WO2024043481A1 - Dispositif d'affichage - Google Patents

Dispositif d'affichage Download PDF

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Publication number
WO2024043481A1
WO2024043481A1 PCT/KR2023/008923 KR2023008923W WO2024043481A1 WO 2024043481 A1 WO2024043481 A1 WO 2024043481A1 KR 2023008923 W KR2023008923 W KR 2023008923W WO 2024043481 A1 WO2024043481 A1 WO 2024043481A1
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WO
WIPO (PCT)
Prior art keywords
base
back cover
hole
frame
display device
Prior art date
Application number
PCT/KR2023/008923
Other languages
English (en)
Korean (ko)
Inventor
김기환
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 WO2024043481A1 publication Critical patent/WO2024043481A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • G09F9/335—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes being organic light emitting diodes [OLED]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
    • H04N5/645—Mounting of picture tube on chassis or in housing
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H10K50/84—Passivation; Containers; Encapsulations

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 Diodes
  • the present disclosure aims to solve the above-described problems and other problems.
  • Another purpose may be to provide a coupling structure for the back cover to the frame of the display device.
  • Another purpose may be to provide a display device that can secure sufficient rigidity of the holder to which the back cover is coupled.
  • Another purpose may be to provide a display device that can minimize thermal deformation of the holder to which the back cover is coupled.
  • Another purpose may be to provide a display device that can prevent a back cover coupled to the holder from being separated from the holder.
  • Another purpose may be to provide a display device that can reduce electro magnetic interference (EMI) noise.
  • EMI electro magnetic interference
  • Another purpose may be to provide an EMI noise reduction structure between the holder and the back cover.
  • Another purpose may be to provide an EMI noise reduction structure that can improve EMI contact instability.
  • Another goal may be to provide an EMI noise reduction structure that can increase EMI contact points.
  • a display panel a frame located behind the display panel; a holder located behind the frame and coupled to the frame; and a back cover coupled to the holder and covering the rear of the frame
  • the holder includes: a base that contacts the frame and is coupled to the frame; It is coupled to the base, protrudes toward the rear of the base, and includes a contact portion that contacts the inner surface of the back cover.
  • a structure for coupling a back cover to a frame of a display device can be provided.
  • a display device capable of ensuring sufficient rigidity of a holder to which a back cover is coupled can be provided.
  • a display device capable of minimizing thermal deformation of a holder to which a back cover is coupled can be provided.
  • a display device capable of preventing a back cover coupled to a holder from being separated from the holder can be provided.
  • a display device capable of reducing electro magnetic interference (EMI) noise can be provided.
  • EMI electro magnetic interference
  • an EMI noise reduction structure between a holder and a back cover can be provided.
  • an EMI noise reduction structure that can improve EMI contact instability can be provided.
  • an EMI noise reduction structure that can increase EMI contact points can be provided.
  • FIGS. 1 to 21 are diagrams showing examples of display devices according to embodiments of the present disclosure.
  • the display device 100 may include a display panel 110.
  • the display panel 110 can display images.
  • the display device 100 has a first long side (LS1), a second long side (LS2) opposite the first long side (LS1), a first long side (LS1), and a second long side (LS2). It may include a first short side (SS1) adjacent to and a second short side (SS2) opposite the first short side (SS1).
  • LS1, LS2 first short side
  • 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 parallel to the long sides (LS1, LS2) of the display device 100 may be referred to as the first direction (DR1) or the left and right direction (LR).
  • the direction parallel to the short sides (SS1, SS2) of the display device 100 may be referred to as the second direction (DR2) or the up-down direction (UD).
  • the direction perpendicular to the long sides (LS1, LS2) and short sides (SS1, SS2) of the display device 100 may be referred to as the third direction (DR3) or the forward/backward direction (FR).
  • the direction in which the display panel 110 displays an image may be referred to as the front, and the opposite direction may be referred to as the rear.
  • the first long side (LS1) can be called the upper side or upper side.
  • the second long side (LS2) can be called the lower or lower side.
  • the first short side (SS1) can be referred to as the left or seat surface.
  • the second short side (SS2) can be called the right side or the right side.
  • 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 display device 100. 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 long side (LS1) and the first short side (SS1) meet can be referred to as the first corner (C1).
  • the point where the first short side (SS1) and the second long side (LS2) meet can be referred to as the second corner (C2).
  • the point where the second long side (LS2) and the second short side (SS2) meet can be called the third corner (C3).
  • the point where the second short side (SS2) and the first long side (LS1) meet can be called the fourth corner (C4).
  • the display device 100 including the display panel 110 as an LCD panel will be described as an example with reference to FIGS. 2 to 4.
  • the display device 100 according to the present disclosure is an OLED panel as the display panel 110.
  • a variety of panels can be provided.
  • the display device 100 may include a front cover 105.
  • the front cover 105 may cover at least a portion of the front and side areas of the display panel 110.
  • the front cover 105 can be divided into a front cover located in front of the display panel 110 and a side cover located on the side.
  • the front cover and side cover can be configured separately. Either the front cover or the side cover may be omitted.
  • Display device 100 may include a display panel 110.
  • the display panel 110 may be a liquid crystal display (LCD) panel.
  • the display panel 110 is provided on the front of the display device 100 and can display images.
  • the display panel 110 can display an image by having a plurality of pixels output RGB (Red, Green or Blue) for each pixel in accordance with the timing.
  • RGB Red, Green or Blue
  • the display panel 110 may be divided into an active area where an image is displayed and a de-active area where an image is not displayed.
  • the display panel 110 may include a front substrate and a rear substrate that face each other with a liquid crystal layer interposed therebetween.
  • the front substrate may include a plurality of pixels consisting of red, green, and blue sub-pixels.
  • the front board can output light corresponding to the colors of red, green, or blue depending on the control signal.
  • the rear substrate may include switching elements.
  • the rear substrate can switch the pixel electrode.
  • the pixel electrode can change the molecular arrangement of the liquid crystal layer according to an externally input control signal.
  • the liquid crystal layer may include liquid crystal molecules. The arrangement of liquid crystal molecules can change in response to the voltage difference generated between the pixel electrode and the common electrode.
  • the liquid crystal layer may transmit light provided from the backlight unit 120 to the front substrate or block it.
  • the display device 100 may include a guide panel 117.
  • the guide panel 117 may be located behind the display panel 110.
  • the guide panel 117 may support a portion of the rear side of the display panel 110.
  • the guide panel 117 may contact the outside of the display panel 110.
  • the guide panel 117 may be coupled to the frame 130, which will be described later.
  • Display device 100 may include a backlight unit 120.
  • the backlight unit 120 may be located behind the display panel 110.
  • the backlight unit 120 may include light sources.
  • the backlight unit 120 may be coupled to the frame 130 in front of the frame 130.
  • the backlight unit 120 may be driven in a full driving mode.
  • the backlight unit 120 may be driven in a partial driving manner.
  • the backlight unit 120 may be driven by a partial driving method such as local dimming, impulsive, etc.
  • the backlight unit 120 may include an optical sheet 125 and an optical layer 123.
  • the optical sheet 125 can ensure that light from the light source is evenly transmitted to the display panel 110.
  • the optical sheet 125 may be composed of a plurality of layers.
  • the optical sheet 125 may include a prism sheet, a diffusion sheet, etc.
  • the optical sheet 125 may include a coupling portion 125d.
  • the coupling portion 125d may be coupled to the front cover 105, frame 130, and/or back cover 150.
  • the coupling portion 125d may be fastened to a structure formed or coupled to the front cover 105, frame 130, and/or back cover 150.
  • Display device 100 may include a frame 130.
  • the frame 130 may be located behind the display panel 110.
  • Frame 130 may support some components of display device 100.
  • the backlight unit 120, a printed circuit board (PCB) on which a plurality of electronic devices are mounted, etc. may be coupled to or fixed to the frame 130.
  • Frame 130 may include a metal material.
  • the frame 130 may include a metal material such as stainless steel, aluminum alloy, or electro galvanized coil (EGI).
  • Frame 130 may be called a main frame, inner frame, or module cover.
  • the display device 100 may include a back cover 150.
  • the back cover 150 may form the rear of the display device 100.
  • the back cover 150 may cover the rear of the frame 130.
  • the back cover 150 may be coupled to the frame 130 and/or the front cover 105.
  • the back cover 150 may include a metal material.
  • the backlight unit 120 may include an optical layer 123.
  • the optical layer 123 may include a substrate 122 .
  • the substrate 122 may extend in the left and right direction (LR).
  • the substrate 122 may be provided in the form of a strap.
  • the substrate 122 may include a plurality of substrates 122 .
  • the plurality of substrates 122 may be spaced apart from each other in the vertical direction (UD).
  • At least one optical assembly 124 may be mounted on the substrate 122.
