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.

公开(公告)号：US10719160B2

公开(公告)日：2020-07-21

申请号：US16210280

申请日：2018-12-05

Applicant: Samsung Display Co., Ltd.

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

IPC: G06F3/041 ,  G06F1/16 ,  G06F3/045 ,  H05K1/18

Abstract: A display device includes a bracket, a display panel, a first force sensor, and a main circuit board. The display panel is disposed on the bracket. The first force sensor is disposed between the display panel and the bracket, the first force sensor being adjacent to a first edge of the display panel. The main circuit board is disposed below the bracket such that the bracket is disposed between the display panel and the main circuit board. The bracket includes a first hole exposing the main circuit board. The first force sensor is connected to the main circuit board through the first hole.

公开(公告)号：US20200042131A1

公开(公告)日：2020-02-06

申请号：US16210280

申请日：2018-12-05

Applicant: Samsung Display Co., Ltd.

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

IPC: G06F3/041 ,  G06F3/045 ,  G06F1/16 ,  H05K1/18

Abstract: A display device includes a bracket, a display panel, a first force sensor, and a main circuit board. The display panel is disposed on the bracket. The first force sensor is disposed between the display panel and the bracket, the first force sensor being adjacent to a first edge of the display panel. The main circuit board is disposed below the bracket such that the bracket is disposed between the display panel and the main circuit board. The bracket includes a first hole exposing the main circuit board. The first force sensor is connected to the main circuit board through the first hole.

公开(公告)号：US12056304B2

公开(公告)日：2024-08-06

申请号：US18161948

申请日：2023-01-31

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

CPC classification number: G06F3/0414 ,  G01L1/142 ,  G01L1/26 ,  G06F3/044 ,  G01L1/20 ,  G06F2203/04105

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：US12025519B2

公开(公告)日：2024-07-02

申请号：US17520412

申请日：2021-11-05

Applicant: Samsung Display Co., Ltd.

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

IPC: G01L25/00 ,  G06F3/041 ,  G06F3/14

CPC classification number: G01L25/00 ,  G06F3/0418 ,  G06F3/14

Abstract: A test apparatus includes: a stage having a planar surface extending in a first direction and a second direction crossing the first direction; a mounting portion that is disposed on the stage to place a test member thereon; an angle adjusting portion adjusting a first angle of the mounting portion to incline the mounting portion with respect to the planar surface of the stage; and a pressing guide disposed on the stage and moving a pressing member in the first direction, the second direction, and a third direction normal to the planar surface of the stage.

公开(公告)号：US11989363B2

公开(公告)日：2024-05-21

申请号：US17379737

申请日：2021-07-19

Applicant: Samsung Display Co., Ltd.

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

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0416 ,  G06F3/0412 ,  G06F3/044 ,  G06F2203/04105

Abstract: A display device including a display panel; a pressure sensor disposed under the display panel and including a first protrusion at one side thereof; and a waterproofing member disposed under the display panel and including a first accommodation portion at one side thereof facing the one side. The protrusion of the pressure sensor is disposed to face the first accommodation portion of the waterproofing member, and the first protrusion is inserted in the first accommodation portion.

公开(公告)号：US11961322B2

公开(公告)日：2024-04-16

申请号：US17189203

申请日：2021-03-01

Applicant: Samsung Display Co., LTD.

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

IPC: G06V40/13 ,  A61B5/0265 ,  G06F1/16

CPC classification number: G06V40/1318 ,  A61B5/0265 ,  G06F1/1684 ,  A61B2562/0261

Abstract: Provided are a force sensor, a display device including the same, and a method of driving the same. The force sensor includes a first base substrate and a second base substrate facing each other; first force sensor electrodes extending in a first direction and arranged in a second direction crossing the first direction on the first base substrate; second force sensor electrodes extending in the second direction and arranged in the first direction on the second base substrate; and a sensor hole configured to transmit light. Any one of the first force sensor electrodes includes a first sub-force sensor electrode disposed on a first side of the sensor hole and a second sub-force sensor electrode disposed on a second side opposite to the first side of the sensor hole.

公开(公告)号：US11836312B2

公开(公告)日：2023-12-05

申请号：US17114242

申请日：2020-12-07

Applicant: Samsung Display Co., Ltd.

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

IPC: G06F3/041 ,  G06F1/16

CPC classification number: G06F3/0414 ,  G06F1/1626 ,  G06F1/1643

Abstract: A display device includes: a display panel; a first force sensor disposed under the display panel; and a first waterproof member disposed under the display panel and disposed on an outer side of the first force sensor, wherein a height of the first waterproof member is larger than a height of the first force sensor.

公开(公告)号：US11573654B2

公开(公告)日：2023-02-07

申请号：US17101652

申请日：2020-11-23

Applicant: Samsung Display Co., Ltd.

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

IPC: G06F3/041 ,  G06F3/04883 ,  G06F3/01 ,  H01L25/075 ,  H01L27/12 ,  H01L33/50 ,  H01L33/58 ,  H01L33/62 ,  B82Y20/00

Abstract: A display device includes a display panel, a first force sensor, a first vibration generator, and a first electromagnetic wave shielding member. The first force sensor is disposed under the display panel. The first vibration generator is disposed under the display panel and adjacent to the first force sensor. The first electromagnetic wave shielding member surrounds side surfaces of the first vibration generator.