WO2024075866A1 - Dispositif d'affichage - Google Patents

Dispositif d'affichage Download PDF

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Publication number
WO2024075866A1
WO2024075866A1 PCT/KR2022/015001 KR2022015001W WO2024075866A1 WO 2024075866 A1 WO2024075866 A1 WO 2024075866A1 KR 2022015001 W KR2022015001 W KR 2022015001W WO 2024075866 A1 WO2024075866 A1 WO 2024075866A1
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WO
WIPO (PCT)
Prior art keywords
display panel
area
forming
inner plate
display device
Prior art date
Application number
PCT/KR2022/015001
Other languages
English (en)
Korean (ko)
Inventor
표종길
김철기
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
Priority to PCT/KR2022/015001 priority Critical patent/WO2024075866A1/fr
Publication of WO2024075866A1 publication Critical patent/WO2024075866A1/fr

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    • 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
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00

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
  • OLED panels can display images by depositing an organic material layer that can emit light on its own on a substrate with transparent electrodes.
  • OLED panels are not only thin, but can also have flexible characteristics. Much research is being conducted on the structural characteristics of display devices equipped with such OLED panels.
  • the present disclosure aims to solve the above-described problems and other problems.
  • Another purpose may be to provide a structure that can freely change the curvature of the display panel.
  • Another purpose may be to provide a mechanism to freely change the curvature of the display panel.
  • Another purpose may be to provide a structure that can curve the display panel to a certain curvature.
  • a display device includes: a flexible display panel; a bottom cover located behind the display panel and to which the display panel is coupled; a driving module located behind the bottom cover and including a moving block that moves back and forth; a wing bracket fixed to the rear of the bottom cover adjacent to the drive module; and a wing that extends long, one end of which is fixed to the moving block, the other end of which is coupled to the bottom cover, and a wing pivotally connected to the wing bracket between the one end and the other end, wherein the bottom cover includes: the display panel.
  • the inner plate includes: a flat plate portion facing the rear of the display panel and having a long side and a short side; And, a forming part formed by pressing backward from the flat part; a forming part extending long in the longitudinal direction of the short side.
  • a structure that can freely change the curvature of a display panel can be provided.
  • a mechanism that can freely change the curvature of a display panel can be provided.
  • a structure that can curve a display panel with a constant curvature can be provided.
  • FIGS. 1 to 39 are diagrams showing examples of display devices according to embodiments of the present disclosure.
  • the display panel will be described using an organic light emitting diode (OLED) panel as an example, but the display panel applicable to the present disclosure is not limited to the OLED panel.
  • OLED organic light emitting diode
  • the display device refers to 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).
  • LS1 first long side
  • LS2 second long side
  • SS2 first short side
  • SS1 first short side adjacent to one end
  • SS2 second short side
  • the first short side area SS1 is referred to as the first side area
  • the second short side area SS2 is referred to as the second side area opposite the first side area
  • the second short side area SS2 is referred to as the second side area opposite the first side area.
  • the first long side area (LS1) is adjacent to the first and second side areas and is called the third side area located between the first and second side areas
  • the length of the first and second long sides (LS1, LS2) is shown and explained as being longer than the length of the first and second short sides (SS1, SS2), but the first and second long sides 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 first direction is a direction parallel to the long side (LS1, LS2) of the display device
  • the second direction is a direction parallel to the long side (LS1, LS2) of the display device.
  • SS2 and may be in a parallel direction.
  • the third direction (DR3) may be a direction perpendicular to the first direction (DR1) and/or the second direction (DR2).
  • the first direction (DR1) and the second direction (DR2) can be collectively referred to as the horizontal direction.
  • the third direction (DR3) can be called the vertical direction.
  • the side on which the display device displays images can be referred to as the front or front side.
  • the side from which the image cannot be observed can be referred to as the rear or back side.
  • the first long side (LS1) can be referred to as the upper side or upper surface.
  • the second long side (LS2) can be referred to as the lower side or lower surface.
  • the first short side (SS1) can be called the left or left side
  • the second short side (SS2) can be called the right or right side.
  • 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.
  • 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 is the first corner (C1)
  • the point where the first long side (LS1) and the second short side (SS2) meet is the second corner (C2).
  • the point where the second short side (SS2) and the second long side (LS2) meet is the third corner (C3)
  • the point where the second long side (LS2) and the first short side (SS1) meet is the fourth corner (C4) It can be.
  • the direction from the first short side (SS1) to the second short side (SS2) or from the second short side (SS2) to the first short side (SS1) can be referred to as the left-right direction (LR).
  • the direction from the first long side (LS1) to the second long side (LS2) or from the second long side (LS2) to the first long side (LS1) can be referred to as the up-down direction (UD).
  • the display panel 110 may be coupled to the plate 120.
  • Plate 120 may be flexible.
  • the plate 120 may be called a flexible plate 120, a frame 120, or a module cover 120.
  • the display panel 110 may be located in front of or in front of the plate 120.
  • the display panel 110 may be flexible.
  • the display panel 110 may be an OLED panel.
  • the display panel 110 is provided on the front of the display device 100 and can display images.
  • the display panel 110 can divide an image into a plurality of pixels and output an image with color, brightness, and saturation for each pixel.
  • the display panel 110 may generate light corresponding to the color red, green, or blue depending on the control signal.
  • Display device 100 may have variable curvature.
  • the left and right sides of the display device 100 may move forward.
  • the display device 100 may be concavely curved.
  • the plate 120 may be bent to the same curvature as the display panel 110.
  • the display panel 110 may be curved to correspond to the curvature of the plate 120.
  • the plate 120 may be coupled to the rear of the display panel 110.
  • the plate 120 may support the display panel 110 at the rear of the display panel 110.
  • the plate 120 may have a shape corresponding to the display panel 110.
  • the driving module 130 may be coupled to the rear of the plate 120.
  • the front bracket (130F), rear bracket (130R), and wing brackets (131 and 132) may be located behind the plate (120).
  • the front bracket 130F may be coupled or fixed to the rear of the plate 120.
  • the rear bracket (130R) is located behind the front bracket (130F), is spaced apart from the front bracket (130F), and can face the front bracket (130F).
  • the wing brackets 131 and 132 may include bracket frames 131a and 132a, and wing holders 131b and 132b.
  • the bracket frames 131a and 132a may have a square box shape.
  • Wing holders 131b and 132b may be formed on one side of the bracket frames 131a and 132a.
  • the wing holders 131b and 132b may protrude from one side of the bracket frames 131a and 132a.
  • the wing holders 131b and 132b may be a pair.
  • a pair of wing holders 131b and 132b may face each other.
  • the plurality of wing brackets 131 and 132 may include a first wing bracket 131 and a second wing bracket 132.
  • the first wing bracket 131 may be coupled to or fixed to the front bracket 130F and/or the rear bracket 130R, and may face the second wing bracket 132 with respect to the front bracket 130F.
  • the second wing bracket 132 may also be coupled to or fixed to the front bracket 130F and/or the rear bracket 130R.
  • Wings 141 and 142 may include blades 141a and 142a, necks 141b and 142b, and levers 141c and 142c.
  • wings 141 and 142 may be metal.
  • the wings 141 and 142 may be aluminum alloy.
  • the blades 141a and 142a may be long plates and may have ribs to ensure rigidity.
  • the levers 141c and 142c and the necks 141b and 142b may be formed at one end of the blades 141a and 142a.
  • the necks 141b and 142b may connect the levers 141c and 142c and the blades 141a and 142a.
  • the width of the necks 141b and 142b may be smaller than the width of the levers 141c and 142c, and the width of the levers 141c and 142c may be smaller than the width of the blades 141a and 142a.
  • the pivot axes 141p and 142p may be formed on the necks 141b and 142b.
  • the pivot axes 141p and 142p may be inserted into the wing holders 131b and 132b.
  • the wings 141 and 142 may pivot around the pivot axes 141p and 142p and the wing holders 131b and 132b.
  • the first wing 141 may be rotatably or pivotably coupled to the first wing bracket 131, and the second wing 142 may be rotatably or pivotably coupled to the second wing bracket 132.
  • the first wing 141 may be symmetrical with the second wing 142 with respect to the driving unit 130.
  • the sliding mounts 151 and 152 may be coupled to or fixed to the back or back of the plate 120.
