公开(公告)号：US20250022985A1

公开(公告)日：2025-01-16

申请号：US18440136

申请日：2024-02-13

Applicant: Samsung Display Co., LTD.

Inventor： Jin Seok PARK ,  Moon Jung AN ,  Hoo Keun PARK

IPC: H01L33/38 ,  H01L25/16 ,  H01L33/40 ,  H01L33/62

Abstract: The disclosure provides a light emitting element array, a display device, and a method of manufacturing the display device. A light emitting element array includes a base substrate, each of a plurality of light emitting elements including a light emitting element rod including a third semiconductor layer, a second semiconductor layer, a light emitting layer, and a first semiconductor layer sequentially stacked on the base substrate and an insulating layer surrounding the light emitting element rod and a connection electrode disposed on the first semiconductor layer of each of the plurality of light emitting elements, wherein a diameter of the connection electrode is greater than a diameter of the light emitting element, and the connection electrode surrounds a side surface of the first semiconductor layer and a side surface of the light emitting layer.

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.

公开(公告)号：US20220238756A1

公开(公告)日：2022-07-28

申请号：US17476927

申请日：2021-09-16

Applicant: Samsung Display Co., LTD.

Inventor： Hye Lim KANG ,  Moon Jung AN ,  Je Won YOO ,  Dong Eon LEE

IPC: H01L33/10 ,  H01L27/15 ,  H01L33/38

Abstract: A light-emitting element includes a light-emitting element core extending in a direction and including a first semiconductor layer, a second semiconductor layer disposed on the first semiconductor layer, and a device active layer disposed between the first semiconductor layer and the second semiconductor layer, a device insulating film surrounding a lateral surface of the light-emitting element core, and a reflective film disposed on an outer lateral surface of the device insulating film and surrounding at least a lateral surface of the device active layer.