公开(公告)号：US11769787B2

公开(公告)日：2023-09-26

申请号：US17403828

申请日：2021-08-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Gyun Kim ,  Moon Jung An ,  Dong Eon Lee ,  Hye Lim Kang ,  Hoo Keun Park ,  Byung Ju Lee

IPC: H01L27/15 ,  H01L33/50 ,  H01L33/58

CPC classification number: H01L27/156 ,  H01L33/505 ,  H01L33/58

Abstract: A display device includes a substrate; a first electrode and a second electrode arranged to be spaced apart from each other on the substrate; a first insulating layer on the substrate; a light emitting element on the first insulating layer, located between the first electrode and the second electrode, and including a first end portion and a second end portion; a third electrode on the substrate and electrically connected to the first electrode and the first end portion; a fourth electrode on the substrate and electrically connected to the second electrode and the second end portion; a second insulating layer on the substrate and covering the light emitting element, the third electrode, and the fourth electrode; and a light diffusion layer on the second insulating layer and including a light diffusion particle.

公开(公告)号：US20230111380A1

公开(公告)日：2023-04-13

申请号：US18045814

申请日：2022-10-11

Applicant: Samsung Display Co., LTD.

Inventor： Jin Wan Kim ,  Seung Geun Lee ,  Sang Jo KIM ,  Hoo Keun Park

IPC: H01L27/15 ,  H01L33/06 ,  H01L33/38 ,  H01L33/62 ,  H01L33/00

Abstract: A display device and a method for manufacturing the same are provided. The display device includes a substrate, pixel electrodes on the substrate, and light emitting elements on the pixel electrodes, each of the light emitting elements including a first stack configured to emit first light, a second stack below the first stack, and configured to emit second light, a third stack below the second stack, and configured to emit third light, and tunnel function layers respectively between the first stack and the second stack, and between the second stack and the third stack.

公开(公告)号：US12218176B2

公开(公告)日：2025-02-04

申请号：US17423450

申请日：2019-11-25

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Young Rag Do ,  Hoo Keun Park

IPC: H01L27/15 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44 ,  H01L33/58

Abstract: Provided are a light emitting element and a display device comprising same. The light emitting element comprises: a first conductivity type semiconductor doped with a dopant having a first polarity, a second conductivity type semiconductor doped with a dopant having a second polarity opposite to the first polarity; an active layer between the first conductivity type semiconductor and the second conductivity type semiconductor; and an insulation film which surrounds at least a side surface of the active layer, wherein the insulation film includes an insulation coating film and at least one light conversion particle on at least a portion of the insulation coating film.

公开(公告)号：US11094741B2

公开(公告)日：2021-08-17

申请号：US16738490

申请日：2020-01-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Gyun Kim ,  Moon Jung An ,  Dong Eon Lee ,  Hye Lim Kang ,  Hoo Keun Park ,  Byung Ju Lee

IPC: H01L27/15 ,  H01L33/50 ,  H01L33/58

Abstract: A display device includes a substrate; a first electrode and a second electrode arranged to be spaced apart from each other on the substrate; a first insulating layer on the substrate; a light emitting element on the first insulating layer, located between the first electrode and the second electrode, and including a first end portion and a second end portion; a third electrode on the substrate and electrically connected to the first electrode and the first end portion; a fourth electrode on the substrate and electrically connected to the second electrode and the second end portion; a second insulating layer on the substrate and covering the light emitting element, the third electrode, and the fourth electrode; and a light diffusion layer on the second insulating layer and including a light diffusion particle.

公开(公告)号：US12183771B2

公开(公告)日：2024-12-31

申请号：US17520227

申请日：2021-11-05

Applicant: Samsung Display Co., Ltd.

Inventor： Seung Geun Lee ,  Byung Ju Lee ,  Hoo Keun Park ,  Chul Jong Yoo ,  Dong Eon Lee

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

Abstract: A display device includes a first subpixel and a second subpixel, wherein the first subpixel includes a first light source unit including a plurality of first light-emitting elements configured to emit first light having a center wavelength of a first wavelength, the second subpixel includes a second light source unit including a plurality of second light-emitting elements configured to emit second light having a center wavelength of a second wavelength, the first light source unit includes first to nth light-emitting groups that are connected in series, each of the groups including the plurality of first light-emitting elements, the second light source unit includes first to mth light-emitting groups that are connected in series and each of the groups includes the plurality of second light-emitting elements, where n and m are natural numbers, and the second wavelength is different from the first wavelength.