公开(公告)号：US12009383B2

公开(公告)日：2024-06-11

申请号：US17277284

申请日：2019-03-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Xinxing Li ,  Hyun Min Cho ,  Dae Hyun Kim ,  Veidhes Basrur ,  Bek Hyun Lim

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

CPC classification number: H01L27/156 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44

Abstract: A light emitting device may include: a first emission area including a first light emitting diode: a second emission area including a second light emitting diode, at least one pair of first and second partition walls facing each other in each of the first and second emission areas at least one first electrode on the first partition wall to cover the first partition wall, and being electrically connected to a first end of at least one of the first and second light emitting diodes; and at least one second electrode on the second partition wall to cover the second partition wall, and being electrically connected to a second end of at least one of the first and second light emitting diodes. The first and second partition walls may have, in the first emission area, a structure different from that in the second emission area.

公开(公告)号：US11937472B2

公开(公告)日：2024-03-19

申请号：US17445471

申请日：2021-08-19

Applicant: Samsung Display Co., Ltd. ,  POSTECH ACADEMY-INDUSTRY FOUNDATION

Inventor： Sang Gab Kim ,  Hyun Min Cho ,  Tae Sung Kim ,  Yu-Gwang Jeong ,  Su Bin Bae ,  Jin Seock Kim ,  Sang Gyun Kim ,  Hyo Min Ko ,  Kil Won Cho ,  Hansol Lee

IPC: H10K59/131 ,  H10K59/12 ,  H10K71/00 ,  H10K102/00

CPC classification number: H10K59/131 ,  H10K59/1201 ,  H10K71/00 ,  H10K2102/341

Abstract: An manufacturing method of a display device may include the following steps: forming a transistor on a substrate; forming an insulating layer on the transistor; forming a conductive layer including silver on the insulating layer; forming a photosensitive member on the conductive layer; forming an electrode of a light-emitting element by etching the conductive layer; performing plasma treatment on a structure that comprises the electrode, the plasma treatment using a gas including a halogen; and removing a product that is resulted from the plasma treatment.

公开(公告)号：US11867612B2

公开(公告)日：2024-01-09

申请号：US17205487

申请日：2021-03-18

Applicant: Samsung Display Co., LTD.

Inventor： Je Won Yoo ,  Basrur Veidhes ,  Dae Hyun Kim ,  Hyun Min Cho ,  Jong Won Lee ,  Joo Yeol Lee

IPC: G01N21/25 ,  G02B21/06 ,  G02B21/36 ,  G01N21/17 ,  G02B21/26 ,  G01R31/26 ,  G01R31/265

CPC classification number: G01N21/255 ,  G01N21/1717 ,  G01R31/2635 ,  G01R31/2656 ,  G02B21/06 ,  G02B21/26 ,  G02B21/361 ,  G01N2021/1721

Abstract: An optical inspection apparatus includes a stage that supports a target substrate, the target substrate including a plurality of light emitting elements, a jig that applies an electrical signal to the target substrate, the jig including a regulation resistor, a microscope that generates magnified image data of the target substrate, a camera that captures the magnified image data to generate a color image of the target substrate, and an optical measurement unit that captures the magnified image data of the target substrate to generate a spectrum image and measure optical characteristics of the target substrate.

公开(公告)号：US11848335B2

公开(公告)日：2023-12-19

申请号：US17755970

申请日：2020-10-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Won Sik Oh ,  Hyun Min Cho ,  Dae Hyun Kim

IPC: H01L27/12 ,  G09G3/32 ,  H01L23/00 ,  H01L25/16 ,  H01L33/62 ,  H01L33/32

CPC classification number: H01L27/124 ,  G09G3/32 ,  H01L24/24 ,  H01L24/25 ,  H01L25/167 ,  H01L33/62 ,  G09G2300/0408 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2300/0852 ,  G09G2320/0223 ,  H01L33/32 ,  H01L2224/24051 ,  H01L2224/24147 ,  H01L2224/2512 ,  H01L2224/25175 ,  H01L2924/12041

Abstract: A display device may include a first scan line, a first data line and a second data line, a first read-out line and a second read-out line. A first sub-pixel may be connected to the first scan line, the first data line, and the first read-out line. A second sub-pixel may be connected to the first scan line, the first data line, and the second read-out line. A third sub-pixel may be connected to the first scan line, the second data line, and the first read-out line. Each of the first sub-pixel, the second sub-pixel, and the third sub-pixel may include at least one light emitting element.

公开(公告)号：US11817474B2

公开(公告)日：2023-11-14

申请号：US17818345

申请日：2022-08-08

Applicant: SAMSUNG DISPLAY CO., LTD.

