening hole52a(seeFIG.26).

The first upper fixing washer48bmay be located below the head48ahof the first fastening member48a, and penetrated by the first fastening member48a. The first upper fixing washer48bmay be a toothed lock washer, and a tooth48btof the first upper fixing washer48bmay be inserted and fixed to a groove formed inside the upper arm body51.

The first disc spring48dmay be located below the first upper fixing washer48b. The first disc spring48dmay be convex toward the first upper fixing washer48band generate an elastic force in the axial direction of the first fastening member48a.

The first upper washer48emay be located below the first disc spring48d, and penetrated by the first fastening member48a.

The first upper bushing48fmay face the first disc spring48dwith respect to the first upper washer48e. The first fastening member48amay penetrate the first upper bushing48f. The first upper bushing48fmay have a cylindrical shape in which a flange (no reference numeral) is formed at an upper end. The flange of the first upper bushing48fmay contact the first upper groove480aformed along the periphery of the hole480hon the upper surface of the first body480. A part (no reference numeral) of the first upper bushing48fmay be inserted into the hole480hof the first body480, and may be located between the inner circumferential surface of the first body480and the outer circumferential surface of the first fastening member48a.

The first lower bushing48gmay face the first upper bushing48fand may be spaced downward from the first upper bushing48f. The first fastening member48amay penetrate the first lower bushing48g. The first lower bushing48gmay have a cylindrical shape in which a flange (no reference numeral) is formed at a lower end. The flange of the first lower bushing48gmay contact the first lower groove480bformed along the periphery of the hole480hon the lower surface of the first body480. A part (no reference numeral) of the first lower bushing48gmay be inserted into the hole480hof the first body480, and may be located between the inner circumferential surface of the first body480and the outer circumferential surface of the first fastening member48a.

The first lower washer48hmay be located below the first lower bushing48g, and penetrated by the first fastening member48a.

The first lower fixing washer48cmay face the first lower bushing48gwith respect to the first lower washer48h, and may be penetrated by the first fastening member48a. The first lower fixing washer48cmay be a toothed lock washer, and a tooth48ctof the first lower fixing washer48cmay be inserted and fixed to a groove formed in the inner side of the lower arm body52.

Accordingly, the first body480may rotate with respect to the first fastening member48a. That is, the first fastening member48amay provide a first swivel shaft. In addition, due to the elastic force of the first disc spring48ddescribed above, the head10may maintain a certain swivel angle unless an external force of a certain level or higher is applied.

Referring toFIGS.27and29, the second rotation unit68may include a second body680, a second fastening member68a, a second lower fixing washer68b, a second disc spring68d, a second lower washer68e, a second lower bushing68f, a second upper bushing68g, a second upper washer68h, and a second upper fixing washer68c. The second rotation unit68may be referred to as a second swivel unit68or a second swivel module68.

The second body680may be opened vertically. The second body680may have a donut shape as a whole. The second body680may be connected to the vertical member61through a second connection portion611. For example, the second body680, the second connection portion611, and the vertical member61may be formed as one body. The second body680may be inserted into the rear groove50g2.

The second fastening member68amay extend in a vertical direction. The second fastening member68amay be inserted into the arm50through the lower insertion hole52b(seeFIG.26) and penetrate the hole680hformed in the central portion of the second body680. The head68ahof the second fastening member68amay be located inside the lower arm body52. The second fastening member68amay be screwed into the upper fastening hole51b(seeFIG.26).

The second lower fixing washer68bmay be located above the head68ahof the second fastening member68aand penetrated by the second fastening member68a. The second lower fixing washer68bmay be a toothed lock washer, and a tooth68btof the second lower fixing washer68bmay be inserted and fixed to a groove (no reference numeral) formed inside the lower arm body52.

The second disc spring68dmay be located above the second lower fixing washer68b. The second disc spring68dmay be convex toward the second lower fixing washer68band generate an elastic force in the axial direction of the second fastening member68a.

The second lower washer68emay be located above the second disc spring68dand penetrated by the second fastening member68a.

The second lower bushing68fmay face the second disc spring68dwith respect to the second lower washer68e. The second fastening member68amay penetrate the second lower bushing68f. The second lower bushing68fmay have a cylindrical shape in which a flange (no reference numeral) is formed at a lower end thereof. The flange of the second lower bushing68fmay contact the second lower groove680aformed along the periphery of the hole680hon the lower surface of the second body680. A part (no reference numeral) of the second lower bushing68fmay be inserted into the hole680hof the second body680, and may be located between the inner circumferential surface of the second body680and the outer circumferential surface of the second fastening member68a.