  • the first sliding mount 151 may be located adjacent to the left side of the plate 120, and the second sliding mount 152 may be located adjacent to the right side of the plate 120.
  • the end of the first wing 141 may be movably coupled to the first sliding mount 151.
  • the end of the second wing 142 may be movably coupled to the second sliding mount 152.
  • the flip frame (133) may be located between the lever (141c) of the first wing (141) and the lever (142c) of the second wing (142) and may be combined with the levers (141c and 142c). there is.
  • flip frame 133 may be metal.
  • the flip frame 133 may include a first frame 133a and a second frame 133b.
  • the first frame 133a may be U-shaped
  • the second frame 133b may be U-shaped.
  • the first frame 133a may be pivotally connected to the second frame 133b.
  • the pivot pin 133c may connect the first frame 133a and the second frame 133b by passing through the first frame 133a and the second frame 133b.
  • the first frame 133a can pivot with respect to the second frame 133b, and the second frame 133b can pivot with respect to the first frame 133a.
  • the first frame 133a may be fixed to or coupled to the lever 141c of the first wing 141, and the second frame 133b may be fixed to or coupled to the lever 142c of the second wing 142. there is.
  • the moving block 134 may be located inside the flip frame 133.
  • the moving block 134 may be located between the first frame 133a and the second frame 133b of the flip frame 133.
  • the lead screw 135 may be inserted into the moving block 134.
  • the moving block 134 may move in the lead screw 135 according to the rotation of the lead screw 135. When the lead screw 135 rotates and reverses, the moving block 134 may reciprocate in the lead screw 135.
  • the lead screw 135 is coupled to the driving gear 136 and can rotate together with the driving gear 136.
  • the driving gear 136 may rotate while facing the rear of the plate 120 (see FIG. 2).
  • the lead screw 135 may be the rotation axis of the driving gear 136.
  • the bearing (B) may be coupled to one end and/or both ends of the lead screw 135.
  • One end of the lead screw 135 may be inserted into the front bearing (B) and rotate, and the other end of the lead screw 135 may be inserted into the rear bearing (B) and rotate.
  • the lead screw 135 may be press-fitted into the front bearing (B) and rear bearing (B).
  • the motor 137 may be located below the moving block 134.
  • the motor 137 may provide rotational power.
  • the gear box 138 can transmit the rotational force of the motor 137 to the driving gear 136.
  • the first gear 138a is fixed to the rotation shaft 137a of the motor 137 and may rotate together with the rotation shaft 137a of the motor 137.
  • the first gear 138a may be a worm.
  • the second gear 138b may be engaged with the first gear 138a.
  • the second gear 138b may be a worm gear.
  • the first gear 138a and the second gear 138b may be located inside the gear box 138.
  • the transmission gear 138c may be located outside the gear box 138.
  • the transmission gear 138c may be fixed to the rotation shaft 137a of the second gear 138b and may rotate together with the second gear 138b.
  • the transmission gear 138c may be engaged with the driving gear 136.
  • the lead screw 135 may be the rotation axis of the driving gear 136.
  • the driving gear 136 may be fixed to the lead screw 135.
  • the driving gear 136 may be pin-coupled to the lead screw 135.
  • the lead screw 135 may include a shaft body 135a and a screw 135b.
  • the shaft body 135a may be an elongated cylinder, and the screw 135b may be formed on the outer peripheral surface of the shaft body 135a.
  • the moving block 134 may include a moving body 134a and a sliding block 134b.
  • the moving body 134a may be made of metal
  • the sliding block 134b may be made of synthetic resin.
  • the sliding block 134b may be located inside the moving body 134a.
  • the sliding block 134b may be screwed to the lead screw 135.
  • the lead screw 135 may be inserted into the sliding block 134b. As the lead screw 135 rotates, the sliding block 134b may move on the lead screw 135. A gap may be formed between the inner peripheral surface of the sliding block 134b and the screw 135b of the lead screw 135. Accordingly, it is possible to prevent the moving block 134 from being caught while moving on the lead screw 135 or from being locked during movement.
  • the moving body 134a may include an outer part 134a1 and an inner part 134a2.
  • the outer part 134a1 may form the outer surface of the moving body 134a.
  • the inner part 134a2 may be coupled to the inside of the outer part 134a1.
  • the outer part 134a1 may be a U-shaped metal plate, and the inner part 134a2 may be a metal shell having an internal accommodation space.
  • the sliding block 134b may be coupled to the interior of the inner part 134a2.
  • the pivot pin 133c may protrude and extend from the outer part 134a1 of the moving body 134a.
  • the first frame 133a and the second frame 133b of the flip frame 133 may include holes 133H1 and 133H2.
  • the pivot pin 133c may be inserted into the hole 133H2 of the second frame 133b and the hole 133H1 of the first frame 133a.
  • a disk 133d may be located between the first frame 133a and the second frame 133b, and the pivot pin 133c may be inserted into the hole 133dH of the disk 133d.
  • the disk 133d may be made of a material that has high durability and low friction.
  • the intermediate member 139 may be located between the moving body 134a and the pivot pin 133c and the flip frame 133.
  • the intermediate member 139 may cover the upper surface of the moving body 134a and the outer surface of the pivot pin 133c.
  • the intermediate member 139 may be referred to as a low friction member 139 or a lubricating member 139. Additionally, the intermediate member 139 may be referred to as a skin member 139.
  • the intermediate member 139 may include a body portion 139a and a flange portion 139b.
  • the body portion 139a may have a cylindrical shape.
  • the pivot pin 133c may be inserted into the body portion 139a.
  • the body portion 139a may contact the outer surface of the pivot pin 133c, and the flange portion 139b may contact the upper surface of the moving body 134a.
  • the intermediate member 139 may be made of synthetic resin with low friction.
  • the intermediate member 139 may be a low friction material.
  • the intermediate member 139 may be made of POM acetal homopolymer material.
  • the first frame 133a and the second frame 133b of the flip frame 133 may contact or rub against the intermediate member 139 and move around the pivot pin 133c.
  • the intermediate member 139 may fill the gap between the hole 133H1 of the first frame 133a of the flip frame 133 and the pivot pin 133c.
  • the intermediate member 139 may fill the gap between the hole 133H2 of the second frame 133b of the flip frame 133 and the pivot pin 133c.
  • the second frame 133b of the flip frame 133 may be placed on the intermediate member 139. Accordingly, the pivot pin 133c can transmit force to the flip frame 133 without noise or vibration.
  • the moving block 134 and the flip frame 133 may move on the lead screw 135 .
  • the flip frame 133 can reciprocate in the longitudinal direction of the lead screw 135. Movement of the flip frame 133 may pivot the first wing 141 and/or the second wing 142 about the pivot axes 141P and 142P.
  • the first distance D1 from the pivot pin 133c to the pivot axes 141P and 142P may be smaller than the second distance D2 from the pivot axes 141P and 142P to the sliding mounts 151 and 152.
  • the first distance D1 may be 1/4 of the second distance D2.
  • the levers 141c and 142c of the wings 141 and 142 are fixed to the flip frame 133, and the flip frame 133 moves together when the pivot pin 133c moves and moves on the lead screw 135 of the moving block 134. Driving force can be efficiently transmitted to the levers 141c and 142c of the wings 141 and 142 through the flip frame 133.
  • the levers 141c and 142c of the wings 141 and 142 are fixed to the flip frame 133 and move together to increase the first distance D1, allowing the wings 141 and 142 to be driven with a small force. Accordingly, the power transmission efficiency of the driving unit 130 increases and the power consumption of the motor 137 can be reduced.
  • the elastic member 101 may include a first part (101a), a second part (101b), and a third part (101c).
  • the elastic member 101 may be referred to as a first elastic member 101 or a clip 101.
  • the first part 101a may be a plate.
  • the second part 101b may be bent and extend from the first part 101a.
  • the third part 101c may be bent and extend from the second part 101b.
  • the third part 101c may face the first part 101a.
  • the second angle formed by the second part 101b and the third part 101c may be greater than the first angle formed by the first part 101a and the second part 101b. In the extending direction, the length of the third part 101c may be greater than the length of the first part 101a.
  • the elastic member 101 may be a metal plate and may have elasticity.
  • the elastic member 101 may be a leaf spring.
  • the coupling hole 101H1 may be formed in the first part 101a. There may be a plurality of coupling holes 101H1.
