公开(公告)号：US20220303374A1

公开(公告)日：2022-09-22

申请号：US17829337

申请日：2022-05-31

Applicant: LG Display Co., Ltd.

Inventor： Seon Man KIM ,  MinHo SOHN ,  JunSeok OH ,  Sung-Jin KANG ,  Kyounghwan KIM ,  Jeonggoo KANG ,  JaiHyuk LEE

IPC: H04M1/03 ,  H04R1/02 ,  H05K5/00

Abstract: A display apparatus includes a display module having a display panel configured to display an image; a sound generating device on a rear surface of the display panel and including a first side and a second side perpendicular to the first side and an adhesive member in a partial region of the sound generating device, the adhesive member having a size smaller than one of the first side and the second side of the sound generating device.

公开(公告)号：US20250053295A1

公开(公告)日：2025-02-13

申请号：US18789381

申请日：2024-07-30

Applicant: LG Display Co., Ltd.

Inventor： JaeHo LEE ,  MinHo SOHN ,  Jiseok YANG ,  Kyuhwan LEE

IPC: G06F3/0488 ,  G06F3/0354 ,  G06F3/041 ,  G06F3/14

Abstract: A touch display device comprising a display panel including a plurality of subpixels, a driving circuit configured to drive the display panel, and a timing controller configured to control a normal mode that displays an image, or a touch mode that displays an image and a touch pattern depending on a touch state of a stylus.

公开(公告)号：US20220209733A1

公开(公告)日：2022-06-30

申请号：US17547553

申请日：2021-12-10

Applicant: LG DISPLAY CO., LTD.

Inventor： JunSeok OH ,  MinHo SOHN

IPC: H03G3/30 ,  H04R29/00 ,  H04R3/00 ,  H04R1/02 ,  H04R17/00

Abstract: A vibration generating apparatus comprises a vibration apparatus and a vibration driving circuit including a driving signal generator configured to supply a driving signal to the vibration apparatus, wherein the driving signal generator is configured to adjust a frequency-based gain compensation value based on at least one of a circuit internal temperature value of the vibration driving circuit and a temperature prediction value of the vibration apparatus corresponding to a current value of an nth driving signal, compensate for a frequency-based gain value based on the adjusted frequency-based gain compensation value, compensate for an (n+1)th driving signal based on the compensated frequency-based gain value, and supply the compensated (n+1)th driving signal to the vibration apparatus.

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：US20240264676A1

公开(公告)日：2024-08-08

申请号：US18422672

申请日：2024-01-25

Applicant: LG Display Co., Ltd.

Inventor： MinHo SOHN ,  Seunghyeon KIM ,  Saseong MOON ,  SunBok SONG

IPC: G06F3/01 ,  B60K37/20 ,  G06F3/041 ,  G06F3/16

CPC classification number: G06F3/016 ,  B60K37/20 ,  G06F3/0412 ,  G06F3/16 ,  B60K2360/1434

Abstract: A vibration apparatus according to an aspect of the present disclosure includes a vibration generating part, and a vibration transfer part coupled to the vibration generating part, the vibration transfer part including a plurality of vibration transfer members spaced apart from one another. Each of the plurality of vibration transfer members is configured to convert an in-plane vibration mode of the vibration generating part into an out-plane vibration mode.

公开(公告)号：US20240256045A1

公开(公告)日：2024-08-01

申请号：US18422609

申请日：2024-01-25

Applicant: LG Display Co., Ltd.

Inventor： Saseong MOON ,  SunBok SONG ,  MinHo SOHN

IPC: G06F3/01 ,  G06F3/041 ,  G06F3/14

CPC classification number: G06F3/016 ,  G06F3/041 ,  G06F3/1423

Abstract: A vibration apparatus includes a vibration generating part and a press structure configured at a rear surface of the vibration generating part and configured to apply pressure to the vibration generating part. A display apparatus and a vehicular apparatus having the vibration apparatus are provided. The vibration apparatus may provide an ultrasonic vibration or an ultrasonic haptic to a user when a user touch is applied thereto.

公开(公告)号：US20230232163A1

公开(公告)日：2023-07-20

申请号：US18123883

申请日：2023-03-20

Applicant: LG Display Co., Ltd.

Inventor： Kyounghwan KIM ,  MinHo SOHN ,  KiDuk KIM ,  Sung-Jin KANG ,  Jeonggoo KANG ,  JaiHyuk LEE

IPC: H04R17/00 ,  H04R1/02

CPC classification number: H04R17/00 ,  H04R1/028 ,  H04R2499/11 ,  H04R2499/15

Abstract: A display apparatus includes a display module including a display panel configured to display an image and a sound generating module on a rear surface of the display panel, the sound generating module includes a vibration generating device, a circuit board on a lower surface of the vibration generating device, a first adhesive member between the circuit board and the vibration generating device, and a second adhesive member between the vibration generating device and the display panel, an elastic modulus of the second adhesive member differing from an elastic modulus of the first adhesive member.

公开(公告)号：US20230035018A1

公开(公告)日：2023-02-02

申请号：US17876112

申请日：2022-07-28

Applicant: LG Display Co., Ltd.

Inventor： Taehyung KIM ,  MinHo SOHN ,  JunSeok OH ,  Jeonggoo KANG ,  SeulKi NAM

IPC: H04R17/00

Abstract: A vibration apparatus may include a vibration generator including a piezoelectric material and a sensor portion configured at the vibration generator, and thus, may correct or compensate for an electrical characteristic change of the vibration generator and may correct or compensate for a vibration characteristic of the vibration generator. An apparatus including the vibration apparatus is also disclosed.

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：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.