公开(公告)号：US12199199B2

公开(公告)日：2025-01-14

申请号：US18503148

申请日：2023-11-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ki June Lee ,  Jung Ha Son ,  Tae Sung Kim ,  Jae Ik Lim ,  Hyun Min Cho

IPC: H01L27/146 ,  H01L27/144 ,  H01L31/0216

Abstract: An optical sensor includes a substrate, a photoelectric element disposed on the substrate and that includes a first electrode, an intermediate layer disposed on the first electrode, and a second electrode disposed on the intermediate layer, a barrier layer disposed on the second electrode, an insulating layer that covers the photoelectric element and the barrier layer, and a bias electrode disposed on the insulating layer and electrically connected to the second electrode. The barrier layer is spaced apart from the first electrode.

公开(公告)号：US12197064B2

公开(公告)日：2025-01-14

申请号：US17812226

申请日：2022-07-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jae Byung Park ,  Sung Sik Yun ,  Jong Hyuk Kang ,  Hae Il Park ,  Hyun Min Cho

IPC: G02F1/1335 ,  G02F1/1333 ,  G02F1/13357 ,  G02F2/02

Abstract: A wide viewing angle liquid crystal display includes color filters having a quantum dot and scattering particles and liquid crystal layer disposed in a microcavity, a distance between the color filter and the liquid crystal layer being sized to minimize display deterioration due to parallax.

公开(公告)号：US12191425B2

公开(公告)日：2025-01-07

申请号：US17631871

申请日：2020-07-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Eun A Yang ,  Jin Woo Choi ,  Hyun Min Cho

IPC: H01L33/62 ,  H01L25/075 ,  H01L27/15 ,  H01L33/00 ,  H01L33/38 ,  H01L33/50

Abstract: A display device may include: a base layer including a plurality of islands, at least one first bridge configured to connect the islands in a first direction, and at least one second bridge configured to connect the islands in a second direction; and at least one pixel including a plurality of sub-pixels in the base layer. Each of the sub-pixels may include: a first electrode and a second electrode in one island of the islands and spaced from each other; a third electrode and a fourth electrode in one bridge of the at least one first bridge and the at least one second bridge and spaced from each other; at least one first light emitting element between the first electrode and the second electrode; and at least one second light emitting element between the third electrode and the fourth electrode.

公开(公告)号：US12170343B2

公开(公告)日：2024-12-17

申请号：US17307717

申请日：2021-05-04

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Won Lee ,  Je Won Yoo ,  Chul Jong Yoo ,  Hyun Min Cho

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/20

Abstract: A light emitting element and a display device including the same are provided. The light emitting element includes: a first semiconductor layer, a second semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer; a passivation layer surrounding an outer surface of at least one selected from the first semiconductor layer, the second semiconductor layer, and the active layer; and an insulation layer surrounding an outer surface of the passivation layer, wherein the passivation layer includes a two-dimensional (2D) material.

公开(公告)号：US12119368B2

公开(公告)日：2024-10-15

申请号：US17276038

申请日：2019-04-23

Applicant: Samsung Display Co., LTD.

Inventor： Seung A Lee ,  Dong Uk Kim ,  Hyun Min Cho ,  Dae Hyun Kim ,  Jung Hong Min ,  Dong Eon Lee ,  Hyung Rae Cha

IPC: H01L33/00 ,  H01L27/15 ,  H01L33/24 ,  H01L33/44 ,  H01L33/60

CPC classification number: H01L27/156 ,  H01L33/007 ,  H01L33/0093 ,  H01L33/0095 ,  H01L33/24 ,  H01L33/44 ,  H01L33/60 ,  H01L2933/0025

Abstract: A method of manufacturing a light-emitting element comprises providing a semiconductor structure on a substrate, the semiconductor structure emitting light having different wavelength bands from each other, measuring the light having the different wavelength bands from each other and defining wavelength regions, forming nanopatterns spaced apart from each other on the semiconductor structure, the nanopatterns having different diameters from each other, and etching the semiconductor structure to form element rods.

