公开(公告)号：US12034097B2

公开(公告)日：2024-07-09

申请号：US17315855

申请日：2021-05-10

Applicant: Samsung Display Co., Ltd.

Inventor： Dae Hyun Kim ,  Jong Hyuk Kang ,  Joo Yeol Lee ,  Hyun Deok Im ,  Chi O Cho ,  Hyun Min Cho

IPC: H01L33/24 ,  G09G3/32 ,  H01L25/075 ,  H01L27/12 ,  H01L27/15 ,  H01L33/00 ,  H01L33/16 ,  H01L33/32 ,  H01L33/38 ,  H01L33/44

CPC classification number: H01L33/24 ,  H01L27/156 ,  H01L33/007 ,  H01L33/0075 ,  H01L33/16 ,  H01L33/325 ,  H01L33/38 ,  H01L33/44 ,  G09G3/32 ,  G09G2300/0452 ,  G09G2310/0278 ,  H01L25/0753 ,  H01L27/1214 ,  H01L2224/95085 ,  H01L2933/0016 ,  H01L2933/0025

Abstract: A light emitting device including first and second electrodes spaced apart from each other on a substrate, at least one bar-type LED having a first end on the first electrode and a second end on the second electrode, and an insulative support body between the substrate and the bar-type LED. The at least one bar-type LED has a length greater than a width.

公开(公告)号：US12033986B2

公开(公告)日：2024-07-09

申请号：US17261414

申请日：2019-01-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tae Jin Kong ,  Hee Keun Lee ,  Xinxing Li ,  Hyun Min Cho ,  Dae Hyun Kim ,  Myeong Hee Kim ,  Veidhes Basrur ,  Chang Il Tae

IPC: H01L25/075 ,  H01L33/62

CPC classification number: H01L25/0753 ,  H01L33/62 ,  H01L2933/0066

Abstract: A light emitting device may include: a substrate including emission areas; a first electrode disposed on the substrate; a second electrode disposed on the substrate and spaced apart from the first electrode; light emitting elements disposed on the substrate, each of the light emitting elements including a first end and a second end in a longitudinal direction of the light emitting elements; a bank disposed in each of the emission areas and including openings in which portions of each of the unit emission areas are exposed; a first contact electrode that electrically connects the first electrode with the first end of each of the light emitting elements; and a second contact electrode that electrically connects the second electrode with the second end of each of the light emitting elements. At least one of the light emitting elements may be disposed in each of the openings.

公开(公告)号：US12017465B2

公开(公告)日：2024-06-25

申请号：US17786293

申请日：2020-12-15

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Deok Im ,  Jong Hyuk Kang ,  Hyun Min Cho

IPC: B41J2/095 ,  B41J2/09 ,  B41J2/14 ,  B41J2/40 ,  B41J25/00 ,  H01L21/02

CPC classification number: B41J25/006 ,  B41J2/09 ,  B41J2/095 ,  B41J2/14072 ,  B41J2/40 ,  H01L21/02 ,  H01L21/02288

Abstract: An inkjet printing apparatus comprises a frame, an inkjet head disposed on the frame, a first probe disposed on the frame, arranged at a side of the inkjet head, and providing a first voltage, and a second probe disposed on the frame, arranged at another side of the inkjet head, and providing a second voltage.

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.