公开(公告)号：US11703972B2

公开(公告)日：2023-07-18

申请号：US17019447

申请日：2020-09-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Won Ki Hong ,  Sung Kook Park ,  Tae Hee Lee

IPC: G01L1/20 ,  G06F3/041 ,  G01L5/1623

CPC classification number: G06F3/04144 ,  G01L1/20 ,  G01L5/1623 ,  G06F3/0414

Abstract: A force sensor including a first surface and a second surface facing each other in a first direction; a first protrusion protruded from the first surface toward the second surface; a first electrode on the first protrusion; a first force sensing layer on the first electrode; a second protrusion protruded from the second surface toward the first surface; and a second electrode on the second protrusion; wherein the first protrusion and the second protrusion are not overlapped with each other or are partially overlapped with each other.

公开(公告)号：US11676413B2

公开(公告)日：2023-06-13

申请号：US17202294

申请日：2021-03-15

Applicant: Samsung Display Co., Ltd.

Inventor： Won Ki Hong ,  Jong Seo Lee

IPC: G06V40/13 ,  G06F3/04883 ,  G06F3/041 ,  G06F3/044 ,  H04N1/44

CPC classification number: G06V40/1306 ,  G06F3/0412 ,  G06F3/0445 ,  G06F3/0446 ,  G06F3/04883 ,  G06F3/041661 ,  H04N1/442 ,  G06F2203/04105 ,  G06F2203/04106

Abstract: An exemplary embodiment of the present inventive concept provides a display device including: a display unit including a plurality of pixels disposed on a display area; a display controller configured to control the display unit; a sensor including a plurality of first sensing electrodes and a plurality of second sensing electrodes disposed in the display area; and a sensor controller configured to recognize a touch of a user inputted into the sensor in a touch sensing mode and to recognize a fingerprint of the user inputted into the sensor in a fingerprint sensing mode, wherein the sensor controller changes a mode to the fingerprint sensing mode when no touch is inputted for a predetermined time period in the touch sensing mode and changes the mode to the touch sensing mode when authorization on a fingerprint inputted into the sensor is succeeded in the fingerprint sensing mode.

公开(公告)号：US11641416B2

公开(公告)日：2023-05-02

申请号：US17706164

申请日：2022-03-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Won Ki Hong ,  So Hee Park ,  Hee Seomoon ,  Hyeon Jun Lee

IPC: H04M1/02 ,  H01L27/32

Abstract: A display device includes a display panel to display an image, and a blood pressure measuring module including a pressure sensor and a pulse wave sensor, wherein the pressure sensor is configured to sense a pressure that is applied to the display panel, the pulse wave sensor includes an optical sensor, and the pulse wave sensor is configured to generate a pulse wave signal using light that is emitted from a pixel of the display panel.

公开(公告)号：US11515366B2

公开(公告)日：2022-11-29

申请号：US17087501

申请日：2020-11-02

Applicant: Samsung Display Co., Ltd.

Inventor： Won Ki Hong ,  So Hee Park ,  Hee Seomoon ,  Hyeon Jun Lee

IPC: G09G5/00 ,  H01L27/32 ,  A61B5/00

Abstract: A display device includes a display panel comprising a through hole and a pixel area, the pixel area surrounding the through hole and including pixels for displaying an image; a force sensor at a first surface of the display panel and configured to sense force applied from an outside; and a light sensor overlapping the through hole of the display panel in a thickness direction of the display panel, the light sensor being configured to sense light incident on the light sensor through the through hole.

公开(公告)号：US11137850B2

公开(公告)日：2021-10-05

申请号：US16569399

申请日：2019-09-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Won Ki Hong ,  Sung Kook Park ,  So Hee Park ,  Hee Seomoon ,  Young Seok Seo ,  Tae Hee Lee

IPC: G06F3/041 ,  G01L1/14 ,  G01L1/20 ,  G01L1/26 ,  G06F3/044

Abstract: A force sensor includes first and second substrates. The second substrate faces the first substrate. A driving electrode is disposed on a first surface of the first substrate facing the second substrate. A sensing electrode is disposed on the first surface of the first substrate and is spaced apart from the driving electrode. A three sensitive layer is disposed on a first surface of the second substrate, facing the first substrate. The driving electrode includes a main driving protrusion that protrudes from a side surface of the driving electrode, facing the sensing electrode.

