公开(公告)号：US20200245059A1

公开(公告)日：2020-07-30

申请号：US16851604

申请日：2020-04-17

Applicant: LG Display Co., Ltd.

Inventor： Kwangho KIM ,  YeongRak CHOI ,  Sungtae LEE ,  Hogeol LIM

IPC: H04R1/28 ,  H04N5/64 ,  H04R1/02

Abstract: Disclosed is a display apparatus including a display panel configured to display an image by emitting light, a rear surface structure configured to surround lateral and rear surfaces of the display panel, a vibration generating device connected with the rear surface structure and configured to vibrate the display panel, a rear sound emitting portion between the display panel and the rear surface structure, a rear sound guide between the display panel and the rear surface structure to surround the vibration generating device in a spiral shape and configured to connect with the rear sound emitting portion.

公开(公告)号：US20200213764A1

公开(公告)日：2020-07-02

申请号：US16708982

申请日：2019-12-10

Applicant: LG Display Co., Ltd.

Inventor： Sungtae LEE ,  KwanHo PARK ,  YeongRak CHOI ,  Kwangho KIM

IPC: H04R9/06 ,  H04R9/02 ,  H04R9/04 ,  H04R1/02 ,  H04R7/26

Abstract: A sound generating device includes a magnet and a center pole on a yoke, a bobbin around the center pole, a coil wound around the bobbin, a frame outside the yoke, a damper between the frame and the bobbin, and a spacer in the bobbin.

公开(公告)号：US20200162802A1

公开(公告)日：2020-05-21

申请号：US16749383

申请日：2020-01-22

Applicant: LG Display Co., Ltd.

Inventor： Kwangho KIM

IPC: H04R1/02 ,  H04R17/00 ,  H04R7/04

Abstract: A display apparatus may include: a display panel configured to display an image, a supporting member on a rear surface of the display panel, a sound generator between the display panel and the supporting member, and a vibration member between the sound generator and the supporting member, the vibration member having a diameter greater than or equal to that of the sound generator.

公开(公告)号：US20200007967A1

公开(公告)日：2020-01-02

申请号：US16438885

申请日：2019-06-12

Applicant: LG Display Co., Ltd.

Inventor： Kwangho KIM

IPC: H04R1/02 ,  G02F1/1333 ,  H01L27/32

Abstract: A display apparatus may include: a display panel configured to display an image, a supporting member configured to support the display panel, a coupling member in the supporting member, and at least one sound-generating device coupled to the display panel by the coupling member, the at least one sound-generating device being configured to vibrate the display panel to generate sound.

公开(公告)号：US20190149908A1

公开(公告)日：2019-05-16

申请号：US15993799

申请日：2018-05-31

Applicant: LG Display Co., Ltd.

Inventor： Kwangho KIM ,  YeongRak CHOI ,  Sungtae LEE ,  Hogeol LIM

IPC: H04R1/28 ,  H04R1/02 ,  H04N5/64

Abstract: Disclosed is a display apparatus including a display panel configured to display an image by emitting light, a rear surface structure configured to surround lateral and rear surfaces of the display panel, a vibration generating device connected with the rear surface structure and configured to vibrate the display panel, a rear sound emitting portion between the display panel and the rear surface structure, a rear sound guide between the display panel and the rear surface structure to surround the vibration generating device in a spiral shape and configured to connect with the rear sound emitting portion.

公开(公告)号：US20170280215A1

公开(公告)日：2017-09-28

申请号：US15471164

申请日：2017-03-28

Applicant: LG DISPLAY CO., LTD.

Inventor： Sungtae LEE ,  KwanHo PARK ,  YeongRak CHOI ,  Kwangho KIM ,  MyungJin BAE

IPC: H04R1/02 ,  H04N5/64

CPC classification number: H04R5/02 ,  H04N5/642 ,  H04R1/025 ,  H04R1/028 ,  H04R1/26 ,  H04R1/288 ,  H04R3/14 ,  H04R5/023 ,  H04R7/045 ,  H04R9/025 ,  H04R9/06 ,  H04R9/066 ,  H04R11/02 ,  H04R2307/023 ,  H04R2307/025 ,  H04R2400/03 ,  H04R2440/05 ,  H04R2499/15

Abstract: Provided are an actuator fixing device and a panel vibration type sound-generating display device including the same. A display device includes: a display panel configured to display an image, a cover bottom configured to cover the display panel, and a plurality of sound-generating actuators supported by the cover bottom, the sound-generating actuators being configured to vibrate the display panel to generate sound, at least two of the sound-generating actuators being adjacent to each other.

公开(公告)号：US20240422471A1

公开(公告)日：2024-12-19

申请号：US18745214

申请日：2024-06-17

Applicant: LG Display Co., Ltd.

Inventor： DoHyeong KIM ,  Daewon KIM ,  Daeho KIM ,  YeongRak CHOI ,  Kwangho KIM

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

Abstract: A sound apparatus can include a sound generating module, an enclosure at a rear surface of the sound generating module with an internal space therebetween, and a protection member at the sound generating module. The sound generating module can include a vibration member and a vibration apparatus configured at the vibration member.

公开(公告)号：US20230254618A1

公开(公告)日：2023-08-10

申请号：US18190919

申请日：2023-03-27

Applicant: LG Display Co., Ltd.

Inventor： YeongRak CHOI ,  Sungtae LEE ,  Kwangho KIM ,  Sungsu HAM ,  Joongsup HAN

IPC: H04R1/02 ,  G06F3/147 ,  G06F3/16

CPC classification number: H04R1/028 ,  G06F3/147 ,  G06F3/16 ,  H04R2499/15

Abstract: A display apparatus includes a display device including a display panel configured to display an image and include first to sixth regions, at least one first vibration device and at least one second vibration device respectively at the first region and the second region, at least one third vibration device, at least one fourth vibration device, and at least one fifth vibration device respectively at the fourth to sixth regions, a first partition between the first region and the third region, a second partition between the second region and the third region, a third partition between the fourth region and the sixth region, and a fourth partition between the fifth region and the sixth region, wherein a length of one or more among the first partition and the second partition differs from a length of one or more among the third partition and the fourth partition.

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：US20210250542A1

公开(公告)日：2021-08-12

申请号：US17244823

申请日：2021-04-29

Applicant: LG Display Co., Ltd.

Inventor： Sungtae LEE ,  SeYoung KIM ,  KwanHo PARK ,  YeongRak CHOI ,  Kwangho KIM ,  Sungsu HAM

IPC: H04N5/64 ,  H01L51/00 ,  H04R1/02 ,  H01L27/32 ,  H04R1/26 ,  H04R5/02

Abstract: A display apparatus includes: a display panel including: a display area configured to display an image, and a non-display area, at least one first sound generator in the display area, and at least one second sound generator in the non-display area, wherein each of the at least one first sound generator and the at least one second sound generator is configured to vibrate the display panel to generate sound toward a front of the display panel.