  • An electrode pattern may be formed on the substrate 122 to connect the adapter and the optical assembly 124.
  • a carbon nanotube electrode pattern may be formed on the substrate 122 to connect the optical assembly 124 and the adapter.
  • the substrate 122 may be composed of at least one of polyethylene terephthalate (PET), glass, polycarbonate (PC), and silicon.
  • the substrate 122 may be a printed circuit board (PCB) on which at least one optical assembly 124 is mounted.
  • PCB printed circuit board
  • the optical layer 123 may include an optical assembly 124 .
  • the optical assembly 124 may be a light emitting diode (LED) chip.
  • the optical assembly 124 may be a light emitting diode package including at least one light emitting diode chip.
  • the light assembly 124 may be a colored LED that emits at least one color such as red, green, and blue, or a white LED.
  • the colored LED may include at least one of red LED, green LED, and blue LED.
  • the optical layer 123 may include a reflective sheet 126.
  • the reflective sheet 126 may be located in front of the substrate 122.
  • the reflective sheet 126 may include a through hole 235.
  • An optical assembly 124 may be disposed in the through hole 235 .
  • the through hole 235 may include a plurality of through holes 235 .
  • the reflective sheet 126 may reflect light emitted from the optical assembly 124 or reflected from the diffusion plate 129 forward.
  • the reflective sheet 126 may include metal and/or metal oxide with high reflectivity. for example.
  • the reflective sheet 126 may include at least one of aluminum (Al), silver (Ag), gold (Au), and titanium dioxide (TiO2).
  • the optical layer 123 may include a diffusion plate 129.
  • the diffusion plate 129 may be located in front of the reflective sheet 129.
  • the diffusion plate 129 may be located between the reflective sheet 126 and the optical sheet 125.
  • An air gap may be formed between the reflective sheet 126 and the diffusion plate 129.
  • the air gap may function as a buffer to allow light emitted from the optical assembly 124 to spread widely.
  • a supporter 220 may be positioned between the reflective sheet 126 and the diffusion plate 129 to form an air gap.
  • the backlight unit 120 may include an optical sheet 125.
  • the optical sheet 125 may be located in front of the optical layer 123.
  • the optical sheet 125 may include at least one sheet.
  • the optical sheet 125 may include one or more prism sheets and/or one or more diffusion sheets. A plurality of sheets included in the optical sheet 125 may be adhered and/or in close contact with each other.
  • the optical sheet 125 may be composed of a plurality of sheets with different functions.
  • the optical sheet 125 may include a first optical sheet 125a, a second optical sheet 125b, and a third optical sheet 125c.
  • the first optical sheet 125a may be a diffusion sheet
  • the second optical sheet 125b and the third optical sheet 125c may be prism sheets.
  • the number and/or location of diffusion sheets and prism sheets may be changed.
  • the diffusion sheet can prevent the light coming from the diffusion plate 129 from being partially concentrated, thereby making the distribution of light more uniform.
  • the prism sheet can condense the light coming from the diffusion plate 129 and provide it to the display panel 110.
  • the light source of the backlight unit 120' may be placed at the edge.
  • the backlight unit 120' includes a substrate 122', at least one optical assembly 124', an optical layer 123' including a reflective sheet 126' and a light guide plate 128', and an optical layer 123. ') may include an optical sheet 125 located in front of the
  • the substrate 122' extends in the left and right direction (LR) and may be adjacent to the lower side of the light guide plate 128'.
  • At least one optical assembly 124' may be mounted on the substrate 122'. Accordingly, most of the light emitted from the light assembly 124' may be transmitted to the inside of the light guide plate 128'.
  • the light guide plate 128' may reflect light incident from the light assembly 124' forward.
  • a diffusion plate 129' may be provided in front of the light guide plate 128'.
  • the reflective sheet 126' may be located behind the light guide plate 128'.
  • the reflective sheet 126' may reflect light emitted from the light assembly 124' or reflected from the light guide plate 128' forward.
  • An air gap may be formed between the light guide plate 128' and the optical sheet 125.
  • the air gap may function as a buffer to allow light emitted from the optical assembly 124' to spread widely.
  • the optical sheet 125 may be located in front of the light guide plate 128'.
  • the back of the optical sheet 125 may be in close contact with the light guide plate 128', and the front of the optical sheet 125 may be in close contact with the back of the display panel 110.
  • the coupling portion 125d may be formed on at least one corner of the optical sheet 125.
  • the coupling portion 125d may be formed on at least one of the first optical sheet 125a, the second optical sheet 125b, and the third optical sheet 125c.
  • a plurality of electronic components may be installed on the frame 130.
  • the plurality of electronic components may be coupled or fixed to the rear of the frame 130.
  • the plurality of electronic components include a power supply board (P) that provides power to each component of the display device 100, and timing that provides an image signal to the display panel 110 (see FIG. 1). It may include a controller board (T, timing controller board), and a main board (M, main board) that controls each component of the display device 100.
  • the timing controller board (T) may be connected to the display panel 110 through FFC cables (FC1 and FC2).
  • a plurality of electronic components may be electrically connected to each other or to each component of the display device 100.
  • the frame 130 may be formed in a square plate shape.
  • the upper side 130LS1 of the frame 130 may extend in the left and right directions (LR).
  • the lower side 130LS2 of the frame 130 may extend in the left and right direction (LR).
  • the lower side 130LS2 of the frame 130 may face the upper side 130LS1.
  • the left side (130SS1) of the frame 130 may extend in the vertical direction (UD).
  • the left side (130SS1) of the frame 130 may connect the upper side (130LS1) and the lower side (130LS2).
  • the right side (130SS2) of the frame 1300 may extend in the vertical direction (UD).
  • the right side (130SS2) may face the left side (130SS1).
  • the right side (130SS2) connects the upper side (130LS1) and the lower side (130LS2).
  • the upper side (130LS1), lower side (130LS2), left side (130SS1), and right side (130SS2) of the frame 130 may be referred to as edges of the frame 130.
  • the frame 130 may include a recessed portion 160 .
  • the depression 160 may be adjacent to an edge of the frame 130.
  • the depression 160 may include a plurality of depressions 160 .
  • the plurality of recessed portions 160 may be spaced apart from each other in the circumferential direction of the frame 130.
  • the plurality of depressions 160 may be spaced apart from each other along the edge of the frame 130.
  • the plurality of depressions 160 may include at least one of the first depression 160a, the second depression 160b, and the third depression 160c.
  • the first recessed portion 160a may be located adjacent to the upper side 130LS1 of the frame 130.
  • the first depression 160a may include a plurality of first depressions 160a.
  • the plurality of first depressions 160a may be spaced apart from each other in the left and right directions (LR) along the upper side (130LS1).
  • the second recessed portion 160b may be located adjacent to the left side 130SS1 of the frame 130.
  • the second recessed portion 160b may include a plurality of second recessed portions 160b.
  • the plurality of second depressions 160b may be spaced apart from each other in the vertical direction UD along the left side 130SS1.
  • the third recessed portion 160c may be located adjacent to the right side 130SS2 of the frame 130.
  • the third recessed portion 160c may include a plurality of third recessed portions 160c.
  • the plurality of third recessed portions 160c may be spaced apart from each other in the vertical direction (UD) along the right side (130SS2).
  • the third recessed portion 160c may overlap the second recessed portion 160b in the left and right direction (LR).
  • the plurality of third depressions 160c may have a one-to-one correspondence with the plurality of second depressions 160b.
  • the plurality of depressions 160 may further include a fourth depression (not shown).
  • the fourth depression (not shown) may be located adjacent to the lower side 130LS2 of the frame 130.
  • the fourth depression (not shown) may include a plurality of fourth depressions (not shown).
  • the plurality of fourth depressions (not shown) may be spaced apart from each other in the left and right direction (LR) along the lower side (130LS2).
  • the fourth depression (not shown) may overlap the first depression 160a in the vertical direction (UD).
  • the plurality of fourth depressions (not shown) may have a one-to-one correspondence with the plurality of first depressions 160a.
  • the depression 160 may include a body 161 .
  • the body 161 may be formed by being depressed from the front of the frame 130 to the rear.
  • the body 161 may include a first body 161a.
  • the first body 161a may be located rearward than the front of the frame 130.
  • the first body 161a may have a flat shape.
  • Body 161 may include a second body 161b.
  • the second body 161b may be located between the front of the frame 130 and the first body 161a.
  • the second body 161b may connect the front of the frame 130 and the first body 161a.
  • the second body 161b may be inclined or extended vertically with respect to the front surface of the frame 130.
  • the depression 160 may include a hole 162.
  • the hole 162 may be formed by penetrating the body 161 in the front-to-back direction (FR).
  • the hole 162 may be formed in the first body 161a.
