公开(公告)号：US11902739B2

公开(公告)日：2024-02-13

申请号：US17111321

申请日：2020-12-03

Applicant: LG Display Co., Ltd.

Inventor： Jae-Hun Ye

IPC: H04R17/00 ,  H01L27/32 ,  H04R1/02 ,  H04R1/26 ,  H10K59/00

CPC classification number: H04R17/00 ,  H04R1/028 ,  H04R1/26 ,  H10K59/00 ,  H04R2400/03 ,  H04R2499/15

Abstract: A display device includes a piezoelectric element vibrated according to input audio signals, a display panel configured to display an image, and an elastic member configured to connect a portion of the piezoelectric element and the display panel so as to transmit a vibration of the piezoelectric element to the display panel to improve sound quality in a display device which emits a sound from a display panel.

公开(公告)号：US11733810B2

公开(公告)日：2023-08-22

申请号：US17495422

申请日：2021-10-06

Applicant: LG DISPLAY CO., LTD.

Inventor： Takayuki Suzuki ,  Tomonori Miyokawa ,  Tsutomu Ichikawa ,  Jae-Hun Ye ,  Shinji Takasugi

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/044 ,  G06F3/0412

Abstract: A touch display device, in which a plurality of touch electrodes are arranged in a display panel, includes: the plurality of touch electrodes installed inside the display panel; a first coil installed inside the display panel and making a current flow for a mutual induction with the plurality of touch electrodes; and a second coil installed inside the display panel and on which a current flows by a mutual induction with the plurality of touch electrodes, wherein the touch display device conducts a touch detection by the current flowing the second coil.