WO2024106690A1 - Dispositif d'affichage - Google Patents

Dispositif d'affichage Download PDF

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Publication number
WO2024106690A1
WO2024106690A1 PCT/KR2023/011470 KR2023011470W WO2024106690A1 WO 2024106690 A1 WO2024106690 A1 WO 2024106690A1 KR 2023011470 W KR2023011470 W KR 2023011470W WO 2024106690 A1 WO2024106690 A1 WO 2024106690A1
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WO
WIPO (PCT)
Prior art keywords
pin
rod
hole
mount
head
Prior art date
Application number
PCT/KR2023/011470
Other languages
English (en)
Korean (ko)
Inventor
황민규
김승범
Original Assignee
엘지전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Publication of WO2024106690A1 publication Critical patent/WO2024106690A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/03—Covers

Definitions

  • This disclosure relates to a display device.
  • LCD Liquid Crystal Display Device
  • PDP Plasma Display Panel
  • ELD Electro luminescent display
  • VFD Vauum Fluorescent
  • OLED Organic Light Emitting Diode
  • OLED Organic Light Emitting Diode
  • the LCD panel has a TFT substrate and a color substrate that face each other with a liquid crystal layer in between, and can display images using light provided from a backlight unit.
  • OLED panels can display images by depositing an organic material layer capable of emitting light on its own on a substrate on which transparent electrodes are formed.
  • the present disclosure aims to solve the above-described problems and other problems.
  • Another object may be to provide a display device with a stand supporting the head.
  • Another purpose may be to provide a display device including a stand that supports the head and is detachable from the head.
  • Another object may be to provide a display device having a stand including a power supply structure to the head.
  • Another purpose may be to provide a display device having a power supply structure that can prevent sparks from occurring when the head and stand are attached and detached.
  • a display device includes: a head having a display panel; a stand that supports the head and is detachably coupled to the head; and a connector located between the head and the stand, electrically connecting the head and the stand, wherein the connector includes: a terminal assembly coupled to the head and including a terminal; and a pin assembly coupled to the stand and including a pin aligned with the terminal, wherein the terminal includes: a first rod formed of a first length; and a second rod having a second length smaller than the first length and a diameter smaller than the diameter of the first rod, wherein the pin includes: a first probe pin contacting the first rod; and a second probe pin that is in contact with the second rod and has one end located on the same surface as one end of the first probe pin.
  • a display device including a stand supporting a head can be provided.
  • a display device including a stand that supports the head and is detachable from the head can be provided.
  • a display device including a stand including a power supply structure to a head can be provided.
  • a display device having a power supply structure that can prevent sparks from occurring when a head and a stand are attached and detached can be provided.
  • 1 to 32 are diagrams showing examples of display devices according to embodiments of the present disclosure.
  • the display device 1 may include a head 10 .
  • the head 10 can display images.
  • 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 is located on the first long side (LS1), the second long side (LS2) opposite the first long side (LS1), the first long side (LS1), and the second long side (LS2). It may include an adjacent first short side (SS1) and a second short side (SS2) opposite the first short side (SS1). Meanwhile, for convenience of explanation, the lengths of the first and second long sides (LS1, LS2) are shown and described as being longer than the lengths of the first and second short sides (SS1, SS2). It may be possible that the length of (LS1, LS2) is approximately the same as the length of the first and second short sides (SS1, SS2).
  • the direction in which the head 10 displays an image may be referred to as the front (F, z), and the opposite direction may be referred to as the rear (R).
  • the first short side (SS1) can be called the left side (Le, x).
  • the second short side (SS2) can be called the right side (Ri).
  • the first long side (LS1) can be called the upper side (U, y).
  • the second long side (LS2) can be called the bottom (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. Additionally, the 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 called a corner.
  • the point where the first short side (SS1) and the first long side (LS1) meet may be the first corner (C1).
  • the point where the first short side (SS1) and the second long side (LS2) meet may be the second corner (C2).
  • the point where the second short side (SS2) and the second long side (LS2) meet may be the third corner (C3).
  • the point where the second short side (SS2) and the first long side (LS1) meet may be the fourth corner (C4).
  • the base 20 may have an overall flat cylinder shape.
  • Base 20 may be placed on the ground.
  • the wheel 20W may be mounted on the lower surface of the base 20.
  • the plurality of wheels 20W may be spaced apart from each other in the radial direction of the base 20. The user can freely move the display device 1 placed on the ground through the wheel 20W.
  • the pole 30 may extend in a vertical direction.
  • the lower end of the pole 30 may be coupled to the base 20.
  • Pole 30 may be adjacent to the periphery of base 20.
  • the support arm 40 may be coupled to the pole 30.
  • the support arm 50 may extend from the pole 40 in an intersecting direction.
  • the support arm 40 can connect the head 10 and the pole 30.
  • the support arm 40 can connect the head 10 and the pole 30.
  • One side of the support arm 40 may be coupled to the top of the pole 30.
  • the other side of the support arm 40 may be coupled to the rear side of the head 10.
  • the other side of the support arm 40 may be coupled to the coupler 50.
  • the coupler 50 may be coupled to the rear of the head 10. Coupler 50 may be located between head 10 and support arm 50.
  • the base 20, pole 30, support arm 40, and coupler 50 may be collectively referred to as stands 20, 30, 40, and 50. Accordingly, the head 10 may be supported by the stands 20, 30, 40, and 50 and may be spaced upward from the ground.
  • the power cable (CW) can be connected to an external power source.
  • the plug (CWa) of the power cable (CW) may be connected to an outlet (concentric plug), and the jack (CWb) of the power cable (CW) may be connected to the base 20.
  • a battery (not shown) may be installed in the base 20, pole 30, and/or head 10, and may be charged or discharged by power supplied through a power cable (CW).
  • 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 of the head 10.
  • display panel 11 may be an OLED panel, an LCD panel, or an LED panel.
  • the display panel 11 divides an image into a plurality of pixels and outputs an image with color, brightness, and saturation for each pixel.
  • the display panel 11 may be divided into an active area where images are displayed and a de-active area where images are not displayed.
  • the display panel 11 may generate light corresponding to the colors of red, green, or blue depending on the control signal.
  • the middle cabinet 12 may extend along the perimeter of the display panel 11.
  • the horizontal portion 12H may be located in front of the display panel 11.
  • the vertical portion 12V may intersect the horizontal portion 12H and cover the side of the display panel 11.
  • the middle cabinet 12 may include metal or plastic.
  • 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 of the frame 13.
  • the frame 13 may include a metal material.
  • the frame 13 may be referred to as a mount plate or module cover.
  • the end frame 14 may form a perimeter 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 the side of the vertical portion 12V of the middle cabinet 12.
  • the end frame 14 may include metal or plastic.
  • the back cover 15 may form the rear of the head 10.
  • the back cover 15 may cover the rear of the frame 13 and may be coupled to the frame 13.
  • the backlight unit 110 may be located 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 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 the vertical direction.
  • At least one light source 111b may be mounted on the substrate 111a.
  • 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 located in front of the substrate 111a.
  • the reflective sheet 111c may have a hole 111h where the light source 111b is located.
  • the diffusion plate 111d may be located in front of the reflective sheet 111c.
  • the spacer 111s may support the rear side of the diffuser plate 111d between the reflective sheet 111c and the diffuser plate 111d.
  • the optical sheet 112 may be located in front of the diffusion plate 111d.
  • the back of the optical sheet 112 may be in close contact with the diffusion plate 111d, and the front of the optical sheet 112 may be in close contact with or adjacent to the back of the display panel 11.
  • the optical sheet 112 may include at least one of a diffusion sheet or a prism sheet.
  • the coupling portion 112d may be formed on at least one edge of the optical sheet 112.
  • the display panel 11 of the present disclosure may be an OLED panel that does not require the above-described backlight unit 110, or may be another type of panel.
  • the backlight unit 110' may be located between the display panel 11 and the frame 13 and may be coupled to the frame 13.
  • 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 111e may be located 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 periphery of the light guide plate 111e and may be coupled to the frame 13.
  • At least one light source 111b' may be mounted on the substrate 111a'.
  • 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.
  • the display panel 11 of the present disclosure may be an OLED panel or another type of panel that does not require the above-described backlight unit 110'.
  • a plurality of electronic components may be located between the display panel 11 and the back cover 15.
  • a plurality of electronic components may be mounted on the front of the back cover 15.
  • a plurality of electronic components may be mounted on the front or back of the frame 13 (see FIG. 3) located in front of the back cover 15. Examples of multiple electronic components (PW, MB, TC) are as follows.
  • a power supply board (PW) can provide power to each component of the display device.
  • the power supply board (PW) can provide power to the display panel 11, the main board (MB), the timing controller board (TC), and the battery.
  • the main board (MB) can control the display device.
  • a timing controller board (TC) may be electrically connected to the display panel 11 through a cable (not shown) and may provide an image signal to the display panel 11.
  • the battery may be mounted on the head 10.
  • the battery may be built into the head 10.
  • the battery may be mounted on the front of the back cover 15 or the rear of the frame 13.
  • the battery can be electrically connected to the power supply board (PW) and receive power from the power supply board (PW).
  • the battery may be provided as a rechargeable battery.
  • the power supply board (PW) can receive power and provide power to the battery, and the battery can be charged.
  • the power supply board (PW) can provide power to each component of the head 10 using power from the battery. That is, the head 10 can be separated from the stands 20, 30, 40, and 50 and used alone.
  • the battery may be a rechargeable battery.
  • a mount groove 15G may be formed in the back cover 15.
  • the mount groove 15G may be formed on the rear of the back cover 15.
  • the mount groove 15G may be formed in the center of the back cover 15.
  • the coupler 50 of the stands 20, 30, 40, and 50 may be coupled to the mount groove 15G.
  • a mount 54 may be inserted into the mount groove 15G.
  • the mount home 15G may include a first mount part 151.
  • the first mount part 151 may be a circular plane and may have a size corresponding to that of the mount 54.
  • the rear of the first mount part 151 may be located on the same plane as the rear of the back cover 15.
  • the first mount part 151 may be combined with the frame 13 (see FIG. 3).
  • a first coupling portion 151C coupled to the frame 13 may be formed on the first mount part 151, and a fastening member such as a screw penetrates the first coupling portion 151C to connect to the frame ( 13, see FIG. 3).
  • the mount home 15G may include a second mount part 152.
  • the second mount part 152 may be formed on the rear side of the first mount part 151.
  • the second mount part 152 may be formed at the center of the first mount part 151.
  • the second mount part 152 may be formed to be stepped from the first mount part 151.
  • the second mount part 152 may be formed by pressing the first mount part 151 from the rear to the front (see FIG. 9).
  • the second mount part 152 may be a circular groove having a smaller diameter than the diameter of the first mount part 151.
  • the second part 5422 of the mount 54 may be inserted into the second mount part 151.
  • Second coupling portions 152C1 and 152C2 may be formed in the second mount part 152.
  • the second coupling portions 152C1 and 152C2 may be holes penetrating the second mount part 152 in the front-back direction. Through the second coupling portions 152C1 and 152C2, the second mount part 152 may be coupled to the first substrate 63 (see FIG. 8), which will be described later. Through the second coupling portions 152C1 and 152C2, the second mount part 152 may be coupled to the frame 13 (see FIG. 3). That is, a fastening member such as a screw may pass through the second coupling portions 152C1 and 152C2 and be coupled to the first substrate 63 (see FIG. 8) and the frame 13 (see FIG. 3).
  • the second coupling portions 152C1 and 152C2 include a left second coupling portion 152C1 located on the left side of the first terminal hole 155a, and a right second coupling portion 152C1 located on the right side of the second terminal hole 155b. It may include 2 coupling portions (152C2).
  • the mount home 15G may include a third mount part 153.
  • the third mount part 153 may form a boundary between the first mount mart 151 and the back cover 15.
  • the third mount part 153 may extend along the perimeter of the first mount mart 151.
  • the third mount part 153 may protrude rearward from the rear of the back cover 15.
  • the third mount part 153 may be formed by pressing the back cover 15 from the front to the rear.
  • the third mount part 153 may support the circumference of the mount 54 coupled to the mount groove 15G.
  • the mount part 153 may be combined with the mount 54.
  • a side groove 153G coupled to the mount 54 may be formed on the inner surface of the third mount part 153.
  • the side grooves 153G may be provided in plural numbers and may be spaced apart from each other in the radial direction of the third mount part 153.
  • the side groove 153G may include a first side groove 153G1, a second side groove 153G2, and a third side groove 153G3.
  • the mount groove 15G may include coupling grooves 154a and 154b.
  • Coupling grooves 154a and 154b may be formed in the second mount part 153.
  • the coupling grooves 154a and 154b may be formed in an elongated elliptical shape.
  • the coupling grooves 154a and 154b may be formed by recessing from the rear to the front of the second mount part 153.
  • a plurality of coupling grooves 154a and 154b may be provided.
  • the coupling grooves 154a and 154b may include a first coupling groove 154a and a second coupling groove 154b.
  • the first coupling groove 154a and the second coupling groove 154b may be spaced apart from each other.
  • the first coupling groove 154a may be located on the left from the center of the mount groove 15G
  • the second coupling groove 154b may be located on the right from the center of the mount groove 15G.