公开(公告)号：US12100728B2

公开(公告)日：2024-09-24

申请号：US17285689

申请日：2019-04-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Oh Kwag ,  Jong Hyuk Kang ,  Keun Kyu Song ,  Sung-Chan Jo ,  Hyun Min Cho

IPC: H01L27/12 ,  H01L27/15 ,  H01L29/786 ,  H01L33/24 ,  H01L33/38 ,  H01L33/62

CPC classification number: H01L27/156 ,  H01L29/78633 ,  H01L33/24 ,  H01L33/38 ,  H01L33/62

Abstract: A display device comprises a substrate including a display area and a non-display area, and pixels disposed in the display area, each of the pixels including sub-pixels. Each of sub-pixels includes a pixel circuit layer, and a display element layer including at least one light emitting element. The display element layer includes first and second electrodes spaced apart from each other, the light emitting element disposed between the first electrode and second electrode, a first contact electrode that electrically connects an end of the light emitting element to the first electrode, and a second contact electrode that electrically connects another end of the light emitting element to the second electrode. Each of sub-pixels includes a first area in which the pixel circuit layer is disposed, and a second area adjacent to the first area. The second area includes a transmission area through which the light passes.

公开(公告)号：US12062739B2

公开(公告)日：2024-08-13

申请号：US17257756

申请日：2019-01-03

Applicant: Samsung Display Co., LTD.

Inventor： Dae Hyun Kim ,  Hyun Min Cho ,  Jin Oh Kwag ,  Keun Kyu Song ,  Sung Chan Jo

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

CPC classification number: H01L33/382 ,  H01L27/156 ,  H01L33/005 ,  H01L2933/0016

Abstract: A display device includes a first electrode, a second electrode spaced apart from the first electrode to face the first electrode, a first insulation layer, at least one light emitting element, a second insulation layer, a first contact electrode, and a second contact electrode. The first insulation layer includes an overlapping area which overlaps the at least one light emitting element, a first non-overlapping area which extends outward from the first end of the at least one light emitting element and does not overlap the at least one light emitting element, and a second non-overlapping area which extends outward from the second end of the at least one light emitting element and does not overlap the at least one light emitting element.

公开(公告)号：US11990566B2

公开(公告)日：2024-05-21

申请号：US17260944

申请日：2018-12-13

Applicant: Samsung Display Co., Ltd.

Inventor： Won Sik Oh ,  Sin Chul Kang ,  Dae Hyun Kim ,  Hyun Min Cho

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

CPC classification number: H01L33/382 ,  H01L27/156 ,  H01L33/62

Abstract: A display device includes a first electrode stem and a second electrode stem extended in a first direction and spaced from each other, a first electrode branch branching off from the first electrode stem and extended in a second direction, a second electrode branch branching off from the second electrode stem and extended in the second direction, a third electrode between the first electrode branch and the second electrode branch and one or more light-emitting elements between the first electrode branch and the third electrode and between the third electrode and the second electrode branch, wherein the third electrode is extended in the second direction, and both ends of the third electrode in the second direction are spaced from the first electrode stem and from the second electrode stem, respectively.

公开(公告)号：US11984539B2

公开(公告)日：2024-05-14

申请号：US17297870

申请日：2019-06-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Su Mi Moon ,  Eun Ju Kim ,  Hyun Min Cho

IPC: H01L33/44 ,  H01L25/16 ,  H01L33/00 ,  H01L33/24

CPC classification number: H01L33/44 ,  H01L25/167 ,  H01L33/0062 ,  H01L33/0066 ,  H01L33/24 ,  H01L2933/0025

Abstract: A light emitting element includes an emission stacked pattern and an insulating film. The emission stack pattern includes a first conductive semiconductor layer, an active layer disposed on the first conductive semiconductor layer, and a second conductive semiconductor layer disposed on the active layer. The insulating film surrounds an outer surface of the emission stacked pattern and has a non-uniform thickness.

公开(公告)号：US11984470B2

公开(公告)日：2024-05-14

申请号：US17423290

申请日：2019-12-05

Applicant: Samsung Display Co., LTD.

Inventor： Keun Kyu Song ,  Jung Hong Min ,  Dae Hyun Kim ,  Dong Uk Kim ,  Hyun Min Cho

IPC: H01L33/00 ,  H01L27/15 ,  H01L33/24 ,  H01L33/30 ,  H01L33/38 ,  H01L33/44

CPC classification number: H01L27/156 ,  H01L33/0066 ,  H01L33/0093 ,  H01L33/24 ,  H01L33/30 ,  H01L33/38 ,  H01L33/44 ,  H01L2933/0025

Abstract: A light-emitting diode includes a first semiconductor region having a first conductive type; a second semiconductor region having a second conductive type; and an active layer disposed between the first semiconductor region and the second semiconductor region and including phosphorus (P). The light-emitting diode has a rod shape, the second semiconductor region includes a first semiconductor layer, a second semiconductor layer, and a third semiconductor layer, which are sequentially stacked, the first semiconductor layer is disposed between the active layer and the second semiconductor layer, and the second semiconductor layer includes a compound represented by AlGaInP and satisfying Equation 1.