公开(公告)号：US10951992B2

公开(公告)日：2021-03-16

申请号：US16722713

申请日：2019-12-20

Applicant: LG Display Co., Ltd.

Inventor： YongWoo Lee ,  Chiwan Kim ,  Taeheon Kim ,  Sung-Eui Shin ,  Kyungyeol Ryu ,  YuSeon Kho ,  YongGyoon Jang ,  Yong-Su Ham ,  Sungwook Ko

IPC: H04R17/00 ,  H04R1/02 ,  H04R1/28 ,  H04R1/40 ,  H04R3/12 ,  G08B6/00

Abstract: A display apparatus includes a display panel configured to display an image and a plurality of vibration generating devices on a rear surface of the display panel, the display panel being at least one of a vibration plate configured to output sound and a vibration plate configured to output a haptic vibration. Each of the plurality of vibration generating devices includes a first electrode under the display panel, a piezoelectric member under the first electrode, a damping member in a periphery the piezoelectric member, and a second electrode under the piezoelectric member.

公开(公告)号：US12108210B2

公开(公告)日：2024-10-01

申请号：US18304790

申请日：2023-04-21

Applicant: LG Display Co., Ltd.

Inventor： Chiwan Kim ,  YongWoo Lee ,  SeongYong Uhm ,  Sungwook Ko ,  Uihyeon Jeong

IPC: H04R1/40 ,  H04R1/02 ,  H04R3/12 ,  H04R7/06 ,  H04R17/00 ,  G06F3/01

CPC classification number: H04R1/403 ,  H04R1/028 ,  H04R3/12 ,  H04R7/06 ,  H04R17/00 ,  G06F3/016 ,  H04R2201/401 ,  H04R2400/11 ,  H04R2499/15

Abstract: A vibration device enabling a large area and a display apparatus including the vibration device are provided. The vibration device may be configured to include a vibration array including a plurality of vibration modules which are spaced apart from one another by a first interval of less than 3 cm in a first direction.

公开(公告)号：US12101600B2

公开(公告)日：2024-09-24

申请号：US17845444

申请日：2022-06-21

Applicant: LG Display Co., Ltd.

Inventor： Sungwook Ko ,  Kyungyeol Ryu ,  Taehyung Kim ,  MinHo Sohn ,  SeulKi Nam ,  Jeonggoo Kang ,  JunSeok Oh ,  SeungRyull Park ,  Chiwan Kim ,  GyungBo Ha ,  Uihyeon Jeong

IPC: H04R17/00 ,  H04R1/28 ,  H10N30/00 ,  H10N30/20

CPC classification number: H04R17/00 ,  H04R1/2803 ,  H10N30/20 ,  H10N30/708 ,  H04R2430/00 ,  H04R2499/13

Abstract: A vibration apparatus may include a vibration device and an adhesive member at a surface of the vibration device. A modulus of the vibration device may be equal to a modulus of the adhesive member or may be greater than the modulus of the adhesive member.

公开(公告)号：US12047742B2

公开(公告)日：2024-07-23

申请号：US18213648

申请日：2023-06-23

Applicant: LG Display Co., Ltd.

Inventor： YongWoo Lee ,  Chiwan Kim ,  Taeheon Kim ,  Sung-Eui Shin ,  Kyungyeol Ryu ,  YuSeon Kho ,  YongGyoon Jang ,  Yong-Su Ham ,  Sungwook Ko

IPC: H04R17/00 ,  G08B6/00 ,  H04R1/02 ,  H04R1/28 ,  H04R1/40 ,  H04R3/12

CPC classification number: H04R17/00 ,  G08B6/00 ,  H04R1/028 ,  H04R1/288 ,  H04R1/403 ,  H04R3/12 ,  H04R2499/15

Abstract: A display apparatus includes a display panel configured to display an image and a plurality of vibration generating devices on a rear surface of the display panel, the display panel being at least one of a vibration plate configured to output sound and a vibration plate configured to output a haptic vibration. Each of the plurality of vibration generating devices includes a first electrode under the display panel, a piezoelectric member under the first electrode, a damping member in a periphery the piezoelectric member, and a second electrode under the piezoelectric member.

公开(公告)号：US11832056B2

公开(公告)日：2023-11-28

申请号：US17554712

申请日：2021-12-17

Applicant: LG Display Co., Ltd.

Inventor： Sungwook Ko ,  Minji Kim ,  SeungRyull Park

IPC: H04R17/00 ,  H10N30/85

CPC classification number: H04R17/00 ,  H10N30/852 ,  H04R2499/13 ,  H04R2499/15

Abstract: A disclosed vibration device comprises a first vibration generator and a first connection member disposed on a first surface of the first vibration generator. The first vibration generator may comprise a first vibration part including a plurality of inorganic material portions having a piezoelectric characteristic and an organic material portion between the plurality of inorganic material portions.

公开(公告)号：US11671750B2

公开(公告)日：2023-06-06

申请号：US17218605

申请日：2021-03-31

Applicant: LG Display Co., Ltd.

Inventor： Chiwan Kim ,  YongWoo Lee ,  SeongYong Uhm ,  Sungwook Ko ,  Uihyeon Jeong

IPC: H04R1/40 ,  H04R1/02 ,  H04R3/12 ,  H04R7/06 ,  H04R17/00 ,  G06F3/01

CPC classification number: H04R1/403 ,  H04R1/028 ,  H04R3/12 ,  H04R7/06 ,  H04R17/00 ,  G06F3/016 ,  H04R2201/401 ,  H04R2400/11 ,  H04R2499/15

Abstract: A vibration device enabling a large area and a display apparatus including the vibration device are provided. The vibration device may be configured to include a vibration array including a plurality of vibration modules which are spaced apart from one another by a first interval of less than 3 cm in a first direction.

公开(公告)号：US10720608B2

公开(公告)日：2020-07-21

申请号：US16218209

申请日：2018-12-12

Applicant: LG Display Co., Ltd.

Inventor： Sungwook Ko ,  Chiwan Kim

IPC: H01L51/00 ,  H01L51/52 ,  G02F1/01 ,  G02F1/19

Abstract: A lighting device includes a substrate including a display area and a non-display area and an organic light emitting layer disposed in the display area. A first electrode is disposed on the organic light emitting layer and a second electrode is disposed below the organic light emitting layer. A phase change material layer is disposed below the second electrode and a plurality of third electrodes is disposed between the substrate and the phase change material layer. Therefore, a pattern having various colors of light and various shapes may be implemented based on a shape of the plurality of third electrodes, a phase change of the phase change material layer, and a color of light emitted from the organic light emitting layer.