公开(公告)号：US20230018385A1

公开(公告)日：2023-01-19

申请号：US17675052

申请日：2022-02-18

Applicant: Samsung Display Co., LTD.

Inventor： Hyung Rae CHA ,  Dong Uk KIM ,  Dong Kyun SEO ,  Young Chul SIM

IPC: H01L33/32 ,  H01L33/38

Abstract: A light-emitting element and a display device including the same are provided. The light-emitting element comprising: a light-emitting element core including a first semiconductor layer, a second semiconductor layer disposed on the first semiconductor layer, and a light-emitting layer disposed between the first semiconductor layer and the second semiconductor layer, a nitride insulating film surrounding a side face of the light-emitting element core, a first element insulating film surrounding an outer side face of the nitride insulating film, and a second element insulating film surrounding an outer side face of the first element insulating film, wherein a thickness of the nitride insulating film is smaller than each of a thickness of the first element insulating film and a thickness of the second element insulating film.

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：US20230215986A1

公开(公告)日：2023-07-06

申请号：US17882971

申请日：2022-08-08

Applicant: Samsung Display Co., LTD.

Inventor： Hyung Rae CHA ,  Dae Hyun KIM ,  Dong Uk KIM ,  Dong Kyun SEO ,  Young Chul SIM

IPC: H01L33/44 ,  H01L25/16

CPC classification number: H01L33/44 ,  H01L25/167 ,  H01L24/25

Abstract: A light-emitting element includes a core comprising a first semiconductor layer, a second semiconductor layer disposed on the first semiconductor layer, and an emissive layer disposed between the first semiconductor layer and the second semiconductor layer, an interlayer dielectric film surrounding a side surface of the core, a first element insulating film surrounding an outer surface of the interlayer dielectric film, and a second element insulating film surrounding an outer surface of the first element insulating film. The interlayer dielectric film includes an oxide insulating material having a dielectric constant of about 10 or more, and the interlayer dielectric film has a thickness of less than or equal to about 5 nm.

公开(公告)号：US20250048799A1

公开(公告)日：2025-02-06

申请号：US18440508

申请日：2024-02-13

Applicant: Samsung Display Co., LTD.

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

IPC: H01L33/44 ,  H01L25/16

Abstract: A light emitting element that includes a first semiconductor layer; a second semiconductor layer disposed on the first semiconductor layer; an active layer disposed between the first semiconductor layer and the second semiconductor layer; a first insulating film at least partially surrounding the first semiconductor layer, the second semiconductor layer, and the active layer; a second insulating film surrounding the first insulating film; and a third insulating film surrounding the second insulating film, wherein a bond dissociation energy of the second insulating film may be less than each of a bond dissociation energy of the first insulating film and a bond dissociation energy of the third insulating film.

公开(公告)号：US20240421256A1

公开(公告)日：2024-12-19

申请号：US18818017

申请日：2024-08-28

Applicant: Samsung Display Co., LTD.

Inventor： Young Chul SIM ,  Hyung Rae CHA ,  Dong Uk KIM ,  Sung Ae JANG ,  Ji Hyun HAM

IPC: H01L33/32 ,  H01L27/15 ,  H01L33/00 ,  H01L33/38 ,  H01L33/42

Abstract: A light emitting element includes a first semiconductor layer including a first type of semiconductor, the first semiconductor layer including a 1-1-th semiconductor layer and a 1-2-th semiconductor layer, which are arranged in a length direction of the light emitting element; a second semiconductor layer including a second type of semiconductor different from the first type; an active layer disposed between the 1-2-th semiconductor layer and the second semiconductor layer; and an intermediate layer disposed between the 1-1-th semiconductor layer and the 1-2-th semiconductor layer and having a porous structure.

公开(公告)号：US20230066350A1

公开(公告)日：2023-03-02

申请号：US17662205

申请日：2022-05-05

Applicant: Samsung Display Co., Ltd.

