公开(公告)号：US12171075B2

公开(公告)日：2024-12-17

申请号：US17977305

申请日：2022-10-31

Applicant: LG Display Co., Ltd.

Inventor： Hyosung Lee ,  SeungHee Lee

IPC: G06F1/16 ,  H05K5/02

Abstract: A display device includes a display part including a display panel for displaying an image, a roller part configured to wind or unwind the display part, and a tape spring configured to move the display part in an upward and/or downward direction in conjunction with an operation of the roller part, and the roller part includes: a motor; a tape spring drum configured to accommodate the motor and connected to the motor, the tape spring drum being configured such that one end of the tape spring is fixed to the tape spring drum, and the tape spring drum winds or unwinds the tape spring; a tape spring casing configured to accommodate the tape spring drum and the tape spring; and a plurality of roll drums connected to two opposite sides of the motor.

公开(公告)号：US11272626B2

公开(公告)日：2022-03-08

申请号：US16939833

申请日：2020-07-27

Applicant: LG Display Co., Ltd.

Inventor： SeungHee Lee ,  Hyosung Lee ,  MiJin Han

IPC: H05K5/02 ,  H05K5/00

Abstract: Provided is a display device. The display device includes a display panel including a plurality of pixels. The display device further includes a roller to which the display panel is wound or unwound. The display device further includes a lifting unit configured to move the display panel in a vertical direction. The lifting unit lifting unit includes a plurality of unit blocks and a plate to which the plurality of unit blocks is fixed. Therefore, the structure of the lifting unit is simplified to improve the durability and the rocking.

公开(公告)号：US20230217610A1

公开(公告)日：2023-07-06

申请号：US17977868

申请日：2022-10-31

Applicant: LG Display Co., Ltd.

Inventor： SeungHee Lee ,  Hyosung Lee

IPC: H05K5/02

CPC classification number: H05K5/0217

Abstract: A display device includes a display panel in which an image is displayed; a tape spring which is connected to the display panel to lift the display panel; a first roller on which the display panel is wound or unwound; a second roller on which the tape spring is wound or unwound; and a timing belt which rotates the second roller in the same direction as the first roller when the first roller is wound or unwound.

公开(公告)号：US11527179B2

公开(公告)日：2022-12-13

申请号：US17462616

申请日：2021-08-31

Applicant: LG Display Co., Ltd.

Inventor： MiJin Han ,  SeungHee Lee ,  Hyosung Lee

IPC: G09F9/30 ,  G06F1/16

Abstract: A display device includes a display panel, a roller around which the display panel is wound or unwound, a housing unit which accommodates the display panel and the roller, a head bar connected to one end of the display panel, and a support plate which supports a rear surface of the display panel, has one side fixed to the head bar, and the other side fixed to the housing unit, and forms a mesh pattern.

公开(公告)号：US20240224445A1

公开(公告)日：2024-07-04

申请号：US18520312

申请日：2023-11-27

Applicant: LG Display Co., Ltd.

Inventor： Hyosung Lee ,  SeungHee Lee

IPC: H05K5/02 ,  F03G1/02 ,  F03G1/08 ,  F03G1/10

CPC classification number: H05K5/0217 ,  F03G1/022 ,  F03G1/08 ,  F03G1/10

Abstract: According to an aspect of the present disclosure, a display device includes: a display unit including a display panel in which an image is displayed; a first roller configured to wind or unwind the display unit; a tape spring which vertically moves the display unit on a rear surface of the display unit; and a second roller configured to wind or unwind the tape spring, the second roller includes: a tape spring drum to which one end of the tape spring is fixed and configured to wind or unwind the tape spring; a tape spring case accommodating the tape spring drum and the tape spring; and a corrugate spring between the tape spring drum and the tape spring case and configured to press the tape spring toward the tape spring drum. Therefore, a slip phenomenon of the tape spring may be improved.

