公开(公告)号：US11797054B2

公开(公告)日：2023-10-24

申请号：US17534948

申请日：2021-11-24

Applicant: LG Display Co., Ltd.

Inventor： NohJin Myung ,  Wansoo Lee ,  Youngjoo Park ,  Jieun Lee ,  Eun Roh

IPC: G06F1/16

CPC classification number: G06F1/1652 ,  G06F1/1616 ,  G06F1/1618 ,  G06F1/1681

Abstract: A foldable display device includes a display panel which includes a folding area and non-folding areas on some sides of the folding area, and a hinge unit which is disposed in an area corresponding to the folding area below the display panel to in-fold or out-fold the display panel. The hinge unit includes a plurality of rotary shafts and a plurality of coupling links disposed between the plurality of rotary shafts. Accordingly, the foldable display device can be bi-directionally (e.g., inwardly or outwardly) folded by the hinge unit with a simple structure. Further, a radius of curvature during the folding can be desirably changed by adjusting a component of the hinge unit, for example, a number of the plurality of rotary shafts and the plurality of coupling links, a cross-sectional length, and the like.

公开(公告)号：US12143760B2

公开(公告)日：2024-11-12

申请号：US17941927

申请日：2022-09-09

Applicant: LG Display Co., Ltd.

Inventor： Eun Roh ,  NohJin Myung ,  Seungkyu Lee ,  SangHoon Oh ,  Jieun Lee

IPC: H04R1/24 ,  H04R1/02 ,  H04R17/00

Abstract: A sound apparatus includes a first vibration member, a second vibration member adjacent to the first vibration member, a third vibration member adjacent to the second vibration member, a first vibration apparatus configured to vibrate the first vibration member and the second vibration member and output a sound of a first pitched sound band and a sound of a second pitched sound band which differ, and a second vibration apparatus disposed at a rear surface of the third vibration member and configured to vibrate the third vibration member and output a sound of a third pitched sound band which differs from the sound of the first pitched sound band.

公开(公告)号：US11815947B2

公开(公告)日：2023-11-14

申请号：US17542586

申请日：2021-12-06

Applicant: LG DISPLAY CO., LTD.

Inventor： Jieun Lee ,  NohJin Myung ,  Eun Roh

IPC: G06F1/16

CPC classification number: G06F1/1616

Abstract: A foldable display device includes a display panel including a folding area and a non-folding area, and a support substrate disposed under the display panel, the support substrate includes a first metal sheet including a plurality of wavy curved portions and a first planarization layer disposed on the first metal sheet, and the support substrate includes a second metal sheet disposed on the first planarization layer and having a planar surface shape and a second planarization layer disposed under the first metal sheet, therefore, since the support substrate integrated into a single layer is disposed under the display panel, folding properties of the display device may be improved, and an overall thickness of the display device may be decreased and a transfer of a pattern boundary or a folding area boundary can be minimized.