  • the hole 162 may be formed by penetrating the center of the first body 161a in the front-to-back direction (FR).
  • the hole 162 may be located between the first protrusion 163a and the second protrusion 163b, which will be described later.
  • the recessed part 164 may include a tapping part 164 (see FIG. 11).
  • the tapping part 164 may define the boundary of the hole 162.
  • the tapping part (164, tapping part, see FIG. 11) may have threads formed on its inner peripheral surface.
  • the depression 160 may include a protrusion 163.
  • the protrusion 163 may protrude rearward from the rear of the body 161.
  • the protrusion 163 may protrude rearward from the back of the first body 161a.
  • the protrusion 163 may be formed in the shape of a solid cylinder.
  • the protrusion 163 may include a plurality of protrusions 163.
  • the plurality of protrusions 163 may include a first protrusion 163a and a second protrusion 163b that are spaced apart from each other with a hole 162 in between.
  • the first depression 160a may include a first protrusion 163a and a second protrusion 163b that are spaced apart from each other in the left and right direction (LR).
  • the second depression 160b may include a first protrusion 163a and a second protrusion 163b that are spaced apart from each other in the vertical direction (UD).
  • the third depression 160c may include a first protrusion 163a and a second protrusion 163b that are spaced apart from each other in the vertical direction (UD).
  • the fourth depression (not shown) may include a first protrusion 163a and a second protrusion 163b that are spaced apart from each other in the left and right direction (LR).
  • the depression 160 may be referred to as a forming part 160
  • the protrusion 163 may be referred to as an emboss 163.
  • the display device 100 may include a holder 170.
  • the holder 170 may be referred to as a bracket or mount.
  • the holder 170 may be located rearward of the frame 130.
  • the holder 170 may be coupled to the rear of the frame 130.
  • the holder 170 may be coupled to the recessed portion 160.
  • the holder 170 may be detachably coupled to the recessed portion 160.
  • the holder 170 may include bases 171 and 172 .
  • Bases 171 and 172 may extend long.
  • the longitudinal direction of the bases 171 and 172 is parallel to the left and right direction (LR). It may be (see Figure 5).
  • the longitudinal direction of the bases 171 and 172 is parallel to the up and down direction (UD).
  • the thickness direction of the bases 171 and 172 may be a direction that intersects the longitudinal direction of the bases 171 and 172.
  • the thickness direction of the bases 171 and 172 may be parallel to the front-back direction (FR).
  • the bases 171 and 172 may include a second base 172.
  • the second base 172 may be coupled to the first body 161a.
  • the second base 172 may be coupled to the rear of the first body 161a.
  • the second base 172 may contact the rear of the first body 161a.
  • the second base 172 may extend long.
  • the second base 172 may be a flat plate.
  • the second base 172 may be formed in a shape corresponding to the first body 161a.
  • the second base 172 may be formed in a rectangular shape with long sides formed in the longitudinal direction of the base 172.
  • a first hole 172a may be formed in the second base 172.
  • the first hole 172a of the second base 172 may be formed by penetrating the second base 172 in the front-to-back direction (FR).
  • a second hole 172b may be formed in the second base 172.
  • the second hole 172b of the second base 172 may be formed by penetrating the second base 172 in the front-to-back direction (FR).
  • the second hole 172b of the second base 172 may be spaced apart from the first hole 172a of the second base 172 in the longitudinal direction of the second base 172.
  • a third hole 172c may be formed in the second base 172.
  • the third hole 172c of the second base 172 may be formed by penetrating the second base 172 in the front-to-back direction (FR).
  • the third hole 172c of the second base 172 may be formed in the center of the second base 172.
  • the third hole 172c of the second base 172 may be located between the first hole 172a and the second hole 172b of the second base 172.
  • the first to third holes 172a, 172b, and 172c of the second base 172 may be spaced apart from each other in the longitudinal direction of the second base 172.
  • the bases 171 and 172 may include a first base 171.
  • the first base 171 may be located behind the second base 172 and may be in contact with the second base 172. That is, the first base 171 and the second base 172 may overlap each other in the front-to-back direction (FR).
  • the first base 171 may be in contact with the second base 172.
  • the first base 171 may face the rear of the first body 161a with respect to the second base 172.
  • the first base 171 may include a center part 1711.
  • the center part 1711 may contact the second base 172 from the rear of the second base 172.
  • the center part 1711 may extend long in the same direction as the longitudinal direction of the second base 172.
  • the length of the center part 1711 in the longitudinal direction may be equal to the length of the second base 172 in the longitudinal direction.
  • the center part 1711 may be formed in a shape corresponding to the second base 172.
  • the center part 1711 may be formed in a rectangular shape with long sides formed in the longitudinal direction of the center part 1711.
  • a first hole 1711a may be formed in the center part 1711.
  • the first hole 1711a of the center part 1711 may be formed by penetrating the center part 1711 in the front-to-back direction (FR).
  • the first hole 1711a of the center part 1711 may be aligned with the first hole 172a of the second base 172 in the front-to-back direction (FR).
  • a second hole 1711b may be formed in the center part 1711.
  • the second hole 1711b of the center part 1711 may be formed by penetrating the center part 1711 in the front-to-back direction (FR).
  • the second hole 1711b of the center part 1711 may be aligned with the second hole 172c of the second base 172 in the front-to-back direction (FR).
  • a third hole 1711c may be formed in the center part 1711.
  • the third hole 1711c of the center part 1711 may be formed by penetrating the center part 1711 in the front-to-back direction (FR).
  • the third hole 1711c of the center part 1711 may be formed in the center of the center part 1711.
  • the third hole 1711c of the center part 1711 may be aligned with the third hole 172c of the second base 172 in the front-to-back direction (FR).
  • the third hole 1711c of the center part 1711 may be located between the first hole 1711a and the second hole 1711b of the center part 1711.
  • the first to third holes 1711a, 1711b, and 1711c of the center part 1711 may be spaced apart from each other in the longitudinal direction of the center part 1711.
  • the first base 171 may include a first side part 1712.
  • the first side part 1712 may extend from one side of the center part 1711.
  • the first side part 1712 may extend from one side of the center part 1711 in the longitudinal direction of the center part 1711.
  • the length of the first side part 1712 in the longitudinal direction may be smaller than the length of the center part 1711 in the longitudinal direction.
  • the length of the first side part 1712 may be less than or equal to half the length of the center part 1711.
  • the first side part 1712 may be folded toward the rear of the center part 1711.
  • the first side part 1712 may be folded and come into contact with the rear of the center part 1711.
  • a first hole 1712a may be formed in the first side part 1712.
  • the first hole 1712a of the first side part 1712 is aligned with the first hole 1711a of the center part 1711 in the front-to-back direction (FR).
  • FR front-to-back direction
  • a 3-1 hole 1712c may be formed in the first side part 1712.
  • the 3-1 hole 1712c may be formed by penetrating the first side part 1712 in the front-to-back direction (FR).
  • the 3-1 hole 1712c may be formed by recessing from the side of the first side part 1712 toward the center part 1711.
  • the 3-1 hole 1712c may be spaced apart from the first hole 1712a of the first side part 1712.
  • the 3-1 hole 1712c may be formed in a semicircular shape. When the first side part 1712 is folded into the center part 1711, the 3-1 hole 1712c may be aligned with a portion of the third hole 1711c of the center part 1711.
  • the first base 171 may include a second side part 1713.
  • the second side part 1713 may extend from the other side located opposite to one side of the center part 1711.
  • the second side part 1713 may extend from the other side of the center part 1711 in the longitudinal direction of the center part 1711.
  • the length of the second side part 1713 in the longitudinal direction may be smaller than the length of the center part 1711 in the longitudinal direction.
  • the length of the second side part 1713 may be less than or equal to half the length of the center part 1711.
  • the length of the second side part 1713 may be the same as the length of the first side part 1712.
  • the second side part 1713 may be folded toward the rear of the center part 1711.
  • the second side part 1713 may be folded and come into contact with the rear of the center part 1711.
  • a second hole 1713b may be formed in the second side part 1713.
  • the second hole 1713b of the second side part 1713 is aligned with the second hole 1711b of the center part 1711 in the front-to-back direction (FR).
  • FR front-to-back direction
  • a 3-2 hole 1713c may be formed in the second side part 1713.
  • the 3-2 hole 1713c may be formed by penetrating the second side part 1713 in the front-to-back direction (FR).
  • the 3-2 hole 1713c may be formed by recessing from the side of the second side part 1713 toward the center part 1711.
  • the 3-2 hole 1713c may be spaced apart from the second hole 1713b of the second side part 1713.
  • the 3-2 hole 1713c may be formed in a semicircular shape.
  • the 3-2 hole 1713c may be aligned with a portion of the third hole 1711c of the center part 1711.