  • a first pin 71, described later, may be located in the first coupling groove 154a
  • a second pin 72, described later, may be located in the second coupling groove 154b.
  • the extension grooves 154c and 154d may extend to one side from the coupling grooves 154a and 154b.
  • the extension grooves 154c and 154d include a first extension groove 154c extending to the left from the first coupling groove 154a and a second extension groove 154c extending to the right from the second coupling groove 154b. can do.
  • the left second coupling portion 152C1 may be formed in the first extension groove 154c
  • the right second coupling portion 152C2 may be formed in the second extension groove 154d.
  • the mount groove 15G may include terminal holes 155a and 155b.
  • Terminal holes 155a and 155b may be formed in the second mount part 152.
  • the terminal holes 155a and 155b may be formed by penetrating the second mount part 152 in the front-back direction.
  • the terminal holes 155a and 155b may be located in the center of the coupling grooves 154a and 154b.
  • a plurality of terminal holes 155a and 155b may be provided.
  • the terminal holes 155a and 155b may include a first terminal hole 155a and a second terminal hole 155b.
  • the first terminal hole 155a may be formed in the first coupling groove 154a
  • the second terminal hole 155b may be formed in the second coupling groove 154b.
  • the first terminal 61 may be located in the first terminal hole 155a.
  • the first terminal 61 may pass through the first terminal hole 155a, and a portion may be located within the first coupling groove 154a.
  • the second terminal 62 may be located in the second terminal hole 155b.
  • the second terminal 62 may pass through the second terminal hole 155b, and a portion may be located within the second coupling groove 154b.
  • the first magnet M1 may be located between the back cover 15 and the frame 13.
  • the first magnet (M1) may be mounted on the back cover (15).
  • the first magnet (M1) may be mounted on the front of the back cover (15).
  • a first magnet groove into which the first magnet M1 is inserted may be formed on the front of the back cover 15.
  • the groove into which the first magnet (M1) is inserted may be formed by recessing from the front of the second mount part 152 to the rear.
  • the groove into which the first magnet (M1) is inserted may be located between the first terminal hole (155a) and the second terminal hole (155b). Accordingly, the first magnet M1 may also be located between the first terminal hole 155a and the second terminal hole 155b.
  • the first magnet (M1) may exert an attractive force with the second magnet (M2, see FIG. 17), which will be described later, and through this, the coupling force between the head 10 and the mount 54 can be increased.
  • the connectors 60 and 70 may include a terminal assembly 60 .
  • Terminal assembly 60 may be coupled to frame 13.
  • the terminal assembly 60 may be coupled to the rear of the frame 13.
  • the terminal assembly 60 may be located between the frame 13 and the back cover 15, and a portion may be exposed to the rear of the back cover 15 (see FIG. 6).
  • the terminal assembly 60 may be coupled to the back cover 15 (see FIG. 8).
  • the terminal assembly 60 may include a first substrate 63.
  • the first substrate 63 may be located on the rear side of the frame 13.
  • the first substrate 63 may face the front of the back cover 15.
  • the first substrate 63 may face the mount groove 15G of the back cover 15.
  • the first substrate 63 may be formed in a square plate shape with long sides in the left and right directions.
  • the first substrate 63 may include a first hole 631 and a second hole 632.
  • the first and second holes 631 and 632 may be formed by penetrating the first substrate 63 in the front-back direction.
  • the first hole 631 may be located on the left side of the first terminal 61, and the second hole 632 may be located on the right side of the second terminal 62.
  • the first hole 631 may be aligned with the left second coupling portion 152C1, and the second hole 632 may be aligned with the right second coupling portion 152C2.
  • a fastening member such as a screw may sequentially pass through the left second coupling portion 152C1 and the first hole 631 and be fastened to the frame 13.
  • a fastening member such as a screw may sequentially pass through the right coupling portion 152C2 and the second hole 162 and be fastened to the frame 13. Meanwhile, a pemnut (Pn, see FIG. 11) may be located on the front side of the first substrate 63, and a portion may be inserted into each of the first and second holes 631 and 632.
  • the fastening member that sequentially passes through the left second coupling portion 152C1 and the first hole 631 may be fastened to the femnut (Pn) inserted into the first hole 631, and the right coupling portion 152C2 ) and the fastening member that sequentially passes through the second hole 632 may be fastened to the femnut (Pn) inserted into the second hole 632.
  • the first substrate 63 may include a third hole 633 and a fourth hole 634.
  • the third and fourth holes 633 and 634 may be formed by penetrating the first substrate 63 in the front-back direction.
  • the third hole 633 may be located to the left of the first hole 631, and the fourth hole 634 may be located to the right of the second hole 632.
  • the third and fourth holes 633 and 634 may face the first mount part 151.
  • a fastening member such as a screw may sequentially pass through the first mount part 151 and the third hole 633 and be fastened to the frame 13.
  • a fastening member such as a screw may sequentially pass through the first mount part 151 and the fourth hole 634 and be fastened to the frame 13.
  • holes aligned with the third and fourth holes 633 and 634 may be formed in the first mount part 151, respectively.
  • the femnut (Pn, see FIG. 11) may be located on the front side of the first substrate 63, and a portion may be inserted into each of the third and fourth holes 633 and 634.
  • the fastening member that sequentially penetrates the first mount part 515 and the third hole 633 may be fastened to the femnut (Pn) inserted into the third hole 633, and the first mount part 515 ) and the fastening member that sequentially passes through the fourth hole 634 may be fastened to the femnut (Pn) inserted into the fourth hole 634.
  • the first substrate 63 may include a fifth hole 635.
  • the fifth hole 635 may be formed by penetrating the first substrate 63 in the front-to-back direction.
  • the fifth hole 635 may be located between the first hole 631 and the second hole 632.
  • the fifth hole 635 may be located between the first terminal 61 and the second terminal 62.
  • the fifth hole 635 may face the first magnet (M1).
  • a fastening member such as a screw may penetrate the fifth hole 635 and contact the first magnet (M1). Through this, the first magnet (M1) can be prevented from being separated from the first magnet groove (see FIG. 9), and the position of the first magnet (M1) can be fixed.
  • the first substrate 63 may be electrically connected to the power supply board (PW) and may supply power to the power supply board (PW).
  • the terminal assembly 60 may include a first terminal 61 .
  • the first terminal 61 may be mounted on the first substrate 63.
  • the first terminal 61 may be located between the first hole 631 and the fifth hole 635.
  • the terminal assembly 60 may include a second terminal 62.
  • the second terminal 62 may be mounted on the first substrate 63.
  • the second terminal 62 may be located between the second hole 632 and the fifth hole 635.
  • the first terminal 61 may include a first rod 612.
  • the first load 612 may be a metal terminal.
  • the first rod 612 may be formed in a cylindrical shape.
  • the first rod 612 may extend in the front-to-back direction.
  • the first rod 612 may include a first head 612H and a first tail 612T extending from the first head 612H.
  • the diameter of the first tail 612T may be smaller than the diameter of the first head 612H.
  • the first tail 612T may be a portion mounted on the first substrate 63.
  • the first head 612H may protrude rearward from the back of the first substrate 63.
  • the first terminal 61 may include a second rod 613.
  • the second rod 613 may be a metal terminal.
  • the second rod 613 may be formed in a cylindrical shape.
  • the second rod 613 may extend in the front-to-back direction.
  • the second rod 613 may be spaced apart from the first rod 612 vertically, and may overlap the first rod 612 vertically.
  • the second rod 613 may include a second head 613H and a second tail 613T extending from the second head 613H.
  • the diameter of the second tail 613T may be smaller than the diameter of the second head 613H.
  • the second head 613H may be formed in the same size and shape as the first head 612H, and the second tail 613T may be formed in the same size and shape as the first tail 612T.
  • the second tail 613T may be a portion mounted on the first substrate 63.
  • the second head 613H may protrude rearward from the back of the first substrate 63.
  • the first terminal 61 may include a third rod 614.
  • the third rod 614 may be a metal terminal.
  • the third rod 614 may be formed in a cylindrical shape.
  • the third rod 614 may extend in the front-to-back direction.
  • the third rod 614 may be located between the first rod 612 and the second rod 613. At least a portion of the third rod 614 may overlap the first and second rods 612 and 613 vertically.
  • the center of the third rod 614 may be located eccentrically to the left of the virtual straight line AL1 connecting the center of the first rod 612 and the center of the third rod 613 (see FIG. 10 ).
  • the third rod 614 may include a third head 614H and a third tail 614T extending from the third head 614H.
  • the third tail 614T may be a portion mounted on the first substrate 63.
  • the third head 614H may protrude rearward from the back of the first substrate 63.
  • the diameter of the third tail 614T may be smaller than the diameter of the third head 614H.
  • the diameter of the third head 614H may be smaller than the diameters of the first and second heads 612H and 613H.
  • the diameter of the third tail 614T may be smaller than the diameters of the first and second tails 612T and 613T.
  • the first terminal 61 may include a first housing 611.
  • the first housing 611 can accommodate a plurality of rods 612, 613, and 614.
  • the first housing 611 may be formed of an insulating material.
  • the first housing 611 may include a first surface 611S1 and a second surface 611S2 located on the opposite side of the first surface 611S1 and in contact with the rear surface of the first substrate 63.
  • the first housing 611 may be positioned to protrude rearward with respect to the rear surface of the first substrate 63.
  • the first surface 611S1 of the first housing 611 may be exposed to the rear of the back cover 15 through the first terminal hole 155a of the back cover 15 (see FIGS. 6 and 7).
  • the first housing 611 may include a first load hole 6111.
  • the first load hole 6111 may be formed by penetrating the first surface 611S1 and the second surface 611S2 of the first housing 611 in the forward and backward directions.
  • the first rod 612 may be inserted into the first rod hole 611.
  • the first head 612H of the first rod 612 may be inserted into the first rod hole 611.
  • one side of the first head 612H may be located on the same plane as the first side 611S1 of the first housing 611, and the other side of the first head 612H may be located on the same plane as the first side 611S1 of the first housing 611. It may be located on the same plane as the second surface 611S2.
  • the first tail 612T may extend forward from the other surface of the first head 612H.
  • the first tail 612T may be positioned to protrude rearward with respect to the second surface 611S2 of the first housing 611.
  • the first housing 611 may include a second rod hole 6112.
  • the second load hole 6112 may be formed by penetrating the first surface 611S1 and the second surface 611S2 of the first housing 611 in the forward and backward directions.
  • the second rod 613 may be inserted into the second rod hole 6112.
  • the second head 613H of the second rod 613 may be inserted into the second rod hole 6112.
  • one side of the second head 613H may be located on the same plane as the first side 611S1 of the first housing 611, and the other side of the second head 613H may be located on the same plane as the first side 611S1 of the first housing 611. It may be located on the same plane as the second surface 611S2.
  • the second tail 613T may extend forward from the other surface of the second head 613H.
  • the second tail 613T may be positioned to protrude rearward with respect to the second surface 611S2 of the first housing 611.
  • the second load hole 6112 may be located below the first load hole 6111 and may overlap the first load hole 6111 vertically.
  • the center of the second load hole 6112 may be located on a straight line with the center of the first load hole 6111.
  • the first housing 611 may include a first groove 611G.
  • the first groove 611G may be formed on the first surface 611S1 of the first housing 611.
  • the first groove 611G may be formed by being recessed forward from the first surface 611S1 of the first housing 611.
  • the first groove 611G may be located between the first load hole 6111 and the second load hole 6112.
  • the third surface 611S3 of the first housing 611 may be located in the first groove 611G.
  • the third surface 611S3 may be positioned to be stepped from the first surface 611S1.
  • the third surface 611S3 may be located ahead of the first surface 611S1.
  • the first housing 611 may include a third rod hole 6113.
  • the third load hole 6113 may be located between the first load hole 6111 and the second load hole 6112.
  • the third load hole 6113 may be formed in the first groove 611G.
  • the third rod hole 6113 may be formed by penetrating the third surface 611S3 and the second surface 611S2 in the forward and backward directions.
  • a third rod 614 may be inserted into the third rod hole 6113.
  • the third head 614H of the third rod 614 may be inserted into the third rod hole 6113.
  • one side of the third head 614H may be located on the same plane as the third side 611S3 of the first housing 611, and the other side of the third head 614H3 may be located on the same plane as the third side 611S3 of the first housing 611. It may be located on the same plane as the second surface 611S2.
  • the third tail 614T may extend forward from the other surface of the third head 614H.
  • the third tail 614T may be positioned to protrude rearward with respect to the second surface 611S2 of the first housing 611.
  • a portion of the third load hole 6113 may overlap the first and second load holes 6111 and 6112 vertically.
  • the center of the third rod hole 6113 may be located eccentrically to the left with respect to the straight line connecting the center of the first rod hole 6111 and the center of the second rod hole 6112.
  • the second terminal 62 may include a fourth rod 622.
  • the fourth rod 622 may be a metal terminal.
  • the fourth rod 622 may be formed in a cylindrical shape.
  • the fourth rod 622 may extend in the front-to-back direction.
  • the fourth rod 622 may include a fourth head 622H and a fourth tail 622T extending from the fourth head 622H.