  • the support rib 101R may be formed on the third part 101c. The support rib 101R may extend long in the direction in which the third part 101c extends. There may be a plurality of support ribs 101R. The support rib 101R may protrude from the outer surface of the third part 101c. The plurality of support ribs 101R may be parallel to each other.
  • the elastic member 101 may be inserted between the moving block 134 and the levers 141c and 142c of the wings 141 and 142.
  • the first part 101a of the elastic member 101 may be fixed to the levers 141c and 142c of the wings 141 and 142.
  • the first part 101a of the elastic member 101 may be fastened to the levers 141c and 142c of the wings 141 and 142 with screws.
  • the third part 101c of the elastic member 101 may support the moving block 134.
  • the third part 101c of the elastic member 101 may contact the side of the moving block 134.
  • the third part 101c of the elastic member 101 may contact the outer part 134a1 and/or the inner part 134a2 of the moving body 134a.
  • the outer part 134a1 and/or the inner part 134a2 of the moving body 134a that contacts the third part 101c of the elastic member 101 may be rounded.
  • the support rib 101R formed on the third part 101c of the elastic member 101 may contact the inner part 134a2 of the moving block 134.
  • Each of the plurality of elastic members 101 is inserted between the moving block 134 and the lever 141c of the first wing 141 and between the moving block 134 and the lever 142c of the second wing 142. You can.
  • the flip frame 133 flips or pivots around the pivot pin 133c
  • a gap may occur between the pivot pin 133c of the moving block 134 and the holes 133H1 and 133H2 (see FIG. 7) of the flip frame 133.
  • a gap may occur between the pivot pin 133c of the moving block 134 and the holes 133H1 and 133H2 (see FIG. 7) of the flip frame 133.
  • a gap may occur between the pivot pin 133c of the moving block 134 and the holes 133H1 and 133H2 (see FIG. 7) of the flip frame 133.
  • a gap may occur.
  • the elastic member 101 can push the moving block 134 in one direction.
  • the elastic member 101 pushes the moving block 134 in one direction so that the pivot pin 133c of the moving block 134 can be brought into close contact with one side of the holes 133H1 and 133H2 of the flip frame 133.
  • the elastic member 102 may include a lever portion 102a, support portions 102d and 102e, and coil portions 102b and 102c.
  • the elastic member 102 may be formed of wire.
  • the elastic member 102 may be referred to as the second elastic member 102.
  • the lever portion 102a may be a wire bent in a U shape.
  • the coil units 102b and 102c may be connected to the lever unit 102a.
  • the first coil unit 102b may be connected to one end of the lever unit 102a, and the second coil unit 102c may be connected to the other end of the lever unit 102a.
  • the first support part 102d may form the end of the first coil part 102b, and the second support part 102e may form the end of the second coil part 102c.
  • the lever part 102a When the support parts 102d and 102e are fixed, the lever part 102a can rotate or pivot around the coil parts 102b and 102c.
  • the coil units 102b and 102c may provide elastic force to the lever unit 102a.
  • the elastic member 102 may be installed on the wing bracket 132.
  • the support portions 102d and 102e of the elastic member 102 may be fixed to the bracket frame 132a of the wing bracket 132.
  • the lever portion 102a of the elastic member 102 may be supported on the lever 142c of the wing 142.
  • Wing 142 may include a support groove 142c2 and a friction pad 142c1.
  • the support groove 142c2 may be formed at a position corresponding to a portion of the length of the lever portion 102a of the elastic member 102.
  • the friction pad 142c1 may be formed in the support groove 142c2.
  • the friction pad 142c1 may be formed to protrude from the support groove 142c2, and its surface may be smoothly polished.
  • a gap may be formed between the pivot axes (141p, 142p) of the wings (141, 142) and the wing holders (131b, 132b) of the wing brackets (131, 132).
  • the moving block 134 transmits force to the flip frame 133 and the wings 141 and 142 bend the display panel 110
  • the gap between components causes the bending of the display panel 110 to temporarily stop. You can do it.
  • the wings 141 and 142 may receive force from the elastic member 102 toward the front of the display device 100. Accordingly, bending of the display panel 110 can be implemented continuously. Additionally, power consumption of the motor 137 for bending the display panel 110 can be reduced.
  • the sliding block 134b (see FIG. 6) and the lead screw 135, a clearance for the sliding block 134b to move on the lead screw 135 may be formed.
  • the elastic member 102 pushes the wings 141 and 142 to bring the sliding block 134b into close contact with the lead screw 135 in one direction, thereby enabling continuous bending of the display panel 110.
  • the display panel 110 when the display panel 110 is flat, when the rotational force of the motor 137 and the lead screw 135 is released, the flatness of the display panel 110 may change. According to this embodiment, the display panel 110 may be maintained in a flat state and/or the display panel 110 may be maintained in a state curved at a predetermined curvature.
  • Elastic rings 103 and 104 may be positioned surrounding the outer circumference of the lead screw 135.
  • the lead screw 135 may be inserted into the elastic rings 103 and 104.
  • the elastic rings 103 and 104 may be referred to as compression rings 103 and 104 or compression members 103 and 104.
  • the elastic rings 103 and 104 may be high elasticity rubber.
  • the diameter of the elastic rings 103 and 104 may be larger than the diameter of the shaft body 135a of the lead screw 135.
  • the inner diameter of the elastic rings 103 and 104 may be larger than the outer diameter of the shaft body 135a of the lead screw 135.
  • the plurality of elastic rings 103 and 104 may include a first elastic ring 103 and a second elastic ring 104.
  • the first elastic ring 103 may be referred to as the front elastic ring 103
  • the second elastic ring 104 may be referred to as the rear elastic ring 104.
  • the front elastic ring 103 may be located between the driving gear 136 and the moving block 134.
  • the front elastic ring 103 may be in contact with the driving gear 136.
  • the front elastic ring 103 may contact or be spaced apart from the inner part 134a2 of the moving block 134.
  • the front elastic ring 103 can be compressed. Additionally, when the moving block 134 moves away from the driving gear 136, the front elastic ring 103 can push the moving block 134.
  • the rear elastic ring 104 may be located between the bearing (B) and the moving block 134.
  • the rear elastic ring 104 may be in contact with the bearing (B).
  • the moving block 134 may contact or be spaced apart from the outer part 134a1 of the moving block 134.
  • the moving block 134 may compress the rear elastic ring 104. Additionally, when the moving block 134 moves away from the bearing (B), the rear elastic ring 104 can push the moving block 134.
  • bending of the display panel 110 can be implemented continuously. Additionally, a lot of power consumption may be required during initial operation to bend or flatten the display panel 110.
  • the elastic rings 103 and 104 push the moving block 134, thereby reducing the power consumption of the motor 137 for bending the display panel 110.
  • a clearance for the sliding block 134b to move on the lead screw 135 may be formed.
  • the moving block 134 compresses the elastic rings 103 and 104 or the elastic rings 103 and 104 push the moving block 134 so that the sliding block 134b is in close contact with the lead screw 135 in the longitudinal direction of the lead screw 135. As a result, bending of the display panel 110 can be implemented continuously.
  • the display panel 110 when the display panel 110 is flat, when the rotational force of the motor 137 and the lead screw 135 is released, the flatness of the display panel 110 may change. According to this embodiment, the display panel 110 may be maintained in a flat state and/or the display panel 110 may be maintained in a state curved at a predetermined curvature.
  • the flip frame 133 may include holes 133H1 and 133H2.
  • the holes 133H1 and 133H2 may be located adjacent to ends of the first frame 133a and/or the second frame 133b of the flip frame 133.
  • the holes 133H1 and 133H2 may be long holes 133H1 and 133H2 having a major axis and a minor axis.
  • the long axes of the holes 133H1 and 133H2 may be parallel to the longitudinal direction of the frame 133.
  • the short axis of the holes 133H1 and 133H2 may intersect the longitudinal direction of the frame 133.
  • the pivot pin 133c is inserted into the holes 133H1 and 133H2 of the flip frame 133, and the moving block 134 can move on the lead screw 135.
  • the display panel 110 can change from a flat state (see FIG. 17) to curved (see FIG. 18) and to a constant curvature (see FIG. 19). .
  • the moving block 134 When the display panel 110 begins to curve from a flat state or when the display panel 110 is curved to a predetermined curvature and then becomes flat as the curvature radius becomes larger than the predetermined curvature radius, the moving block 134 The direction of movement may change. That is, at the starting and ending points of the moving block 134, the display panel 110 may be flat or curved with a predetermined curvature.