  • the 3-1 hole 1712c and the 3-2 hole 1713c face each other in the longitudinal direction of the center part 1711. and can be combined to form one hole.
  • the holder 170 may include guide holes 170a and 170b.
  • Guide holes 170a and 170b may be provided as many as the number of protrusions 163 (see FIG. 6).
  • the guide holes 170a and 170b include a first guide hole 170a and a second guide hole 170b that are spaced apart from each other in the longitudinal direction of the bases 171 and 172 with the coupling hole 170c in between. It can be included.
  • the bases 171 and 172 may be coupled to the first recess 160a and/or the fourth recess (not shown) (see FIG. 5).
  • the longitudinal direction of the base 171 is parallel in the left and right direction (LR), and the first guide hole (170a) and the second guide hole (170b) may be spaced apart from each other in the left and right direction (LR).
  • the bases 171 and 172 may be coupled to the second recessed portion 160b and/or the third recessed portion 160c (see FIG. 5).
  • the longitudinal direction of the bases 171 and 172 is parallel in the vertical direction (UD), and the first guide hole 170a and the second guide hole 170b may be spaced apart from each other in the vertical direction (UD).
  • the first guide hole 170a may be formed by penetrating the bases 171 and 172 in the front-back direction (FR).
  • the first guide hole 170a includes the first hole 1711a of the center part 1711, the first hole 1712a of the first side part 1712, and the first hole 172a of the second base 172. These can be formed by combining them.
  • the first protrusion 163a may be inserted into the first guide hole 170a.
  • the depth of the first guide hole 170a in the front-back direction (FR) may be smaller than the length of the first protrusion 163a in the front-back direction (FR). Accordingly, a portion of the first protrusion 163a may protrude from the rear of the bases 171 and 172 by a certain length tp (see FIG. 10).
  • the second guide hole 170b may be formed by penetrating the bases 171 and 172 in the front-back direction (FR).
  • the second guide hole 170b is the second hole 1711b of the center part 1711, the second hole 1712b of the first side part 1712, and the second hole 172b of the second base 172. These can be formed by combining them.
  • the second protrusion 163b may be inserted into the second guide hole 170b.
  • the depth of the second guide hole 170b in the front-back direction (FR) may be smaller than the length of the second protrusion 163b in the front-back direction (FR). Accordingly, a portion of the second protrusion 163b may protrude from the rear of the bases 171 and 172 by a certain length tp (see FIG. 10).
  • the holder 170 may include a coupling hole 170c.
  • the coupling hole 170c may be formed by penetrating the bases 171 and 172 in the front-back direction (FR).
  • the coupling hole 170c is the 3rd hole 1711c of the center part 1711, the 3-1 hole 1712c of the first side part 1712, and the 3-2 hole of the second between part 1713 ( 1713c) and the third hole 172c of the second base 172 may be combined to form.
  • the coupling hole 170c will be aligned with the hole 162 (see FIG. 6). You can.
  • the first protrusion 163a and the second protrusion 163b can guide the coupling of the holder 170 to the recessed portion 160.
  • a fastening member (F) such as a screw may be inserted into the hole 162 through the coupling hole 170c and screwed to the tapping portion 164 (see FIG. 11). Accordingly, the holder 170 can be fixed to the recessed portion 160.
  • the holder 170 may include a bending part 173.
  • the bending portion 173 may extend long in the longitudinal direction of the bases 171 and 172.
  • the length L of the bending portion 173 may be equal to or smaller than the length of the bases 171 and 172.
  • the bending portion 173 may be fixed to or coupled to one side of the bases 171 and 172.
  • the bending portion 173 may be bent multiple times.
  • One end of the bending portion 173 may be fixed or coupled to one side of the first base 171.
  • the other end of the bending portion 173 may be fixed or coupled to one side of the second base 172. At this time, one end and the other end of the bending portion 173 may be adjacent to or adjacent to each other.
  • the inner surface of the bending portion 173 may define the boundary of the space 173S.
  • the space 173S may extend long in the longitudinal direction of the bending portion 173.
  • one end of the bending portion 173 may be fixed to the upper side of the first base 171, and the other end of the bending portion 173 may be fixed to the upper side of the first base 171. It may be fixed to the upper side of the second base 172.
  • one end of the bending portion 173 may be fixed to the lower side of the first base 171, and the other end of the bending portion 173 Can be fixed to the lower side of the second base 172.
  • one end of the bending portion 173 may be fixed to the left side of the first base 171, and the other end of the bending portion 173 may be fixed to the left side of the first base 171. It may be fixed to the left side of the second base 172.
  • one end of the bending portion 173 may be fixed to the right side of the first base 171, and the other end of the bending portion 173 may be fixed to the right side of the first base 171. 2 It can be fixed to the right side of the base 172.
  • the bending portion 173 may include a first tension portion 1731.
  • the first tension portion 1731 extends while bending forward while forming a third angle (theta 3) from the first base 171, and may form one end of the bending portion 173 described above.
  • the third angle (theta 3) may be an acute angle.
  • the first tension unit 1731 may be located rearward of the second tension unit 1733, which will be described later.
  • the first tension portion 1731 may be formed flat.
  • the bending portion 173 may include a seating portion 1732.
  • the seating portion 1732 may extend while rolling forward from the first tension portion 1731.
  • the seating portion 1732 may be located between the first tension portion 1731 and the second tension portion 1733, which will be described later, and may connect the first tension portion 1731 and the second tension portion 1733.
  • the seating portion 1732 may extend long in the longitudinal direction of the bending portion 173.
  • the seating portion 1732 may include a curved groove 1732G.
  • the groove 1732G may be formed by recessing from the outer surface of the seating portion 1732 toward the space 173S or the bases 171 and 172.
  • the groove 1732G may extend by drawing an arc of a first radius r1 with respect to the first center O1 located outside the space 173S. That is, the groove 1732G may be formed concavely toward the space 170S.
  • the bending portion 173 may include a second tension portion 1733.
  • the second tension part 1733 may be located ahead of the first tension part 1731.
  • the second tension portion 1733 may face the frame 130.
  • the second tension unit 1733 may be spaced rearward from the frame 130.
  • the second tension portion 1733 may extend from the seating portion 1732 while rolling backward or toward the bases 171 and 172.
  • the second tension part 1733 may form the other end of the bending part 173.
  • the second tension unit 1733 may extend while drawing an arc of a second radius r2 with respect to the second center O2 located outside the space 173S.
  • the second tension portion 1733 may be concavely formed toward the space 173S or the bases 171 and 172.
  • One end of the bending portion 173 may be formed at the distal end of the first tension portion 1731, and the other end of the bending portion 173 may be formed at the distal end of the second tension portion 1733.
  • One end of the bending portion 173 formed in the first tension portion 1731 and the other end of the bending portion 173 formed in the second tension portion 1732 cross the longitudinal direction of the bending portions 171 and 172. They can be spaced apart by a certain distance (h1). For example, when the bases 171 and 172 are coupled to the first recessed portion 160a, the end of the second tension portion 1733 is lowered by a certain distance h1 from the end of the first tension portion 1731.
  • the distal end of the second tension portion 1733 is separated from the distal end of the first tension portion 1731 by a predetermined distance h1. may be spaced upwards.
  • the distal end of the second tension portion 1733 may be spaced to the right of the distal end of the first tension portion 1731.
  • the distal end of the second tension portion 1733 may be spaced to the left of the distal end of the first tension portion 1731.
  • the inner surfaces of a portion of the first base 171, the first tension portion 1731, the seating portion 1732, and the second tension portion 1733 may define the boundary of the space 173S.
  • external force or stress applied to the bending portion 173 may be distributed to the bending portion 173 and the bases 171 and 172. .
  • the holder 170 may include a contact part 174.
  • the contact portion 174 may be coupled to the bases 171 and 172.
  • the contact portion 174 may extend rearward from the bases 171 and 172.
  • the contact portion 174 may extend horizontally rearward from one side of the bases 171 and 172.
  • the contact portion 174 may extend while bending backward from one side of the bases 171 and 172.
  • the contact portion 174 may contact the inner surface 150b of the back cover 150 (see FIG. 12).
  • the contact portion 174 may include a support portion 1741.
  • the support portion 1741 may extend from one side of the bases 171 and 172 in a direction perpendicular to the longitudinal direction of the bases 171 and 172 and the thickness direction of the bases 171 and 172.
  • the thickness direction of the bases 171 and 172 may be parallel to the front-back direction (FR).
  • FR front-back direction
  • the support portion 1741 may extend upward from the upper side of the bases 171 and 172.
  • the support portion 1741 may extend downward from the lower side of the bases 171 and 172.
  • the support portion 1741 may extend to the left from the left side of the bases 171 and 172.
  • the support portion 1741 may extend to the right from the right side of the bases 171 and 172.