The second upper bushing68gmay face the second lower bushing68fand may be spaced upward from the second lower bushing68f. The second fastening member68amay penetrate the second upper bushing68g. The second upper bushing68gmay have a cylindrical shape in which a flange (no reference numeral) is formed at an upper end thereof. The flange of the second upper bushing68gmay contact the second upper groove680bformed along the periphery of the hole680hon the upper surface of the second body680. A part (no reference numeral) of the second upper bushing68gmay be inserted into the hole680hof the second body680, and may be located in between the inner circumferential surface of the second body680and the outer circumferential surface of the second fastening member68a.

The second upper washer68hmay be located above the second upper bushing68gand penetrated by the second fastening member68a.

The second upper fixing washer68cmay face the second upper bushing68gwith respect to the second upper washer68hand may be penetrated by the second fastening member68a. The second upper fixing washer68cmay be a toothed lock washer, and a tooth68ctof the second upper fixing washer68cmay be inserted and fixed to a groove (no reference numeral) formed inside the upper arm body51.

Accordingly, the second body680may rotate with respect to the second fastening member68a. That is, the second fastening member68amay provide a second swivel shaft. In addition, due to the elastic force of the aforementioned second disc spring68d, the head10can maintain a certain swivel angle unless an external force of a certain level or higher is applied.

Referring toFIG.30, the arm50may extend in a direction intersecting the head10and the pole30. The arm50may connect the articulated connector40and the elevating module60. The second rotation unit68of the elevating module60and the vertical member61may be connected through the second connection portion611. The second connection portion611may penetrate the pole30.

The vertical member61may extend in the longitudinal direction of the pole30. The vertical member61may be accommodated inside the pole30.

The pole30may extend in a vertical direction and may surround the vertical member61. A plurality of ribs30a,30b,30c, and30dmay protrude toward the vertical member61from the inner circumferential surface of the pole30, and may be spaced apart from each other in the circumferential direction of the pole30. The first rib30a, the second rib30b, the third rib30c, and the fourth rib30dmay be located at arbitrary vertices of the quadrangular inside the pole30.

In addition, the lower end31of the pole30may be inserted into and coupled to a port21formed on the upper surface of the base20.

Referring toFIGS.30and31, the vertical member61may have a cylindrical shape cut in half as a whole. The rear and lower sides of the vertical member61may be open, and the upper side may be blocked by a partition wall61w. The stem63smay extend in a vertical direction and may be aligned with the vertical member61. The lower end of the stem63smay be inserted into the port21of the base20.

A gas spring62,63may include an upper shaft62and a lower shaft63connected to the upper shaft62. An upper shaft62may extend in the longitudinal direction of the vertical member61. The upper shaft62may have a cylindrical shape in which an upper side is closed. At least a part of the upper shaft62may be accommodated inside the vertical member61. A lower shaft63may extend in the longitudinal direction of the upper shaft62and may have a diameter smaller than a diameter of the upper shaft62. That is, the lower shaft63may be inserted into the upper shaft62. A lower end of the lower shaft63may be fixed on the stem63s.

A clamp64,65may face the vertical member61with respect to the upper shaft62. In other words, the upper shaft62may be located between the vertical member61and the clamp64,65. For example, the clamp64,65may include a plurality of clamps64and65spaced apart from each other in the vertical direction.

The clamp64,65may include a semi-cylinder640,650, a left flange641,651, and a right flange642,652. The semi-cylinder640,650may contact the outer circumference of the upper shaft62. The left flange641,651may extend to the left from one side of the semi-cylinder640,650, and may be coupled to a first portion61s1,65s1of the vertical member61through a fastening member64F,65F. The right flange642,652may extend to the right from the other side of the semi-cylinder640,650, and may be coupled to a second portion (not shown) of the vertical member61through a fastening member (not shown).

Accordingly, the upper shaft62may be detachably coupled to the vertical member61and may move downward or upward along the lower shaft63.

Referring toFIGS.31and32, a roller66a,66b,67a,67bmay be adjacent to the clamp64,65. For example, a first roller66a,66bmay be adjacent to a first clamp64, and a second roller67a,67bmay be adjacent to a second clamp65.

The first roller66a,66bmay include a first left roller66aand a first right roller66b. A body66a1aof a first left pin66a1may penetrate the first left roller66aand a left portion61L of the vertical member61. A flange66a1bof the first left pin66a1may be located between the first left roller66aand the left portion61L. The first left roller66amay be coupled to the left portion61L through the first left pin66a1. A body66b1aof a first right pin66b1may penetrate the first right roller66band a right portion61R of the vertical member61. A flange66b1bof the first right pin66b1may be located between the first right roller66band the right portion61R. The first right roller66bmay be coupled to the right portion61R through the first right pin66b1.

For example, the second roller67a,67bmay have the same shape as the first roller66a,66b. That is, the above description of the first roller66a,66bmay be identically applied to the second roller67a,67b. Accordingly, the second left roller67amay be coupled to the left portion61L, and the second right roller67bmay be coupled to the right portion61R.