  • the direction in which the pivot pin 133c applies force to the holes 133H1 and 133H2 of the flip frame 133 may change.
  • the display panel is moved by the gap between the pivot pin 133c and the holes 133H1 and 133H2 of the flip frame 133. Continuity may be broken by changes in the curvature of (110).
  • the long axes of the holes 133H1 and 133H2 of the flip frame 133 may form an angle (theta) with respect to the longitudinal direction of the flip frame 133.
  • the angle (theta) is a moving block ( 134) may correspond to the angle (theta) formed by the starting or ending point.
  • the long axes of the holes 133H1 and 133H2 become the pivot axes 141p of the wings 141 and 142 of the moving block 134. It can be parallel to the reference line connecting 142p).
  • the direction of movement of the pivot pin 133c may be aligned with the minor axis direction of the holes 133H1 and 133H2 of the flip frame 133.
  • the pivot pin (133c) changes its moving direction, when the moving direction of the pivot pin (133c) is aligned with the short axis of the holes (133H1, 133H2) of the flip frame (133), the pivot pin (133c) and the flip frame (133) The gap formed between the holes 133H1 and 133H2 can be minimized. Accordingly, the pivot pin 133c can continuously transmit power or force to the flip frame 133 as the moving block 134 moves and/or changes direction.
  • the first sliding mount 151 may be fixed to the rear of the plate 120 adjacent to the first short side (SS1) of the plate 120.
  • the second sliding mount 152 may be fixed to the rear of the plate 120 adjacent to the second short side (SS2) of the plate 120.
  • the driving module 130 is located between the first sliding mount 151 and the second sliding mount 152 and may be coupled to the rear of the plate 120.
  • One end of the first wing 141 may be pivotally connected to the driving module 130, and the other end may be coupled to the first sliding mount 151.
  • the other end of the first wing 141 can move on the first sliding mount 151.
  • One end of the second wing 142 may be pivotally connected to the driving module 130, and the other end may be coupled to the second sliding mount 152.
  • the other end of the second wing 142 can move on the second sliding mount 152.
  • the PCB plate 159 may be located at the rear of the driving module 130.
  • the PCB plate 159 may be fixed to the rear bracket 130R (see FIG. 2) of the drive module 130.
  • PCB boards may be coupled to the PCB plate 159.
  • the side cover 201 may form a wall around the sides of the driving module 130.
  • the side cover 201 may be a square frame.
  • the back cover (not shown) covers the driving module 130 and may be combined with the side cover 201.
  • the slide bracket 160 may be coupled to or fixed to the ends of the wings 141 and 142.
  • the slide bracket 160 may include a long, plate-shaped body 161 and protrusions 162 and 163 formed adjacent to both ends of the body 161.
  • the protrusions 162 and 163 may be referred to as friction protrusions 162 and 163 or contact protrusions 162 and 163.
  • the slide bracket 160 may be metal.
  • the plurality of protrusions 162 and 163 may include front protrusions 163 and rear protrusions 162.
  • the front protrusion 163 may be formed at the first corner C1 and/or the fourth corner C4 of the body 161.
  • the front protrusion 163 may protrude while being pressed toward the front of the body 161.
  • the front protrusion 163 may have a dome or hemisphere shape.
  • the rear protrusion 162 may be formed at the second corner C2 and/or the third corner C3 of the body 161.
  • the rear protrusion 162 may protrude while being pressed toward the rear of the body 161.
  • the rear protrusion 162 may have a dome or hemisphere shape.
  • the rear protrusion 162 may be adjacent to the front protrusion 163.
  • the front protrusion 163 and the rear protrusion 162 may be sequentially arranged along the short side of the body 161.
  • the first pair of front protrusions 163 and rear protrusions 162 may face each other with respect to the wings 141 and 142 .
  • the slide bracket 160 may be combined with the guide cover 170.
  • the slide bracket 160 is inserted into the guide cover 170 and can move in the guide cover 170.
  • the guide cover 170 may be made of synthetic resin with low friction.
  • the guide cover 170 may be made of a low-friction material.
  • the guide cover 170 may be made of POM acetal homopolymer material.
  • the guide cover 170 may include a base 171, a side rail 172, and a fixing plate 173.
  • the base 171 has a long plate shape and may face the slide bracket 160.
  • Side rails 172 may be formed at both ends of the base 171.
  • the side rail 172 may include a lower part (172L) and an upper part (172U). The lower part 172L may extend from the base 171.
  • a lower trench 172LT may be formed in the lower part 172L.
  • the lower trench 172LT may be formed in the lower part 172L as the upper surface of the lower part 172L is long depressed inward.
  • the lower trench 172LT may have a half pipe shape.
  • the front protrusion 163 of the slide bracket 160 can move on the lower trench 172LT.
  • the radius of curvature of the front protrusion 163 may be smaller than the radius of curvature of the lower trench 172LT. Accordingly, the front protrusion 163 may make point contact with the lower trench 172LT.
  • the upper part (172U) is spaced apart from the lower part (172L) and may face the lower part (172L).
  • a gap may be formed between the upper part 172U and the lower part 172L, and the slide bracket 160 may be inserted into the gap.
  • the upper part 172U may have an upper trench 172UT formed therein.
  • the upper trench 172UT may be formed in the upper part 172U when the lower surface of the upper part 172U is depressed inward.
  • the upper trench 172UT may have a half pipe shape.
  • the rear protrusion 162 of the slide bracket 160 can move on the upper trench 172UT.
  • the radius of curvature of the rear protrusion 162 may be smaller than the radius of curvature of the upper trench (172UT). Accordingly, the rear protrusion 162 may make point contact with the upper trench 172UT.
  • the slide bracket 160 and the guide cover 170 are combined to prevent the wings 141 and 142 from sagging due to their own weight.
  • the slide bracket 160 may include a coupling portion 161a and a palm nut 161b or a coupling protrusion 161b for coupling to the wings 141 and 142.
  • the guide cover 170 may include a palm nut 170b or a coupling protrusion 170b for coupling with the sliding mounts 151 and 152.
  • the slide bracket 160 may be adjacent to the ends of the wings 141 and 142 and coupled to the front of the wing blades 141a and 142b.
  • the guide cover 170 may be fixed to the sliding mounts 151 and 152.
  • the slide bracket 160 is inserted into the guide cover 170 and can reciprocate in the longitudinal direction of the wings 141 and 142 in the guide cover 170.
  • the slide bracket 160 can move on the guide cover 170 toward the short sides (SS1 and SS2) of the plate 120.
  • the front protrusion 163 can move in the lower trench 172LT.
  • the front protrusion 163 may move in the lower trench 172LT while contacting or gently rubbing against the surface of the lower trench 172LT.
  • the rear protrusion 162 may move in the upper trench 172UT while contacting or gently rubbing against the surface of the upper trench 172UT.
  • the slide bracket 160 can move on the guide cover 170 from the short sides (SS1, SS2) of the plate 120 toward the driving module 130.
  • the front protrusion 163 can move in the lower trench 172LT.
  • the front protrusion 163 may move in the lower trench 172LT while contacting or gently rubbing against the surface of the lower trench 172LT.
  • the rear protrusion 162 may move in the upper trench 172UT while contacting or gently rubbing against the surface of the upper trench 172UT.
  • the lower trench 172LT may include a first inclined surface 172a and a second inclined surface 172b
  • the upper trench 172UT may include a third inclined surface 172c and a fourth inclined surface 172d.
  • the first inclined surface 172a may form a first angle theta1 with respect to the base surface LB.
  • the second inclined surface 172b may form a second angle theta2 with respect to the base surface LB.
  • the second inclined surface 172b may contact the first inclined surface 172a.
  • the third inclined surface 172c may form a third angle theta3 with respect to the base surface UB.
  • the fourth inclined surface 172d may form a fourth angle theta4 with respect to the base surface UB.
  • the fourth inclined surface 172d may contact the third inclined surface 172c.
  • the boundary between the third inclined surface 172c and the fourth inclined surface 172d may correspond to or be aligned with the boundary between the first inclined surface 172a and the second inclined surface 172b.
  • the boundary between the third inclined surface 172c and the fourth inclined surface 172d may be aligned on the same line in the vertical direction as the boundary between the first inclined surface 172a and the second inclined surface 172b.
  • the second angle (theta2) may be larger than the first angle (theta1).