  • the diameter of the fourth tail 622T may be smaller than the diameter of the fourth head 622H.
  • the fourth tail 622T may be a portion mounted on the first substrate 63.
  • the fourth head 622H may protrude rearward from the back of the first substrate 63.
  • the second terminal 62 may include a fifth rod 623.
  • the fifth rod 623 may be a metal terminal.
  • the fifth rod 623 may be formed in a cylindrical shape.
  • the fifth rod 623 may extend in the front-to-back direction.
  • the fifth rod 623 may be vertically spaced apart from the fourth rod 622 and may overlap the fourth rod 622 vertically.
  • the fifth rod 623 may include a fifth head 623H and a fifth tail 623T extending from the fifth head 623H.
  • the diameter of the fifth tail 623T may be smaller than the diameter of the fifth head 623H.
  • the fifth head 623H may be formed in the same size and shape as the fourth head 622H, and the fifth tail 623T may be formed in the same size and shape as the fourth tail 622T.
  • the fifth tail 623T may be a portion mounted on the first substrate 63.
  • the fifth head 623H may protrude rearward from the back of the first substrate 63.
  • the second terminal 62 may include a sixth rod (624).
  • the sixth rod 624 may be a metal terminal.
  • the sixth rod 624 may be formed in a cylindrical shape.
  • the sixth rod 624 may extend in the front-to-back direction.
  • the sixth rod 624 may be located between the fourth rod 622 and the fifth rod 623. At least a portion of the sixth rod 624 may overlap the fourth and fifth rods 622 and 623 vertically.
  • the center of the sixth rod 624 may be located eccentrically to the right with respect to the virtual straight line AL2 connecting the center of the fourth rod 622 and the center of the fifth rod 623 (see FIG. 10). ).
  • the sixth rod 624 may include a sixth head 624H and a sixth tail 624T extending from the sixth head 624H.
  • the sixth tail 624T may be a portion mounted on the first substrate 63.
  • the sixth head 624H may protrude rearward from the back of the first substrate 63.
  • the diameter of the sixth tail 624T may be smaller than the diameter of the sixth head 624H.
  • the diameter of the sixth head 624H may be smaller than the diameters of the fourth and fifth heads 622H and 623H.
  • the diameter of the sixth tail 624T may be smaller than the diameters of the fourth and fifth tails 622T and 623T.
  • the second terminal 62 may include a second housing 621.
  • the second housing 621 can accommodate a plurality of rods 622, 623, and 624.
  • the second housing 621 may be formed of an insulating material.
  • the second housing 621 may include a fourth surface 621S1 and a fifth surface 621S2 located on the opposite side of the fourth surface 621S1 and in contact with the rear surface of the first substrate 63.
  • the second housing 621 may be positioned to protrude rearward with respect to the rear surface of the first substrate 63.
  • the fourth surface 621S1 of the second housing 621 may be exposed to the rear of the back cover 15 through the second terminal hole 155b of the back cover 15 (see FIGS. 6 and 7).
  • the second housing 621 may include a fourth rod hole 6211.
  • the fourth rod hole 6211 may be formed by penetrating the fourth surface 621S1 and the fifth surface 621S2 of the second housing 621 in the forward and backward directions.
  • the fourth rod 622 may be inserted into the fourth rod hole 6211.
  • the fourth head 622H of the fourth rod 622 may be inserted into the fourth rod hole 6211.
  • one side of the fourth head 622H may be located on the same plane as the fourth side 621S1 of the second housing 621, and the other side of the fourth head 622H may be located on the same plane as the fourth side 621S1 of the second housing 621. It may be located on the same plane as the fourth surface 621S2.
  • the fourth tail 622T may extend forward from the other surface of the fourth head 622H.
  • the fourth tail 622T may be positioned to protrude rearward with respect to the fifth surface 621S2 of the second housing 621.
  • the second housing 621 may include a fifth rod hole 6212.
  • the fifth rod hole 6212 may be formed by penetrating the fourth surface 621S1 and the fifth surface 621S2 of the second housing 621 in the forward and backward directions.
  • a fifth rod 623 may be inserted into the fifth rod hole 6212.
  • the fifth head 623H of the fifth rod 623 may be inserted into the fifth rod hole 6212.
  • one side of the fifth head 623H may be located on the same plane as the fourth side 621S1 of the second housing 621, and the other side of the fifth head 623H may be located on the same plane as the fourth side 621S1 of the second housing 621. It may be located on the same plane as the fifth surface 621S2.
  • the fifth tail 623T may extend forward from the other surface of the fifth head 623H.
  • the fifth tail 623T may be positioned to protrude rearward with respect to the fifth surface 621S2 of the second housing 621.
  • the fifth load hole 6212 may be located below the fourth load hole 6211 and may overlap the fourth load hole 6211 vertically.
  • the center of the fifth rod hole 6212 may be located on a straight line with the center of the fourth rod hole 6211.
  • the second housing 621 may include a second groove 621G.
  • the second groove 621G may be formed on the fourth surface 621S1 of the second housing 621.
  • the second groove 621G may be formed by being recessed forward from the fourth surface 621S1 of the second housing 621.
  • the second groove 621G may be located between the fourth rod hole 6211 and the fifth rod hole 6212.
  • the sixth surface 621S3 of the second housing 621 may be located in the second groove 621G.
  • the sixth surface 621S3 may be positioned to be stepped from the fourth surface 621S1.
  • the sixth surface 621S3 may be located ahead of the fourth surface 621S1.
  • the second housing 621 may include a sixth rod hole 6213.
  • the sixth load hole 6213 may be located between the fourth load hole 6211 and the fifth load hole 6212.
  • the sixth load hole 6213 may be formed in the second groove 621G.
  • the sixth rod hole 6213 may be formed by penetrating the sixth surface 62S3 and the fifth surface 621S2 in the forward and backward directions.
  • a sixth rod 624 may be inserted into the sixth rod hole 6213.
  • the sixth head 624H of the sixth rod 624 may be inserted into the sixth rod hole 6213.
  • one side of the sixth head 624H may be located on the same plane as the sixth side 621S3 of the second housing 621, and the other side of the sixth head 624H may be located on the same plane as the sixth side 621S3 of the second housing 621. It may be located on the same plane as the fifth surface 621S2.
  • the sixth tail 624T may extend forward from the other surface of the sixth head 624H.
  • the sixth tail 624T may be positioned to protrude rearward with respect to the fifth surface 621S2 of the second housing 621.
  • a portion of the sixth load hole 6213 may overlap the fourth and fifth load holes 6211 and 6212 vertically.
  • the center of the sixth rod hole 6213 may be located eccentrically to the right with respect to the straight line connecting the center of the fourth rod hole 6211 and the center of the fifth rod hole 6212.
  • the first terminal 61 and the second terminal 62 may be mounted on the first substrate 63 .
  • the first substrate 63 may include rod holes 636a, 636b, and 636c into which the rods 612, 613, and 614 of the first terminal 61 are mounted.
  • Rod holes 636a, 636b, and 636c may be formed by penetrating the first substrate 63 in the front-back direction.
  • the load holes 636a, 636b, and 636c may be located between the first hole 631 and the fifth hole 635.
  • the load holes 636a, 636b, and 636c may be arranged to be vertically spaced apart from each other between the first hole 631 and the fifth hole 635.
  • the first load hole 636a, the third load hole 636c, and the second load hole 636b may be formed sequentially from top to bottom.
  • the first tail 612T may be inserted into the first load hole 636a.
  • the second tail 613T may be inserted into the second load hole 636b.
  • the third tail 614T may be inserted into the third load hole 636c.
  • the first substrate 63 may include rod holes 637a, 637b, and 637c into which the rods 622, 623, and 624 of the second terminal 62 are mounted.
  • the load holes 637a, 637b, and 637c may be formed by penetrating the first substrate 63 in the front-back direction.
  • the load holes 637a, 637b, and 637c may be located between the second hole 632 and the fifth hole 635.
  • the load holes 637a, 637b, and 637c may be arranged to be vertically spaced apart from each other between the second hole 632 and the fifth hole 635.
  • the fourth rod hole 637a, the sixth rod hole 637c, and the fifth rod hole 637b may be formed sequentially from top to bottom.
  • the fourth tail 622T may be inserted into the fourth rod hole 637a.
  • the fifth tail 623T may be inserted into the fifth rod hole 637b.
  • the sixth tail 624T may be inserted into the sixth rod hole 637c.
  • the second terminal 62 can be mounted on the first substrate 63. Ends of the first to sixth tails 612T, 613T, 614T, 622T, 623T, and 624T may protrude forward from the front surface of the first substrate 63.
  • the coupler 50 may include a joint 51 .
  • the joint 51 may have an overall shape of a ping-pong stick.
  • Joint 51 may be combined with support arm 40.
  • the joint 51 can support the ball hinge 52.
  • the joint 51 can rotatably support the ball hinge 52.
  • the joint 51 may include an upper part 511 and an upper protrusion 512.
  • the upper part 511 may have a circular plate shape.
  • the upper protrusion 512 may protrude downward from the upper part 511.
  • the upper protrusion 512 may protrude downward from at least a portion of the upper part 511.
  • the upper protrusion 512 may extend along an arc of the upper part 511.
  • the upper protrusion 512 may extend in the circumferential direction of the upper part 511.
  • the upper part 511 and the upper protrusion 512 may be formed as one body.
  • the joint 51 may include a lower part 513 and a lower protrusion 514.
  • the lower part 513 may have a circular plat shape.
  • the lower part 513 may be located below the upper part 511.
  • the lower part 513 may be opposite the upper part 511 with respect to the ball hinge 52.
  • the lower protrusion 514 may protrude upward from the lower part 513.
  • the lower protrusion 514 may protrude upward from at least a portion of the lower part 513.
  • Lower protrusion 514 may extend along an arc of lower part 513 .
  • the lower protrusion 514 may extend in the circumferential direction of the lower part 513.
  • the lower part 513 and the lower protrusion 514 may be formed as one body.
  • Lower protrusion 514 may face upper protrusion 512.
  • Lower protrusion 514 may contact upper protrusion 512 .
  • a fastening member such as a screw, may pass through the lower protrusion 514 and be fastened to the upper protrusion 512. Accordingly, the upper part 511, the upper protrusion 512, the lower part 513, and the lower protrusion 514 may be coupled to each other.
  • Joint 51 may include a rear part.
  • the rear part may protrude rearward from the upper part 511 and may be coupled to the support arm 50.
  • a portion of the rear part may be seated on the lower protrusion 514.
  • the joint cover 515 can be combined with the rear part and cover the rear part.
  • Coupler 50 may include a ball hinge 52 .
  • the ball hinge 52 may be rotatably coupled to the joint 51.
  • the ball hinge 52 may be located between the upper part 511 and the lower part 513.
  • Ball hinge 52 may include a body 521, a ring 522, and a ball 523.
  • the body 521, ring 522, and ball 523 may be formed as one body.
  • the body 521 may extend in the front-to-back direction and may have a cylindrical or cylindrical shape. Body 521 may be located between ring 522 and ball 523. The body 521 is formed inside the body 521 and may include a body groove 521g extending along the longitudinal direction of the body 521.
  • the ring 522 may extend in a direction crossing the longitudinal direction of the body 521. Ring 522 may extend in the vertical direction.
  • the ring 522 may be formed in a cylindrical shape with a through hole formed in the center. Ring 522 may be located between the upper part 511 and the lower part 513. The upper pin of the upper part 511 and the lower pin of the lower part 513 may be inserted into the through hole of the ring 522.
  • the ball hinge 52 can rotate around the upper pin and lower pin.
  • the ball 523 may be coupled to the end of the body 521 and may face the ring 522 with respect to the body 521. Ball 523 may be located outside of joint 51.
  • the ball 523 may be formed in a spherical shape, and may be formed flat by cutting the front end.
  • the ball 523 may include a ball groove 523g that is formed by recessing from the front end of the ball 523 to the rear.
  • the ball groove 523g may communicate with the body groove 521g.
  • the power transmission unit 81 may be located in the grooves 521g and 523g of the ball hinge 52.
  • the coupler 50 may include a cover 53.
  • the cover 53 may cover the ball 523.
  • a ball 523 may be located inside the cover 53.
  • the front of the cover 53 may be open, and a hole may be formed on the rear.
  • the rear end of the ball 513 or the body 521 may be located in the hole formed at the rear of the cover 53.
  • the diameter of the hole formed on the rear side of the cover 53 may be smaller than the diameter of the ball 523 and larger than the diameter of the body 521. Accordingly, the ball hinge 52 may not be separated from the cover 53.
  • Brackets 531 and 532 may be located inside the cover 53. Brackets 531 and 532 may surround the outer circumference of the ball 523. The brackets 531 and 532 may contact the surface of the ball 523.
  • the brackets 531 and 532 may include a first bracket 531 and a second bracket 532.
  • the first bracket 531 may be in contact with the rear of the cover 53.
  • the second bracket 532 may be located in front of the first bracket 531.
  • the second bracket 532 may be coupled to the first bracket 531 through fastening members such as bolts and nuts.
  • the brackets 531 and 532 may contact the inner surface of the cover 53.