In addition, the left roller66a,67amay be located between the third rib30cand the fourth rib30d, and may contact the third rib30cand the fourth rib30d. The right roller66b,67bmay be located between the first rib30aand the second rib30b, and may contact the first rib30aand the second rib30b.

Accordingly, the vertical member61may be smoothly lifted or lowered inside the pole30by the roller66a,66b,67a,67b.

Referring toFIGS.31and33, the first left flange641of the first clamp64may be located between the third rib30cand the fourth rib30d. The first right flange642of the first clamp64may be located between the first rib30aand the second rib30b. The first clamp64may include a first center projection64a, a first left projection64b, and a first right projection64c.

The first center projection64amay protrude toward the inside of the pole30from the first semi-cylinder650and may contact the inside of the pole30. The first left projection64bmay protrude from the first left flange641toward the third rib30cand may contact the third rib30c. The first right projection64cmay protrude from the first right flange642toward the second rib30band may contact the second rib30b. Accordingly, the first center projection64a, the first left projection64b, and the first right projection64cmay cause friction between the vertical member61and the pole30.

For example, the second clamp65may be spaced downward from the first clamp64and may have the same shape as the first clamp64. That is, the above description of the first clamp64may be identically applied to the second clamp65. Accordingly, a second center projection65a, a second left projection65b, and a second right projection65cof the second clamp65may cause friction between the vertical member61and the pole30.

Accordingly, the location (height) of the vertical member61with respective to the base20may be maintained constant by the frictional force between the projection64a,64b,64c,65a,65b,65cand the pole30, unless an external force of a certain level or higher is applied.

Referring toFIGS.32and33, a cable groove61gmay be formed in a front portion61F of the vertical member61, and may be formed long in the vertical direction. A cable C may be inserted into the cable groove61g. The cable C may be disposed along the cable groove50c(seeFIG.15) of the arm50and electrically connected to the head10. The cable C may be disposed along the stem63s(seeFIG.31) and may be electrically connected to a battery Bt (seeFIG.1) or the like disposed inside the base20. The battery Bt may provide power to the head10through the cable C. The battery Bt may be a rechargeable battery. The cable C may be a power cable and/or a signal cable. The cable C may be made of several strands.

Referring toFIG.34, the head10may be spaced upward from the base20. A user may pivot the head10. A pivot axis may pass the center of the head10and be orthogonal to the head10. Referring to the left drawing ofFIG.34, the head may be placed in landscape mode. Referring to the right drawing ofFIG.34, the head10may be placed in portrait mode.

Referring toFIG.35, a user may tilt the head10. The tilt axis may be a horizontal axis that is located in a rear of the center of the head10and parallel to the head10. A user may swivel the head10. A first swivel axis may be a vertical axis adjacent to one end of the arm50. A second swivel axis may be a vertical axis adjacent to the other end of the arm50. A user may lift or lower the head10from the pole30.

The aforementioned pivoting, tilting, swiveling, and elevating operations of the head10may be implemented independently of each other. For example, the head10may be pivoted within a range of +90 degrees to −90 degrees. For example, the head10may be tilted within a range of +25 degrees to −25 degrees. For example, the head10may be swiveled within a range of +65 to −65 degrees. For example, the head10may be located 1,065 to 1,265 mm from the base20or the ground based on a landscape mode.

Referring toFIGS.1to35, a display device according to an aspect of the present disclosure may include: a display panel; a frame positioned behind the display panel; a back cover covering a rear of the frame and having a hole; and an articulated connector coupled to the frame through the hole of the back cover, wherein the articulated connector may include: an inner cover covering a portion of the hole of the back cover; and an outer cover positioned between a perimeter of the inner cover and a boundary of the hole of the back cover and coupled to the inner cover.

The outer cover may be detachably coupled to the inner cover. The inner cover may include an inner coupling projection which is formed at the perimeter of the inner cover and on which the cover is caught.

The articulated connector may further include a cable reel around which a cable is wound, the cable reel spaced from the boundary of the hole to an inside of the hole, wherein the inner cover may cover a rear of the cable reel and the cable reel may be fixed to the inner cover.

The display device may further include a head including the display panel, the frame, and the back cover, wherein the articulated connector may include: a pivot module rotating about a pivot axis orthogonal to the head, wherein the head may be rotatable about the pivot axis of the pivot module independently of the inner cover.

With respect to the pivot axis, an inner circumference of the outer cover and an outer circumference of the inner cover may be independent of each other, with respect to the pivot axis, an outer circumference of the outer cover and the head may be independent of each other, or with respect to the pivot axis, the inner circumference of the outer cover and the outer circumference of the inner cover may be independent of each other, and the outer circumference of the outer cover and the head may be independent of each other.

