公开(公告)号：US20240224803A1

公开(公告)日：2024-07-04

申请号：US18540038

申请日：2023-12-14

Applicant: LG Display Co., Ltd.

Inventor： DoHyeong KIM ,  MinKyu CHOI ,  Seungo JEON ,  Daeho KIM ,  Inchan JEONG ,  HyeonSeok KIM

IPC: H10N30/20 ,  H04R17/00 ,  H10N30/80 ,  H10N30/87 ,  H10N30/88 ,  H10N39/00

CPC classification number: H10N30/2027 ,  H04R17/00 ,  H10N30/802 ,  H10N30/875 ,  H10N30/883 ,  H10N39/00 ,  H04R2217/01

Abstract: An apparatus may include a vibration member having a plane portion and a round portion extended to be rounded from the plane portion, and a vibration device connected to the vibration member. The apparatus may improve sound characteristics and/or sound pressure characteristics. Further, the apparatus may output sound in various directions.

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：US20240422473A1

公开(公告)日：2024-12-19

申请号：US18745260

申请日：2024-06-17

Applicant: LG Display Co., Ltd.

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

IPC: H04R1/28 ,  H04R1/02

Abstract: A sound apparatus for a vehicle can include an enclosure having an internal space and a sound generating module disposed at the internal space, and a fixing part configured at the enclosure. The fixing part can be fixed to a supporting part at a vehicle structure.

公开(公告)号：US20240422462A1

公开(公告)日：2024-12-19

申请号：US18745322

申请日：2024-06-17

Applicant: LG Display Co., Ltd.

Inventor： Daewon KIM ,  YeongRak CHOI ,  Daeho KIM ,  Seungwoo BAEK ,  DoHyeong KIM

IPC: H04R1/02 ,  H04R17/00

Abstract: A sound apparatus in one example can include a sound generating module, an enclosure disposed at the sound generating module with an internal space therebetween and including an opening part connected to the internal space, and a coupling part configured to couple the enclosure to a mount object. The coupling part can be connected to the internal space and can include a hollow part including at least one chamfer portion.

公开(公告)号：US20230412953A1

公开(公告)日：2023-12-21

申请号：US18205362

申请日：2023-06-02

Applicant: LG Display Co., Ltd.

Inventor： Kwangho KIM ,  KwanHo PARK ,  YeongRak CHOI ,  Daeho KIM

IPC: H04R1/02 ,  B60J1/20 ,  B60R11/00 ,  H04R17/00 ,  H04R1/06 ,  H10N30/20 ,  H10N30/87

CPC classification number: H04R1/028 ,  B60J1/20 ,  B60R11/00 ,  H04R17/00 ,  H04R1/06 ,  H10N30/206 ,  H10N30/871 ,  B60R2011/0003 ,  B60R2011/0043 ,  H04R2499/13

Abstract: An apparatus includes a vibration member, a vibrator at the vibration member, and a connector between the vibration member and the vibrator and accommodating the vibrator. A vehicular apparatus includes an exterior material; an interior material covering the exterior material; and one or more vibration generating devices at one or more of the exterior material, the interior material, and a region between the exterior material and the interior material, wherein the one or more vibration generating devices comprise the apparatus, and wherein one or more of the exterior material and the interior material output a sound based on vibrations of the one or more vibration generating devices.

公开(公告)号：US20230217189A1

公开(公告)日：2023-07-06

申请号：US18090661

申请日：2022-12-29

Applicant: LG Display Co., Ltd.

Inventor： Daeho KIM ,  YeongRak CHOI ,  MinKyu CHOI ,  Seungo JEON ,  Kwangho KIM ,  Jeongbeom LEE ,  Taehyoung KIM ,  KwanHo PARK

IPC: H04R17/00 ,  H10N30/20 ,  H04R1/02

CPC classification number: H04R17/00 ,  H10N30/204 ,  H04R1/028 ,  H04R2499/15

Abstract: A sound apparatus can include a vibration member; a housing at a rear surface of the vibration member; a connection member disposed between the vibration member and the housing; and a vibration apparatus configured to vibrate the vibration member. The vibration apparatus can include at least one piezoelectric element for producing sound. Also, the connection member can have a first stiffness that is less than a second stiffness of the housing, and the vibration member can be isolated from the housing by the connection member.

公开(公告)号：US20230007387A1

公开(公告)日：2023-01-05

申请号：US17851644

申请日：2022-06-28

Applicant: LG Display Co., Ltd.

Inventor： Daeho KIM ,  YuSeon KHO ,  Kyungyeol RYU ,  YeongRak CHOI ,  KwanHo PARK ,  MinKyu CHOI ,  Jeongbeom LEE ,  Inchan JEONG ,  MinHo SOHN ,  Seungo JEON ,  Kwangho KIM ,  SeungRyull PARK ,  JunSeok OH ,  Chiwan KIM

IPC: H04R1/26 ,  H04R1/02 ,  H04R17/00 ,  H04R1/32 ,  H04R3/12

Abstract: A sound apparatus may include a vibration member, a housing configured to cover a rear surface of the vibration member, and a vibration apparatus including one or more vibration devices configured to vibrate the vibration member. The vibration member may include a non-planar structure.

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：US20200186916A1

公开(公告)日：2020-06-11

申请号：US16791093

申请日：2020-02-14

Applicant: LG Display Co., Ltd.

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

IPC: H04R1/28 ,  H04R1/02

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：US20190079556A1

公开(公告)日：2019-03-14

申请号：US16043581

申请日：2018-07-24

Applicant: LG Display Co., Ltd.

Inventor： YeongRak CHOI ,  Hogeol LIM ,  Daeho KIM ,  Sungsu HAM

IPC: G06F1/16 ,  H01L27/32

CPC classification number: G06F1/1605 ,  G02F1/1333 ,  G02F1/133308 ,  G02F2001/133317 ,  G06F1/1658 ,  G06F1/1688 ,  H01L27/3276 ,  H04M1/035 ,  H04R1/26 ,  H04R5/02 ,  H04R7/045 ,  H04R9/025 ,  H04R9/04 ,  H04R2400/03 ,  H04R2440/05 ,  H04R2440/07 ,  H04R2499/11 ,  H04R2499/15

Abstract: A display apparatus includes: a display panel configured to display an image, the display panel including first, second, and third areas, a sound-generating device in at least one among the first, second, and third areas on a rear surface of the display panel, and at least one partition for dividing the first, second, and third areas from each other, the at least one partition including a first side and a second side at an angle to the first side, the second side including at least one member perpendicular to the second side, wherein: the first area is a left area of the display panel, the second area is a right area of the display panel, the third area is a central area of the display panel, and the member is in the third area.