公开(公告)号：US20240023261A1

公开(公告)日：2024-01-18

申请号：US18221995

申请日：2023-07-14

Applicant: LG Display Co., Ltd. ,  Fine M-Tec Co., LTD.

Inventor： Jungkyu PARK ,  Jaekyu LEE ,  Chang Soo KIM ,  TaeWoo KIM ,  Eunae CHO ,  SangJun LEE

IPC: H05K5/02 ,  F16C11/04

CPC classification number: H05K5/0226 ,  F16C11/04

Abstract: A foldable display apparatus is disclosed that comprises a first set housing and a second set housing and respectively supporting two different portions of a display panel; a sliding plate on an upper surface of one of the first set housing and the second set housing; a spring member applying pressure to the sliding plate such that the sliding plate moves in a direction that is dependent on a direction of folding of the foldable display apparatus; and a hinge assembly connected to the first set housing and the second set housing, the hinge assembly configured to fold the foldable display apparatus in a first direction and fold the foldable display apparatus in a second direction that is opposite the first direction.

公开(公告)号：US20230021638A1

公开(公告)日：2023-01-26

申请号：US17860421

申请日：2022-07-08

Applicant: LG DISPLAY CO., LTD. ,  FINE TECHNIX CO., LTD.

Inventor： YoungJoon YUN ,  Hyunchan KIM ,  Jaekyu LEE ,  Hyeonggwang AN ,  ShinSuk LEE

IPC: H05K5/02 ,  H05K5/00 ,  F16C11/04

Abstract: A foldable display device includes a first support plate and a second support plate, a display panel disposed on the first support plate and the second support plate and a hinge assembly disposed between the first support plate and the second support plate, wherein the hinge assembly includes, a first hinge arm and a second hinge arm rotatably connected to each other, a first virtual axis gear coupled to the first hinge arm, a second virtual axis gear coupled to the second hinge arm, a first rotational gear and a second rotational gear disposed to mesh with each other between the first virtual axis gear and the second virtual axis gear and a first gear arm and a second gear arm fastened to interlock with the first virtual axis gear and the second virtual axis gear, wherein the first support plate, the second support plate, and the display panel perform folding and unfolding operations about a rotation axis different from central axes of the first virtual axis gear and the second virtual axis gear.