Inventor： Young Chul SIM ,  Jin Wan KIM ,  Dong Uk KIM ,  Dong Kyun SEO ,  Byung Ju LEE ,  Seung Geun LEE ,  Hyung Rae CHA

IPC: H01L33/30 ,  H01L33/18

Abstract: A light emitting element may include: a light emitting element core including a first semiconductor layer, a second semiconductor layer, and a light emitting layer between the first semiconductor layer and the second semiconductor layer; and a single crystal insulating layer around a side surface of the light emitting element core.

公开(公告)号：US20240304760A1

公开(公告)日：2024-09-12

申请号：US18490907

申请日：2023-10-20

Applicant: Samsung Display Co., LTD.

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

IPC: H01L33/38 ,  H01L25/075 ,  H01L33/24 ,  H01L33/62

CPC classification number: H01L33/382 ,  H01L25/0753 ,  H01L33/24 ,  H01L33/62

Abstract: A display device includes a light emitting element disposed on a substrate and including a first end portion and a second end portion. The first electrode is electrically connected to the first end portion of the light emitting element. The second electrode is electrically connected to the second end portion of the light emitting element. A first semiconductor layer, a light emitting layer, a second semiconductor layer, and an electrode layer of the light emitting element are sequentially disposed along a longitudinal direction from the second end portion to the first end portion. An insulating film of the light emitting element covers side surfaces of the first semiconductor layer, the light emitting layer, the second semiconductor layer, and the electrode layer, and extends in parallel to the longitudinal direction. A shielding layer is disposed inside the insulating film.

公开(公告)号：US20220140191A1

公开(公告)日：2022-05-05

申请号：US17365461

申请日：2021-07-01

Applicant: Samsung Display Co., LTD.

Inventor： Young Chul SIM ,  Hyung Rae CHA ,  Dong Uk KIM ,  Sung Ae JANG ,  Ji Hyun HAM

IPC: H01L33/32 ,  H01L27/15 ,  H01L33/00 ,  H01L33/42 ,  H01L33/38

Abstract: A light emitting element includes a first semiconductor layer including a first type of semiconductor, the first semiconductor layer including a 1-1-th semiconductor layer and a 1-2-th semiconductor layer, which are arranged in a length direction of the light emitting element; a second semiconductor layer including a second type of semiconductor different from the first type; an active layer disposed between the 1-2-th semiconductor layer and the second semiconductor layer; and an intermediate layer disposed between the 1-1-th semiconductor layer and the 1-2-th semiconductor layer and having a porous structure.

公开(公告)号：US20240413128A1

公开(公告)日：2024-12-12

申请号：US18397467

申请日：2023-12-27

Applicant: Samsung Display Co., LTD.

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

IPC: H01L25/075 ,  H01L33/04 ,  H01L33/16

Abstract: A display device includes a first electrode and a second electrode which are spaced apart from each other on a substrate. A light emitting element is disposed between the first electrode and the second electrode. A light emitting element core of the light emitting element includes a first semiconductor layer, a second semiconductor layer spaced apart from the first semiconductor layer, and a light emitting layer disposed between the first semiconductor layer and the second semiconductor layer. A first element insulating layer surrounds a side surface of the light emitting element core. The first element insulating layer is an oxide insulating layer having a single crystalline structure.

公开(公告)号：US20240266384A1

公开(公告)日：2024-08-08

申请号：US18403327

申请日：2024-01-03

Applicant: Samsung Display Co., LTD.

Inventor： Young Chul SIM ,  Woo Lim JEONG

IPC: H01L27/15

CPC classification number: H01L27/156

Abstract: A display device includes a light emitting element layer including a first light emitting element on a first pixel electrode of the first substrate, a first dummy element layer spaced apart from the first light emitting element, the first dummy element layer and the first light emitting element including a same material, a second light emitting element on the first dummy element layer and on a second pixel electrode of the first substrate, a first metal pattern on the first pixel electrode and electrically connected to the first pixel electrode and the first light emitting element, a second metal pattern on the second pixel electrode and electrically connected to the second pixel electrode and the second light emitting element, and a common electrode on the first light emitting element and the second light emitting element. The second metal pattern is in a through hole penetrating the first dummy element layer.