  • the support portion 1741 may extend from the side parts 1712 and 1713 in a direction perpendicular to the longitudinal direction of the bases 171 and 172 and the thickness direction of the bases 171 and 172. Alternatively, the support portion 1741 may extend from the center part 1711 in a direction perpendicular to the longitudinal direction of the bases 171 and 172 and the thickness direction of the bases 171 and 172.
  • the contact portion 174 may include an elastic portion 1742.
  • the elastic portion 1742 may extend rearward from the support portion 1741.
  • the elastic portion 1742 may extend while bending backward from the support portion 1741.
  • the elastic portion 1742 may be bent in a direction opposite to the direction in which the bending portion 173 is bent.
  • the elastic portion 1742 may face the rear of the bases 171 and 172.
  • the elastic portion 1742 may face the side parts 1712 and 1713. At least a portion of the elastic portion 1742 may be in contact with the inner surface 150b of the back cover 150 (see FIG. 12).
  • the elastic portion 1742 may be spaced rearward from the rear of the bases 171 and 172. A space may be formed between the elastic portion 1742 and the rear surfaces of the bases 171 and 172.
  • the elastic part 1742 can be elastically deformed forward by the back cover 150 and backward by the restoring force of the elastic part 1742. It can be restored and come into contact with the inner surface 150b of the back cover 150.
  • the elastic portion 1742 may include a first part 1742a.
  • the first part 1742a may extend from the support portion 1741.
  • the first part 1742a may be bent backward from the support portion 1741.
  • the first part 1742a may be bent from the support portion 1741 and may extend toward the back cover 150.
  • the first part 1742a may be spaced rearward from the rear of the bases 171 and 172.
  • the first part 1742a may extend obliquely with respect to the rear surfaces of the bases 171 and 172.
  • the separation distance between the first part 1742a and the rear surfaces of the bases 171 and 172 may increase as the distance from the support portion 1741 increases.
  • the first part 1742a may contact the inner surface 150b of the cover part 151 (see FIG. 12).
  • the first part 1742a may extend parallel to the cover portion 151 of the back cover 150 (see FIG. 12). Through this, the contact area between the first part 1742a and the inner surface 150b of the back cover 150 can be increased. Through this, the contact portion 174 can stably contact the back cover 150 and reduce EMI (Electro Magnetic Interference) noise.
  • the first part 1742a may include a flat surface.
  • the elastic portion 1742 may include a second part 1742b.
  • the second part 1742b may extend from the first part 1742a.
  • the second part 1742b may extend while being bent from the first part 1742a.
  • the second part 1742b may be bent from the first part 1742a toward the bases 171 and 172.
  • the second part 1742b may face the rear of the bases 171 and 172.
  • the second part 1742b may be spaced rearward from the rear of the bases 171 and 172. As the second part 1742b moves away from the first part 1741a, it may become closer to the rear of the bases 171 and 172.
  • the separation distance between the second part 1742b and the rear surfaces of the bases 171 and 172 may decrease as the distance from the first part 1741a increases.
  • the second part 1742b may include a flat surface. At least a portion of the second part 1742b may contact the inner surface 150b of the back cover 150. The second part 1742b contacts the inner surface 150b of the back cover 150 when the elastic portion 1742 is pressed by the back cover 150 when the back cover 150 is coupled to the holder 170. can do.
  • the first part 1741a may be bent to form a first angle (theta 1) from the support portion 1741.
  • the second part 1741b may be bent to form a second angle theta 2 from the first part 1741a.
  • the first angle (theta 1) may be smaller than the second angle (theta 2).
  • the first angle (theta 1) may be an acute angle
  • the second angle (theta 2) may be an obtuse angle.
  • the second angle (theta 2) is formed to be larger than the first angle (theta 1)
  • the elastic portion 1742 when the elastic portion 1742 is pressed by the back cover 150, the elastic portion 174 may be elastically deformed.
  • the support part 1741 can strongly support the elastically deformed elastic part 174 and can be restored by restoring force. .
  • the elastic portion 1742 is shown and described as extending and bending from the support portion 1741, but is not limited thereto.
  • the elastic portion 1742 may extend while bending backward from one side of the bases 171 and 172, and in this case, the support portion 1741 may be omitted.
  • the contact portion 174 may include a protrusion 1743.
  • the protrusion 1743 may protrude rearward from the elastic portion 1742.
  • the protrusion 1743 may be formed on the first part 1742a of the elastic portion 1742.
  • the protrusion 1743 may be formed on the second part 1742b of the elastic portion 1742.
  • the protrusion 1743 may contact the inner surface 150b of the back cover 150 (see FIG. 12). Through this, contact between the contact portion 174 and the back cover 150 can be facilitated and EMI noise can be reduced.
  • the contact portion 174 may include a plurality of contact portions 174 . Through this, the contact points between the contact portion 174 and the back cover 150 can be increased. Through this, poor contact between the contact portion 174 and the back cover 150 can be improved and EMI noise can be reduced.
  • the plurality of contact portions 174 may be spaced apart from each other.
  • the plurality of contact portions 174 may be spaced apart in the longitudinal direction of the bases 171 and 172.
  • the plurality of contact parts 174 may include a first contact part 174a and a second contact part 174b.
  • the first contact portion 174a may be fixed to the first site part 1712.
  • the second contact portion 174a may be fixed to the second site part 1713.
  • the thickness t of the bases 171 and 172 in the front-back direction (FR) may be the sum of the thicknesses t1 and t3 of the first base 171 and the thickness t2 of the second base 172.
  • the first side part 1712 and the second side part 1713 may form the first base 171 together with the center part 1711.
  • the first side part 1712 and the second side part 1713 may have the same thickness t3.
  • the thickness (t1, t3) of the first base 171 may be the sum of the thickness (t1) of the center part (1711) and the thickness (t3) of the site parts (1712, 1713).
  • the holder 170 may be coupled to the frame 130 at the rear of the frame 130.
  • FIG. 10 is a section taken along line X-X' of FIG. 7.
  • the holder 170 may be detachably coupled to the recessed portion 160.
  • the first protrusion 163a may be inserted into the first guide hole 170a (see FIG. 8), and the second protrusion 163b may be inserted into the second guide hole 170b (see FIG. 8). At this time, the first protrusion 163a may protrude from the rear of the body 161 by a certain length tp.
  • the predetermined length tp is equal to the length at which the second protrusion 163b protrudes from the rear of the body 161 and may be greater than the thickness t of the bases 171 and 172. Accordingly, the first protrusion 163a and the second protrusion 163b can stably support the holder 170 into which they are inserted.
  • the guide panel 117 may form the side of the display device 100.
  • the rib 117a may protrude from the guide panel 117 toward the inside of the display device 100.
  • the foam pad 110a may be coupled to the display panel 110 and the rib 117a between the display panel 110 and the rib 117a.
  • the optical sheet 125 and the diffusion plate 129 may face the foam pad 110a with respect to the rib 117a.
  • the portion that forms the outline of the frame 130 may be inserted into the guide panel 117.
  • the frame 130 may be fixed to the guide panel 117.
  • the rim (unmarked) of the reflective sheet 126 contacts the rear of the diffusion plate 129, and the remaining portion of the reflective sheet 126 may extend obliquely rearward from the rim (see RF in 10).
  • the front of the first body 161a may be spaced rearward by a certain distance ga from the front of the frame 130. Accordingly, the fastening member F fastened to the tapping portion 164 may not interfere with or contact the reflective sheet 126.
  • the second base 172 is located behind the first body 161a and may contact the first body 161a.
  • the second tension unit 1733 is located at the rear of the second body 161b and may be spaced apart from the second body 161b by a certain distance (gb). Accordingly, the first tension portion 1731 and the second tension portion 1733 are elastically deformed toward the second body 161b according to an external force, or are returned to the original position, that is, the second tension portion 1733, according to the elastic force. 2 It can return to a position spaced apart from the body 161b by a certain distance (gb).
  • the back cover 150 is located at the rear of the frame 130 and may cover the rear of the frame 130.
  • FIGS. 11 and 12 are sectional views taken along line Y-Y' of FIG. 7.
  • the back cover 150 may include a cover portion 151, a connecting portion 152, and a coupling portion 153.
  • the cover portion 151 may form the rear of the back cover 150.
  • the cover portion 151 may cover the recessed portion 160 and the rear of the holder 170.
  • the cover portion 151 may be formed flat or inclined with respect to the frame 130.
  • the connection portion 152 may form the side surface of the back cover 150.
  • the connection portion 152 may be bent from the cover portion 151 and extend toward the frame 130.
  • the angle between the connection part 152 and the cover part 151 may be an obtuse angle.
  • the connection portion 152 may extend parallel to the front and rear directions.
