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：US20220190025A1

公开(公告)日：2022-06-16

申请号：US17401713

申请日：2021-08-13

Applicant: Samsung Display Co., LTD.

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

IPC: H01L27/15 ,  H01L33/00 ,  H01L33/14 ,  H01L33/24 ,  H01L33/32 ,  H01L33/36 ,  H01L33/44

Abstract: A light emitting diode includes a first end and a second end facing each other, a current blocking layer, a first semiconductor layer, an active layer, a second semiconductor layer, and an insulating film surrounding outer circumferential surfaces of the first semiconductor layer, the active layer, and the second semiconductor layer and exposing at least a portion of the current blocking layer and at least a portion of the first semiconductor layer at the second end. The current blocking layer, the first semiconductor layer, the active layer, and the second semiconductor layer are sequentially disposed in a direction from the second end to the first end.

公开(公告)号：US20230027490A1

公开(公告)日：2023-01-26

申请号：US17786260

申请日：2020-12-15

Applicant: Samsung Display Co., LTD.

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

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

Abstract: A display device includes a first electrode, a second electrode disposed spaced apart from the first electrode in a first direction, and an element part disposed between the first electrode and the second electrode. The element part includes light-emitting elements that have a shape extending in one direction and are arranged spaced apart from each other in a second direction perpendicular to the first direction; and a binder surrounding each of the light-emitting elements and fixing the light-emitting elements. The one direction in which the light-emitting elements extend is parallel to the first direction.

公开(公告)号：US20220077350A1

公开(公告)日：2022-03-10

申请号：US17307717

申请日：2021-05-04

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Won LEE ,  Je Won YOO ,  Chul Jong YOO ,  Hyun Min CHO

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/20

Abstract: A light emitting element and a display device including the same are provided. The light emitting element includes: a first semiconductor layer, a second semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer; a passivation layer surrounding an outer surface of at least one selected from the first semiconductor layer, the second semiconductor layer, and the active layer; and an insulation layer surrounding an outer surface of the passivation layer, wherein the passivation layer includes a two-dimensional (2D) material.

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：US20240339561A1

公开(公告)日：2024-10-10

申请号：US18604563

申请日：2024-03-14

Applicant: Samsung Display Co., LTD.

Inventor： Ji Song CHAE ,  Dae Hyun KIM ,  Sang Ho PARK ,  Jae Woong YOO ,  Chul Jong YOO ,  Sang Hoon LEE ,  Joo Hee LEE ,  Jin Hyuk JANG ,  Sang Ho JEON ,  Seon Hong CHOI

IPC: H01L33/02 ,  H01L25/16 ,  H01L33/00 ,  H01L33/44

CPC classification number: H01L33/025 ,  H01L25/167 ,  H01L33/0066 ,  H01L33/44 ,  H01L2933/0025

Abstract: A light emitting element may include a semiconductor stack structure including an N-type semiconductor layer, a P-type semiconductor layer, and an active layer disposed between the N-type semiconductor layer and the P-type semiconductor layer, and an insulating layer disposed on a side portion of the semiconductor stack structure. The semiconductor stack structure may include a fluorinated area disposed adjacent to the insulating layer.

公开(公告)号：US20220336711A1

公开(公告)日：2022-10-20

申请号：US17694889

申请日：2022-03-15

Applicant: Samsung Display Co., LTD. ,  POSTECH Research and Business Development Foundation

Inventor： Se Young KIM ,  Jong Lam LEE ,  Won Seok CHO ,  Dong Uk KIM ,  Jae Yong PARK ,  Chul Jong YOO

IPC: H01L33/38 ,  H01L33/42

Abstract: A light-emitting element and a display device including the same are provided. The light-emitting element comprises a first semiconductor layer doped with an n-type dopant, a second semiconductor layer disposed below the first semiconductor layer and doped with a p-type dopant, a light-emitting layer disposed between the first semiconductor layer and the second semiconductor layer, a first intermediate layer disposed on the first semiconductor layer, and including a metal, and an electrode layer disposed on the first intermediate layer. Light from the light-emitting layer transmits through the first semiconductor layer, the first intermediate layer, and the electrode layer at a transmittance equal to or greater than about 70%.

公开(公告)号：US20220173158A1

公开(公告)日：2022-06-02

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 ,  H01L33/62 ,  H01L33/38

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.