The cable may be wound on the cable reel about the pivot axis, wherein a cable path may be defined between an outer circumference of the cable reel and the boundary of the hole of the back cover, and wherein the outer cover may cover the cable path.

The inner cover may further include: a dome having a band-shaped outer circumference of a certain width; and a rim which protruding from the outer circumference of the dome in a radial direction of the dome and extending along the outer circumference of the dome, wherein the inner coupling projection may be formed at the outer circumference of the dome and may be spaced in a rearward direction from the rim, wherein an inner circumference of the outer cover may be caught on the inner coupling projection.

The outer cover may further include: an outer body having a ring shape and positioned behind the rim; a first rim protruding from an inner circumference of the outer body toward the rim and extending along the inner circumference of the outer body; and an inner coupling groove formed at one surface of the first rim facing an outer circumference of the rim and extending along the first rim, wherein the inner coupling groove may be positioned between a front end and a rear end of the first rim, ma be caught on the inner coupling projection, and may be slidable on the inner coupling projection.

The inner coupling projection may include a plurality of inner coupling projections spaced apart from each other along the outer circumference of the dome.

The inner cover may further include: an insertion groove formed at an inner circumference of the rim, the insertion groove which is formed as a part of the insertion groove penetrates the outer circumference of the dome; and a stopper protruding toward the outer body from a rear surface of the rim, wherein a distal end of the first rim may be positioned between the stopper and the insertion groove of the dome.

The display device may further include a fixing plate positioned in the hole of the back cover and coupled to the frame and the articulated connector, wherein the fixing plate may further include an outer coupling projection positioned between an outer circumference of the inner cover and the boundary of the hole of the back cover and formed at the fixing plate, wherein the outer cover may further include a second rim protruding from an outer circumference of the outer body toward the fixing plate; and an outer coupling groove which is formed at the second rim and to which the outer coupling projection is fixed.

The outer coupling groove may further include a plurality of outer coupling grooves spaced apart from each other along the outer circumference of the outer body, and wherein the outer coupling projection may further include a plurality of outer coupling projections corresponding to the plurality of outer coupling grooves.

The fixing plate may further include a rib positioned between the outer circumference of the inner cover and the boundary of the hole of the back cover, and formed at the fixing plate, wherein the outer cover further includes a slit which is formed at the second rim and into which the rib is inserted.

The display device may further include a board positioned between the frame and the back cover, and coupled to the frame; and a cable head connected to a distal end of the cable, wherein the cable head may penetrate the fixing plate and is electrically connected to the board.

The articulated connector may include: a pivot module rotating about a pivot axis orthogonal to the display panel; a tilt module rotating about a tilt axis parallel to the display panel and extending in a horizontal direction; and a first rotation unit rotating about a first swivel axis parallel to the display panel and extending in a vertical direction.

The display device may further include: 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 a longitudinal direction of the pole; and an arm extending in a direction intersecting the display panel and the pole, having one side connected to the articulated connector, and having the other side connected to the elevating module, wherein the elevating module may include a second rotation unit rotating about a second swivel axis parallel to the pole and extending in a vertical direction, wherein the cable may extend along the arm and the pole and may be electrically connected to an electronic component disposed inside the base.

Referring toFIGS.1to35, a display panel according to another aspect of the present disclosure may include a base; a head spaced apart from the base and including a display panel; a pole extending toward the head from the base; and an arm connecting the cable reel and the pole, the arm movably coupled to the pole in a longitudinal direction of the pole, wherein one side of the arm may be rotatably coupled to the head, and wherein the other side of the arm may be rotatably coupled to the pole.

A rotational axis of the one side of the arm may be a first swivel axis parallel to the display panel, and a rotational axis of the other side of the arm may be a second swivel axis parallel to the pole.

The display device may further include a cable reel which is coupled to the head and on which a cable is wound. The cable may extend along the arm and the pole. The cable may be electrically connected to an electronic component disposed inside the base.

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 of display panel may be provided.

According to at least one of the embodiments of the present disclosure, a structure capable of freely adjusting the angle or location 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 motions of a display panel, such as a pivot motion, a tilt motion, a swivel motion, and an elevating motion.

According to at least one of the embodiments of the present disclosure, a structure capable of winding a cable on a cable reel of an articulated connector that implements various motions may be provided.

According to at least one of the embodiments of the present disclosure, it is possible to provide a detachable outer cover covering a cable path around a cable reel, thereby improving work convenience such as a cable dislocation.

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

For example, a configuration “A” described in one embodiment of the invention and the drawings and a configuration “B” described in another embodiment of the invention and the drawings may be combined with each other. Namely, although the combination between the configurations is not directly described, the combination is possible except in the case where it is described that the combination is impossible.

Although embodiments have been described with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope of the principles of this disclosure. More particularly, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, alternative uses will also be apparent to those skilled in the art.