公开(公告)号：US11769787B2

公开(公告)日：2023-09-26

申请号：US17403828

申请日：2021-08-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Gyun Kim ,  Moon Jung An ,  Dong Eon Lee ,  Hye Lim Kang ,  Hoo Keun Park ,  Byung Ju Lee

IPC: H01L27/15 ,  H01L33/50 ,  H01L33/58

CPC classification number: H01L27/156 ,  H01L33/505 ,  H01L33/58

Abstract: A display device includes a substrate; a first electrode and a second electrode arranged to be spaced apart from each other on the substrate; a first insulating layer on the substrate; a light emitting element on the first insulating layer, located between the first electrode and the second electrode, and including a first end portion and a second end portion; a third electrode on the substrate and electrically connected to the first electrode and the first end portion; a fourth electrode on the substrate and electrically connected to the second electrode and the second end portion; a second insulating layer on the substrate and covering the light emitting element, the third electrode, and the fourth electrode; and a light diffusion layer on the second insulating layer and including a light diffusion particle.

公开(公告)号：US11094741B2

公开(公告)日：2021-08-17

申请号：US16738490

申请日：2020-01-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Gyun Kim ,  Moon Jung An ,  Dong Eon Lee ,  Hye Lim Kang ,  Hoo Keun Park ,  Byung Ju Lee

IPC: H01L27/15 ,  H01L33/50 ,  H01L33/58

Abstract: A display device includes a substrate; a first electrode and a second electrode arranged to be spaced apart from each other on the substrate; a first insulating layer on the substrate; a light emitting element on the first insulating layer, located between the first electrode and the second electrode, and including a first end portion and a second end portion; a third electrode on the substrate and electrically connected to the first electrode and the first end portion; a fourth electrode on the substrate and electrically connected to the second electrode and the second end portion; a second insulating layer on the substrate and covering the light emitting element, the third electrode, and the fourth electrode; and a light diffusion layer on the second insulating layer and including a light diffusion particle.

公开(公告)号：US12283605B2

公开(公告)日：2025-04-22

申请号：US17382864

申请日：2021-07-22

Applicant: Samsung Display Co., LTD.

Inventor： Moon Jung An ,  Hye Lim Kang ,  Min Young Kim ,  Dong Eon Lee

IPC: H10K59/70 ,  H01L27/15 ,  H01L33/00 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44

Abstract: A light-emitting element, a method of fabricating a light-emitting element, and a display device comprising a light-emitting element are provided. The light-emitting element comprises a first semiconductor layer doped with an n-type dopant, a second semiconductor layer doped with a p-type dopant, a light-emitting layer disposed between the first semiconductor layer and second semiconductor layer, an electrode layer disposed on the second semiconductor layer, an insulating structure disposed on the electrode layer and having a maximum diameter smaller than a diameter of the electrode layer and an insulating film that surrounds side surfaces of the first semiconductor layer, the light-emitting layer, and the second semiconductor layer.

公开(公告)号：US12243961B2

公开(公告)日：2025-03-04

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.