  • the brackets 531 and 532 may be formed to have a diameter corresponding to the inner diameter of the cover 53. Cover 53, mount 54 and head 10 can rotate with respect to ball hinge 42.
  • Coupler 50 may include a mount 54 .
  • Mount 54 may be coupled to back cover 15 (see Figure 6).
  • the mount 54 may be coupled to the mount groove 15G of the back cover 15 (see FIG. 6).
  • the mount 54 may be detachably coupled to the mount groove 15G.
  • the mount 54 may include a rear mount 541 and a front mount 542.
  • the rear mount 541 may be located behind the front mount 542.
  • the rear mount 541 may be located between the front mount 542 and the cover 53.
  • the front mount 542 may be located between the back cover 15 and the rear mount 541.
  • the rear mount 541 may have a circular plate shape.
  • the hole 5411 may be formed to penetrate the rear mount 541 in the front-to-rear direction and may be located in the center of the rear mount 541.
  • the diameter of the hole 5411 of the rear mount 541 may be smaller than the diameter of the front opening of the cover 53. Through the hole 5411 of the rear mount 541, the inner space of the mount 54 and the inner space of the cover 53 may be communicated.
  • the first fastening hole 5412 may be formed by penetrating the rear mount 451 in the front-to-rear direction. There may be a plurality of first fastening holes 5412. The plurality of first fastening holes 5412 may be spaced apart from each other along the circumference of the hole 5411. The plurality of first fastening holes 5412 may be located adjacent to the outer periphery of the hole 5411. For example, there may be four first fastening holes 5411. A fastening member such as a screw may pass through the first fastening hole 5412 and be fastened to the cover 53. Through this, the cover 53 and the rear mount 541 can be coupled to each other.
  • the side portion 5413 of the rear mount 541 may protrude forward from the outer periphery of the rear mount 541.
  • the side portion 5413 may extend along the perimeter of the rear mount 541.
  • the side grooves 5413g1, 5413g2, and 5413g3 may be formed in the side portion 5413 and may be formed by being recessed backward from the side portion 5413.
  • a plurality of side grooves 5413g1, 5413g2, and 5413g3 may be provided.
  • a plurality of side grooves 5413g1, 5413g2, and 5413g3 may be arranged to be spaced apart from each other along the perimeter of the rear mount 541.
  • the plurality of side grooves 5413g1, 5413g2, and 5413g3 may include a first side groove 5413g1, a second side groove 5413g2, and a third side groove 5413g3.
  • the second fastening hole 5414 may be formed by penetrating the rear mount 541 in the front-to-rear direction. There may be a plurality of second fastening holes 5414.
  • the plurality of second fastening holes 5414 may be located between the plurality of first fastening holes 5412.
  • the plurality of second fastening holes 5414 may be provided as two second fastening holes 5414 and may face each other with respect to the hole 5411.
  • the two second fastening holes 5414 may be spaced apart from each other in the left and right directions.
  • the two second fastening holes 5414 may be located adjacent to the outer periphery of the hole 5411.
  • the third fastening hole 5415 may be formed by penetrating the rear mount 541 in the front-to-rear direction.
  • the third fastening hole 5415 may be located adjacent to the side portion 5413.
  • the plurality of third fastening holes 5415 may be spaced apart from each other in the circumferential direction of the rear mount 541.
  • the front mount 542 may have a disk shape.
  • the front mount 542 may be located in front of the rear mount 541.
  • the front mount 542 may be combined with the rear mount 541.
  • the front mount 542 may include a first part 5421 and a second part 5422 protruding forward from the first part 5421.
  • the second part 5422 may be located in the center of the first part 5421.
  • the second part 5422 may be formed by pressing forward from the central area of the first part 5421.
  • the first part 5421 may face the first mount part 151, and the second part 5422 may face the second mount part 152.
  • the first part 5421 may contact the rear of the first mount part 151, and the second part 5422 may contact the second part 5422. 2 It may be in contact with the rear of the mount part 152.
  • the fastening hole 5423 may be formed by penetrating the front mount 542 in the front-to-back direction.
  • a fastening hole 5423 may be formed in the first part 5421.
  • the fastening hole 5423 may be located adjacent to the outer periphery of the first part 5421.
  • the plurality of fastening holes 5423 may be spaced apart from each other along the circumference of the front mount 542.
  • the fastening hole 5423 may be aligned with the third fastening hole 5415 of the rear mount 541.
  • a fastening member such as a screw may pass through the fastening hole 5423 of the front mount 542 and be fastened to the third fastening hole 5415 of the rear mount 541. Accordingly, the rear mount 541 and the front mount 542 can be combined.
  • the first hole 5424 may be formed in the second part 5422.
  • the first hole 5424 may be formed by penetrating the second part 5422 in the front-to-back direction.
  • the first hole 5424 may be aligned with the terminal hole 155a.
  • the first hole 5424 may be where the first pin 71 is located.
  • the first pin 71 may protrude forward of the front mount 542 through the first hole 5424.
  • the second hole 5425 may be formed in the second part 5422.
  • the second hole 5425 may be formed by penetrating the second part 5422 in the front-to-back direction.
  • the second hole 5425 may be aligned with the terminal hole 155b.
  • the second hole 5425 may be spaced left and right from the first hole 5424.
  • a second pin 72 may be located in the second hole 5425.
  • the second pin 72 may protrude forward of the front mount 542 through the second hole 5425.
  • the top latch 543 may be located between the rear mount 541 and the front mount 542.
  • the top latch 543 may be located between the first part 5421 of the rear mount 541 and the front mount 542.
  • the top latch 543 may include a top body 5431 and a first protrusion 5432 extending from the top body 5431.
  • the top body 5431 may be located between the rear mount 541 and the front mount 542.
  • the first protrusion 5432 may be located in the first side groove 5413g1 and may protrude to the outside of the mount 54 through the first side groove 5413g1.
  • the first protrusion 5432 may be aligned with the first side groove 153G1 (see FIG. 9) of the mount groove 15G and may be inserted into the first side groove 153G1 (see FIG. 9).
  • the first elastic member 5433 may be fixed to the top body 5431.
  • a plurality of first elastic members 5433 may be provided.
  • One end of the first elastic member 5433 may be in contact with the lower end of the first protrusion 5432, and the other end of the first elastic member 5433 may be in contact with the first supporter 5416 of the rear mount 431.
  • the top latch 543 can be moved in the radial direction of the mount 54 and/or in a direction toward the center of the mount 54.
  • the first protrusion 5432 may be inserted into the first side groove 153G1 (see FIG. 9) of the mount groove 15G. Accordingly, the mount 54 can be fixed to the back cover 15.
  • the bottom latch 544 may be located between the rear mount 541 and the front mount 542.
  • the bottom latch 544 may be located between the first part 5421 of the rear mount 541 and the front mount 542.
  • the bottom latch 544 includes a bottom body 5441, a second protrusion 5442 extending from the bottom body 5441, and a third protrusion spaced apart from the second protrusion 5442 extending from the bottom body 5441 ( 5443).
  • the second protrusion 5442 may be located in the second side groove 5413g2 of the side portion 5413 and may protrude to the outside of the mount 54 through the second side groove 5413g2.
  • the third protrusion 5443 may be located in the third side groove 5413g3 of the side portion 5413 and may protrude to the outside of the mount 54 through the third side groove 5413g3.
  • the second protrusion 5442 may be aligned with the second side groove 153G2 (see FIG. 9) of the back cover 15 and may be inserted into the second side groove 153G2 (see FIG. 9).
  • the third protrusion 5443 may be aligned with the third side groove 153G3 (see FIG. 8) of the back cover 15 and may be inserted into the third side groove 153G3 (see FIG. 8).
  • the bottom body 5441 may be located between the first part 5421 of the rear mount 541 and the front mount 542, and may connect the second protrusion 5442 and the third protrusion 5443.
  • the second elastic member 5444 may be fixed to the bottom body 5441.
  • the second elastic member 5444 may be positioned adjacent to the second protrusion 5442.
  • One end of the second elastic member 5444 may be in contact with the second protrusion 5442, and the other end of the second elastic member 5444 may be in contact with the second supporter 5417 of the rear mount 431.
  • the third elastic member 5445 may be fixed to the bottom body 5441.
  • the third elastic member 5445 may be positioned adjacent to the third protrusion 5443.
  • One end of the third elastic member 5445 may be in contact with the third protrusion 5443, and the other end of the third elastic member 5445 may be in contact with the third supporter 5418 of the rear mount 431.
  • the bottom latch 544 may be moved in a radial direction of the mount 54 and/or in a direction toward the center of the mount 54.
  • the second and third protrusions 5442 and 5443 are respectively aligned with the second side groove 153G2 (see FIG. 9) and the third side groove 153G2 of the mount groove 15G. It can be inserted into the side groove (153G3, see FIG. 8). Accordingly, the mount 54 can be fixed to the back cover 15.
  • the second magnet M2 may be located on the mount 54.
  • the second magnet (M2) may be located between the rear mount 541 and the front mount 542.
  • the second magnet (M2) may be fixed to the front mount 542.
  • the second magnet (M2) may face the first magnet (M1) with respect to the front mount 542.
  • the second magnet (M2) may be located in the second part (5422) of the front mount (542).
  • the second magnet (M2) may exert an attractive force with the first magnet (M1, see FIG. 9), and through this, the coupling force between the head 10 and the mount 54 can be increased.
  • the cover 53 may be located behind the rear mount 541 and may be coupled to the rear mount 541.
  • a fastening member such as a screw may pass through the first fastening hole 5412 of the rear mount 541 and be fastened to the cover 53.
  • the ball 523 may be located inside the cover 53 and may be fixed by brackets 531, 531.
  • the ball groove 523g of the ball 523 may be aligned with the hole 5411 of the rear mount 541 and communicate with each other.
  • the power transmission unit 81 may be electrically connected to an external power source through a cable 82 and may transmit the external power source to the connectors 60 and 70.
  • the power transmission unit 81 may be a rotatable connector such as a slip ring.
  • the power transmission unit 81 may be located in the ball groove 523g of the ball 523.
  • the power transmission unit 81 may be located between the rear mount 541 and the front mount 542 through the hole 5411 of the rear mount 541.
  • the cable 83 is connected to the power transmission unit 81 and may extend into the inside of the support arm 40 through the grooves 521g and 523g of the hole hinge 52.
  • the connectors 60 and 70 may include a pin assembly 70 .
  • Pin assembly 70 may be coupled to mount 54.
  • the pin assembly 70 may be located between the rear mount 541 and the front mount 542, and a portion may protrude in front of the front mount 542 (see FIG. 16).
  • Pin assembly 70 may be combined with terminal assembly 60 (see FIG. 6).
  • the pin assembly 70 may be electrically connected to the terminal assembly 60.
  • the pin assembly 70 may include a second substrate 73.
  • the second substrate 73 may be formed in a plate shape with long sides in the left and right directions.
  • the second substrate 73 may be located between the rear mount 541 and the front mount 541 and may be coupled to the rear mount 541.
  • a fastening member such as a screw may penetrate the second substrate 73 and be fastened to the second fastening hole 5414 of the rear mount 541.
  • the second substrate 73 may face the hole 5411 of the rear mount 541. That is, the second substrate 73 can be seen through the hole 5411 of the rear mount 541 when viewed from the rear of the rear mount 541.
  • the second substrate 73 may face the second part 5422 of the front mount 542.
  • the terminals 811 and 812 of the power transmission unit 81 may be mounted on the second board 73.
  • the power transmission unit 81 may be mounted on the second substrate 73 from the rear of the second substrate 73.
  • the second substrate 73 may include a first fastening hole 737 and a second fastening hole 738.
  • the first fastening hole 737 and the second fastening hole 738 may be formed by penetrating the second substrate 73 in the front-back direction.
  • the first fastening hole 737 may be located adjacent to the left edge of the first substrate 73, and the second fastening hole 738 may be located adjacent to the right edge of the second substrate 73.
  • the first fastening hole 737 can be aligned with the second fastening hole 5414 on the left side of the rear mount 541, and the second fastening hole 738 can be aligned with the second fastening hole 5414 on the right side of the rear mount 541. can be aligned with (see Figure 16).
  • a fastening member such as a screw may pass through the first and second fastening holes 737 of the second substrate 73, respectively, and be fastened to the second fastening hole 5414 of the rear mount 541.
  • the second substrate 73 may include connection holes 7391 and 7392.
  • the connection holes 7391 and 7392 may be located between the first fastening hole 737 and the second fastening hole 738.
  • the connection holes 7391 and 7392 may be located at the center of the second substrate 73.
  • the connection holes 7391 and 7392 may be long holes that are long in the vertical direction. Through this, the connection between the second substrate 73 and the power transmission unit 81 can be maintained even during the pivoting operation of the head 10.
  • Connection terminals 811 and 812 of the power transmission unit 81 may be connected to the connection holes 7391 and 7392.
  • a plurality of connection holes 7391 and 7392 may be provided.
  • connection holes 7391 and 7392 may include a first connection hole 7391 and a second connection hole 7392 located below the first connection hole 7391.
  • the first connection terminal 811 of the power transmission unit 81 may be inserted into the first connection hole 7391, and the second connection terminal 812 of the power transmission unit 81 may be inserted into the second connection hole 7392. can be inserted.
