公开(公告)号：US10788911B2

公开(公告)日：2020-09-29

申请号：US16151015

申请日：2018-10-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Won Ki Hong ,  Tae Hee Lee ,  Won Sang Park

IPC: G06F3/041 ,  G02F1/1333

Abstract: A display device includes a display panel having a central display portion and a first edge display portion extending from the central display portion and including a first bent region. A pressure detection module overlaps the first edge and includes a first sensing electrode and a second sensing electrode which extend in different directions. A bump member is in direct contact with the pressure detection module. The bump member includes a plurality of first protruding patterns, each of which overlaps a node defined as a region in which the first sensing electrode and the second sensing electrode cross.

公开(公告)号：US20200057507A1

公开(公告)日：2020-02-20

申请号：US16294762

申请日：2019-03-06

Applicant: Samsung Display Co., Ltd.

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

IPC: G06F3/02

Abstract: A display device includes: a display panel; a conductive sheet disposed below the display panel; a force concentration bump disposed below the conductive sheet and disposed adjacent to a first edge of the display panel; and a force sensor disposed below the conductive sheet, extending in a first direction along the first edge of the display panel, the force sensor includes a sensing region, wherein the force concentration bump overlaps the sensing region, and the force concentration bump and the conductive sheet are made of a same material.

公开(公告)号：US20190179470A1

公开(公告)日：2019-06-13

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 ,  G09G3/3233 ,  H01L27/32 ,  G09G3/3266 ,  G09G3/3275 ,  H01L51/52 ,  H01L51/00 ,  G09F9/30

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：US12066340B2

公开(公告)日：2024-08-20

申请号：US16356208

申请日：2019-03-18

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: G06F3/041 ,  G01L1/20

CPC classification number: G01L1/205 ,  G06F3/041 ,  G06F2203/04105

Abstract: A display device includes a display panel and a first force sensor. The first force sensor is disposed adjacent to a first edge of the display panel and extends along the first edge. The first force sensor includes a plurality of first sensing regions and a second sensing region disposed closer to the second end of the first force sensor than the first sensing regions. The first sensing regions are disposed closer to a first end of the first force sensor than the second sensing region, and the second sensing region. The second sensing region is disposed closer to a second end of the first force sensor than the first sensing regions. The second sensing region has a larger area than each of the first sensing regions.

公开(公告)号：US11567601B2

公开(公告)日：2023-01-31

申请号：US17494021

申请日：2021-10-05

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 ,  G01L1/26 ,  G06F3/044 ,  G01L1/20

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 force 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：US11474630B2

公开(公告)日：2022-10-18

申请号：US17216583

申请日：2021-03-29

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：US11320924B2

公开(公告)日：2022-05-03

申请号：US16908711

申请日：2020-06-22

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: G06F3/041

Abstract: A display device controls a display by changing a reference value set in a foldable area of a display panel. The display device includes a display panel displays an image and outputs force sensing signals, and a controller that converts the force sensing signals into force values and controls the display when the force values in the foldable area of the display area are equal to or greater than a second reference value different from a first reference value.

公开(公告)号：US11290583B2

公开(公告)日：2022-03-29

申请号：US16920073

申请日：2020-07-02

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：US11068102B2

公开(公告)日：2021-07-20

申请号：US16928360

申请日：2020-07-14

Applicant: Samsung Display Co., Ltd.

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

IPC: G06F3/041

Abstract: A display device is provided. The display device includes: a display panel including a first area, a second area, and a folding area between the first area and the second area, and a force sensor at one surface of the display panel. The force sensor includes a plurality of first touch cells overlapping the first area or the second area, a plurality of second touch cells overlapping the folding area, and a touch driver which controls a threshold voltage of the plurality of second touch cells on the basis of an intensity of a base force of the plurality of second touch cells.

公开(公告)号：US11023064B2

公开(公告)日：2021-06-01

申请号：US16414712

申请日：2019-05-16

Applicant: Samsung Display Co., Ltd.

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

IPC: G06F3/041 ,  H05K1/14 ,  H05K1/18 ,  G06F3/0481 ,  H01L27/32 ,  G06F3/0488

Abstract: A display device including a first pressure sensor disposed under a display panel that includes an upper surface, a first upper curved portion extended from a first edge of the upper surface, and a first side surface extended from the first upper curved portion. The first pressure sensor is disposed in the first upper curved portion.