  • the third angle (theta3) may be larger than the fourth angle (theta4).
  • the length of the first inclined surface 172a may be greater than the length of the second inclined surface 172b.
  • the length of the fourth inclined surface 172d may be greater than the length of the third inclined surface 172c.
  • the third inclined surface 172c may face the first inclined surface 172a, and the second inclined surface 172b may face the fourth inclined surface 172d.
  • the slide bracket 160 to which the wing 140 is coupled may be inserted or coupled to the guide cover 170 and the sliding mounts 151 and 152.
  • the slide bracket 160 can move in the longitudinal direction of the wing 140 from the guide cover 170.
  • the slide bracket 160 can move from the first inclined surface 172a to the second inclined surface 172b.
  • the slide bracket 160 can move from the second inclined surface 172b to the first inclined surface 172a.
  • the front protrusion 163 of the slide bracket 160 may slide while contacting the lower trench 172LT. .
  • the front protrusion 163 may rub against the lower trench 172LT.
  • the rear protrusion 162 may slide while contacting the upper trench 172UT or may slide while supported by the upper trench 172UT.
  • the front protrusion 163 of the slide bracket 160 is in contact with the lower trench 172LT. It may slide while being supported by the lower trench (172LT).
  • the rear protrusion 162 may slide while contacting the upper trench 172UT or may slide while supported by the upper trench 172UT.
  • the curved curvature may become a normal curvature or close to a normal curvature.
  • the plate 120 (see FIG. 2) may be referred to as a bottom cover 120 or 200 or a rear cover 120 or 200.
  • Bottom cover 200 may include an inner plate 210.
  • FIG. 31 is a view showing the front of the inner plate 210
  • FIG. 32 is a view showing the back of the inner plate 210.
  • the inner plate 210 may include metal and may be a thin plate.
  • the inner plate 210 may be flexible in the direction in which the display panel 110 is curved.
  • the inner plate 210 may include a flat plate part 211 and a forming part 212.
  • the flat portion 211 may be a thin plate that extends flat.
  • the flat portion 211 may face the display panel 110 and may have a size and shape corresponding to the display panel 110.
  • the flat portion 211 may have a long side facing the long sides LS1 and LS2 of the display panel 110 and a short side facing the short sides SS1 and SS2 of the display panel 110.
  • the forming part 212 may be formed on the flat part 211.
  • the forming portion 212 may be formed by recessing the flat portion 211 from the front to the rear.
  • the forming portion 212 may extend long in a direction intersecting the curved direction of the inner plate 210.
  • the forming portion 212 may extend long along one side of the inner plate 210.
  • the forming part 212 may extend long in the longitudinal direction of the short side of the flat part 211.
  • the forming part 212 may extend long in the vertical direction.
  • the inner plate 210 includes a first area (A1) including a vertical center line (CL), a second area (A2) adjacent to the first area (A1), and a second area (A2) adjacent to the second area (A2).
  • the second area (A3) may include a third area (A3) facing the first area (A1).
  • the left area and the right area may be symmetrical.
  • the second area A2 may include a left second area LA2 located to the left of the first area A1 and a right second area RA2 located to the right of the first area A1. .
  • the third area (A3) may include a left third area (LA3) located to the left of the first area (A1) and a right third area (RA3) located to the right of the first area (A1). .
  • the left third area LA3 may be adjacent to the left second area LA2, and the right third area LA3 may be adjacent to the right second area RA2.
  • the first area A1 may be an area with minimal deformation when the display panel 110 and/or the inner plate 210 is curved.
  • the second area A2 may be an area that experiences the most deformation when the display panel 110 and/or the inner plate 210 is curved.
  • the third area A3 may be an area supporting the side of the display panel 110 or an area adjacent to the area supporting the side of the display panel 110.
  • the forming unit 212 may be provided in plural numbers.
  • the plurality of forming parts 212 may include a first forming part 212a.
  • the first forming part 212a may be located in the first area A1.
  • the first forming portion 212a may be located in the center of the first area A1 and may be formed symmetrically with respect to the center line CL of the inner plate 210.
  • the first forming part 212a may have a first width W1 and a first depth Dp1.
  • the width of the forming part 212 may be the width in the left-right direction, the horizontal direction, and/or the longitudinal direction of the long side of the flat part 211, and the depth of the forming part 212 may be the width in the front-back direction and/or the inner plate. It may be the depth in the thickness direction of (210).
  • the first forming portion 212a is formed to have a large width in the minimum deformation area A1 when the inner plate 210 is curved, so that the display panel 110 and the bottom cover 200 have normal curvature or close to normal curvature. Can be curved with curvature.
  • the plurality of forming parts 212 may include a second forming part 212b.
  • the second forming part 212b may be located in the second area A2.
  • the second forming part 212 may have a second width (W2) and a second depth (Dp2).
  • the second width (W2) may be smaller than the first width (W1).
  • the second depth (Dp2) may be smaller than the first depth (Dp1).
  • the plurality of second forming parts 212b may be arranged to be spaced apart from each other in the horizontal direction.
  • the plurality of second forming parts 212b may have different widths.
  • the plurality of second forming parts 212b may have a larger width as they are adjacent to the first area A1.
  • the plurality of third forming portions 212b may have a smaller width as they are adjacent to the third area A3.
  • the width of the plurality of second forming parts 212b may become smaller from the first area A1 to the third area A3.
  • the plurality of second forming parts 212b are a 21st forming part 212b1 and a 22nd forming part 212b2 arranged sequentially along the direction from the first area A1 to the third area A3.
  • the 21st forming part 212b1 may be closest to the first area A1 among the plurality of second forming parts 212b.
  • the 25th forming part 212b5 may be closest to the third area A3 among the plurality of second forming parts 212b.
  • the width W21 of the 21st forming part 212b1 may be larger than the width W22 of the 22nd forming part 212b2.
  • the width W22 of the 22nd forming part 212b2 may be larger than the width W23 of the 23rd forming part 212b3.
  • the width W23 of the 23rd forming part 212b3 may be larger than the width W24 of the 24th forming part 212b4.
  • the width W24 of the 24th forming part 212b4 may be equal to the width W25 of the 25th forming part 212b5.
  • the width W24 of the 24th forming part 212b4 may be larger than the width W25 of the 25th forming part 212b5.
  • the plurality of second forming portions 212b may have the same depth. Alternatively, the plurality of second forming parts 212b may have different depths.
  • the plurality of second forming parts 212b may be spaced apart at equal intervals. Alternatively, the plurality of second forming parts 212b may be spaced apart from each other at different intervals. For example, the 21st forming part 212b1 and the 22nd forming part 212b2 may be spaced apart from each other by a first interval ap1, and the 22nd forming part 212b2 and the 23rd forming part 212b3 may be spaced apart from each other by a first interval ap1.
  • the first interval (ap1) may be smaller than the second interval (ap2).
  • the first interval (ap1) may be equal to the third interval (ap3) and may be greater than the fourth interval (ap4).
  • the second forming portion 212b is formed with various widths and depths in the area A2 where the most deformation occurs when the inner plate 210 is curved, so that the display panel 110 and the bottom cover 200 have a positive curvature or It can be curved to a curvature close to normal curvature.
  • the plurality of forming parts 212 may include a third forming part 212c.
  • the third forming part 212c may be located in the third area A3.
  • the third forming part 212c may have a third width W3 and a third depth Dp3.
  • the third width (W3) may be smaller than the second width (W2).
  • the third depth (Dp3) may be smaller than the second depth (Dp2).
  • the plurality of third forming parts 212c may be arranged to be spaced apart from each other in the horizontal direction.
  • the plurality of third forming parts 212c may be spaced apart at equal intervals.
  • the width and depth of the plurality of third forming portions 212c may all be formed to be the same.
  • the plurality of third forming parts 212c may include five third forming parts 212c.
  • the third forming part 212c can secure the rigidity of the side of the inner plate 210, and through this, the display panel 110 and the bottom cover 200 can be curved to a normal curvature or a curvature close to the normal curvature. You can.
  • the display panel 110 and the bottom cover 200 may be curved to a normal curvature or a curvature close to the normal curvature.
  • the first to third forming parts 212a, 222b, and 222c may all have the same length.
  • the length of the forming part 212 may be the length in the vertical direction, the vertical direction, and/or the longitudinal direction of the short side of the flat part 211.