  • the second substrate 73 may include a first hole 731.
  • the first hole 731 may be formed by penetrating the second substrate 73 in the front-to-back direction.
  • the first hole 731 may be a circular hole.
  • the first hole 731 may be located on the left side of the connection holes 7391 and 7392.
  • the first hole 731 may be located between the first fastening hole 737 and the connection holes 7391 and 7392.
  • the first prop pin 711 may be inserted and mounted in the first hole 731.
  • the second substrate 73 may include a second hole 732.
  • the second hole 732 may be formed by penetrating the second substrate 73 in the front-to-back direction.
  • the second hole 732 may be a circular hole.
  • the second hole 732 may be formed in the same size and shape as the first hole 731.
  • the second hole 732 may be located on the left side of the connection holes 7391 and 7392.
  • the second hole 732 may be located between the first fastening hole 737 and the connection holes 7391 and 7392.
  • the second hole 732 may be spaced apart from the first hole 731 and may be located below the first hole 731.
  • the second hole 732 may overlap the first hole 731 in the vertical direction.
  • a second prop pin 712 may be inserted and mounted in the second hole 732.
  • the second substrate 73 may include a third hole 733.
  • the third hole 733 may be formed by penetrating the second substrate 73 in the front-to-back direction.
  • the third hole 733 may be a circular hole.
  • the third hole 733 may be located on the left side of the connection holes 7391 and 7392.
  • the third hole 733 may be located between the first fastening hole 737 and the connection holes 7391 and 7392.
  • the third hole 733 may be spaced apart from the first and second holes 731 and 732.
  • the third hole 733 may be located between the first hole 731 and the second hole 732. At least a portion of the third hole 733 may overlap the first and second holes 731 and 732 in the vertical direction.
  • the diameter of the third hole 733 may be smaller than the diameter of the first and second holes 731 and 732.
  • the center of the third hole 733 may be located eccentrically to the left of an imaginary straight line connecting the centers of the first hole 731 and the centers of the second hole 732.
  • a third prop pin 713 may be inserted and mounted in the third hole 733.
  • the second substrate 73 may include a fourth hole 734.
  • the fourth hole 734 may be formed by penetrating the second substrate 73 in the front-to-back direction.
  • the fourth hole 734 may be a circular hole.
  • the fourth hole 734 may be located on the right side of the connection holes 7391 and 7392.
  • the fourth hole 734 may be located between the second fastening hole 738 and the connection holes 7391 and 7392.
  • the fourth hole 734 may overlap the first hole 731 in the left and right directions.
  • a fourth prop pin 721 may be inserted and mounted in the fourth hole 734.
  • the second substrate 73 may include a fifth hole 735.
  • the fifth hole 735 may be formed by penetrating the second substrate 73 in the front-to-back direction.
  • the fifth hole 735 may be a circular hole.
  • the fifth hole 735 may be formed in the same size and shape as the fourth hole 734.
  • the fifth hole 735 may be located on the right side of the connection holes 7391 and 7392.
  • the fifth hole 735 may be located between the second fastening hole 738 and the connection holes 7391 and 7392.
  • the fifth hole 735 may be spaced apart from the fourth hole 734 and may be located below the fourth hole 734.
  • the fifth hole 735 may overlap the fourth hole 734 in the vertical direction.
  • the fifth hole 735 may overlap the second hole 732 in the left and right directions.
  • a fifth prop pin 722 may be inserted and mounted in the fifth hole 735.
  • the second substrate 73 may include a sixth hole 736.
  • the sixth hole 736 may be formed by penetrating the second substrate 73 in the front-to-back direction.
  • the sixth hole 736 may be a circular hole.
  • the sixth hole 736 may be located on the right side of the connection holes 7391 and 7392.
  • the sixth hole 736 may be located between the second fastening hole 738 and the connection holes 7391 and 7392.
  • the sixth hole 736 may be spaced apart from the fourth and fifth holes 734 and 735.
  • the sixth hole 736 may be located between the fourth hole 734 and the fifth hole 735. At least a portion of the sixth hole 736 may overlap the fourth and fourth holes 734 and 734 in the vertical direction.
  • the sixth hole 736 may overlap the third hole 733 in the left and right directions.
  • the diameter of the sixth hole 736 may be smaller than the diameter of the fourth and fifth holes 734 and 735.
  • the center of the sixth hole 736 may be located eccentrically to the right of an imaginary straight line connecting the centers of the fourth hole 734 and the fifth hole 735.
  • a sixth prop pin 723 may be inserted and mounted in the sixth hole 736.
  • the first pin 71 may be coupled to the first terminal 61.
  • the first pin 71 may be detachably coupled to the first terminal 61.
  • the first pin 71 may be electrically connected by contacting the first terminal 61.
  • the first pin 71 may include a first probe pin (711).
  • the first probe pin 711 may be mounted on the second substrate 73 from the front of the second substrate 73 .
  • the first probe pin 711 may protrude forward with respect to the second substrate 73 .
  • the first probe pin 711 may be inserted into the first hole 731 of the second substrate 73 and electrically connected to the second substrate 73.
  • the first probe pin 711 may be aligned with the first rod 612 (see FIG. 11). When the first pin 71 and the first terminal 61 are combined, the first probe pin 711 may contact the first head 612H of the first rod 612 (see FIG. 11).
  • the first probe pin 711 includes a first spring loaded pin, 711, a first spring loaded needle, 711, and a first lift pin. , 711), or may be referred to as a first pogo pin (first pogo pin, 711).
  • the first pin 71 may include a second probe pin 712.
  • the second probe pin 712 may be mounted on the second substrate 73 from the front of the second substrate 73 .
  • the second probe pin 712 may protrude forward with respect to the second substrate 73 .
  • the second probe pin 712 may be inserted into the second hole 732 of the second substrate 73 and electrically connected to the second substrate 73.
  • the second probe pin 712 may be aligned with the second rod 613 (see FIG. 11). When the first pin 71 and the first terminal 61 are combined, the second probe pin 712 may contact the second head 613H of the second rod 613 (see FIG. 11).
  • the second probe pin 712 is a second spring loaded pin 712, a second spring loaded needle 712, a second lift pin 712, or a second pogo. It may be referred to as a pin (second pogo pin, 712).
  • the first pin 71 may include a third probe pin 713.
  • the third probe pin 713 may be mounted on the second substrate 73 from the front of the second substrate 73.
  • the third probe pin 713 may protrude forward with respect to the second substrate 73.
  • the third probe pin 713 is inserted into the third hole 733 of the second substrate 73 to form the second substrate (73). 73) and can be electrically connected.
  • the third probe pin 713 may be aligned with the third rod 614 (see FIG. 11). When the first pin 71 and the first terminal 61 are combined, the third probe pin 713 may contact the third head 614H of the third rod 614 (see FIG. 11).
  • the third probe pin 713 is a third spring loaded pin 713, a third spring loaded needle 713, a third lift pin 713, or a third pogo. It may be called a third pogo pin (713).
  • the second pin 72 may be coupled to the second terminal 62.
  • the second pin 72 may be detachably coupled to the second terminal 62.
  • the second pin 72 may be electrically connected by contacting the second terminal 62.
  • the second pin 72 may include a fourth probe pin (721).
  • the fourth probe pin 721 may be mounted on the second substrate 73 from the front of the second substrate 73.
  • the fourth probe pin 721 may protrude forward with respect to the second substrate 73.
  • the fourth probe pin 721 is inserted into the fourth hole 734 of the second substrate 73 to form the second substrate (73). 73) and can be electrically connected.
  • the fourth probe pin 721 may be aligned with the fourth rod 622 (see FIG. 11). When the second pin 72 and the second terminal 62 are combined, the fourth probe pin 721 may contact the fourth head 622H of the fourth rod 622 (see FIG. 11).
  • the fourth probe pin 721 is a fourth spring loaded pin, 721, a fourth spring loaded needle, 721, a fourth lift pin, or a fourth lift pin. It may be referred to as a fourth pogo pin (721).
  • the second pin 72 may include a fifth probe pin (722).
  • the fifth probe pin 722 may be mounted on the second substrate 73 from the front of the second substrate 73.
  • the fifth probe pin 722 may protrude forward with respect to the second substrate 73.
  • the fifth probe pin 722 is inserted into the fifth hole 735 of the second substrate 73 to form a second substrate (73). 73) and can be electrically connected.
  • the fifth probe pin 722 may be aligned with the fifth rod 623 (see FIG. 11). When the second pin 72 and the second terminal 62 are combined, the fifth probe pin 722 may contact the fifth head 623H of the fifth rod 623 (see FIG. 11).
  • the fifth probe pin 722 is a fifth spring loaded pin (722), a fifth spring loaded needle (722), a fifth lift pin (fifth lift pin. 722), or a fifth pogo. It may be referred to as a fifth pogo pin (722).
  • the second pin 72 may include a sixth probe pin (723).
  • the sixth probe pin 723 may be mounted on the second substrate 73 from the front of the second substrate 73.
  • the sixth probe pin 723 may protrude forward with respect to the second substrate 73.
  • the sixth probe pin 723 is inserted into the sixth hole 736 of the second substrate 73 to form the second substrate (73). 73) and can be electrically connected.
  • the sixth probe pin 723 may be aligned with the sixth rod 624 (see FIG. 11). When the second pin 72 and the second terminal 62 are combined, the sixth probe pin 723 may contact the sixth head 624H of the sixth rod 624 (see FIG. 11).
  • the sixth probe pin 723 is a sixth spring loaded pin, 722, a sixth spring loaded needle, 722, a sixth lift pin, or a sixth lift pin. It may be referred to as the sixth pogo pin (722).
  • the first probe pin 711 may include a first barrel 7111, a first plunger 7112, a first connection portion 7113, and a first elastic member 7114. You can.
  • the first barrel 7111 may have a cylindrical shape with a space formed inside. One end of the first barrel 7111 may be open. The other end 7111E of the first barrel 7111 may have a larger diameter than the first barrel 7111. The other end 7111E of the first barrel 7111 may be formed to be larger than the diameter of the first hole 731 of the second substrate 73 (see FIG. 20).
  • the first plunger 7112 may be coupled to one end of the first barrel 7111.
  • the first plunger 7112 may be coupled to an opening formed at one end of the first barrel 7111.
  • the first plunger 7112 may include a first plunger body 7112B and a first plunger head 7112H protruding from one surface of the first plunger body 7112B.
  • the first plunger body 7112B can be accommodated inside the first barrel 7111.
  • the diameter of the first plunger body 7112B may be larger than the diameter of the opening of the first barrel 7111. Accordingly, the first plunger 7112 may not be separated from the first barrel 7111.
  • the first plunger head 7112H may be smaller than the diameter of the first plunger body 7112B and may be smaller than or equal to the diameter of the opening of the first barrel 7111.
  • the first plunger head 7112H may protrude forward with respect to one end (opening) of the first barrel 7111.
  • the first plunger head 7112H may be a part that contacts the first head 612H of the first rod 612 (see FIG. 11).
  • the first connection portion 7113 may protrude rearward from the other end 7111E of the first barrel 7111.
  • the first connection portion 7113 may have a smaller diameter than the other end 7111E of the first barrel 7111.
  • the first connection portion 7113 may be in contact with the second substrate 73.
  • the first connection portion 7113 may be inserted into the first hole 731 of the second substrate 73 and come into contact with the second substrate 73.
  • the first connection portion 7113 may have a cylindrical shape, and a portion may be cut.
  • the first elastic member 7114 may be accommodated inside the first barrel 7111. One end of the first elastic member 7114 may contact the first plunger head 7112H, and the other end may contact the other end 7111E of the first barrel 7111.
  • the first elastic member 7114 may elastically support the first plunger 7112. Accordingly, the first plunger 7112 can be moved forward and backward.
  • the first elastic member 7114 may be a coil spring.
  • the second probe pin 712 may include a second barrel 7121, a second plunger 7122, a second connection portion 7123, and a second elastic member 7124.
  • the second barrel 7121 may have a cylindrical shape with a space formed inside. One end of the second barrel 7121 may be open. The other end (7121E) of the second barrel (7121) may have a larger diameter than the second barrel (7121). The other end 7121E of the second barrel 7121 may be formed to be larger than the diameter of the second hole 732 of the second substrate 73 (see FIG. 20).
  • the second plunger 7122 may be coupled to one end of the second barrel 7121.
  • the second plunger 7122 may be coupled to an opening formed at one end of the second barrel 7121.
  • the second plunger 7122 may include a second plunger body 7122B and a second plunger head 7122H protruding from one surface of the second plunger body 7122B.
  • the second plunger body 7122B can be accommodated inside the second barrel 7121.
  • the diameter of the second plunger 7122 may be larger than the diameter of the opening of the second barrel 7121. Accordingly, the second plunger 7122 may not be separated from the second barrel 7121.
  • the second plunger head 7122H may be smaller than the diameter of the second plunger body 7122B and may be smaller than or equal to the diameter of the opening of the second barrel 7121.
  • the second plunger head 7122H may protrude forward with respect to one end (opening) of the second barrel 7121.
  • the second plunger head 7122H may be a part that contacts the second head 613H of the second rod 613 (see FIG. 11).