公开(公告)号：US11871529B2

公开(公告)日：2024-01-09

申请号：US17411964

申请日：2021-08-25

Applicant: LG Display Co., Ltd.

Inventor： SeungHee Lee ,  MiJin Han ,  Hanul Lee ,  Hyosung Lee

IPC: H05K5/02 ,  H05K5/00 ,  H05K1/18 ,  H05K1/14 ,  H10K50/84 ,  H05K5/03

CPC classification number: H05K5/0226 ,  H05K5/0017 ,  H10K50/841 ,  H05K1/147 ,  H05K1/189 ,  H05K5/03 ,  H05K2201/056 ,  H05K2201/10128

Abstract: A display device can include a display panel, a roller which guides the sliding of the display panel, a rotary shaft which passes through both ends of the roller, and an elastic member having one end connected to an inner circumferential surface of the roller and the other end connected to the rotary shaft, and the roller and the rotary shaft are rotatably connected to each other. Accordingly, according to the present disclosure, one end and the other end of the elastic member are configured to be rotatable to minimize the excessive increase of the tensile stress of the elastic member which is transmitted to the display panel and improve the reliability of the display panel.

公开(公告)号：US11553610B2

公开(公告)日：2023-01-10

申请号：US17080301

申请日：2020-10-26

Applicant: LG DISPLAY CO., LTD.

Inventor： Hyosung Lee ,  SeungHee Lee ,  MiJin Han

IPC: H05K7/02 ,  H05K7/04 ,  H05K5/02 ,  H05K5/00 ,  H01L27/32 ,  H01L51/00 ,  G09G3/3225 ,  G09G3/00

Abstract: A display device according to an embodiment of the present disclosure includes a display panel, a roller on which the display panel is wound or unwound, and a lifting unit configured to move the display panel in a vertical direction, wherein the lifting unit includes a plurality of chain units configured to be coupled when ascending and separated from each other when descending, a first power transmission unit configured to lift the plurality of chain units, and a second power transmission unit configured to couple or separate the plurality of chain units by switching movement directions of the plurality of chain units, so that durability and wobbling of the display device can be improved.

公开(公告)号：US11521520B2

公开(公告)日：2022-12-06

申请号：US17122605

申请日：2020-12-15

Applicant: LG Display Co., Ltd.

Inventor： MiJin Han ,  SeungHee Lee ,  Hyosung Lee

IPC: G09F9/30

Abstract: A display device includes a display panel, a roller configured to wind or unwind the display panel, a flexible cable configured to transmit an electrical signal to the display panel and including an extension part to be wound around the end of the roller.

公开(公告)号：US20220068170A1

公开(公告)日：2022-03-03

申请号：US17462616

申请日：2021-08-31

Applicant: LG Display Co., Ltd.

Inventor： MiJin Han ,  SeungHee Lee ,  Hyosung Lee

IPC: G09F9/30 ,  G06F1/16

Abstract: A display device includes a display panel, a roller around which the display panel is wound or unwound, a housing unit which accommodates the display panel and the roller, a head bar connected to one end of the display panel, and a support plate which supports a rear surface of the display panel, has one side fixed to the head bar, and the other side fixed to the housing unit, and forms a mesh pattern.

公开(公告)号：US11864334B2

公开(公告)日：2024-01-02

申请号：US17558331

申请日：2021-12-21

Applicant: LG Display Co., Ltd.

Inventor： SeungHee Lee ,  MiJin Han ,  Hyosung Lee

IPC: H05K5/02 ,  G06F1/16

CPC classification number: H05K5/0217 ,  G06F1/1652

Abstract: A display device includes a display assembly including a display panel and a back cover configured to support a rear surface of the display panel, a roller configured to wind or unwind the display assembly, a drive assembly configured to move the roller in an amount corresponding to a winding amount or an unwinding amount of the display assembly about the roller, and a housing configured to accommodate the display assembly, the roller and the drive assembly, the housing having an opening through which the display assembly moves in and out of the housing in response to rotation of the roller.