公开(公告)号：US11703969B2

公开(公告)日：2023-07-18

申请号：US17723344

申请日：2022-04-18

Applicant: Samsung Display Co., Ltd.

Inventor： Ga Young Kim ,  Jang Hui Kim ,  A Ra Jo

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

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

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：US11231825B2

公开(公告)日：2022-01-25

申请号：US16835784

申请日：2020-03-31

Applicant: Samsung Display Co., Ltd.

Inventor： Jang Hui Kim ,  Ga Young Kim ,  Do Ik 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：US20210034201A1

公开(公告)日：2021-02-04

申请号：US17073761

申请日：2020-10-19

Applicant: Samsung Display Co., Ltd.

Inventor： Jang Hui Kim ,  Hyung Chul Kim ,  A Ra Jo

IPC: G06F3/044 ,  G01L1/22 ,  G06F3/041

Abstract: An input sensing device includes a plurality of first sensing electrodes having a plurality of first sensor units extending in a first direction. A plurality of second sensing electrodes has a plurality of second sensor units extending in a second direction different from the first direction. A first strain gauge includes a first force electrode located proximate to a first electrode of the plurality of first sensing electrodes. A second force electrode is located proximate to a second electrode of the plurality of first sensing electrodes. A first connecting electrode connects to both of the first force electrode and the second force electrode.

公开(公告)号：US10747373B2

公开(公告)日：2020-08-18

申请号：US14935892

申请日：2015-11-09

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Woo Choi ,  Chang Sub Jung ,  Eun Gil Choi ,  Sang Hyun Lim ,  A Ra Jo

IPC: G06F3/044 ,  G06F3/0354 ,  G06F3/0488 ,  G06F3/041

Abstract: A touch panel includes a touch electrode configured to receive a sensing input signal, a display panel, the touch electrode being disposed thereon, and a protective layer disposed between the touch electrode and the display panel, the protective layer configured to receive a protective layer driving signal.

公开(公告)号：US12135857B2

公开(公告)日：2024-11-05

申请号：US18200535

申请日：2023-05-22

Applicant: Samsung Display Co., Ltd.

Inventor： Jang Hui Kim ,  Ga Young Kim ,  A Ra Jo

IPC: G06F3/044 ,  G06F3/041

Abstract: A touch sensor includes a base layer, a first electrode unit, second electrode units, and a first strain gauge. The first electrode unit includes first touch electrodes arranged on the base layer along a first direction and electrically connected to each other along the first direction. The second electrode units are spaced apart from one another along the first direction. Each of the second electrode units includes second touch electrodes arranged on the base layer along a second direction intersecting the first direction and electrically connected to each other along the second direction. Each of the second touch electrodes includes a first opening. The first strain gauge includes first resistance lines electrically connected to each other along the first direction. Each of the first resistance lines is disposed in a respective first opening disposed in a first row among the first openings.

公开(公告)号：US20230409156A1

公开(公告)日：2023-12-21

申请号：US18238578

申请日：2023-08-28

Applicant: Samsung Display Co., Ltd.

Inventor： Jang Hui Kim ,  Ga Young Kim ,  Do Ik Kim ,  Sang Chul Lee ,  A Ra Jo

IPC: G06F3/045

CPC classification number: G06F3/045 ,  G06F2203/04105

Abstract: A 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 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 first touch electrodes and the second touch electrodes.

公开(公告)号：US10991316B2

公开(公告)日：2021-04-27

申请号：US16421475

申请日：2019-05-24

Applicant: Samsung Display Co., Ltd.

Inventor： Ji-Won Kim ,  Nam-Hee Goo ,  Byung-Su Oh ,  A Ra Jo

IPC: G09G3/3275 ,  G09G3/20

Abstract: A display device includes: a display panel to display an image; a signal controller to determine whether an input image signal is a still image signal, and if the input image signal is a still image signal, further determine whether image switching occurs, and if image switching occurs, to compensate image data according to frame data after the image is switched by using data values of two pieces of frame data between which the image switching occurs; and a data driver to generate a data signal based on the image data and to output the data signal to the display panel.

公开(公告)号：US10936137B2

公开(公告)日：2021-03-02

申请号：US16358048

申请日：2019-03-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： In Nam Lee ,  Jang Hui Kim ,  Sang Chul Lee ,  A Ra Jo

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

Abstract: A touch sensing device includes a first base layer, a plurality of first sensing electrodes disposed on the first base layer and spaced apart in a first direction, a plurality of second sensing electrodes disposed on a same layer as the first sensing electrodes and arranged in different rows from the first sensing electrodes, a plurality of third sensing electrodes on the second sensing electrodes that are spaced apart along a second direction different from the first direction and that overlap the second sensing electrodes, and a plurality of fourth sensing electrodes on the first sensing electrodes that are spaced apart along the second direction and that overlap the first sensing electrodes. At least two of the second sensing electrodes are directly connected to each other.

公开(公告)号：US10379641B2

公开(公告)日：2019-08-13

申请号：US15647110

申请日：2017-07-11

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Hyun Lim ,  Chang Sub Jung ,  A Ra Jo ,  Jae Woo Choi

IPC: G06F3/044 ,  G06F3/038 ,  G06F3/0354 ,  G06F3/041

Abstract: A touch screen apparatus includes: an active area and a non-active area outside the active area; first sensing electrodes arranged along a first direction in the active area; second sensing electrodes arranged along a second direction intersecting the first direction in the active area, the second sensing electrodes being insulated from the first sensing electrodes; and at least one additional sensing electrode separated from the first and second sensing electrodes, the at least one additional sensing electrode being located in the non-active area.

公开(公告)号：US20170357354A1

公开(公告)日：2017-12-14

申请号：US15603660

申请日：2017-05-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： SANG HYUN LIM ,  Chang Sub Jung ,  A Ra Jo ,  Jae Woo Choi

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  G06F2203/04105 ,  H05K1/16 ,  H05K1/189 ,  H05K2201/10053 ,  H05K2201/10128

Abstract: A display device includes a display panel configured to display an image on a front surface thereof, and a flexible circuit board connected to the display panel and configured to drive the display panel. The display device further includes a pressure sensor including a first electrode and a second electrode. The pressure sensor is configured to sense a change of capacitance of a capacitor, which is formed between the first electrode and the second electrode, in accordance with a pressure applied thereto. The flexible circuit board includes a first surface and a second surface facing the first surface. The first electrode and the second electrode are disposed on the first surface or the second surface.