  • the second connection portion 7123 may protrude rearward from the other end 7121E of the second barrel 7121.
  • the second connection portion 7123 may have a smaller diameter than the other end 7121E of the second barrel 7121.
  • the second connection portion 7123 may be in contact with the second substrate 73.
  • the second connection portion 7123 may be electrically connected to the second substrate 73.
  • the second connection portion 7123 may be inserted into the second hole 732 of the second substrate 73 and come into contact with the second substrate 73.
  • the second connection portion 7123 may have a cylindrical shape, and a portion may be cut.
  • the second elastic member 7124 may be accommodated inside the second barrel 7121. One end of the second elastic member 7124 may contact the second plunger head 7122H, and the other end may contact the other end 7121E of the second barrel 7121.
  • the second elastic member 7124 may elastically support the second plunger 7122. Accordingly, the second plunger 7122 can be moved forward and backward.
  • the second elastic member 7124 may be a coil spring.
  • the third probe pin 713 may include a third barrel 7131, a third plunger 7132, a third connection portion 7133, and a third elastic member 7134.
  • the third barrel 7131 may have a cylindrical shape with a space formed inside. One end of the third barrel 7131 may be open. The other end (7131E) of the third barrel (7131) may have a larger diameter than the third barrel (7131). The other end 7131E of the third barrel 7131 may be formed to be larger than the diameter of the third hole 733 of the second substrate 73 (see FIG. 20). The third barrel 7131 may be formed in a cylindrical shape with a smaller diameter than the first and second barrels 7111 and 7121.
  • the third plunger 7132 may be coupled to one end of the third barrel 7131.
  • the third plunger 7132 may be coupled to an opening formed at one end of the third barrel 7131.
  • the third plunger 7132 may include a second plunger body 7132B and a third plunger head 7132H protruding from one surface of the third plunger body 7132B.
  • the third plunger body 7132B can be accommodated inside the third barrel 7131.
  • the diameter of the third plunger 7132 may be larger than the diameter of the opening of the third barrel 7131. Accordingly, the third plunger 7132 may not be separated from the third barrel 7131.
  • the third plunger head 7132H may be smaller than the diameter of the third plunger body 7132B and may be smaller than or equal to the diameter of the opening of the third barrel 7131.
  • the third plunger head 7132H may protrude forward with respect to one end (opening) of the third barrel 7131.
  • the third plunger head 7132H may be a part that contacts the third head 614H of the third rod 614 (see FIG. 11).
  • the third connection portion 7133 may protrude rearward from the other end 7131E of the third barrel 7131.
  • the third connection portion 7133 may have a smaller diameter than the other end 7131E of the third barrel 7131.
  • the third connection portion 7133 may be in contact with the second substrate 73.
  • the third connection portion 7133 may be electrically connected to the second substrate 73.
  • the third connection portion 7133 may be inserted into the third hole 733 of the second substrate 73 and come into contact with the second substrate 73.
  • the third connection portion 7133 may be formed in a cylindrical shape.
  • the third elastic member 7134 can be accommodated inside the third barrel 7131. One end of the third elastic member 7134 may contact the second plunger head 7132H, and the other end may contact the other end 7131E of the third barrel 7131.
  • the third elastic member 7134 can elastically support the third plunger 7132. Accordingly, the third plunger 7132 can be moved forward and backward.
  • the third elastic member 7134 may be a coil spring.
  • the fourth probe pin 721 may include a fourth barrel 7211, a fourth plunger 7212, a fourth connection portion 7213, and a fourth elastic member 7214.
  • the fourth probe pin 721 may have the same shape and structure as the first probe pin 711.
  • the fourth barrel 7211 may have a cylindrical shape with a space formed inside. One end of the fourth barrel 7211 may be open. The other end 7211E of the fourth barrel 7211 may have a larger diameter than the fourth barrel 7211. The other end 7211E of the fourth barrel 7211 may be formed to be larger than the diameter of the fourth hole 734 of the second substrate 73 (see FIG. 20).
  • the fourth plunger 7212 may be coupled to one end of the fourth barrel 7211.
  • the fourth plunger 7212 may be coupled to an opening formed at one end of the fourth barrel 7211.
  • the fourth plunger 7212 may include a fourth plunger body 7212B and a fourth plunger head 7212H protruding from one surface of the fourth plunger body 7212B.
  • the fourth plunger body 7212B can be accommodated inside the fourth barrel 7211.
  • the diameter of the fourth plunger body 7212B may be larger than the diameter of the opening of the fourth barrel 7211. Accordingly, the fourth plunger 7212 may not be separated from the fourth barrel 7211.
  • the fourth plunger head 7212H may be smaller than the diameter of the fourth plunger body 7212B and may be smaller than or equal to the diameter of the opening of the fourth barrel 7211.
  • the fourth plunger head 7212H may protrude forward with respect to one end (opening) of the fourth barrel 7211.
  • the fourth plunger head 7412H may be a part that contacts the fourth head 622H of
  • the fourth connection portion 7213 may protrude rearward from the other end 7211E of the fourth barrel 7211.
  • the fourth connection portion 7213 may have a smaller diameter than the other end 7211E of the fourth barrel 7211.
  • the fourth connection portion 7213 may be in contact with the second substrate 73.
  • the fourth connection portion 7213 may be inserted into the fourth hole 734 of the second substrate 73 and come into contact with the second substrate 73.
  • the fourth connection portion 7213 may have a cylindrical shape, and a portion may be cut.
  • the fourth elastic member 7214 can be accommodated inside the fourth barrel 7211. One end of the fourth elastic member 7214 may contact the fourth plunger head 7212H, and the other end may contact the other end 7211E of the fourth barrel 7211.
  • the fourth elastic member 7214 can elastically support the fourth plunger 7212. Accordingly, the fourth plunger 7212 can be moved forward and backward.
  • the fourth elastic member 7214 may be a coil spring.
  • the fifth probe pin 722 may include a fifth barrel 7221, a fifth plunger 7222, a fifth connection portion 7223, and a fifth elastic member 7224.
  • the fifth probe pin 722 may have the same shape and structure as the second probe pin 712.
  • the fifth barrel 7221 may have a cylindrical shape with a space formed inside. One end of the fifth barrel 7221 may be opened. The other end (7221E) of the fifth barrel (7221) may have a larger diameter than the fifth barrel (7221). The other end 7221E of the fifth barrel 7221 may be formed to be larger than the diameter of the fifth hole 735 of the second substrate 73 (see FIG. 20).
  • the fifth plunger 7222 may be coupled to one end of the fifth barrel 7221.
  • the fifth plunger 7222 may be coupled to an opening formed at one end of the fifth barrel 7221.
  • the fifth plunger 7222 may include a fifth plunger body 7222B and a fifth plunger head 7222H protruding from one surface of the fifth plunger body 7222B.
  • the fifth plunger body 7222B can be accommodated inside the fifth barrel 7221.
  • the diameter of the fifth plunger 7222 may be larger than the diameter of the opening of the fifth barrel 7221. Accordingly, the fifth plunger 7222 may not be separated from the fifth barrel 7221.
  • the fifth plunger head 7222H may be smaller than the diameter of the fifth plunger body 7222B and may be smaller than or equal to the diameter of the opening of the fifth barrel 7221.
  • the fifth plunger head 7222H may protrude forward with respect to one end (opening) of the fifth barrel 7221.
  • the fifth plunger head 7222H may be a part that contacts the fifth head 623H of the fifth rod 623 (see FIG. 11).
  • the fifth connection portion 7223 may protrude rearward from the other end 7221E of the fifth barrel 7221.
  • the fifth connection portion 7223 may have a smaller diameter than the other end 7221E of the fifth barrel 7221.
  • the fifth connection portion 7223 may be in contact with the second substrate 73.
  • the fifth connection portion 7223 may be electrically connected to the second substrate 73.
  • the fifth connection portion 7223 may be inserted into the fifth hole 735 of the second substrate 73 and come into contact with the second substrate 73.
  • the fifth connection portion 7223 may have a cylindrical shape, and a portion may be cut.
  • the fifth elastic member 7224 can be accommodated inside the fifth barrel 7221. One end of the fifth elastic member 7224 may contact the fifth plunger head 7222H, and the other end may contact the other end 7221E of the fifth barrel 7221.
  • the fifth elastic member 7224 can elastically support the fifth plunger 7222. Accordingly, the fifth plunger 7222 can be moved forward and backward.
  • the fifth elastic member 7224 may be a coil spring.
  • the sixth probe pin 723 may include a sixth barrel 7231, a sixth plunger 7232, a sixth connection portion 7233, and a sixth elastic member 7234.
  • the sixth probe pin 723 is It may have the same shape and structure as the third probe pin 713.
  • the sixth barrel 7231 may have a cylindrical shape with a space formed inside. One end of the sixth barrel 7231 may be open. The other end (7231E) of the sixth barrel (7231) may have a larger diameter than the sixth barrel (7231). The other end 7231E of the sixth barrel 7231 may be formed to be larger than the diameter of the sixth hole 736 of the second substrate 73 (see FIG. 20). The sixth barrel 7231 may be formed in a cylindrical shape with a smaller diameter than the fourth and fifth barrels 7211 and 7221.
  • the sixth plunger 7232 may be coupled to one end of the sixth barrel 7231.
  • the sixth plunger 7232 may be coupled to an opening formed at one end of the sixth barrel 7231.
  • the sixth plunger 7232 may include a sixth plunger body 7232B and a sixth plunger head 7232H protruding from one surface of the sixth plunger body 7232B.
  • the sixth plunger body 7232B can be accommodated inside the sixth barrel 7231.
  • the diameter of the sixth plunger 7232 may be larger than the diameter of the opening of the sixth barrel 7231. Accordingly, the sixth plunger 7232 may not be separated from the sixth barrel 7231.
  • the sixth plunger head 7232H may be smaller than the diameter of the sixth plunger body 7232B and may be smaller than or equal to the diameter of the opening of the sixth barrel 7231.
  • the sixth plunger head 7232H may protrude forward with respect to one end (opening) of the sixth barrel 7231.
  • the sixth plunger head 7232H may be a part that contacts the sixth head 624H of the sixth rod 624 (see FIG. 11).
  • the sixth connection portion 7233 may protrude rearward from the other end 7231E of the sixth barrel 7231.
  • the sixth connection portion 7233 may have a smaller diameter than the other end 7231E of the sixth barrel 7231.
  • the sixth connection portion 7233 may be in contact with the second substrate 73.
  • the sixth connection portion 7233 may be electrically connected to the second substrate 73.
  • the sixth connection portion 7233 may be inserted into the sixth hole 736 of the second substrate 73 and come into contact with the second substrate 73.
  • the sixth connection portion 7233 may be formed in a cylindrical shape.
  • the sixth elastic member 7234 can be accommodated inside the sixth barrel 7231. One end of the sixth elastic member 7234 may contact the sixth plunger head 7232H, and the other end may contact the other end 7231E of the sixth barrel 7231.
  • the sixth elastic member 7234 can elastically support the sixth plunger 7232. Accordingly, the sixth plunger 7232 can be moved forward and backward.
  • the sixth elastic member 7234 may be a coil spring.
  • the first pin 71 may include a first pin housing 714.
  • the first pin housing 714 may be formed of an insulating material.
  • the first pin housing 714 may include a first groove 7141.
  • the first groove 7141 may be formed by recessing backward from the front surface 714S1 of the first pin housing 714.
  • the first groove 7141 may be formed to have a first depth (Dp1, Depth 1).
  • the first depth Dp1 may be a vertical distance between the front surface 714S1 of the first pin housing 714 and the front surface 7141S of the first groove 714.
  • the first pin housing 714 may include a first pin hole 7142.
  • the first pin hole 7142 may be formed through the front surface 7141S of the first groove 7141 and the rear surface 714S2 of the first pin housing 714.
  • the first pin hole 7142 may include a first area 7142H1, a second area 7142H2, and a third area 7142H3.
  • the first to third regions 7142H1, 7142H2, and 7142H3 may communicate with each other.
  • the first area 7142H1 may be connected to the front surface 7141S of the first groove 7141.
  • the first area 7142H1 may have a first diameter D1.
  • the third area 7142H3 may be connected to the rear surface 714S2 of the first pin housing 714.
  • the third area 7142H3 may be a groove formed by recessing from the rear surface 714S2 of the first pin housing 714.
  • the third area 7142H3 may have a third diameter D3.
  • the third diameter (D3) may be larger than the first diameter (D1).
  • the second area 7142H2 may be located between the first area 714H1 and the third area 7142H3.
  • the second area 7142H2 may have a second diameter D2.
  • the second diameter (D2) may be larger than the first diameter (D1) and smaller than the third diameter (D3).
  • the first pin housing 714 may include a second pin hole 7143.
  • the second pin hole 7143 may be formed through the front surface 7141S of the first groove 7141 and the rear surface 714S2 of the first pin housing 714.
  • the second pin hole 7143 may be spaced apart from the first pin hole 7142 and may be located below the first pin hole 7142.
  • the second pin hole 7143 may include a fourth area 7143H1, a fifth area 7143H2, and a sixth area 7143H3.
  • the fourth to sixth regions (7143H1, 7143H2, and 7143H3) may communicate with each other.
