公开(公告)号：US20190353540A1

公开(公告)日：2019-11-21

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: G01L1/20 ,  G06F3/041

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：US20190221778A1

公开(公告)日：2019-07-18

申请号：US16003873

申请日：2018-06-08

Applicant: Samsung Display Co., Ltd.

Inventor： Suk Kim ,  Gee Bum Kim ,  Sung Kook Park

IPC: H01L51/52 ,  H01L27/32

Abstract: An organic light-emitting display device includes: a substrate; a first organic light-emitting layer disposed on the substrate; a pixel defining film disposed on the first organic light-emitting layer and having a first opening, which at least partially exposes the first organic light-emitting layer; and an optical path converter disposed on the pixel defining film to overlap with the first organic light-emitting layer and including a first optical path converting member, which has a first refractive index, and a second optical path converting member, which has a second refractive index that is lower than the first refractive index.

公开(公告)号：US12295194B2

公开(公告)日：2025-05-06

申请号：US17561074

申请日：2021-12-23

Applicant: Samsung Display Co., LTD.

Inventor： Hyung Il Jeon ,  Sung Kook Park ,  Ki Seong Seo ,  So Yeon Yoon ,  Joo Woan Cho

IPC: H10H29/14 ,  H10H20/01 ,  H10H20/831 ,  H10H20/851 ,  H10H20/856

Abstract: A display device includes a backplane line disposed on a substrate, a protective layer overlapping the backplane line, a first electrode disposed on the protective layer, a light emitting element electrically connected to the first electrode, and a reflective pattern including a reflective material and disposed between the substrate and the first electrode, the reflective pattern overlaps the backplane line in a plan view.

公开(公告)号：US12148861B2

公开(公告)日：2024-11-19

申请号：US17718869

申请日：2022-04-12

Applicant: Samsung Display Co., LTD.

Inventor： Jin Woo Choi ,  Sung Kook Park ,  Sung Eun Baek ,  Byung Choon Yang ,  So Yeon Yoon

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/00 ,  H01L33/42 ,  H01L33/62

Abstract: A display device includes a pixel electrode disposed on a substrate and including a reflective electrode layer and an upper electrode layer, a contact electrode disposed on the pixel electrode, light-emitting elements disposed on the contact electrode and disposed perpendicular to the pixel electrode, a planarization layer disposed on the pixel electrode, the planarization layer filling a space between the light-emitting elements, and a common electrode disposed on the planarization layer and the light-emitting elements, and a size of the contact electrode is equal to a size of each of the light-emitting elements in a plan view, and the upper electrode layer is disposed on the reflective electrode layer and is in a polycrystalline phase.

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：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.

公开(公告)号：US11320925B2

公开(公告)日：2022-05-03

申请号：US17035850

申请日：2020-09-29

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.