  • the plurality of third forming parts 212c may be provided in greater numbers than the plurality of second forming parts 212b.
  • the plurality of second forming parts 212b may be provided in greater numbers than the first forming parts 212a.
  • the first forming part 212a may be provided as one
  • the second forming part 212b may be provided as five
  • the third forming part 212c may be provided as six.
  • the display panel 110 and the bottom cover 200 can be curved to a normal curvature or a curvature close to the normal curvature.
  • the third forming portion 212c in the largest number, the rigidity of the short side of the inner plate 210 can be strengthened.
  • the forming part 212 may include a groove part (212G) and a tapered part (212T).
  • the groove portion 212G may be formed by pressing backward from the flat portion 211.
  • the tapered portion 212T may be a portion that connects the groove portion 212G and the flat portion 211.
  • the tapered portion 212T may connect the edge of the groove portion 212G and the flat portion 211.
  • the tapered portion 212T may be formed to be inclined.
  • the tapered portion 212T may include a curved surface at least in part.
  • the tapered portion 212T may be formed to be inclined upwardly from the groove portion 212G to the flat portion 211.
  • the groove portion 212G and the tapered portion 212T may be formed in each of the first forming portion 212a, the second forming portion 212b, and the third forming portion 212c.
  • the inner plate 210 may include a fourth area A4.
  • the fourth area A4 may be adjacent to the first to third areas A1, A2, and A3.
  • the fourth area A4 may be located above the first to third areas A1, A2, and A3.
  • the fourth area A4 may extend long along the longitudinal direction of the long side of the flat part 211.
  • the fourth area A4 may be parallel to the display panel 110, and the top of the display panel 110 may be coupled thereto.
  • An adhesive member may be positioned between the fourth area A4 and the display panel 110.
  • the hole 213H may be formed in the fourth area A4.
  • the hole 213H may be a long hole in the left and right directions.
  • the holes 213H may be provided in plural numbers and may be spaced apart along the longitudinal direction of the long side of the inner plate 210.
  • the hole 213H may include a first hole 213H1, a second hole 213H2, a third hole 213H3, and a fourth hole 213H4.
  • the bottom cover 200 including the inner plate 210 and/or the outer plate 210 and the display panel 110 may be curved to a normal curvature or a curvature close to the normal curvature.
  • the inner plate 210 may include a fifth area A5.
  • the fifth area A5 may be adjacent to the first to third areas A1, A2, and A3.
  • the fifth area A5 may be located below the first to third areas A1, A2, and A3.
  • the fifth area A5 may face the fourth area A4 with respect to the first to third areas A1, A2, and A3.
  • the fifth area A5 may extend long along the longitudinal direction of the long side of the flat part 211.
  • the fifth area A5 may be parallel to the display panel 110, and the lower end of the display panel 110 may be coupled thereto.
  • An adhesive member may be positioned between the fifth area A5 and the display panel 110.
  • Both ends of the display panel 110 may be coupled to the third area A3 of the inner plate 210.
  • the left end of the display panel 110 may be coupled to the left third area LA3, and the right end of the display panel 110 may be coupled to the right third area RA3.
  • the left end of the display panel 110 may be coupled to the outermost part of the left third area LA3, and the right end of the display panel 110 may be coupled to the outermost part of the right third area RA3.
  • An adhesive member may be positioned between the third area A3 of the inner plate 210 and the display panel 110.
  • Bottom cover 200 may include a side frame 220.
  • the side frame 220 may form a square border.
  • the side frame 220 may extend from the inner plate 210.
  • the side frame 220 may be formed as one body with the inner plate 210.
  • the side frame 220 may include a first side frame 221.
  • the first side frame 221 may be adjacent to the first long side LS1 of the display panel 110.
  • the first side frame 221 may extend from the fourth area A4 of the inner plate 210.
  • the first side frame 221 may include a first horizontal portion 221H and a first vertical portion 221V.
  • the first horizontal portion 221H may extend upward from the fourth area A4.
  • the first horizontal portion 221H may protrude forward with respect to the fourth area A4 and form a step with the fourth area A4.
  • the first horizontal portion 221H may be pressed forward and protrude from the fourth area A4.
  • the first horizontal portion 221H may face the first long side LS1 of the display panel 110.
  • the first horizontal portion 221H may extend long along the first long side LS1 of the display panel 110.
  • the first vertical portion 221V may extend in a direction intersecting the extension direction of the first horizontal portion 221H and may be formed at an edge of the first horizontal portion 221H.
  • the first vertical portion 221V may extend long along the edge of the first horizontal portion 221H.
  • the side frame 220 may include a second side frame 222.
  • the second side frame 222 may be adjacent to the second long side LS2 of the display panel 110.
  • the second side frame 222 may extend from the fifth area A5 of the inner plate 210.
  • the second side frame 222 may face the first side frame 221 with respect to the display panel 110.
  • the second side frame 222 may include a 21st horizontal portion 222H1, a second vertical portion 222V, and a 22nd horizontal portion 221H2.
  • the 21st horizontal portion 222H1 may extend upward from the fifth area A5.
  • the 21st horizontal portion 222H1 may protrude forward with respect to the fifth area A5 and form a step with the fifth area A5.
  • the 21st horizontal portion 222H1 may be pressed forward and protrude from the fifth area A5.
  • the 21st horizontal portion 222H1 may face the second long side LS2 of the display panel 110.
  • the 21st horizontal portion 222H1 may extend long along the second long side LS2 of the display panel 110.
  • the second vertical portion 222V may extend in a direction intersecting the extension direction of the 21st horizontal portion 222H1 and may be formed at an edge of the 21st horizontal portion 222H2.
  • the second vertical portion 222V may extend long along the edge of the 21st horizontal portion 222H2.
  • the 22nd horizontal part 222H2 may be located behind the 21st horizontal part 222H1 and face the 21st horizontal part 222H1.
  • the 22nd horizontal portion 222H2 may extend in a direction parallel to the extension direction of the 21st horizontal portion 222H1.
  • the 22nd horizontal part 222H2 may be connected to the second vertical part 222V. That is, the second vertical part 222V may connect the 21st horizontal part 222H1 and the 22nd horizontal part 222H2, and the 21st horizontal part 222H1 may be connected to the front edge of the second vertical part 222V.
  • the 22nd horizontal portion 222H2 may be connected to the rear edge of the second vertical portion 222V.
  • the 21st horizontal portion 222H1 may extend upward by a first length from the rear edge of the second vertical portion 222V, and the 22nd horizontal portion 222H2 may extend a second length from the rear edge of the second vertical portion 222V. It can be extended upward along its length. At this time, the second length may be larger than the first length.
  • the side frame 220 may include a third side frame 223.
  • the third side frame 223 may be adjacent to the first short side SS1 of the display panel 110.
  • the third side frame 223 may extend from the left third area LA3 of the inner plate 210.
  • the third side frame 223 may include a 31st horizontal portion 223H1, a 32nd horizontal portion 223H2, and a third vertical portion 223V.
  • the 31st horizontal portion 223H1 may extend from the left third area LA3.
  • the 31st horizontal portion 223H1 may protrude forward with respect to the left third area LA3 and may form a step with the left third area LA3.
  • the 31st horizontal portion 223H1 may be pressed forward and protrude from the left third area LA3.
  • the 31st horizontal portion 223H1 may face the first short side SS1 of the display panel 110.
  • the 31st horizontal portion 223H1 may extend long along the first short side SS1 of the display panel 110.
  • the third vertical portion 223V may extend in a direction intersecting the extension direction of the 31st horizontal portion 223H1 and may be formed at an edge of the 31st horizontal portion 223H1.
  • the third vertical portion 223V may extend long along the edge of the 31st horizontal portion 223H1.
  • the 32nd horizontal portion 223H2 may be located behind the 31st horizontal portion 223H1 and may face the 31st horizontal portion 223H1.
  • the 32nd horizontal portion 223H2 may extend in a direction parallel to the extension direction of the 31st horizontal portion 223H1.
  • the 32nd horizontal part 223H2 may be connected to the third vertical part 223V. That is, the third vertical part 223V may connect the 31st horizontal part 223H1 and the 32nd horizontal part 223H2, and the 31st horizontal part 223H1 may be connected to the front edge of the third vertical part 223V.
  • the 32nd horizontal part 223H2 may be connected to the rear edge of the third vertical part 222V.