  • the fourth area 7143H1 may be connected to the front surface 7141S of the first groove 7141.
  • the fourth area 7143H1 may have a fourth diameter D4.
  • the fourth diameter (D4) may be the same as the first diameter (D1).
  • the sixth area 7143H3 may be connected to the rear surface 714S2 of the first pin housing 714.
  • the sixth area 7143H3 may be a groove formed by recessing from the rear surface 714S2 of the first pin housing 714.
  • the sixth area 7143H3 may have a sixth diameter D6.
  • the sixth diameter (D6) may be the same as the third diameter (D3).
  • the sixth diameter (D6) may be larger than the fourth diameter (D4).
  • the fifth area 7143H2 may be located between the first area 7142H1 and the third area 7142H3.
  • the second area 7142H2 may have a fifth diameter D5.
  • the fifth diameter (D5) may be the same as the second diameter (D2).
  • the fifth diameter (D5) may be larger than the fourth diameter (D4) and smaller than the sixth diameter (D6).
  • the first pin housing 714 may include a third pin hole 7144.
  • the third pin hole 7144 may be formed through the front surface 7141S of the first groove 7141 and the rear surface 714S2 of the first pin housing 714.
  • the third pin hole 7144 may be located between the first pin hole 7142 and the second pin hole 7143.
  • the third pin hole 7144 may include a seventh area (7144H1), an eighth area (7144H2), and a ninth area (7144H3).
  • the seventh to ninth regions (7144H1, 7144H2, and 7144H3) may communicate with each other.
  • the seventh area 7144H1 may be connected to the front surface 7141S of the first groove 7141.
  • the seventh area 7144H1 may have a seventh diameter D7.
  • the seventh diameter D4 may be smaller than the first and fourth diameters D1 and D4.
  • the ninth area 7144H3 may be connected to the rear surface 714S2 of the first pin housing 714.
  • the ninth area 7144H3 may be a groove formed by recessing from the rear surface 714S2 of the first pin housing 714.
  • the ninth area 7144H3 may have a ninth diameter D9.
  • the ninth diameter D9 may be smaller than the third and sixth diameters D3 and D6.
  • the ninth diameter (D9) may be larger than the seventh diameter (D7).
  • the eighth area 7144H2 may be located between the seventh area 7144H1 and the ninth area 7144H3.
  • the eighth area 7144H2 may have an eighth diameter D8.
  • the eighth diameter D8 may be smaller than the second and fifth diameters D2 and D5.
  • the eighth diameter (D8) may be larger than the seventh diameter (D7) and smaller than the ninth diameter (D9).
  • the second pin 72 may include a second pin housing 724.
  • the second pin housing 724 may have the same structure and shape as the first pin housing 714.
  • the second pin housing 724 may include a second groove 7241.
  • the second groove 7241 may be formed by recessing backward from the front surface 724S1 of the second pin housing 724.
  • the second groove 7241 may be formed to have a first depth (Dp1, Depth 1).
  • the first depth Dp1 may be the distance between the front surface 724S1 of the second pin housing 724 and the front surface 7241S of the second groove 724.
  • the second pin housing 724 may include a fourth pin hole 7242.
  • the fourth pin hole 7242 may be formed through the front surface 7241S of the second groove 7241 and the rear surface 724S2 of the second pin housing 724.
  • the fourth pin hole 7242 may include a first area 7242H1, a second area 7242H2, and a third area 7242H3.
  • the first to third regions 7242H1, 7242H2, and 7242H3 may communicate with each other.
  • the first area 7242H1 may be connected to the front surface 7241S of the second groove 7241.
  • the first area 7242H1 may have a first diameter D1.
  • the third area 7242H3 may be connected to the rear surface 724S2 of the second pin housing 724.
  • the third area 7242H3 may be a groove formed by recessing from the rear surface 724S2 of the second pin housing 724.
  • the third area 7242H3 may have a third diameter D3.
  • the third diameter (D3) may be larger than the first diameter (D1).
  • the second area 7242H2 may be located between the first area 724H1 and the third area 7242H3.
  • the second area 7242H2 may have a second diameter D2.
  • the second diameter (D2) may be larger than the first diameter (D1) and smaller than the third diameter (D3).
  • the second pin housing 724 may include a fifth pin hole 7243.
  • the fifth pin hole 7243 may be formed through the front surface 7241S of the second groove 7241 and the rear surface 724S2 of the second pin housing 724.
  • the fifth pin hole 7243 may be spaced apart from the fourth pin hole 7242 and may be located below the fourth pin hole 7242.
  • the fifth pin hole 7243 may include a fourth area 7243H1, a fifth area 7243H2, and a sixth area 7243H3.
  • the fourth to sixth regions (7243H1, 7243H2, and 7243H3) may communicate with each other.
  • the fourth area 7243H1 may be connected to the front surface 7241S of the second groove 7241.
  • the fourth area 7243H1 may have a fourth diameter D4.
  • the fourth diameter (D4) may be the same as the first diameter (D1).
  • the sixth area 7243H3 may be connected to the rear surface 724S2 of the second pin housing 724.
  • the sixth area 7243H3 may be a groove formed by recessing from the rear surface 724S2 of the second pin housing 724.
  • the sixth area 7243H3 may have a sixth diameter D6.
  • the sixth diameter (D6) may be the same as the third diameter (D3).
  • the sixth diameter (D6) may be larger than the fourth diameter (D4).
  • the fifth area 7243H2 may be located between the first area 7242H1 and the third area 7242H3.
  • the second area 7242H2 may have a fifth diameter D5.
  • the fifth diameter (D5) may be the same as the second diameter (D2).
  • the fifth diameter (D5) may be larger than the fourth diameter (D4) and smaller than the sixth diameter (D6).
  • the second pin housing 724 may include a sixth pin hole 7244.
  • the sixth pin hole 7244 may be formed through the front surface 7241S of the second groove 7241 and the rear surface 724S2 of the second pin housing 724.
  • the sixth pin hole 7244 may be located between the fourth pin hole 7242 and the fifth pin hole 7243.
  • the sixth pin hole 7244 may include a seventh area (7244H1), an eighth area (7244H2), and a ninth area (7244H3).
  • the seventh to ninth regions (7244H1, 7244H2, and 7244H3) may communicate with each other.
  • the seventh area 7244H1 may be connected to the front surface 7241S of the second groove 7241.
  • the seventh area 7244H1 may have a seventh diameter D7.
  • the seventh diameter D4 may be smaller than the first and fourth diameters D1 and D4.
  • the ninth area 7244H3 may be connected to the rear surface 724S2 of the second pin housing 724.
  • the ninth area 7244H3 may be a groove formed by recessing from the rear surface 724S2 of the second pin housing 724.
  • the ninth area (7244H3) may have a ninth diameter (D9).
  • the ninth diameter D9 may be smaller than the third and sixth diameters D3 and D6.
  • the ninth diameter (D9) may be larger than the seventh diameter (D7).
  • the eighth area 7244H2 may be located between the seventh area 7244H1 and the ninth area 7244H3.
  • the eighth area 7244H2 may have an eighth diameter D8.
  • the eighth diameter D8 may be smaller than the second and fifth diameters D2 and D5.
  • the eighth diameter (D8) may be larger than the seventh diameter (D7) and smaller than the ninth diameter (D9).
  • the first probe pin 711 may be coupled to the first pin housing 714.
  • the first plunger head 7112H of the first probe pin 711 may be located in the first area 7142H1 of the first pin hole 7142.
  • the first plunger head 7112H of the first probe pin 711 may be located in the first groove 7141 of the first pin housing 714.
  • the first barrel 7111 of the first probe pin 711 may be located in the second area 7142H2 of the first pin hole 7142.
  • the first connection portion 7113 of the first probe pin 711 may be located in the third area 7142H3 of the first pin hole 7142, and may be located rearward from the rear surface 714S2 of the first pin housing 714. It may protrude.
  • the second probe pin 712 may be coupled to the first pin housing 714.
  • the second plunger head 7122H of the second probe pin 712 may be located in the first area 7143H1 of the second pin hole 7143.
  • the second plunger head 7122H of the second probe pin 712 may be located in the first groove 7141 of the first pin housing 714.
  • the second barrel 7121 of the second probe pin 712 may be located in the second area 7143H2 of the second pin hole 7143.
  • the second connection portion 7123 of the second probe pin 712 may be located in the third area 7143H3 of the second pin hole 7143, and may be located rearward from the rear surface 714S2 of the first pin housing 714. It may protrude.
  • the third probe pin 713 may be coupled to the first pin housing 714.
  • the third plunger head 7132H of the third probe pin 713 may be located in the first area 7144H1 of the third pin hole 7144.
  • the third plunger head 7132H of the third probe pin 713 may be located in the first groove 7141 of the first pin housing 714.
  • the third barrel 7131 of the third probe pin 713 may be located in the second area 7144H2 of the third pin hole 7144.
  • the third connection portion 7133 of the third probe pin 713 may be located in the third area 7144H3 of the third pin hole 7144, and may be located rearward from the rear surface 714S2 of the first pin housing 714. It may protrude.
  • the fourth probe pin 721 may be coupled to the second pin housing 724.
  • the fourth plunger head 7212H of the fourth probe pin 721 may be located in the first area 7242H1 of the fourth pin hole 7242.
  • the fourth plunger head 7222H of the fourth probe pin 721 may be located in the second groove 7241 of the second pin housing 724.
  • the fourth barrel 7211 of the fourth probe pin 721 may be located in the second area 7242H2 of the fourth pin hole 7242.
  • the fourth connection portion 7213 of the fourth probe pin 721 may be located in the third area 7242H3 of the fourth pin hole 7242, and may be located rearward from the rear surface 724S2 of the second pin housing 724. It may protrude.
  • the fifth probe pin 722 may be coupled to the second pin housing 724.
  • the fifth plunger head 7222H of the fifth probe pin 722 may be located in the first area 7243H1 of the fifth pin hole 7243.
  • the fifth plunger head 7222H of the fifth probe pin 722 may be located in the second groove 7241 of the second pin housing 724.
  • the fifth barrel 7221 of the fifth probe pin 722 may be located in the second area 7243H2 of the fifth pin hole 7243.
  • the fifth connection portion 7223 of the fifth probe pin 722 may be located in the third area 7243H3 of the fifth pin hole 7243, and may be located rearward from the rear surface 724S2 of the second pin housing 724. It may protrude.
  • the sixth probe pin 723 may be coupled to the second pin housing 724.
  • the sixth plunger head 7232H of the sixth probe pin 723 may be located in the first area 7244H1 of the sixth pin hole 7244.
  • the sixth plunger head 7232H of the sixth probe pin 723 may be located in the second groove 7241 of the second pin housing 724.
  • the sixth barrel 7231 of the sixth probe pin 723 may be located in the second area 7244H2 of the sixth pin hole 7244.
  • the sixth connection portion 7233 of the sixth probe pin 723 may be located in the third area 7244H3 of the sixth pin hole 7244, and may be located rearward from the rear surface 724S2 of the second pin housing 724. It may protrude.
  • the first pin 71 may be mounted on the second substrate 73
  • the second pin 72 may be mounted on the second substrate 73.
  • the first to third connection portions 7113, 7123, and 7133 of the first pin 71 may be inserted into the first to third holes 731, 732, and 733 of the second substrate 73, and the second It may protrude backward from the back of the substrate 73.
  • the fourth to sixth connection portions 7213, 7223, and 7233 of the second pin 72 may be inserted into the fourth to sixth holes 734, 735, and 736 of the second substrate 73, and the second It may protrude backward from the back of the substrate 73.
  • the first pin 71 and the second pin 72 can be electrically connected to the second substrate 73, and the power transmitted from the power transmission unit 81 (see FIG. 19) is connected to the second substrate 73. ) can be transmitted to the first and second pins 71 and 72.
  • the pin assembly 70 may be coupled to the terminal assembly 60.
  • the pin assembly 70 may be in contact with the terminal assembly 60 to be electrically connected.
  • the probe pins (711, 712, 713, 721, 722, 723) and the rods (612, 613, 614, 622, 623, 624) are all in contact, the current flows through the pin assembly 70 to the terminal assembly ( 60).
  • the first to sixth probe pins (711, 712, 713, 721, 722, and 723) contact the first to sixth rods (612, 613, 614, 622, 623, and 624), current may flow. .
  • the first probe pin 711 is in contact with the first rod 612
  • the second probe pin 712 is in contact with the second rod 613
  • the third probe pin 713 is in contact with the third rod 614.
  • the first probe pin 711 and the second probe pin 712 may contact the first rod 612 and the second rod 613 at almost the same time.
  • the third probe pin 713 may contact the third rod 614 later than the first and second probe pins 711 and 712 due to the step structure of the first terminal 61.
  • the fourth probe pin 721 is in contact with the fourth rod 622
  • the fifth probe pin 722 is in contact with the fifth rod 623
  • the sixth probe pin 723 is in contact with the sixth rod 624.
  • the fourth probe pin 721 and the fifth probe pin 722 may contact the fourth rod 622 and the fifth rod 623 at almost the same time.
  • the sixth probe pin 723 may contact the sixth rod 624 later than the fourth and fifth probe pins 721 and 722 due to the step structure of the second terminal 62.
