公开(公告)号：US20240256044A1

公开(公告)日：2024-08-01

申请号：US18418638

申请日：2024-01-22

Applicant: LG Display Co., Ltd.

Inventor： Seunghyeon Kim ,  JunSeok Oh ,  SunBok Song

IPC: G06F3/01 ,  G06F3/041

CPC classification number: G06F3/016 ,  G06F3/0416

Abstract: A vibration apparatus includes a vibration member including a first vibration generating part in first area of a vibration member, and a second vibration generating part in a second area of the vibration member. The first vibration generating part and the second vibration generating part are configured to vibrate the vibration member in one or more vibration mode shapes.

公开(公告)号：US11750165B2

公开(公告)日：2023-09-05

申请号：US17547553

申请日：2021-12-10

Applicant: LG DISPLAY CO., LTD.

Inventor： JunSeok Oh ,  MinHo Sohn

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

CPC classification number: H03G3/3036 ,  H04R1/028 ,  H04R3/00 ,  H04R17/00 ,  H04R29/001 ,  G01K2217/00 ,  H03G2201/103 ,  H04R2430/01 ,  H04R2499/15

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：US11381672B2

公开(公告)日：2022-07-05

申请号：US16688226

申请日：2019-11-19

Applicant: LG Display Co., Ltd.

Inventor： Seon Man Kim ,  MinHo Sohn ,  JunSeok Oh ,  Sung-Jin Kang ,  Kyounghwan Kim ,  Jeonggoo Kang ,  JaiHyuk Lee

IPC: H04R1/02 ,  H05K5/00 ,  H04M1/03 ,  H04N5/64

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：US10474290B2

公开(公告)日：2019-11-12

申请号：US15240843

申请日：2016-08-18

Applicant: LG Display Co., Ltd.

Inventor： JunSeok Oh ,  JongHee Hwang ,  JongGu Heo

IPC: G06F3/045 ,  G06F3/041 ,  G06F3/044 ,  G06F1/16

Abstract: An electronic device is capable of having a minimum sensing pressure with a low value through a resistive type force touch sensing method, wherein the electronic device may include a force sensing panel having a force sensor member whose shape is changed according to a touch pressure applied to a cover window so as to electrically connect first and second electrodes prepared on the same plane and provided in parallel.