  • the 31st horizontal portion 223H1 may extend to the left by a first length from the rear edge of the third vertical portion 223V, and the 32nd horizontal portion 223H2 may extend from the rear edge of the third vertical portion 223V. It can be extended to the right by 2 lengths. At this time, the second length may be larger than the first length.
  • the side frame 220 may include a fourth side frame 224.
  • the fourth side frame 224 may be adjacent to the second short side SS2 of the display panel 110.
  • the fourth side frame 224 may extend from the right third area RA3 of the inner plate 210.
  • the fourth side frame 224 may include a 41st horizontal portion 224H1, a 42nd horizontal portion 224H2, and a fourth vertical portion 224V.
  • the 41st horizontal portion 224H1 may extend from the right third area RA3.
  • the 41st horizontal portion 224H1 may protrude forward with respect to the right third area RA3 and form a step with the right third area RA3.
  • the 41st horizontal portion 224H1 may be pressed forward and protrude from the right third area RA3.
  • the 41st horizontal portion 224H1 may face the second short side SS2 of the display panel 110.
  • the 41st horizontal portion 224H1 may extend long along the second short side SS2 of the display panel 110.
  • the fourth vertical portion 224V may extend in a direction intersecting the extension direction of the 41st horizontal portion 224H1 and may be formed at an edge of the 41st horizontal portion 224H1.
  • the fourth vertical portion 224V may extend long along the edge of the 41st horizontal portion 224H1.
  • the 42nd horizontal portion 224H2 may be located behind the 41st horizontal portion 224H1 and may face the 41st horizontal portion 224H1.
  • the 42nd horizontal portion 224H2 may extend in a direction parallel to the extension direction of the 41st horizontal portion 224H1.
  • the 42nd horizontal part 224H2 may be connected to the fourth vertical part 224V. That is, the fourth vertical portion 224V may connect the 41st horizontal portion 224H1 and the 42nd horizontal portion 224H2, and the 41st horizontal portion 224H1 may be connected to the front edge of the fourth vertical portion 224V.
  • the 42nd horizontal part 224H2 can be connected to the rear edge of the 4th vertical part 224V.
  • the 41st horizontal portion 224H1 may extend to the right by a first length from the rear edge of the fourth vertical portion 224V, and the 42nd horizontal portion 224H2 may extend from the rear edge of the fourth vertical portion 224V to the right. It can be extended to the left by 2 lengths. At this time, the second length may be larger than the first length.
  • Bottom cover 200 may include an outer plate 230.
  • the outer plate 230 may face the display panel 110 with respect to the inner plate 210 .
  • the outer plate 230 may be located behind the inner plate 210.
  • the outer plate 230 may be coupled to the inner plate 210.
  • the outer plate 230 may be coupled to the side frame 220.
  • the outer plate 230 may be a flexible thin metal plate.
  • the outer plate 230 may be made of flexible thin plastic.
  • the outer plate 230 may include a center part 231.
  • the center part 231 may face the inner plate 230 and may be spaced rearward from the inner plate 230.
  • the center part 231 may face the flat plate portion 211 and may be parallel to the flat plate portion 211.
  • the center part 231 may be a thin rectangular plate having a long side and a short side.
  • the outer plate 230 may include an upper part 232.
  • the upper part 232 may extend in a direction crossing the longitudinal direction of the long side of the center part 231.
  • the upper part 232 may be formed on the upper edge of the center part 231, and may be formed by bending forward from the upper edge of the center part 231.
  • the upper part 232 may extend long along the longitudinal direction of the long side of the center part 231.
  • the upper part 232 may be coupled to the first side frame 221.
  • the upper part 232 may face the first vertical portion 221V of the first side frame 221.
  • the upper part 232 may be located below the first vertical portion 221V of the first side frame 221 and may be coupled to the first vertical portion 221V.
  • An adhesive member may be positioned between the upper part 232 and the first vertical portion 221V.
  • the outer plate 230 may include a lower part 233.
  • the lower part 233 may face the upper part 231 with respect to the center part 231.
  • the lower part 233 may be pressed forward from the bottom of the center part 231 and protrude.
  • the lower part 233 may be fixed to the lower front of the center part 231.
  • the lower part 233 may be a rectangular thin plate.
  • the lower part 233 may extend along the longitudinal direction of the long side of the center part 231.
  • the lower part 233 may be coupled to the second side frame 222.
  • the lower part 233 may be located between the 21st horizontal portion 222H1 and the 22nd horizontal portion 222H2 of the second side frame 222, and may be coupled to the 22nd horizontal portion 222H2.
  • the upper end of the 22nd horizontal part 222H2 may face the lower end of the center part 231 vertically.
  • An adhesive member may be located between the lower part 233 and the 22nd horizontal part 222H2.
  • the outer plate 230 may include a first side part 234.
  • the first side part 234 may be pressed forward from the left end of the center part 231 and protrude. Alternatively, the first side part 234 may be fixed to the front left end of the center part 231.
  • the first side part 234 may be a rectangular thin plate.
  • the first side part 234 may extend along the longitudinal direction of the short side of the center part 231.
  • the first side part 234 may be coupled to the third side frame 223.
  • the first side part 234 may be located between the 31st horizontal part 223H1 and the 32nd horizontal part 223H2 of the third side frame 223, and may be coupled to the 32nd horizontal part 223H2. .
  • the right end of the 32nd horizontal part 223H2 may face the left end of the center part 231 left and right.
  • An adhesive member may be positioned between the first side part 234 and the 32nd horizontal portion 223H2.
  • the outer plate 230 may include a second side part 235.
  • the second side part 235 may be pressed forward from the right end of the center part 231 and protrude. Alternatively, the second side part 235 may be fixed to the front right end of the center part 231.
  • the second side part 235 may be a rectangular thin plate.
  • the second side part 235 may extend along the longitudinal direction of the short side of the center part 231.
  • the second side part 235 may face the first side part 234 with respect to the center part 231.
  • the second side part 235 may be coupled to the fourth side frame 224.
  • the second side part 235 may be located between the 41st horizontal portion 224H1 and the 42nd horizontal portion 224H2 of the fourth side frame 224, and may be coupled to the 42nd horizontal portion 224H2. .
  • the right end of the 42nd horizontal part 224H2 may face the right end of the center part 231 left and right.
  • An adhesive member may be positioned between the second side part 235 and the 42
  • the side frame 220 can cover the side of the display panel 110, and can space and fix the outer plate 230 rearward from the inner plate 210. Through this, it is possible to secure a space for forming the forming part 212 of the inner plate 210, and the bottom cover 200 and the display panel 110 including the inner plate 210 and/or the outer plate 210 It can be curved to a normal curvature or a curvature close to the normal curvature.
  • the inner plate 210 may include a coupling protrusion 210P.
  • the coupling protrusion 210P may be formed on the first forming portion 212a.
  • the coupling protrusion 210P may protrude forward from the first forming portion 212a.
  • the coupling protrusion 210P may have a height corresponding to the first depth Dp1 of the first forming portion 212a.
  • the plurality of coupling protrusions 210P may be provided as six coupling protrusions 212ap and may be spaced apart from each other.
  • a plurality of coupling protrusions 210P may be provided in two rows within the first forming portion 212a, and each row may include three coupling protrusions 210P.
  • the outer plate 230 may include a hole 230H penetrating the outer plate 230 front and rear. There may be a plurality of holes 230H. Each of the hole 230H and/or the plurality of holes 230H may be aligned with the coupling protrusion 210P.
  • the fastening member may pass through the hole 230H of the outer plate 230 and be fastened to the coupling protrusion 210P.
  • the fastening member may be a palm nut.
  • the coupling protrusion 210P can support the display panel 110 and the inner plate 210 to maintain the gap between the display panel 110 and the first forming part 212a, which is formed deeper and wider than the other forming parts.
  • the bottom cover 200 including the inner plate 210 and/or the outer plate 210 and the display panel 110 may be curved to a normal curvature or a curvature close to the normal curvature.
  • the flip frame 133 moves in the longitudinal direction of the lead screw 135 to form the wing 140.
  • the slide bracket 160 moves in the sliding mounts 151 and 152 (see FIG. 26) and the guide cover 170, pushing both ends of the display panel 110 and plate 120 to move the display panel. (110) can be curved.
  • the flip frame 133 moves in the opposite direction of the lead screw 135 to pivot the wing 140 in the opposite direction about the pivot axes 141P and 142P.