公开(公告)号：US11042241B2

公开(公告)日：2021-06-22

申请号：US16853511

申请日：2020-04-20

Applicant: Samsung Display Co., Ltd.

Inventor： Seung Lyong Bok ,  Won Ki Hong

IPC: G06F3/044 ,  G06F3/041 ,  G06F3/042

Abstract: A display device including a touch sensor and a driving method thereof, and more particularly, a curved display device including a touch sensor and a driving method thereof, are presented. The display device includes: a touch sensor unit including a plurality of touch sensors; and at least one touch surface curved to along a first direction, wherein the touch surface includes a center region and edge regions positioned at both sides of the center region along the first direction, and wherein a sensitivity of the touch sensor in the center region is higher than a sensitivity of the touch sensors in the edge regions.

公开(公告)号：US11029724B2

公开(公告)日：2021-06-08

申请号：US16158311

申请日：2018-10-12

Applicant: Samsung Display Co., Ltd.

Inventor： Won Ki Hong ,  Tae Hee Lee

IPC: G06F3/041 ,  G09F9/30 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  H01L27/32 ,  H01L51/00 ,  H01L51/52 ,  G06F1/16

Abstract: A display device includes: a display panel; and a sensor provided on one surface of the display panel to detect external pressure. The sensor includes: a first base substrate having a sensing region and a non-sensing region; a plurality of first conductive patterns extending in a first direction in the sensing region of the first base substrate; a second base substrate facing opposite to the first base substrate; a plurality of second conductive patterns extending in a second direction intersecting the first conductive patterns disposed on a surface of the second base substrate; a pressure sensitive material layer disposed between the first and second conductive patterns, the pressure sensitive material layer having a resistance that varies in response to pressure; and an adhesive layer connecting the first and second base substrate, the adhesive layer being disposed in the same layer as the pressure sensitive material layer.

公开(公告)号：US10963080B2

公开(公告)日：2021-03-30

申请号：US16273070

申请日：2019-02-11

Applicant: Samsung Display Co., Ltd.

Inventor： Tae Hee Lee ,  Sung Kook Park ,  So Hee Park ,  Hee Seomoon ,  Won Ki Hong

IPC: G06F3/041 ,  G06F3/0488 ,  H01L27/32 ,  H05K1/18

Abstract: A display device includes: a display panel; an input sensing panel; a display flexible circuit board to control the display panel having an input sensing driving circuit electrically connected to the input sensing panel, the display flexible circuit board being connected to the display panel; and a first pressure sensor disposed adjacent to and extending along a first edge of the display panel, wherein the first pressure sensor is electrically connected to the input sensing driving circuit of the display flexible circuit board.

公开(公告)号：US10788916B2

公开(公告)日：2020-09-29

申请号：US16274724

申请日：2019-02-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Won Ki Hong ,  Sung Kook Park ,  Hee Seomoon ,  Tae Hee Lee

IPC: G06F3/041 ,  G01L1/20 ,  H01L27/32

Abstract: A display device includes a display panel and a force sensor. The force sensor is disposed adjacent to a first edge of the display panel and extends along the first edge. The force sensor includes a first sensing region, a second sensing region, a first force concentration bump, and a second force concentration bump. The second sensing region is located on a side of the first sensing region and has a larger area than the first sensing region. The first force concentration bump overlaps the first sensing region. The second force concentration bump overlaps the second sensing region and is spaced apart from the first force concentration bump.

公开(公告)号：US10782195B2

公开(公告)日：2020-09-22

申请号：US16143825

申请日：2018-09-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Won Ki Hong ,  Sung Kook Park ,  Tae Hee Lee

IPC: G01L1/20 ,  G06F3/041 ,  G01L5/161

Abstract: A force sensor including a first surface and a second surface facing each other in a first direction; a first protrusion protruded from the first surface toward the second surface; a first electrode on the first protrusion; a first force sensing layer on the first electrode; a second protrusion protruded from the second surface toward the first surface; and a second electrode on the second protrusion, wherein the first protrusion and the second protrusion are not overlapped with each other or are partially overlapped with each other.