  • the coupling portion 153 may be curled from the end of the connecting portion 152 toward the inner surface of the connecting portion 152. Meanwhile, the coupling portion 153 may be referred to as a catching portion or a hook.
  • the back cover 150 may be detachably coupled to the holder 170. Specifically, when the user assembles the back cover 150 to the holder 170, the coupling portion 153 may be guided to the seating portion 1732 along the first tension portion 1731. At this time, the force applied by the user is transmitted to the first tension part 1731 through the coupling part 153, so that the first tension part 1731 and the second tension part 1732 are elastically deformed in the counterclockwise direction. You can. As a result, the coupling portion 153 can be seated or coupled to the seating portion 1732 beyond the first tension portion 1731. At this time, the contact length between the coupling portion 153 and the seating portion 1732 may be L (see FIG. 8). And, the curvature of the coupling portion 153 may be the same as the curvature of the seating portion 1732.
  • the contact portion 174 may be located at a position spaced apart from the bending portion 173 in a direction toward the bases 171 and 172 (see 'h2' in FIG. 9). For example, when the bases 171 and 172 are coupled to the first recessed portion 160a, the contact portion 174 may be spaced downward from the bending portion 173. For example, when the bases 171 and 172 are coupled to the fourth recessed portion (not shown), the contact portion 174 may be spaced upward from the bending portion 173. For example, when the bases 171 and 172 are coupled to the second recessed portion 160b, the contact portion 174 may be spaced to the right from the bending portion 173.
  • the contact portion 174 may be spaced to the left from the bending portion 173. Through this, collision and/or interference between the coupling portion 153 and the contact portion 174 can be prevented while the coupling portion 153 is guided to the seating portion 1732 along the first tension portion 1731. .
  • the frame 130, the depression 160, the holder 170, the fastening member (F), and the back cover 150 may include an electrically conductive material such as metal. Accordingly, electro magnetic interference (EMI) noise of a plurality of electronic components installed in the frame 130 can be reduced. Additionally, since the recessed portion 160 and the holder 170 include a metal material, thermal deformation of these structures can be minimized compared to the case where the recessed portion 160 and the holder 170 include materials such as plastic and synthetic resin.
  • EMI electro magnetic interference
  • a painted layer formed by coating an insulating material may be formed on the outer surface 150a of the back cover 150.
  • the inner surface 150b of the back cover 150 may not be coated with an insulating material, thereby forming an exposed surface 150b where the conductive material is exposed.
  • the insulating material coated on the outer surface of the coupling portion 153 may fall off during the process of the coupling portion 153 sliding on the first tension portion 1731 and being seated on the seating portion 1732.
  • electricity can pass from the recessed portion 160 to the coupling portion 153 through the portion of the coupling portion 153 where the coating of the insulating material has been peeled off.
  • EMI electromagnetic interference
  • the cover portion 151 of the back cover 150 is The contact portion 174 may be pressed forward by contacting the elastic portion 1742 of the contact portion 174.
  • the elastic portion 1742 When the coupling portion 153 is seated on the seating portion 1732, the elastic portion 1742 may be restored rearward by restoring force. At this time, the elastic portion 1742 may be in contact with the inner surface 150b of the back cover 150.
  • the insulating material coating of the coupling portion 153 may not fall off or may partially fall off during movement along the first tension portion 1731.
  • EMI noise reduction may not be possible due to poor contact.
  • contact between the coupling portion 153 and the seating portion 1732 contact between the holder 170 is achieved through contact between the contact portion 174 and the inner surface 150b of the back cover 150 that is not coated with an insulating material. Defects can be improved and EMI noise can be reduced.
  • the contact portion 174 is in contact with the back cover 150 and can fix the back cover 150, thereby preventing the back cover 150 from being separated due to the tension structure of the bending portion 173. .
  • the contact portion 174 may be spaced rearward from the first tension portion 1731 by a predetermined distance (gc, see FIG. 9).
  • the support portion 1741 of the contact portion 174 may be spaced rearward from the first tension portion 1731 by a predetermined distance (gc, see FIG. 9).
  • the bases 171 and 172 may include a first side (S1) and a second side (S2) located opposite to the first side (S1).
  • the contact portion 174 may be bent while extending rearward from either the first side (S1) or the second side (S2).
  • the contact portion 174 may be bent while extending backward from the first side S1 (see FIG. 8).
  • the contact portion 174 may be bent while extending backward from the second side S2 (see FIG. 16).
  • the second side S2 of the bases 171 and 172 may mean the lower side of the bases 171 and 172.
  • the second side S2 of the bases 171 and 172 may refer to the upper side of the bases 171 and 172.
  • the second side S2 of the bases 171 and 172 may refer to the right side of the bases 171 and 172.
  • the second side S2 of the bases 171 and 172 may refer to the left side of the bases 171 and 172.
  • the first side part 1712 may include a left side 1712S.
  • the second side part 1713 may include a right side 1713S.
  • the first contact portion 174a may be bent backward from the left side 1712 of the first side part 1712 and extend.
  • the second contact portion 174b may extend and bend backward from the right side 1713S of the second site part 1713.
  • the direction in which the first contact portion 174a is bent and the direction in which the second contact portion 174b is bent may be opposite directions.
  • the holder 170 may include bases 171 and 172.
  • Bases 171 and 172 may extend long.
  • Bases 171 and 172 may be coupled to body 161.
  • the bases 171 and 172 may include a second base 172 that is in contact with and coupled to the first body 161a.
  • the bases 171 and 172 may include the first base 171 facing the first base 171 and coupled to the first body 161a.
  • the second base 172 may be located between the first base 171 and the first body 161a.
  • the first base 171 may face the first body 161a with respect to the second base 172.
  • the first base 171 and the second base 172 may be provided as flat plates.
  • the second base 172 may be formed in a plate shape corresponding to the first body 161a.
  • the first base 171 may include a center part 1711.
  • the center part 1711 may include a first area (1711d) in contact with the second base 172.
  • the first area 1711d may be formed in a plate shape corresponding to the second base 172.
  • the length of the first area 1711d in the longitudinal direction of the bases 171 and 172 (L, see FIG. 15) is the same as the length (L, see FIG. 15) of the second base 172 in the corresponding direction. can be formed.
  • the center part 1711 may include a second area (1711e, second area).
  • the second area 1711e may extend from the first area 1711d along the longitudinal direction of the bases 171 and 172.
  • the second area 1711e may not overlap the second base 172 in the front-to-back direction (FR).
  • the second area 1711e may not overlap the first body 161a in the front-to-back direction (FR).
  • the second area 1711e may overlap the second body 161b in the front-to-back direction (FR).
  • the center part 1711 may include a third area (1711f, third area).
  • the third area 1711f may extend from the first area 1711d along the longitudinal direction of the bases 171 and 172.
  • the third area 1711f may be located on the opposite side of the second area 1711e with respect to the first area 1711d.
  • the third area 1711f may not overlap the second base 172 in the front-to-back direction (FR).
  • the third area 1711f may not overlap the first body 161a in the front-to-back direction (FR).
  • the third area 1711f may overlap the second body 161b in the front-to-back direction (FR).
  • the center part 1711 may extend longer than the second base 172.
  • the length (L', see FIG. 15) of the center part 1711 may be greater than the length (L, see FIG. 15) of the second base 172.
  • the first base 171 may include a first side part 1712.
  • the first side part 1712 may extend from one side of the center part 1711 along the longitudinal direction of the bases 171 and 172.
  • the first side part 1712 may be folded from one side of the center part 1711 and contact the rear of the center part 1711.
  • the first side part 1712 may include a fourth area 1712d.
  • the fourth area 1712d may extend from the second area 1711e in the longitudinal direction of the bases 171 and 172.
  • the fourth region 1712d may be folded backward from the end of the second region 1711e.
  • the fourth area 1712d may be folded and contact the rear surface of the second area 1711e.
  • the fourth area 1712d may be formed in a plate shape corresponding to the second area 1711e.
  • the length of the bases 171 and 172 of the fourth region 1712d in the longitudinal direction may be equal to the length of the second region 1711e in the corresponding direction.
  • the first side part 1712 may include a fifth region 1712e.
  • the fifth area 1712e may extend from the fourth area 1712d.
  • the fifth area 1712e may be in contact with the first area 1711d of the center part 1711.
  • the fifth area 1712e may be in contact with at least a portion of the first area 1711d of the center part 1711.
  • the length of the bases 171 and 172 of the fifth area 1712e in the longitudinal direction may be smaller than the length L of the first area 1711d.
  • the first base 171 may include a second side part 1713.
  • the second side part 1713 may extend from the other side of the center part 1711 along the longitudinal direction of the bases 171 and 172.
  • the second side part 1713 may be located on the opposite side to the center part 1711.
