公开(公告)号：US20200280796A1

公开(公告)日：2020-09-03

申请号：US16804090

申请日：2020-02-28

Applicant: LG Display Co., Ltd.

Inventor： Sungtae LEE ,  Teh Hyeon KIM ,  YeongRak CHOI ,  Seungwan Ryu ,  KwanHo PARK

IPC: H04R1/26 ,  H04R1/02 ,  H04R9/06 ,  H04R9/02 ,  H04R9/04 ,  H04R7/26 ,  H04R17/00 ,  H04R7/04

Abstract: A display apparatus includes a display module including a display panel configured to display an image, a rear cover on a rear surface of the display module, and a sound generating module at the rear cover and configured to vibrate the display module to generate sound, and a rear surface of the sound generating module is covered by the rear cover.

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：US20200100008A1

公开(公告)日：2020-03-26

申请号：US16696795

申请日：2019-11-26

Applicant: LG Display Co., Ltd.

Inventor： YeongRak CHOI ,  KwanHo PARK ,  HyunSu SHIN ,  Sungtae LEE

IPC: H04R1/02

Abstract: Disclosed is a display apparatus including a display panel configured to emit light, a rear structure disposed on a rear surface of the display panel, a sound generating device fixed to the rear structure and configured to vibrate the display panel, and an insulation member disposed between the display panel and the sound generating device.

公开(公告)号：US20190191240A1

公开(公告)日：2019-06-20

申请号：US16051802

申请日：2018-08-01

Applicant: LG Display Co., Ltd.

Inventor： Sungsu HAM ,  YeongRak CHOI ,  Sungtae LEE ,  Daeho KIM

IPC: H04R1/28 ,  H04R1/02

CPC classification number: H04R1/2834 ,  G06F3/147 ,  G09G2330/045 ,  G09G2354/00 ,  H04R1/025 ,  H04R7/045 ,  H04R2440/05 ,  H04R2499/15

Abstract: A display apparatus includes a display panel displaying an image, a rear cover supporting the display panel, and a vibration generating device vibrating the display panel. The vibration generating device includes a sound generating module spaced apart from a rear surface of the display panel. Accordingly, shaking of the display panel is prevented, and heat is prevented from being transferred to the display panel.

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：US20190004566A1

公开(公告)日：2019-01-03

申请号：US16018157

申请日：2018-06-26

Applicant: LG Display Co., Ltd.

Inventor： Sungtae LEE ,  YeongRak CHOI ,  Sungsu HAM

IPC: G06F1/16 ,  H04R9/02 ,  H04R9/06 ,  H04R1/02 ,  H04R9/04 ,  H04M1/03

CPC classification number: G06F1/1605 ,  G06F1/1626 ,  H04M1/03 ,  H04R1/025 ,  H04R7/045 ,  H04R9/025 ,  H04R9/045 ,  H04R9/06 ,  H04R2499/11 ,  H04R2499/15

Abstract: A display apparatus includes a display panel configured to display an image by emitting light, a supporting member on a rear surface of the display panel, and a sound generator between the display panel and the supporting member. The sound generator includes a magnetic circuit unit and a voice coil unit on the rear surface of the display panel, and the magnetic circuit unit and the voice coil unit are configured to vibrate the display panel to generate sound.

公开(公告)号：US20180348816A1

公开(公告)日：2018-12-06

申请号：US15983498

申请日：2018-05-18

Applicant: LG Display Co., Ltd.

Inventor： Sungtae LEE ,  KwanHo PARK ,  YeongRak CHOI

IPC: G06F1/16 ,  H05K5/00 ,  H04R5/02

CPC classification number: G06F1/1605 ,  H04R5/02 ,  H04R7/045 ,  H04R2440/05 ,  H04R2499/15 ,  H05K5/0017

Abstract: A display apparatus includes: a display module including a display panel configured to display an electronic image, a supporting cover configured to cover a rear surface of the display module, a cover supporting member connected to a rear edge of the display panel and configured to support the supporting cover, and a sound-generating device supported by the supporting cover and configured to: output sound to a front direction of the display panel by directly vibrating the display panel, and directly contact and directly vibrate first and second rear edge portions of the display panel, the first and second rear edge portions being parallel to each other.

公开(公告)号：US20180343512A1

公开(公告)日：2018-11-29

申请号：US15987214

申请日：2018-05-23

Applicant: LG Display Co., Ltd.

Inventor： YeongRak CHOI ,  KwanHo PARK ,  HyunSu SHIN ,  Sungtae LEE

IPC: H04R1/02

CPC classification number: H04R1/028 ,  H04R1/2888 ,  H04R7/045 ,  H04R9/025 ,  H04R9/046 ,  H04R2400/03 ,  H04R2400/11 ,  H04R2440/05 ,  H04R2440/07 ,  H04R2499/15

Abstract: Disclosed is a display apparatus including a display panel configured to emit light, a rear structure disposed on a rear surface of the display panel, a sound generating device fixed to the rear structure and configured to vibrate the display panel, and an insulation member disposed between the display panel and the sound generating device.

公开(公告)号：US20170280249A1

公开(公告)日：2017-09-28

申请号：US15471155

申请日：2017-03-28

Applicant: LG DISPLAY CO., LTD.

Inventor： YeongRak CHOI ,  Sungtae LEE

IPC: H04R9/06

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 is a panel vibration type sound-generating display device. A display device includes: a display panel configured to display an image, a cover bottom configured to cover the display panel, a sound-generating actuator supported by the cover bottom, the sound-generating actuator configured to vibrate the display panel to generate sound, and a sealing member between an outer peripheral portion of the sound-generating actuator and an outer surface of the cover bottom.