公开(公告)号：US20230282778A1

公开(公告)日：2023-09-07

申请号：US17992656

申请日：2022-11-22

Applicant: Samsung Display Co., LTD.

Inventor： Dong Gyun KIM ,  Jun Bo SIM ,  Hee Yeon YOO ,  Jeong In CHOI ,  Chul Jong YOO ,  Yo Han LEE ,  Sung Ae JANG ,  Hyun Min CHO ,  Hyung Rae CHA

IPC: H01L33/38 ,  H01L25/075 ,  H01L33/62

CPC classification number: H01L33/382 ,  H01L25/0753 ,  H01L33/62

Abstract: A light-emitting element comprises a core comprising a first semiconductor layer, a second semiconductor layer provided on the first semiconductor layer, and an emissive layer provided between the first semiconductor layer and the second semiconductor layer, and a first element insulating film around a side surface of the core, wherein the first element insulating film comprises a composite of an insulating member and an elastic member.

公开(公告)号：US20230006119A1

公开(公告)日：2023-01-05

申请号：US17784462

申请日：2020-11-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Won Sik OH ,  Su Mi MOON ,  Sin Chul KANG ,  Hyun Min CHO ,  Xinxing LI ,  Chul Jong YOO

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

Abstract: A display device may include a substrate including pixel areas, and a pixel disposed in each of the pixel area. The pixel may include a transistor and a driving voltage line disposed in the substrate, first and second electrodes spaced apart from each other, a bank pattern disposed on the first and second electrodes, respectively, intermediate layers disposed on the bank pattern, light emitting elements disposed between two adjacent intermediate layers of the intermediate layers, a first contact electrode disposed on one of the two adjacent intermediate layers and electrically connected to an end of each of the light emitting elements, and a second contact electrode disposed on another one of the two adjacent intermediate layers and electrically connected to another end of each of the light emitting elements.

公开(公告)号：US20220173277A1

公开(公告)日：2022-06-02

申请号：US17389127

申请日：2021-07-29

Applicant: Samsung Display Co., LTD.

Inventor： So Young LEE ,  Dong Uk KIM ,  Chul Jong YOO ,  Se Young KIM

IPC: H01L33/44 ,  H01L33/20 ,  H01L25/075 ,  H01L33/00 ,  H01L25/16

Abstract: A display device, a light-emitting element, and a method of manufacturing a light-emitting element are provided. A display device includes: a first electrode and a second electrode spaced apart from each other; and light-emitting elements between the first electrode and the second electrode, and each of the light-emitting elements includes a first area having a first diameter, a second area having a second diameter greater than the first diameter, a first insulating film surrounding the first area, and a second insulating film on the first insulating film, and the second insulating film surrounds the second area exposed by the first insulating film.

公开(公告)号：US20250126952A1

公开(公告)日：2025-04-17

申请号：US19002683

申请日：2024-12-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seung Geun LEE ,  Byung Ju LEE ,  Hoo Keun PARK ,  Chul Jong YOO ,  Dong Eon LEE

IPC: H10H29/14 ,  H10H20/831 ,  H10H20/857

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.

公开(公告)号：US20240313167A1

公开(公告)日：2024-09-19

申请号：US18504233

申请日：2023-11-08

Applicant: Samsung Display Co., LTD.

Inventor： Hyeong Su CHOI ,  Dae Hyun KIM ,  In Hyuk KIM ,  Dong Kyun SEO ,  Young Chul SIM ,  Chul Jong YOO ,  Choel Min JANG ,  Tae Ha JIN

IPC: H01L33/44 ,  H01L25/16

CPC classification number: H01L33/44 ,  H01L25/167

Abstract: A light emitting element may include a light emitting stack pattern including a first semiconductor layer, an active layer, and a second semiconductor layer. An insulating film may surround an outer circumferential surface of the light emitting stack pattern. The insulating film may include a first layer, a second layer surrounding the first layer, and a third layer surrounding the second layer. The first layer and the third layer may include a same material.

公开(公告)号：US20230006095A1

公开(公告)日：2023-01-05

申请号：US17757218

申请日：2020-12-07

Applicant: Samsung Display Co., LTD.

Inventor： Hoo Keun PARK ,  Moon Jung AN ,  Dong Eon LEE ,  Chul Jong YOO ,  Hye Lim KANG ,  Dong Gyun KIM

IPC: H01L33/20 ,  H01L25/16 ,  H01L33/62 ,  H01L23/00

Abstract: A light-emitting element including: a first semiconductor layer doped with a first type of dopant; a second semiconductor layer doped with a second type of dopant that is different from the first type of dopant; and an active layer between the first semiconductor layer and the second semiconductor layer, wherein a length of the light-emitting element measured in a first direction, which may be a direction in which the first semiconductor layer, the active layer, and the second semiconductor layer may be arranged, may be shorter than the width measured in a second direction that is perpendicular to the first direction.

公开(公告)号：US20220376144A1

公开(公告)日：2022-11-24

申请号：US17636218

申请日：2020-02-27

Applicant: Samsung Display Co., LTD.

Inventor： Moon Jung AN ,  Sung Chan JO ,  Hoo Keun PARK ,  Chul Jong YOO ,  Hye Lim KANG ,  Dong Gyun KIM ,  Dong Eon LEE ,  Hyun Min CHO

IPC: H01L33/44 ,  H01L25/16 ,  H01L23/00 ,  H01L33/42

Abstract: A light emitting element includes: a first semiconductor layer doped with a first polarity; a second semiconductor layer doped with a second polarity different from the first polarity; an active layer between the first semiconductor layer and the second semiconductor layer in a first direction; and an insulating film surrounding an outer surface of at least the active layer and extending in the first direction. A thickness of a first portion of the insulating film surrounding the active layer is in a range of 10% to 16% of a diameter of the active layer.

公开(公告)号：US20220367756A1

公开(公告)日：2022-11-17

申请号：US17638169

申请日：2020-02-27

Applicant: Samsung Display Co., LTD.

Inventor： Dong Eon LEE ,  Hoo Keun PARK ,  Moon Jung AN ,  Chul Jong YOO ,  Hye Lim KANG ,  Dong Gyun KIM

IPC: H01L33/38 ,  H01L33/00 ,  H01L33/44 ,  H01L33/62

Abstract: A light emitting element includes: a first semiconductor layer doped with a first polarity; a second semiconductor layer doped with a second polarity different from the first polarity; an active layer between the first semiconductor layer and the second semiconductor layer in a first direction; a first outer film around an outer surface of at least the active layer and extending in the first direction; and a second outer film around an outer surface of a portion of the first semiconductor layer on which the first outer film is not present.