  • first probe pin, second probe pin, third probe pin, and fourth probe pin (711, 712, 721, 722) are connected to the first rod, second rod, fourth rod, and fifth rod (612, Current does not flow even if each of 613, 622, and 623 is contacted, and the third probe pin 713 and sixth probe pin 723 must be fastened to the third rod 614 and the sixth rod 624 to flow. (See Figure 29).
  • the first probe pin, second probe pin, fourth probe pin, and fifth probe pin (711, 712, 721, 722) are respectively connected to the first rod, second rod, and first probe pin.
  • the third rod and the fourth rod (612, 613, 622, and 623) see 'b' in Figure 29(B)
  • high contact resistance may occur in the probe pins (711, 712, 721, and 722).
  • the pin assembly 70 is moved toward the terminal assembly 60 and the plunger heads of the probe pins 711, 712, 721, and 722 reach the working height (WH) (' in FIG. 29(B) c' and FIG. 27)
  • the contact resistance can be stabilized.
  • the current is conducted after the contact resistance is stabilized, thereby preventing sparks from occurring at the contact area between the pin assembly 70 and the terminal assembly 60.
  • the terminal assembly 60 includes a first substrate 63, a first terminal 61, a second terminal 62, a first button 641, and a second button 642. may include.
  • the first terminal 61 and the second terminal 62 may be mounted on the first substrate 63.
  • the first terminal 61 and the second terminal 62 may protrude rearward from the back of the first substrate 63.
  • the first button 641 and the second button 642 may be mounted on the first substrate 63.
  • the first button 641 may be located adjacent to the first terminal 61, and the second button 642 may be located adjacent to the second terminal 62.
  • the first button 641 may be located above the first terminal 61, and the second button 642 may be located above the second terminal 62.
  • the first button 641 may protrude rearward from the back of the first substrate 63.
  • the second button 642 may protrude rearward from the back of the first substrate 63.
  • the protrusion height of the first button 641 may be lower than the protrusion height of the first terminal 61, and the protrusion height of the second button 642 may be lower than the protrusion height of the second terminal 62. That is, a step may be formed between the first button 641 and the first terminal 61, and a step may be formed between the second button 642 and the second terminal 62.
  • the pin assembly 70 may include a first pin 71, a second pin 72, and a second substrate 73.
  • the first pin 71 may be mounted on the second substrate 73.
  • the second pin 72 may be mounted on the second substrate 73.
  • the second substrate 73 can receive external power from the power transmission unit 81.
  • the first terminal 61 may be aligned with the first pin 71 of the pin assembly 70.
  • the first button 641 may be aligned with the first pin 71 of the pin assembly 70.
  • the first pin 71 may be combined with and contact the first terminal 61.
  • the first switch SW1 in the circuit diagram of FIG. 32 may be switched on.
  • the first pin 71 can press the first button 641 when combined with the first terminal 61.
  • the first pin 71 is first contacted and combined with the first terminal 61 and then contacts the first button 641 to press the first button 641.
  • the first button 641 can be switched on (see SW 2 in FIG. 32).
  • the second terminal 62 may be aligned with the second pin 72 of the pin assembly 70.
  • the second button 642 may be aligned with the second pin 72 of the pin assembly 70.
  • the second pin 72 may be coupled to the second terminal 62.
  • the first switch SW1 in the circuit diagram of FIG. 32 may be switched on.
  • the second pin 72 can press the second button 642 when combined with the second terminal 62.
  • the second pin 72 is first contacted and combined with the second terminal 62 and then comes into contact with the second button 642 so that the second button 642 can be pressed.
  • the second button 642 can be switched on (see SW 2 in FIG. 32).
  • a display device includes: a head 10 having a display panel 11; A stand (20, 30, 40, 50) that supports the head (10) and is detachably coupled to the head (10); and a connector (60) located between the head (10) and the stand (20, 30, 40, 50) and electrically connecting the head (10) and the stand (20, 30, 40, 50).
  • the connectors 60, 70 include: a terminal assembly 60 coupled to the head 10 and including a terminal 61; and a pin assembly coupled to the stand (20, 30, 40, 50) and including a pin (71) aligned with the terminal (61), wherein the terminal (61) is formed to have a first length: first load 612; and a second rod 614 formed to a second length smaller than the first length and having a diameter smaller than the diameter of the first rod 612, wherein the pin 71 includes: the first rod ( A first probe pin 711 in contact with 612); And it may include a second probe pin 713 that contacts the second rod 614 and has one end located on the same surface as one end of the first probe pin 711.
  • the second rod 614 may be located ahead of the first rod 612.
  • the terminal assembly 60 further includes a housing 611 accommodating the first rod 612 and the second rod 614, and the housing 611 includes: the first rod of the housing 611.
  • a first rod hole 6111 formed through the surface 611S1 and the second surface 611S2 and into which the first rod 612 is inserted;
  • a first groove that is formed by being recessed from the first surface 611S1 of the housing 611 and includes a third surface 611S3 that is stepped relative to the first surface 611S1 of the housing 611. (611G); and a second rod hole formed through the third surface 611S3 of the first groove 611G and the second surface 611S2 of the housing 611, into which the second rod 614 is inserted.
  • first rod 612 wherein one surface of the first rod 612 is located on the same side as the first surface 611S1 of the housing 611, and one surface of the second rod 614 is located on the same surface as the first surface 611S1 of the housing 611.
  • second rod 614 may be located on the same surface as the third surface 611S3.
  • the first probe pin 711 includes: a barrel 7111 including an opening at one end and a space formed therein; A plunger 7112 coupled to the opening of the barrel 7111, including a plunger body 7112B located inside the barrel 7111, extending from the plunger body 7112B and forming a portion of the barrel 7111. A plunger 7112 located externally and including a plunger head 7112H having a smaller diameter than the plunger body 7112B; An elastic member 7114 located inside the barrel 7111 and elastically supporting the plunger 7112, one end of which is coupled to the other end 7111E of the barrel 7111, and the other end of the plunger body 7112B. ) may include an elastic member 7114 coupled to the.
  • the pin assembly 70 further includes a pin housing 714 accommodating the first probe pin 711 and the second probe pin 713, and the pin housing 714 includes: the pin housing ( A second surface 7141S that is formed by being recessed from the first surface 714S1 of the pin housing 714, into which the terminal assembly 60 is inserted, and is located rearward of the first surface 714S1 of the pin housing 714.
  • the other end 7111E of the barrel 7111 has a diameter larger than the diameter of the barrel 7111, and the first pin hole 7142 has a first diameter D1, and the plunger head 7112H Located in the first area (7142H1); a second area (7142H2) extending from the first area (7142H1), having a second diameter (D2) larger than the first diameter (D1), and where the barrel (7111) is located; and a second area (7142H2) extending from the second area (7142H2), having a third diameter (D3) larger than the second diameter (D2), and located ahead of the third surface (714S2) of the pin housing (714).
  • It includes four sides and includes a third area 7142H3 where the other end 7111E of the barrel 7111 is located, and the other end 7111E of the barrel 7111 is located at the fourth area 7111E of the pin housing 714. It may contact the surface and protrude rearward from the third surface 714S2.
  • the head 10 includes: a back cover 15 that forms the rear of the head 10 and includes a mount groove 15G in which the terminal assembly 60 is located, and the mount groove 15G Silver: first mount part (151); a second mount part 152 formed by pressing forward from the first mount part 151; and a second mount part 152 that protrudes backward from the back cover 15 and extends along the circumference of the first mount part 151. It includes three mount parts 153, wherein the second mount part 152 is: formed through the second mount part 152, aligned with the terminal 61, and configured to connect the terminal 61 to the terminal 61. It may include a terminal hole 155a exposed to the rear of the back cover 15.
  • the stand (20, 30, 40, 50) is coupled to the mount groove (15G) and includes a mount (54) on which the pin assembly (70) is located, and the mount (54) includes: the mount groove (15G).
  • the connectors 60 and 70 include: a first substrate 63 located between the display panel 11 and the back cover 15 and on which the terminal 61 is mounted; and a second substrate 73 located between the front mount 542 and the rear mount 541 and on which the pin 71 is mounted, wherein the pin 71 forms the pin hole 7142. It may penetrate through and protrude toward the front of the front mount 542.
  • the mount groove 15G is formed by being recessed forward from the second mount part 152 and includes a coupling groove 154a forming a perimeter of the terminal hole 155a, and the terminal 61 is It is located in the coupling groove 154a through the terminal hole 155a, and the pin 71 can be inserted into the coupling groove 154a.
  • the pin assembly 70 includes a connection portion 7113 that protrudes from the other end 7111E of the barrel 7111 and is connected to the second substrate 73, and a power transmission portion that transmits the external power ( 81 and 82 may be electrically connected to the second substrate 73 at the rear of the second substrate 73 .
  • the mount groove 15G is formed by being recessed from the front of the second mount part 152 to the rear and includes a first magnet groove into which the first magnet M1 is inserted, and the mount 54 is: It is formed by being recessed from the rear of the front mount 542 to the front, and may include a second magnet groove into which a second magnet (M2) facing the first magnet (M1) is inserted.
  • the terminal 61 further includes a third rod 613 formed in the first length and having one surface positioned on the same surface as the first rod 612, wherein the first rod 612 , the second rod 614, and the third rod 613 are arranged vertically in order, and the second rod 614 is connected to the first rod 612 and the third rod 613. It can be located eccentrically to one side.
  • the second probe pin 713 is in contact with the second load 614 after the first probe pin 711 is in contact with the first load 612, and the current is generated through the second probe pin ( 713) can be applied when it contacts the second rod 614.
  • the second probe pin 713 is in contact with the second load 614 after the contact resistance generated when the first probe pin 711 is in contact with the first load 612 is stabilized, and the current Can be applied when the second probe pin 713 contacts the second rod 614.
  • configuration A described in a particular embodiment and/or drawing may be combined with configuration B described in other embodiments and/or drawings.
  • configuration A described in a particular embodiment and/or drawing may be combined with configuration B described in other embodiments and/or drawings.

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Abstract

Un dispositif d'affichage est divulgué. Le dispositif d'affichage selon la présente divulgation peut comprendre : une tête qui est pourvue d'un écran d'affichage ; un support qui supporte la tête et qui est couplé de manière amovible à la tête ; et un connecteur qui est disposé entre la tête et le support et connecte électriquement la tête et le support l'un à l'autre : le connecteur comprenant un ensemble borne qui est couplé à la tête et comprend une borne, et un ensemble broche qui est couplé au support et comprend une broche alignée avec la borne ; la borne comprenant une première tige qui est formée avec une première longueur, et une seconde tige qui est formée avec une seconde longueur inférieure à la première longueur et a un diamètre plus petit que le diamètre de la première tige ; et la broche comprenant une première broche de sonde qui vient en contact avec la première tige, et une seconde broche de sonde qui vient en contact avec la seconde tige et dont une extrémité est positionnée sur le même plan qu'une extrémité de la première broche de sonde.
PCT/KR2023/011470 2022-11-16 2023-08-04 Dispositif d'affichage WO2024106690A1 (fr)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050000124A (ko) * 2003-06-23 2005-01-03 삼성에스디아이 주식회사 디스플레이 장치용 스탠드 및 이를 갖는 디스플레이 장치
JP2017054773A (ja) * 2015-09-11 2017-03-16 日本電産リード株式会社 接続治具、基板検査装置、及び接続治具の製造方法
KR20190097285A (ko) * 2017-01-05 2019-08-20 랩 498 프로덕츠 인크. 저항 감지를 사용하는 전력 커넥터
KR20200005042A (ko) * 2018-07-05 2020-01-15 박상량 안정적 접촉을 보장하는 커넥터 핀
KR20220027306A (ko) * 2020-08-26 2022-03-08 주식회사 텔콘알에프제약 동축 커넥터

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2606554Y2 (ja) * 1992-01-17 2000-11-27 株式会社東京精密 プロービング装置
US7230437B2 (en) * 2004-06-15 2007-06-12 Formfactor, Inc. Mechanically reconfigurable vertical tester interface for IC probing
CN105453244B (zh) * 2013-05-14 2018-04-06 佛姆法克特股份有限公司 可互换探针头的自动附接和拆卸
KR102308450B1 (ko) * 2020-03-31 2021-10-05 엘지전자 주식회사 디스플레이 장치
KR102344046B1 (ko) * 2020-03-31 2021-12-28 엘지전자 주식회사 디스플레이 장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050000124A (ko) * 2003-06-23 2005-01-03 삼성에스디아이 주식회사 디스플레이 장치용 스탠드 및 이를 갖는 디스플레이 장치
JP2017054773A (ja) * 2015-09-11 2017-03-16 日本電産リード株式会社 接続治具、基板検査装置、及び接続治具の製造方法
KR20190097285A (ko) * 2017-01-05 2019-08-20 랩 498 프로덕츠 인크. 저항 감지를 사용하는 전력 커넥터
KR20200005042A (ko) * 2018-07-05 2020-01-15 박상량 안정적 접촉을 보장하는 커넥터 핀
KR20220027306A (ko) * 2020-08-26 2022-03-08 주식회사 텔콘알에프제약 동축 커넥터

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