公开(公告)号：US20210263630A1

公开(公告)日：2021-08-26

申请号：US17248878

申请日：2021-02-11

Applicant: Samsung Display Co., Ltd.

Inventor： Jang Hui KIM ,  Ga Young KIM ,  Jung Mok PARK ,  A Ra JO

IPC: G06F3/041

Abstract: A display device, includes: a display panel having short sides and long sides; and a touch sensor on the display panel and including a sensing area and a non-sensing area around the sensing area, wherein the touch sensor includes: a first touch electrode unit including a plurality of first touch electrodes in the sensing area, arranged in a direction in which the short sides of the display panel extend, and each including a first opening; a second touch electrode unit including a plurality of second touch electrodes in the sensing area, arranged in a direction in which the long sides of the display panel extend, and each including a second opening; and a pressure sensor including a strain gauge, at least a part of the strain gauge being located in the sensing area.

公开(公告)号：US20170168621A1

公开(公告)日：2017-06-15

申请号：US15374871

申请日：2016-12-09

Applicant: Samsung Display Co., Ltd.

Inventor： A Ra JO ,  Sang Hyun LIM ,  Chang Sub JUNG ,  Jae Woo CHOI

IPC: G06F3/041 ,  H01L27/32 ,  G06F3/044 ,  H05K5/03 ,  H05K5/02 ,  H05K7/14 ,  H01L51/52 ,  H05K5/00

CPC classification number: G06F3/0412 ,  G06F3/044 ,  G06F2203/04103 ,  G06F2203/04105 ,  G06F2203/04107 ,  H01L27/3225 ,  H01L27/323 ,  H01L51/5237 ,  H01L51/5284 ,  H05K5/0017 ,  H05K5/0247 ,  H05K5/03 ,  H05K7/1427

Abstract: A display device may include a display panel, a window member provided above the display panel, a housing accommodating the display panel and the window member and including at least one protrusion on an inner surface thereof, and a pressure sensor including a first conductive layer provided on the at least one protrusion and a second conductive layer provided at a peripheral area of the first conductive layer to be spaced apart from the first conductive layer.

公开(公告)号：US20230333680A1

公开(公告)日：2023-10-19

申请号：US18211282

申请日：2023-06-18

Applicant: Samsung Display Co., Ltd.

Inventor： Ga Young KIM ,  Jang Hui KIM ,  A Ra JO

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

CPC classification number: G06F3/0412 ,  G06F3/044 ,  G06F3/045 ,  G06F3/04164 ,  G06F2203/04106 ,  G06F3/0446 ,  G06F3/04144 ,  G06F2203/04105 ,  G06F3/0443 ,  G06F2203/04113 ,  G06F3/0414 ,  G06F3/0416 ,  G06F2203/04111

Abstract: A display device includes: a base substrate; a light emitting element located on the base substrate; a thin-film encapsulation layer located on the light emitting element; touch electrodes located on the thin-film encapsulation layer, each of the touch electrode including an opening; and a strain gauge including: resistance lines located in the openings, respectively, the resistance lines located in the same layer as the touch electrodes and having variable resistance values changed in response to a touch input; a first connection line connecting two resistance lines neighboring each other along a first direction; and a second connection line connecting two resistance lines neighboring each other along a second direction, the second direction intersecting the first direction, wherein the first connection line and the second connection line are located between the thin-film encapsulation layer and the resistance lines.

公开(公告)号：US20220137736A1

公开(公告)日：2022-05-05

申请号：US17546992

申请日：2021-12-09

Applicant: Samsung Display Co., Ltd.

Inventor： Jang Hui KIM ,  Ga Young KIM ,  Do lk KIM ,  Sang Chul LEE ,  A Ra JO

IPC: G06F3/045

Abstract: The touch sensor includes first touch electrode members disposed on a base layer and located in a sensing area, each of the first touch electrode members including a plurality of first touch electrodes arranged along a first direction, each of the first touch electrodes including a first opening; second touch electrode members disposed on the base layer and located in a sensing area, each of the second touch electrode members including a plurality of second touch electrodes arranged along a second direction, each of the second touch electrodes including a second opening; and a first pressure sensor disposed on the base layer and including a first strain gauge. A portion of the first strain gauge is located in the second sensing area, and the first strain gauge includes a portion located in the second sensing area and disposed in the same layer as the plurality of first touch electrodes and the plurality of second touch electrodes.

公开(公告)号：US20210064187A1

公开(公告)日：2021-03-04

申请号：US16848694

申请日：2020-04-14

Applicant: Samsung Display Co., Ltd.

Inventor： Choon Hyop LEE ,  Kang Won LEE ,  Ga Young KIM ,  Jang Hui KIM ,  A Ra JO

IPC: G06F3/044 ,  H01L27/32 ,  G06F3/041

Abstract: A sensing circuit includes: a plurality of sensor electrodes; a first capacitance between the sensor electrodes; a plurality of proximity sensing electrodes electrically isolated from the sensor electrodes; and a second capacitance between at least one of the sensor electrodes and the proximity sensing electrodes. A density of at least one of the proximity sensing electrodes is less than a density of at least one of the sensor electrodes.