  • the second side part 1713 may be folded from the other side of the center part 1711 and contact the rear of the center part 1711.
  • the second side part 1713 may include a sixth region 1713d.
  • the sixth area 1713d may extend from the third area 1711f in the longitudinal direction of the bases 171 and 172.
  • the sixth area 1713d may be folded backward from the end of the third area 1711f.
  • the sixth area 1713d may be folded and contact the rear surface of the third area 1711f.
  • the sixth area 1713d may be formed in a plate shape corresponding to the third area 1711f.
  • the length of the bases 171 and 172 of the sixth region 1713d in the longitudinal direction may be equal to the length of the third region 1711f in the corresponding direction.
  • the second side part 1713 may include a seventh region 1713e.
  • the seventh area 1713e may extend from the sixth area 1713d.
  • the seventh area 1713e may be in contact with the first area 1711d of the center part 1711.
  • the seventh area 1713e may be in contact with at least a portion of the first area 1711d of the center part 1711.
  • the length of the bases 171 and 172 of the seventh area 1713e in the longitudinal direction may be smaller than the length L of the first area 1711d.
  • the seventh area 1713e may face the fifth area 1712e on the base 1711.
  • the sum of the lengths of the seventh area 1713e and the fifth area 1712e may correspond to the length L of the first area 1711d.
  • the first guide hole 170a may be formed by penetrating the second base 172, the first area 1711d of the center part 1711, and the fifth area 1712e of the first side part 1712.
  • the first protrusion 163a may be inserted into the first guide hole 170a.
  • the second guide hole 170b may be formed by penetrating the second base 172, the first area 1711d of the center part 1711, and the seventh area 1712e of the second side part 1713.
  • the second protrusion 163b may be inserted into the second guide hole 170b.
  • the coupling hole 170c is formed in the first area 1711d of the center part 1711 of the second base 172, the fifth area 1712e of the first side part 1712, and the seventh area 1712e of the second side part 1713. It may be formed penetrating the area 1712e.
  • the hole formed in the fifth region 1712e of the first side part 1712 and the hole formed in the seventh region 1712e of the second side part 1713 may have a semicircular shape.
  • the hole formed in the fifth area 1712e of the first side part 1712 and the hole formed in the seventh area 1712e of the second side part 1713 may be combined to form a circular shape.
  • a fastening member F such as a screw, may penetrate the coupling hole 170c, and may be inserted into the hole 162 through the coupling hole 170c and screwed to the tapping portion 164 (see FIG. 11). Accordingly, the holder 170 can be fixed to the recessed portion 160.
  • the portion that overlaps with the first body 161a in the front-to-back direction (FR) may be referred to as the central region, and the portion that does not overlap with the first body 161a in the front-to-back direction (FR) may be referred to as the central region.
  • the central area includes the second base 172, the first area 1711d of the center part 1711, the 5th area 1712e of the first side part 1712, and the 7th area of the second side part 1713 ( 1713e).
  • the side area may include a first side area located on one side of the central area and a second side area located on the other side of the central area.
  • the first side area may be composed of the second area 1711e of the center part 1711 and the fourth area 1712d of the first side part 1712.
  • the second side area may be composed of the third area 1711f of the center part 1711 and the sixth area 1713d of the second side part 1713.
  • the first through hole 170e may be formed in the first side area.
  • the first through hole 170e may be formed by penetrating the second region 1711e and the fourth region 1712d in the front-to-back direction (FR).
  • the second through hole 170f may be formed in the second side area.
  • the second through hole 170f may be formed by penetrating the third area 1711f and the sixth area 1713d in the front-to-back direction (FR).
  • the first tapping portion 1712f may be formed along the perimeter of the first through hole 170e.
  • the first tapping portion 1712f may protrude rearward from the periphery of the first through hole 170e formed in the fourth area 1712d.
  • a first contact part 175a which will be described later, may be coupled to the first tapping part 1712f.
  • the first contact portion 175a may be rotated and coupled to the first tapping portion 1712f.
  • threads may be formed on the inner peripheral surface of the first tapping portion 1712f.
  • the first through hole 170e formed in the second area 1711e may be burred.
  • the second tapping portion 1713f may be formed along the perimeter of the second through hole 170f.
  • the second tapping portion 1713f may protrude rearward from the periphery of the second through hole 170f formed in the sixth area 1713d.
  • a second contact part 175b which will be described later, may be coupled to the second tapping part 1713f.
  • the second contact part 175b can be rotated and coupled to the second tapping part 1713f.
  • the second through hole 170f formed in the third area 1711f may be burred.
  • the holder 170 may include a bending portion 173.
  • the bending portion 173 may extend long in the longitudinal direction of the bases 171 and 172.
  • the length L of the bending portion 173 may be equal to or smaller than the length of the second base 172.
  • the length (L) of the bending portion 173 may be equal to or smaller than the length of the first region 1711d of the center part 1711.
  • the bending portion 173 may be fixed to or coupled to one side of the bases 171 and 172.
  • the bending portion 173 may be bent multiple times. One end of the bending portion 173 may be fixed or coupled to the first area 1711d of the first base 171. The other end of the bending portion 173 may be fixed or coupled to the second base 172.
  • one end and the other end of the bending portion 173 may be adjacent to or adjacent to each other.
  • the inner surface of the bending portion 173 may define the boundary of the space 173S.
  • the space 173S may extend long in the longitudinal direction of the bending portion 173.
  • the bending portion 173 may include a first tension portion 1731.
  • the first tension part 1731 may be connected to the first area 1711d of the center part 1711 of the first base 171.
  • the bending portion 173 may include a second tension portion 1733.
  • the second tension unit 1733 may be connected to the second base 172.
  • the bending portion 173 may include a seating portion 1732 connecting the first tension portion 1731 and the second tension portion 1733.
  • the seating portion 1732 may extend forward while rolling from the first tension portion 1731.
  • the seating portion 1732 may include a groove 1732G that is recessed toward the bases 171 and 172.
  • the coupling portion 153 of the back cover 150 may be seated in the groove 1732G.
  • the bending portion 173 is substantially the same as the bending portion 173 shown in FIGS. 8 and 9, and can be understood with reference to the descriptions in FIGS. 8 and 9.
  • the first base 171, the second base 172, and the bending portion 173 may be formed as one body.
  • the Holder 170 may include a contact portion 175.
  • the contact portion 175 may be inserted into the through holes 170e and 170f and protrude toward the rear of the bases 171 and 172.
  • the contact portion 175 may be inserted from the front (F) toward the rear (R) and may protrude toward the rear of the bases 171 and 172.
  • the contact portion 175 may include a first contact portion 175a inserted into the first through hole 170e and a second contact portion 175b inserted into the second through hole 170f.
  • the first contact portion 175a and the second contact portion 175b may have the same structure.
  • the contact portion 175 may be referred to as a plunger (175).
  • the first contact portion 175a and the second contact portion 175b may be referred to as a first plunger 175a (first plunger) and a second plunger 175b (second plunger).
  • the contact portion 175 may include a housing 1751.
  • the housing 1751 may be inserted into the through holes 170e and 170f.
  • the housing 1751 may be formed in a cylindrical shape with a space 1751S formed therein.
  • the housing 1751 may be rotated and fastened to the tapping portions 1712f and 1713f.
  • the housing 1751 may protrude toward the rear of the bases 171 and 172.
  • a hole 1751H may be formed on one side of the housing 1751.
  • the rod 1752 may include a bottom 1752b accommodated in the internal space 1751S of the housing 1751 and a head 1752a extending from the bottom 1752b.
  • the head 1752a may be inserted into the hole 1751H and may protrude out of the housing 1751.
  • the head 1752a may contact the inner surface 150b of the back cover 150.
  • the diameter of the hole 1751H may be formed to be the same as the diameter of the head 1751a.
  • the diameter of the bottom 1752b may be larger than the diameter of the hole 1751H.
  • the bottom 1752b may span one surface of the housing 1751 where the hole 1751H is formed. Through this, the rod 1752 can be prevented from being separated from the housing 1751.
  • the diameter of the bottom 1752b may be the same as the inner diameter of the housing 1751.
  • the contact portion 175 may be formed of a metal material.
  • the housing 1751 and the rod 1752 may be made of metal.
  • the contact portion 175 may include an elastic member 1752c.
  • the elastic member 1752c may be a spring.
  • the elastic member 1752c can be accommodated in the internal space 1751S of the housing 1751.
  • the elastic member 1752c may support the bottom 1752b.
  • the elastic member 1752c can elastically support the rod 1752.
  • the cover portion 151 When the back cover 150 is coupled to the seating portion 1732 of the bending portion 173, the cover portion 151 may be in contact with the head 1751a of the rod 1752. At this time, the rod 1752 may be pressed toward the front (F) by the cover portion 151 due to elastic deformation of the elastic member 1752c.
