公开(公告)号：US11659672B2

公开(公告)日：2023-05-23

申请号：US17492345

申请日：2021-10-01

Applicant: LG Display Co., Ltd.

Inventor： SeokHyo Cho ,  JaeHo Kim

IPC: H05K5/02 ,  H05K5/00

CPC classification number: H05K5/0226 ,  H05K5/0017 ,  H05K5/0234

Abstract: Provided is a curvature variable display device including a panel assembly including a display panel, a back plate disposed on a rear surface of the panel assembly, a first side bracket and a second side bracket respectively coupled to two sides of a rear surface of the back plate, a bending plate having one end rotatably coupled to the first side bracket and another end rotatably coupled to the second side bracket and having a convex curvature toward a rear of the back plate, a stand post having an upper end coupled to a center area of the bending plate and a lower end coupled to a stand base, and a dial assembly provided on the stand base to wind or unwind a wire coupled to the rear surface of the back plate and change curvatures of the panel assembly and the back plate.

公开(公告)号：US10930879B2

公开(公告)日：2021-02-23

申请号：US16548769

申请日：2019-08-22

Applicant: LG Display Co., Ltd.

Inventor： JaeHo Kim ,  JongYoung Park ,  DongKwan Yoo

IPC: G06F1/16 ,  H01L51/52 ,  H04N5/655 ,  H05K5/02 ,  H05K5/00

Abstract: According to an aspect of the present disclosure, a display device includes a display panel, a back cover disposed on a back surface of the display panel and a plurality of curvature changing units which is disposed on a back surface of the back cover and implements curvature of the display panel, the back cover and each of the plurality of curvature changing units includes a pair of curvature implementation bars coupled to the back cover and a distance controller controlling a distance between the pair of curvature implementation bars, and each of the pair of curvature implementation bars includes a fixed coupling unit disposed on an outermost side of the curvature implementation bar and coupled to the back cover at a fixed location; and a plurality of variable coupling units disposed on an inner side of the fixed coupling unit and coupled to the back cover at variable locations.

公开(公告)号：US11758671B2

公开(公告)日：2023-09-12

申请号：US17492268

申请日：2021-10-01

Applicant: LG Display Co., Ltd.

Inventor： JaeHo Kim ,  SeokHyo Cho

IPC: H05K5/00 ,  H05K5/02

CPC classification number: H05K5/0226 ,  H05K5/0017

Abstract: Provided is a curvature variable display device including a back plate provided on a rear surface of a panel assembly, a first side bracket and a second side bracket respectively coupled to two sides of a rear surface of the back plate, a bending plate rotatably coupled to the first side bracket and the second side bracket, a stand post coupled to the bending plate and the stand base, a wire moving member built into the stand post to move the wire by driving a motor and change the curvature of the panel assembly and the back plate.

公开(公告)号：US11567546B2

公开(公告)日：2023-01-31

申请号：US17375866

申请日：2021-07-14

Applicant: LG DISPLAY CO., LTD.

Inventor： JaeHo Kim ,  SeokHyo Cho ,  Homin Lee

IPC: G06F1/18 ,  G06F1/16 ,  G09F9/30 ,  G10K9/122 ,  F16M11/20 ,  F16M11/28

Abstract: A display apparatus comprises a display device including a display panel and a back cover on a rear surface of the display panel, and a curvature variation device at the back cover to vary a curvature of the display device, the curvature variation device may include an arc member at a rear region of the display device parallel to a first direction, a supporting plate at the rear region of the display device, a rotation driver on the supporting plate, a rectilinear driver on the supporting plate to perform a rectilinear motion, a rotation link part coupled to a center portion of the arc member on the supporting plate to rotate the center portion of the arc member based on a rectilinear motion of the rectilinear driver, and a holder part rotatably supporting the center portion of the arc member on the supporting plate.

公开(公告)号：US12096576B2

公开(公告)日：2024-09-17

申请号：US17962166

申请日：2022-10-07

Applicant: LG DISPLAY CO., LTD.

Inventor： SeokHyo Cho ,  JaeHo Kim ,  DoYoung Song

IPC: H05K5/02 ,  G06F1/16

CPC classification number: H05K5/0217 ,  G06F1/1652

Abstract: A flexible display device can include a back cover supporting a rear surface of a display panel, a first plate disposed on the rear surface of the back cover, and a second plate disposed on the rear surface of the back cover, the first plate and the second plate being configured to support the rear surface of the back cover and to slide in a lateral direction, and a lever assembly rotatably coupled to a central portion of the rear surface of the back cover and connected to the first plate and the second plate. A rotation of the lever assembly can cause the back cover to bend by sliding the first plate and the second plate in the lateral direction.

公开(公告)号：US12035494B2

公开(公告)日：2024-07-09

申请号：US17962146

申请日：2022-10-07

Applicant: LG DISPLAY CO., LTD.

Inventor： SeokHyo Cho ,  JaeHo Kim

IPC: H05K5/02

CPC classification number: H05K5/0226

Abstract: A flexible display device including connection frames and hinge members, can include a display panel, a back cover supporting a rear surface of the display panel, a plurality of fixing sliders fixed on a rear surface of the back cover and arranged along a longitudinal direction, a central frame disposed at a center of the rear surface of the back cover and having first and second longitudinal ends, a pair of connection frames rotatably connected to the first and second longitudinal ends of the central frame and provided with slot holes through which respective fixing sliders among the plurality of fixing sliders are slidably supported, and a plurality of hinge members. Each hinge member connects a respective one of the first and second longitudinal ends of the central frame to a respective one of the pair of connection frames.

公开(公告)号：US12026022B2

公开(公告)日：2024-07-02

申请号：US18088526

申请日：2022-12-24

Applicant: LG DISPLAY CO., LTD.

Inventor： JaeHo Kim ,  SeokHyo Cho ,  Homin Lee

IPC: G06F1/18 ,  G06F1/16 ,  G09F9/30 ,  G10K9/122 ,  F16M11/20 ,  F16M11/28

CPC classification number: G06F1/181 ,  G06F1/1605 ,  G09F9/301 ,  G10K9/122 ,  F16M11/2021 ,  F16M11/28

Abstract: A display apparatus comprises a display device including a display panel and a back cover on a rear surface of the display panel, and a curvature variation device at the back cover to vary a curvature of the display device, the curvature variation device may include an arc member at a rear region of the display device parallel to a first direction, a supporting plate at the rear region of the display device, a rotation driver on the supporting plate, a rectilinear driver on the supporting plate to perform a rectilinear motion, a rotation link part coupled to a center portion of the arc member on the supporting plate to rotate the center portion of the arc member based on a rectilinear motion of the rectilinear driver, and a holder part rotatably supporting the center portion of the arc member on the supporting plate.

公开(公告)号：US10917985B1

公开(公告)日：2021-02-09

申请号：US17023139

申请日：2020-09-16

Applicant: LG Display Co., Ltd.

Inventor： Hoontaek Lee ,  JaeHo Kim

IPC: H05K5/02 ,  H05K5/00

Abstract: A flexible display device includes a back cover supporting and engaged with the rear surface of a display panel, a curvature changing member provided on the rear surface of the back cover and configured to change a curvature of the back cover, and a rear cover bent along with the back cover and supporting the rear surface of the back cover.