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

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

CPC classification number: H01L27/156 ,  H01L33/38 ,  H01L33/62

Abstract: A display device comprises a first electrode, a second electrode disposed to be spaced apart from the first electrode and face the first electrode, a first insulating layer disposed to cover the first electrode and the second electrode, a second insulating layer disposed on at least a part of the first insulating layer and exposing at a part of a region where the first electrode and the second electrode overlaps the first insulating layer and at least one light emitting element on the exposed first insulating layer between the first electrode and the second electrode, wherein the second insulating layer includes at least one opening exposing the first insulating layer and disposed to be spaced apart from each other on a region where the first electrode and the second electrode face each other, and a bridge portion between the openings, and the light emitting element is disposed on the opening.

公开(公告)号：US11409155B2

公开(公告)日：2022-08-09

申请号：US17197571

申请日：2021-03-10

Applicant: SAMSUNG DISPLAY CO., LTD.

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

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

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：US11380753B2

公开(公告)日：2022-07-05

申请号：US16899782

申请日：2020-06-12

Applicant: Samsung Display Co., LTD.

Inventor： Sang Gab Kim ,  Tae Sung Kim ,  Joon Geol Lee ,  Hyun Min Cho ,  Dae Won Choi ,  Yun Jong Yeo

IPC: H01L27/32 ,  H01L51/00

Abstract: A display device includes a base substrate; an organic layer disposed on the base substrate; and a first conductive layer disposed on the organic layer, wherein the first conductive layer includes a plurality of stacked films, the plurality of stacked films include a first conductive film disposed directly on the organic layer and a second conductive film disposed on the first conductive film, and the first conductive film has an oxygen concentration higher than an oxygen concentration of the second conductive film.

公开(公告)号：US11367823B2

公开(公告)日：2022-06-21

申请号：US17049950

申请日：2018-09-27

Applicant: Samsung Display Co., Ltd.

Inventor： Dae Hyun Kim ,  Hyun Min Cho ,  Hyun Deok Im ,  Jong Hyuk Kang ,  Keun Kyu Song ,  Joo Yeol Lee ,  Bek Hyun Lim ,  Sung-Chan Jo

IPC: H01L33/62 ,  H01L25/075 ,  H01L25/16 ,  H01L27/12 ,  H01L33/38 ,  H01L33/24 ,  H01L33/60

Abstract: A light emitting device may include: a substrate including a plurality of unit light emitting regions; and first to fourth insulating layers sequentially on the substrate. Each of the unit light emitting regions may include: at least one light emitting element on the first insulating layer, the at least one light emitting element including a first end portion and a second end portion in a length direction thereof; first and second banks on the substrate; a first electrode on the first bank and a second electrode on the second bank; a first contact electrode on the first electrode; a second contact electrode on the second electrode; and a conductive pattern provided between the first insulating layer and the first contact electrode, the conductive pattern surrounding the first and second electrodes when viewed on a plane.

公开(公告)号：US11189681B2

公开(公告)日：2021-11-30

申请号：US16409991

申请日：2019-05-13

Applicant: Samsung Display Co., Ltd.

Inventor： Kyeong Su Ko ,  Joon Geol Lee ,  Shin Il Choi ,  Sang Gab Kim ,  Hyun Min Cho ,  Hyun Eok Shin

IPC: H01L51/05 ,  H01L51/00 ,  H01L27/32 ,  H01L51/56

Abstract: An OLED display according to an exemplary embodiment includes: a substrate; a gate insulation layer that is disposed on the substrate; and a gate wire that is disposed on the gate insulation layer, and includes a gate electrode, wherein the gate wire includes a single layer of aluminum or an aluminum alloy, and an angle formed by side surfaces of the gate wire and the gate insulation layer is less than 65°.

公开(公告)号：US11183518B2

公开(公告)日：2021-11-23

申请号：US16987952

申请日：2020-08-07

Applicant: Samsung Display Co., Ltd.

Inventor： Yu-Gwang Jeong ,  Hyun Min Cho ,  Su Bin Bae ,  Shin Il Choi ,  Sang Gab Kim

IPC: H01L27/12 ,  H01L21/311 ,  H01L29/417 ,  H01L29/786 ,  G02F1/1368 ,  H01L27/32

Abstract: A transistor array panel is manufactured by a method that reduces or obviates the need for highly selective etching agents or complex processes requiring multiple photomasks to create contact holes. The panel includes: a substrate; a buffer layer positioned on the substrate; a semiconductor layer positioned on the buffer layer; an intermediate insulating layer positioned on the semiconductor layer; and an upper conductive layer positioned on the intermediate insulating layer, wherein the semiconductor layer includes a first contact hole, the intermediate insulating layer includes a second contact hole positioned in an overlapping relationship with the first contact hole, and the upper conductive layer is in contact with a side surface of the semiconductor layer in the first contact hole.