公开(公告)号：US20250016506A1

公开(公告)日：2025-01-09

申请号：US18750118

申请日：2024-06-21

Applicant: LG Display Co., Ltd.

Inventor： YoungWook HA ,  Chiwan KIM ,  Yong-Su HAM

IPC: H04R17/00 ,  H04R1/02 ,  H04R1/28 ,  H04R7/06

Abstract: A vibration apparatus may include a vibration generating part including a plurality of vibration parts and a connection layer between the plurality of vibration parts, and the connection layer may include a glass frit.

公开(公告)号：US20230019257A1

公开(公告)日：2023-01-19

申请号：US17851822

申请日：2022-06-28

Applicant: LG Display Co., Ltd.

Inventor： Minji KIM ,  YoungWook HA ,  Chiwan KIM ,  GyungBo HA ,  MinHo SOHN ,  MinKyu CHOI ,  Jeonggoo KANG ,  YuSeon KHO ,  YeongRak CHOI ,  Seungo JEON ,  Kwangho KIM ,  JunSeok OH

IPC: H04R17/00 ,  H04R3/00 ,  H04R1/24 ,  H04R31/00

Abstract: A vibration apparatus may include a vibration plate, a vibration generator at the vibration plate, and a connection member between the vibration plate and the vibration generator. The vibration generator may include a vibration structure. The connection member may include a first connection member between the vibration plate and the vibration structure and overlapping the vibration structure. The connection member may also include a second connection member surrounding the first connection member. A modulus of the first connection member may be greater than a modulus of the second connection member.

公开(公告)号：US20250120321A1

公开(公告)日：2025-04-10

申请号：US18907327

申请日：2024-10-04

Applicant: LG Display Co., Ltd.

Inventor： SeungRyull PARK ,  Chiwan KIM ,  YoungWook HA

IPC: H10N30/50 ,  B06B1/06 ,  H10N30/87

Abstract: A vibration apparatus and an electronic apparatus including the same are discussed. The vibration apparatus can include a vibration generating part. The vibration generating part can include a plurality of electrode layers, a plurality of vibration layers between the plurality of electrode layers and including a piezoelectric material, a first connection member configured to be electrically connected to an electrode layer of a first group among the plurality of electrode layers, and a second connection member configured to be electrically connected to an electrode layer of a second group among the plurality of electrode layers. Each of the plurality of electrode layers is configured to have a shape, which differs from a shape of each of the plurality of vibration layers, and a size which is smaller than a size of each of the plurality of vibration layers.

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.

公开(公告)号：US20240196135A1

公开(公告)日：2024-06-13

申请号：US18411775

申请日：2024-01-12

Applicant: LG Display Co., Ltd.

Inventor： YoungWook HA ,  SeungRyull PARK ,  Chiwan KIM ,  Sungwook KO

IPC: H04R17/00 ,  H10N30/85 ,  H10N30/87 ,  H10N30/88

CPC classification number: H04R17/00 ,  H10N30/852 ,  H10N30/877 ,  H10N30/883 ,  H04R2499/13 ,  H04R2499/15

Abstract: A vibration device can include a vibration portion, a first electrode portion disposed on a first surface of the vibration portion, and a second electrode portion disposed on a second surface of the vibration portion. Also, each of the first electrode portion and the second electrode portion includes a conductive metal particle and a piezoelectric nanoparticle.

公开(公告)号：US20230217161A1

公开(公告)日：2023-07-06

申请号：US17977378

申请日：2022-10-31

Applicant: LG Display Co., Ltd.

Inventor： YoungWook HA ,  Chiwan KIM ,  SeungRyull PARK ,  SangWoo JIN

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

CPC classification number: H04R1/403 ,  H04R1/028 ,  H04R17/00 ,  H04R3/12 ,  H04R1/2896 ,  H04R2499/15 ,  H04R2400/11 ,  H04R2400/03

Abstract: An apparatus can include a display member configured to display an image, a vibration apparatus disposed at a rear surface of the display member, a supporting frame disposed at a rear surface of the vibration apparatus, and an adhesive member disposed between the supporting frame and the rear surface of the display member. In addition, the adhesive member and/or supporting frame is spaced apart from the vibration apparatus, and the vibration apparatus is configured to vibrate in a direction toward the display member.

公开(公告)号：US20220210577A1

公开(公告)日：2022-06-30

申请号：US17555091

申请日：2021-12-17

Applicant: LG Display Co., Ltd.

Inventor： YoungWook HA ,  SeungRyull PARK ,  Chiwan KIM ,  Sungwook KO

IPC: H04R17/00 ,  H01L41/047 ,  H01L41/053 ,  H01L41/18

Abstract: A vibration device can include a vibration portion; a first electrode portion disposed on a first surface of the vibration portion; and a second electrode portion disposed on a second surface of the vibration portion, in which each of the first and second electrode portions include at least one of a conductive metal particle and a carbon particle.

公开(公告)号：US20240236584A1

公开(公告)日：2024-07-11

申请号：US18519470

申请日：2023-11-27

Applicant: LG Display Co., Ltd.

Inventor： YoungWook HA ,  Chiwan KIM ,  Wansoo LEE ,  SeungRyull PARK

IPC: H04R17/00

CPC classification number: H04R17/00

Abstract: A vibration apparatus may include a vibration part, a first electrode part at a first surface of the vibration part, and a second electrode part at a second surface different from the first surface of the vibration part. At least one of the first electrode part and the second electrode part may include metal and an anti-oxidation layer.

公开(公告)号：US20240149302A1

公开(公告)日：2024-05-09

申请号：US18381471

申请日：2023-10-18

Applicant: LG Display Co., Ltd.

Inventor： Chiwan KIM ,  Minji KIM ,  Yong-Su HAM ,  YoungWook HA ,  SiHyun KIM

IPC: B06B1/06 ,  B06B1/02

CPC classification number: B06B1/0618 ,  B06B1/0207 ,  B06B2201/55

Abstract: A vibration apparatus and an apparatus including the same are provided. A vibration apparatus includes a vibration part, a film member including at least one signal line connected with the vibration part, and an adhesive member adjacent to the film member and the vibration part with the at least one signal line between the adhesive member and the vibration part.

公开(公告)号：US20230269542A1

公开(公告)日：2023-08-24

申请号：US18141791

申请日：2023-05-01

Applicant: LG Display Co., Ltd.

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

IPC: H04R17/00 ,  H04R1/02

CPC classification number: H04R17/00 ,  H04R1/028 ,  H04R2499/15

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 to generate sound, and an adhesive member and a connection member between the display panel and the vibration apparatus. The vibration apparatus can include a vibration portion, a first protection member disposed at a first surface of the vibration portion, and a second protection member disposed at a second surface of the vibration portion, the second surface of the vibration portion being different from the first surface of the vibration portion. The connection member can cover a front surface of the first protection member adjacent to the adhesive member.