公开(公告)号：US11460960B2

公开(公告)日：2022-10-04

申请号：US16710201

申请日：2019-12-11

Applicant: LG Display Co., Ltd.

Inventor： Chi-Wan Kim ,  Tae-Heon Kim ,  Sung-Eui Shin ,  Yong-Woo Lee ,  Kyung-Yeol Ryu ,  Yu-Seon Kho ,  Yong-Gyoon Jang

IPC: G06F3/045 ,  G06F3/044 ,  H01L41/08 ,  G06F3/041 ,  H01L41/187 ,  H01L41/113 ,  H01L41/18

Abstract: A display device includes a touch panel; a display panel under the touch panel and displaying an image; a piezoelectric element under the touch panel and including an upper electrode, a lower electrode and a piezoelectric layer; and a rectifying circuit connected to the piezoelectric element.

公开(公告)号：US11726621B2

公开(公告)日：2023-08-15

申请号：US17942137

申请日：2022-09-10

Applicant: LG Display Co., Ltd.

Inventor： Chi-Wan Kim ,  Tae-Heon Kim ,  Sung-Eui Shin ,  Yong-Woo Lee ,  Kyung-Yeol Ryu ,  Yu-Seon Kho ,  Yong-Gyoon Jang

IPC: G06F3/045 ,  G06F3/044 ,  G06F3/041 ,  H10N30/30 ,  H10N30/85 ,  H10N30/853 ,  H10N30/00

CPC classification number: G06F3/044 ,  G06F3/0414 ,  H10N30/10516 ,  H10N30/302 ,  H10N30/852 ,  H10N30/853 ,  G06F2203/04105

Abstract: A display device includes a touch panel; a display panel under the touch panel and displaying an image; a piezoelectric element under the touch panel and including an upper electrode, a lower electrode and a piezoelectric layer; and a rectifying circuit connected to the piezoelectric element.

公开(公告)号：US10963664B2

公开(公告)日：2021-03-30

申请号：US16900523

申请日：2020-06-12

Applicant: LG Display Co., Ltd.

Inventor： Chi-Wan Kim ,  Yong-Su Ham ,  Yong-Woo Lee ,  Kyung-Yeol Ryu ,  Yu-Seon Kho

IPC: G06K9/00 ,  G06F21/32

Abstract: A sensor panel includes a substrate; a sensing part on the substrate and including a plurality of sensors; and a partition wall between adjacent sensors, wherein each sensor includes a first sensor electrode, a piezoelectric layer and a second sensor electrode, and wherein the partition wall has a lower dielectric constant than the piezoelectric layer.