公开(公告)号：US20230217830A1

公开(公告)日：2023-07-06

申请号：US17961724

申请日：2022-10-07

Applicant: LG Display Co., Ltd.

Inventor： Sungwook KO ,  SeungRyull PARK ,  MinGyu KANG

IPC: H01L41/083 ,  H01L41/09 ,  H01L41/047 ,  H01L41/08

CPC classification number: H01L41/083 ,  H01L41/09 ,  H01L41/0471 ,  H01L41/0815

Abstract: The vibration apparatus may include a vibration generating portion including a first vibration portion and a second vibration portion overlapping the first vibration portion, a first cover member at a first surface of the vibration generating portion, a second cover member at a second surface different from the first surface of the vibration generating portion, and a signal cable including first, second and third signal lines connected to the first vibration portion and the second vibration portion and disposed between the first cover member and the second cover member. An apparatus for vibration may include a passive vibration member and the vibration apparatus.

公开(公告)号：US20240013762A1

公开(公告)日：2024-01-11

申请号：US18472152

申请日：2023-09-21

Applicant: LG DISPLAY CO., LTD.

Inventor： Uihyeon JEONG ,  Chiwan KIM ,  YongWoo LEE ,  Sungwook KO

IPC: H05K5/00 ,  H05K5/02 ,  H10N30/20

CPC classification number: H05K5/0018 ,  H05K5/0217 ,  H10N30/20

Abstract: A display apparatus includes a display panel configured to display an image, a vibration generating device at a rear surface of the display panel to vibrate the display panel, and a supporting member at the rear surface of the display panel and including a first hole. The first hole may be disposed at a whole region or periphery of the vibration generating device.

公开(公告)号：US20230007404A1

公开(公告)日：2023-01-05

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 ,  H01L41/09 ,  H01L41/08 ,  H04R1/28

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：US20210306741A1

公开(公告)日：2021-09-30

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

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：US20190198820A1

公开(公告)日：2019-06-27

申请号：US16218209

申请日：2018-12-12

Applicant: LG Display Co., Ltd.

Inventor： Sungwook KO ,  Chiwan KIM

IPC: 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.

公开(公告)号：US20180097196A1

公开(公告)日：2018-04-05

申请号：US15696580

申请日：2017-09-06

Applicant: LG Display Co., Ltd.

Inventor： Sunghee KIM ,  Sungwook KO ,  Jinwuk KIM ,  Suyeon LEE

IPC: H01L51/52 ,  G02F1/1343

CPC classification number: H01L51/5206 ,  G02F1/134363 ,  G02F1/13439 ,  G02F2202/06 ,  H01L2251/5323 ,  Y10T428/1055

Abstract: Disclosed is an electrode including a conductive material and a dopant having a work function of at least 5.0 eV. The conductive material may be one selected from the group consisting of a metal particle having a reflectivity of at least 80%, a carbon allotrope, a conductive polymer, metal nanowire, and a mixture thereof.

公开(公告)号：US20240381035A1

公开(公告)日：2024-11-14

申请号：US18783278

申请日：2024-07-24

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 ,  H10N30/20

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：US20240064470A1

公开(公告)日：2024-02-22

申请号：US18227038

申请日：2023-07-27

Applicant: LG Display Co., Ltd.

Inventor： Kyungyeol RYU ,  SeungRyull PARK ,  Sungwook KO ,  MinGyu KANG ,  Dasol PARK

IPC: H04R9/06 ,  H04R31/00

CPC classification number: H04R9/06 ,  H04R31/00

Abstract: A vibration apparatus includes a vibration generating part including one or more vibration parts, a first cover member covering a first surface of the vibration generating part, a second cover member covering a second surface of the vibration generating part, the second surface being opposite to the first surface of the vibration generating part, and a signal supply member electrically connected to the one or more vibration parts and disposed between the first surface of the vibration generating part and the first cover member.

公开(公告)号：US20240048916A1

公开(公告)日：2024-02-08

申请号：US18381152

申请日：2023-10-17

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：US20220201399A1

公开(公告)日：2022-06-23

申请号：US17532487

申请日：2021-11-22

Applicant: LG Display Co., Ltd.

Inventor： Minji KIM ,  Sungwook KO ,  Seunghyun SUNG ,  SeungRyull PARK ,  YoungWook HA

IPC: H04R17/00 ,  H04R1/02

Abstract: Discussed is an apparatus including a display panel configured to display an image, a vibration apparatus disposed at a rear surface of the display panel to vibrate the display panel and to generate sound via the display panel, and an adhesive member and a connection member between the display panel and the vibration apparatus.