  • the rod 1752 When the back cover 150 is seated on the seating portion 1732 of the bending portion 173 and the coupling is completed, the rod 1752 is connected to the inner surface 150b of the cover portion 151 by the restoring force of the elastic member 1752c. can maintain contact.
  • the elastic member 1752c can push the rod 1752 in a direction toward the back cover 150 and ensure contact stability between the rod 1752 and the inner surface 150b of the back cover 150. Through this, EMI noise can be reduced.
  • the coupling portion 153 of the back cover 150 curls while drawing a circle of a third radius r3 with respect to the third center O3 adjacent to the inner surface of the connecting portion 152. It can be.
  • the back cover 150 may include a reinforcing part (154).
  • the reinforcement portion 154 may extend from the coupling portion 153 toward the cover portion 151.
  • the reinforcement portion 154 may face or be parallel to the inner surface of the connection portion 152.
  • the reinforcing part 154 may be spaced apart from the inner surface of the connecting part 152 by the first gap G1 or may be in contact with it. Accordingly, the rigidity of the back cover 150 against sagging and twisting can be improved.
  • the back cover 150 may include a rigid part (155).
  • the rigid portion 155 may be bent from the reinforcing portion 154.
  • the rigid portion 155 may form an obtuse angle with respect to the reinforcing portion 154 and may extend from the reinforcing portion 154 toward the cover portion 151.
  • the rigid portion 155 may face or be parallel to the connection portion 152 and/or the cover portion 151.
  • the rigid part 155 may be spaced apart from the inner surface of the cover part 151 by a second gap G2 that is smaller than the first gap G1 or may be in contact with it. Accordingly, the rigidity of the back cover 150 against sagging and twisting can be further improved.
  • the rigid part 155' may be bent from the reinforcement part 154.
  • the rigid portion 155' may extend in a direction intersecting the extension direction of the connection portion 152 and/or the cover portion 151.
  • the rigid portion 155' may form an acute angle (theta 2) with respect to the inner surface of the cover portion 151 and extend from the reinforcing portion 154.
  • the rigid part 155' may be adjacent to the inner surface of the cover part 151.
  • the portion where the reinforcing part 154 and the rigid part 155' are connected may be spaced apart from the inner surface of the cover part 151 by a second gap G2 smaller than the first gap G1 or may be in contact with it. Accordingly, the rigidity of the back cover 150 against sagging and twisting can be further improved.
  • a display device includes: a display panel 110; A frame 130 located behind the display panel 110; A holder 170 located at the rear of the frame 130 and coupled to the frame 130; and a back cover 150 coupled to the holder 170 and covering the rear of the frame 130, wherein the holder 170: contacts the frame 130 and is attached to the frame 130.
  • the contact portion 174 includes: a support portion 1741 extending from one side of the bases 171 and 172 in a direction perpendicular to the longitudinal direction of the bases 171 and 172; and an elastic part 1742 that is bent from the support part 1741 to face the bases 171 and 172, and a portion of which contacts the inner surface 150b of the back cover 150, and the elastic part ( 1742) may be spaced rearward from the rear of the bases 171 and 172.
  • the elastic portion 1742 includes: a first part 1742a bent from the support portion 1741 and extending toward the back cover 150; And a second part (1742b) that is bent from the first part (1742a) and extends toward the bases (171, 172), wherein the first part (1742a) is formed on the inner surface (1742b) of the back cover (150). 150b) can be contacted.
  • the support portion 1741 and the first part 1742a form a first angle (theta 1)
  • the first part 1742a and the second part 1742b forms a second angle (theta 2)
  • the second angle (theta 2) may be larger than the first angle (theta 1).
  • the back cover 150 includes: a cover portion 151 forming the rear surface of the back cover 150; A coupling portion 153 curled from an end of the back cover 150 toward the inner surface of the back cover 150; and a connection part 152 that is bent from the cover part 151, extends toward the frame 130, and is connected to the coupling part 153, and the first part 1741a is connected to the cover part (1741a). 151) and can be formed side by side.
  • the contact portion 174 has: a protrusion 1743 that protrudes rearward from the elastic portion 1742 and contacts the inner surface 150b of the back cover 150. It can be included.
  • the bases 171 and 172 include: a first base 171; and a second base 172 located in front of the first base 171 and in contact with the frame 130, wherein the first base 171: faces the second base 172.
  • the holder 170 is: bent forward from the bases 171 and 172, located adjacent to one side of the frame 130, and the back cover 150. It includes a bending portion 173 to which a coupling portion 153 formed at the end of is coupled, and the bending portion 173: extends from the bases 171 and 172 and forms one end of the bending portion 173.
  • the seating portion 1732 may be formed to be curved, and the curvature of the coupling portion 153 may be formed to be the same as the curvature of the seating portion 1732.
  • the frame 130 is: located adjacent to an edge of the frame 130, recessed from the front to the rear of the frame 130, and having the bases 171 and 172 It includes a depression 160 to which is coupled, and the depression 160 includes: a body 161 with which the bases 171 and 172 come into contact; a protrusion 163 protruding rearward from the body 161; and a hole 162 that is spaced apart from the protrusion 163 and penetrates the body 161 in the front and rear direction, and the bases 171 and 172 include: a guide hole 170a into which the protrusion 163 is inserted. , 170b); And it may include a coupling hole 170c that is spaced apart from the guide holes 170a and 170b and aligned with the hole 162.
  • the bases 171 and 172 include: a central region that overlaps the body 161 and where the guide holes 170a and 170b and the coupling holes 170c are formed; and a side region that extends from the central region and does not overlap the body 161, and the contact portion 175 may protrude toward the rear of the bases 171 and 172 through the side region.
  • the contact portion 175 includes: a housing 1751 in which an internal space 1751S is formed, a hole 1751H is formed on one side, and the housing 1751 is coupled through the side area; And it may include a rod 1752 inserted into the hole 1751H of the housing 1751 and in contact with the inner surface 150b of the back cover 150.
  • the contact portion 175 may include: an elastic member 1752c disposed in the inner space 1751S of the housing 1751 and supporting the rod 1752; You can.
  • the bases 171 and 172 include: through holes 170e and 170f formed in the side area and through which the contact portion 175 passes and engages; And it may include tapping parts (1712f, 1713f) extending from the periphery of the through holes (170e, 170f) and contacting the housing (1751).
  • the frame 130, the holder 170, and the back cover 150 are formed of a conductive material, and the outer surface 150a of the back cover 150 has the conductive material.
  • a painted layer covering the material is formed, and the conductive material may be exposed on the inner surface 150b of the back cover 150.
  • 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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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

L'invention concerne un dispositif d'affichage. Le dispositif d'affichage de la présente invention comprend : un panneau d'affichage ; un cadre disposé à l'arrière du panneau d'affichage ; un support qui est disposé à l'arrière du cadre et est couplé au cadre ; et un revêtement arrière qui est couplé au support et recouvre l'arrière du cadre, le support pouvant comprendre une base, qui est en contact avec le cadre et est couplée à celui-ci, et une partie de contact, qui est couplée à la base, fait saillie vers l'arrière de la base, et est en contact avec la surface interne du revêtement arrière.
PCT/KR2023/008923 2022-08-22 2023-06-27 Dispositif d'affichage WO2024043481A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020220104827A KR20240026676A (ko) 2022-08-22 2022-08-22 디스플레이 디바이스
KR10-2022-0104827 2022-08-22

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150146151A (ko) * 2014-06-23 2015-12-31 엘지전자 주식회사 디스플레이 장치
JP2017084610A (ja) * 2015-10-28 2017-05-18 Ｎｅｃディスプレイソリューションズ株式会社 アーススプリング、表示装置及びアース方法
KR20190034969A (ko) * 2017-09-25 2019-04-03 엘지전자 주식회사 디스플레이 디바이스
WO2021162142A1 (fr) * 2020-02-13 2021-08-19 엘지전자 주식회사 Dispositif d'affichage
WO2022114299A1 (fr) * 2020-11-27 2022-06-02 엘지전자 주식회사 Dispositif d'affichage

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150146151A (ko) * 2014-06-23 2015-12-31 엘지전자 주식회사 디스플레이 장치
JP2017084610A (ja) * 2015-10-28 2017-05-18 Ｎｅｃディスプレイソリューションズ株式会社 アーススプリング、表示装置及びアース方法
KR20190034969A (ko) * 2017-09-25 2019-04-03 엘지전자 주식회사 디스플레이 디바이스
WO2021162142A1 (fr) * 2020-02-13 2021-08-19 엘지전자 주식회사 Dispositif d'affichage
WO2022114299A1 (fr) * 2020-11-27 2022-06-02 엘지전자 주식회사 Dispositif d'affichage

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