  • the slide bracket 160 moves in the sliding mounts 151 and 152 and the guide cover 170, pulling both ends of the display panel 110 and plate 120, and holding the display panel ( 110) can be flattened.
  • the display device includes: a flexible display panel 110; A bottom cover 200 located behind the display panel 110 and to which the display panel 110 is coupled; A driving module 130 located behind the bottom cover 200 and including a moving block 134 that moves back and forth; Wing brackets 131 and 132 adjacent to the driving module 130 and fixed to the rear of the bottom cover 200; And, a wing ( 141, 142), and the bottom cover 200 includes: a flexible inner plate 210 facing the rear of the display panel 110 and coupled to a side of the display panel 110,
  • the inner plate 210 includes: a flat plate portion 211 facing the rear of the display panel 110 and having a long side and a short side;
  • the forming part 212 is formed by pressing backward from the flat part 211; it may include a forming part 212 extending long in the longitudinal direction of the short side.
  • the forming portions 212 are provided in plural pieces, and the plurality of forming portions 212 are spaced apart from each other in the longitudinal direction of the long side and may be formed to have different widths.
  • the inner plate 210 includes: a first area A1 including the vertical center line CL of the inner plate 210; a second area (A2) adjacent to the first area (A1); And, it includes a third area (A3) adjacent to the second area (A2) and opposite to the first area (A1) with respect to the second area (A2), and the forming portion 212 includes: A first forming portion 212a located in the first area A1 and having a first width W1; a second forming portion (212b) located in the second area (A2) and having a second width (W2) smaller than the first width (W1); and a third forming portion 212c located in the third area A3 and having a third width W3 that is smaller than the second width W2.
  • the first forming part 212a has a first depth Dp1 in the thickness direction of the inner plate 210, and the second forming part 212b is smaller than the first depth Dp1 in the thickness direction. Having a second depth Dp2, the third forming part 212c may have a third depth Dp3 that is smaller than the second depth Dp2 in the thickness direction.
  • the second forming parts 212b are provided in plural pieces, and the plurality of second forming parts 212b are sequentially arranged in a direction from the second area A2 to the third area A3, , the width of each of the plurality of second forming parts 212b may become smaller as it is located adjacent to the third area A3.
  • the third forming portions 212c may be provided in plural pieces, and the width W3 of each of the plurality of third forming portions 212c may be the same.
  • Each of the first to third forming parts 212a, 212b, and 212c is provided in plural pieces, and the third forming parts 212c are provided in greater numbers than the second forming parts 212b, and the second forming parts (212b) may be provided in greater numbers than the first forming portion (212a).
  • the forming portion 212 includes: a groove portion 212G forming a step with the flat portion 211; And it may include a tapered portion 212T that connects the edges of the flat portion 211 and the groove portion 212G and is formed to be inclined.
  • the inner plate 210 includes: a fourth area (A4) adjacent to the first to third areas (A1, A2, A3) and to which one end of the display panel 110 is coupled; It is adjacent to the first to third areas (A1, A2, A3), and faces the fourth area (A4) with respect to the first to third areas (A1, A2, A3), and the display panel 110 )
  • the bottom cover 200 includes a side frame 220 supporting the side sides of the display panel 110, and the side frame 220 includes: the fourth area A4 of the inner plate 210.
  • a first horizontal portion 221H extending from the fourth area A4 and pressed forward to form a step, and a first vertical portion 221V extending in a direction intersecting the first horizontal portion 221H.
  • a first side frame 221 including;
  • a 21st horizontal portion 222H1 extending from the fifth area A5 of the inner plate 210 and pressed forward with respect to the fifth area A5 to form a step, and a 21st horizontal portion ( A second vertical portion (222V) extending in a direction intersecting the second vertical portion (222V) and a 22nd horizontal portion (222H2) extending in a direction intersecting the second vertical portion (222V) and facing the 21st horizontal portion (222H1)
  • the upper side of the display panel 110 faces the first horizontal portion 221H
  • the lower side of the display panel 110 faces the 21st horizontal portion. You can encounter (222H1).
  • the height of the 22nd horizontal part 222H2 may be greater than the height of the 21st horizontal part 222H1.
  • the bottom cover 200 includes a flexible outer plate 230 facing the inner plate 210 at the rear of the inner plate 210 and coupled to the inner plate 210, and the outer plate ( 230) is: a center part 231 facing the inner plate 210 and spaced rearward from the inner plate 210; An upper part 232 extending forward from the top of the center part 231, facing the first vertical part 221V, and coupled to the first vertical part 221V; And a lower part 233 coupled to the lower end of the center part 2310, located between the 21st horizontal part 222H1 and the 22nd horizontal part 222H2, and coupled to the 22nd horizontal part 222H2. may include.
  • the inner plate 210 includes: a coupling protrusion 210P protruding forward from the inner plate 210, and includes a coupling protrusion 210P located on the first forming portion 212a, and the outer plate (230) may include a hole (230H) aligned with the coupling protrusion (210P).
  • the engaging protrusion 210P may be formed at a height corresponding to the depth Dp1 of the first forming portion 212a.
  • 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)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

L'invention concerne un dispositif d'affichage. Le dispositif d'affichage décrit dans la présente invention comprend : un panneau d'affichage flexible ; un couvercle inférieur qui est situé derrière le panneau d'affichage et auquel le panneau d'affichage est couplé ; un module d'entraînement qui est situé derrière le couvercle inférieur et qui comporte un bloc mobile qui effectue un mouvement de va-et-vient ; un support d'aile qui est adjacent au module d'entraînement et fixé à l'arrière du couvercle inférieur ; et une aile qui s'étend dans le sens de la longueur, dont une extrémité est fixée au bloc mobile et dont l'autre extrémité est couplée au couvercle inférieur, et qui est reliée au support d'aile de manière pivotante entre ladite extrémité et l'autre extrémité. Le couvercle inférieur fait face à la surface arrière du panneau d'affichage et comprend une plaque interne flexible à laquelle les côtés latéraux du panneau d'affichage sont couplés. La plaque interne fait face à la surface arrière du panneau d'affichage et comprend : une partie plate ayant des côtés longs et des côtés courts ; et une partie de formation qui est formée en étant pressée vers l'arrière à partir de la partie plate et qui s'étend dans le sens de la longueur dans la direction longitudinale des côtés courts.
PCT/KR2022/015001 2022-10-05 2022-10-05 Dispositif d'affichage WO2024075866A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2022/015001 WO2024075866A1 (fr) 2022-10-05 2022-10-05 Dispositif d'affichage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2022/015001 WO2024075866A1 (fr) 2022-10-05 2022-10-05 Dispositif d'affichage

Publications (1)

Publication Number Publication Date
WO2024075866A1 true WO2024075866A1 (fr) 2024-04-11

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Application Number Title Priority Date Filing Date
PCT/KR2022/015001 WO2024075866A1 (fr) 2022-10-05 2022-10-05 Dispositif d'affichage

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Country Link
WO (1) WO2024075866A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204516278U (zh) * 2014-12-30 2015-07-29 上海协度电子科技有限公司 曲面显示器
KR20150092428A (ko) * 2014-02-04 2015-08-13 삼성디스플레이 주식회사 표시장치 및 이에 채용되는 곡률가변장치
KR101720178B1 (ko) * 2016-05-27 2017-03-27 엘지전자 주식회사 디스플레이 디바이스
KR20220008593A (ko) * 2020-07-14 2022-01-21 엘지디스플레이 주식회사 디스플레이 장치
CN217234953U (zh) * 2022-01-03 2022-08-19 深圳市明彩视界科技有限公司 一种带有弯曲度调节结构的柔性液晶显示屏

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150092428A (ko) * 2014-02-04 2015-08-13 삼성디스플레이 주식회사 표시장치 및 이에 채용되는 곡률가변장치
CN204516278U (zh) * 2014-12-30 2015-07-29 上海协度电子科技有限公司 曲面显示器
KR101720178B1 (ko) * 2016-05-27 2017-03-27 엘지전자 주식회사 디스플레이 디바이스
KR20220008593A (ko) * 2020-07-14 2022-01-21 엘지디스플레이 주식회사 디스플레이 장치
CN217234953U (zh) * 2022-01-03 2022-08-19 深圳市明彩视界科技有限公司 一种带有弯曲度调节结构的柔性液晶显示屏

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