公开(公告)号：US20210226165A1

公开(公告)日：2021-07-22

申请号：US17031778

申请日：2020-09-24

Applicant: Samsung Display Co., Ltd.

Inventor： Yun Hyuk KO ,  Chang Hee LEE ,  Jin Oh KWAG ,  Keun Kyu SONG ,  Yun Ku JUNG ,  Sung-Chan JO ,  Jae Kook HA

IPC: H01L51/52 ,  H01L27/32

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 protective layer surrounding an outer surface of at least one of the first semiconductor layer, the second semiconductor layer, and the active layer, and an insulating layer surrounding an outer surface of the protective layer. A surface of at least one of the first semiconductor layer, the second semiconductor layer, and the active layer includes a first lattice point, wherein the protective layer includes a first atom and a second atom, and wherein the first atom of the protective layer is at the first lattice point.

公开(公告)号：US20210226103A1

公开(公告)日：2021-07-22

申请号：US16935095

申请日：2020-07-21

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Won PARK ,  Chang Hee LEE ,  Duk Ki KIM ,  Yun Ku JUNG ,  Yun Hyuk KO ,  Jae Kook HA

IPC: H01L33/56 ,  H01L33/00 ,  H01L33/36 ,  C08G61/10 ,  C08L65/02 ,  C08L47/00

Abstract: A light emitting element includes a first semiconductor layer; an active layer on the first semiconductor layer; a second semiconductor layer on the active layer; an insulating film surrounding an outer peripheral surface of each of the first semiconductor layer, the active layer and the second semiconductor layer; and a polymer film including a polymer chain and on at least a portion of a surface of the insulating film.

公开(公告)号：US20230215983A1

公开(公告)日：2023-07-06

申请号：US18093959

申请日：2023-01-06

Applicant: Samsung Display Co., LTD.

Inventor： Mi Hyang SHEEN ,  Yun Hyuk KO ,  Dong Uk KIM ,  Na Ri AHN ,  Chang Hee LEE ,  Do Hyung KIM ,  Ran KIM ,  In Pyo KIM ,  Ki Young YEON ,  Je Won YOO ,  Joo Hee LEE ,  Sang Ho JEON ,  Jung Woon JUNG ,  Chan Woo JOO ,  Jin Young CHOI ,  Na Mi HONG ,  Jong Il KIM ,  Jin Ho BYUN ,  Sang Ho OH ,  Jae Kwang LEE ,  Yong Seok CHOI ,  Jong Hoon HA

IPC: H01L33/38 ,  H01L25/075 ,  H01L33/20 ,  H01L33/00 ,  H01L33/62

CPC classification number: H01L33/382 ,  H01L25/0753 ,  H01L33/20 ,  H01L33/005 ,  H01L33/62 ,  H01L2933/0016

Abstract: A method for fabricating a light emitting element includes preparing a substrate, and forming a first semiconductor material layer, a light emitting material layer, a second semiconductor material layer and an electrode material layer on the substrate, forming semiconductor rods spaced apart from each other by etching the first semiconductor material layer, the light emitting material layer, the second semiconductor material layer and the electrode material layer in a direction perpendicular to an upper surface of the substrate, forming an insulating layer surrounding sides of the semiconductor rods through a sol-gel process by immersing the substrate, including the semiconductor rods, in a solution containing a precursor material, and forming light emitting elements by separating the semiconductor rods, including the insulating layer, from the substrate, and the light emitting elements have an external quantum efficiency of 20.2±0.6%.

公开(公告)号：US20220199863A1

公开(公告)日：2022-06-23

申请号：US17513302

申请日：2021-10-28

Applicant: Samsung Display Co., LTD.

Inventor： Se Hun KIM ,  Chang Hee LEE ,  Yun Hyuk KO ,  Jun Bo SIM ,  Jae Kook HA ,  Dong Uk KIM ,  In Pyo KIM ,  Je Won YOO ,  Hyun Min CHO ,  Chan Woo JOO ,  Na Mi HONG

IPC: H01L33/44 ,  H01L27/15 ,  H01L33/00 ,  H01L33/24

Abstract: A method for manufacturing a light emitting element includes forming a first semiconductor layer on a substrate, the first semiconductor layer including a semiconductor of a first type; forming an active layer on the first semiconductor layer; forming a second semiconductor layer on the active layer, the second semiconductor layer including a semiconductor of a second type different from the first type; performing an etching process of removing at least a portion of each of the first semiconductor layer, the active layer, and the second semiconductor layer in a direction toward the first semiconductor layer from the second semiconductor layer; and forming a first insulating layer to surround an outer surface of the active layer. The first insulating layer is formed by a wet process.

公开(公告)号：US20240266475A1

公开(公告)日：2024-08-08

申请号：US18636248

申请日：2024-04-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun Bo SIM ,  Chang Hee LEE ,  Yun Hyuk KO ,  Sang Ho JEON ,  Jae Kook HA

IPC: H01L33/44 ,  H01L25/075 ,  H01L25/16 ,  H01L33/00 ,  H01L33/62

CPC classification number: H01L33/44 ,  H01L25/0753 ,  H01L25/167 ,  H01L33/007 ,  H01L33/0075 ,  H01L33/0093 ,  H01L33/62 ,  H01L2933/0025

Abstract: A light emitting element includes: a light emitting stack pattern including a first semiconductor layer, an active layer, and a second semiconductor layer that are sequentially stacked along one direction; and an insulating film surrounding an outer surface of at least one of the first semiconductor layer, the active layer, and the second semiconductor layer. The insulating film including a zinc oxide (ZnO) thin film layer.

公开(公告)号：US20240234640A1

公开(公告)日：2024-07-11

申请号：US18606347

申请日：2024-03-15

Applicant: Samsung Display Co., LTD.

Inventor： Se Hun KIM ,  Chang Hee LEE ,  Yun Hyuk KO ,  Duk Ki KIM ,  Jun Woo PARK ,  Soo Ho LEE ,  Jae Kook HA ,  Yun Ku JUNG

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

CPC classification number: H01L33/44 ,  H01L25/167 ,  H01L33/0095 ,  H01L33/007 ,  H01L33/0093 ,  H01L33/20 ,  H01L2933/0025

Abstract: A light-emitting element includes a first semiconductor layer doped to have a first polarity, a second semiconductor layer doped to have a second polarity different from the first polarity, a light-emitting layer disposed between the first and second semiconductor layers, a shell layer formed on side surfaces of the first semiconductor layer, the light-emitting layer, and the second semiconductor layer, the shell layer including a divalent metal element, and an insulating film covering an outer surface of the shell layer and surrounding the side surface of the light-emitting layer.

公开(公告)号：US20220158039A1

公开(公告)日：2022-05-19

申请号：US17350949

申请日：2021-06-17

Applicant: Samsung Display Co., Ltd.

Inventor： Jun Bo SIM ,  Chang Hee LEE ,  Yun Hyuk KO ,  Sang Ho JEON ,  Jae Kook HA

IPC: H01L33/44 ,  H01L33/00 ,  H01L25/075 ,  H01L25/16 ,  H01L33/62

Abstract: A light emitting element includes: a light emitting stack pattern including a first semiconductor layer, an active layer, and a second semiconductor layer that are sequentially stacked along one direction; and an insulating film surrounding an outer surface of at least one of the first semiconductor layer, the active layer, and the second semiconductor layer. The insulating film including a zinc oxide (ZnO) thin film layer.