公开(公告)号：US20250072175A1

公开(公告)日：2025-02-27

申请号：US18646240

申请日：2024-04-25

Applicant: Samsung Display Co., LTD.

Inventor： Ji Wook MOON ,  Jong Moo HUH ,  Min Woo KIM ,  Dong Jun LEE ,  Ju Yon LEE

IPC: H01L33/50 ,  H01L25/075 ,  H01L33/10 ,  H01L33/44

Abstract: A display device according to one or more embodiments includes a first substrate including emission areas, and a non-emission area between the emission areas, light-emitting elements above the first substrate and respectively in the emission areas, a second substrate above the first substrate, and defining grooves corresponding to the emission areas on a surface facing the first substrate, light conversion layers in the grooves above the light-emitting elements, and reflective layers on sidewalls of the grooves, and surrounding the light conversion layers in plan view.

公开(公告)号：US20230002313A1

公开(公告)日：2023-01-05

申请号：US17836214

申请日：2022-06-09

Applicant: Samsung Display Co., LTD.

Inventor： Sang Hee YU ,  Hoi-Lim KIM ,  Jae Hong PARK ,  Gyu Bong KIM ,  Seung Uk NOH ,  Ju Yon LEE

IPC: C07C309/73 ,  C07C309/65 ,  C09K11/08 ,  C09K11/58 ,  C09K11/62 ,  C09K11/64 ,  C09K11/66

Abstract: A light emitting element according to an embodiment includes a first electrode, a second electrode overlapping the first electrode, an emission layer disposed between the first electrode and the second electrode, and an electron transport region disposed between the emission layer and the second electrode, wherein the electron transport region includes a thermal acid generator (TAG). A method of manufacturing a light emitting element is also provided.

公开(公告)号：US20240395989A1

公开(公告)日：2024-11-28

申请号：US18591204

申请日：2024-02-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ji Wook MOON ,  Jong Moo HUH ,  Ju Yon LEE ,  Min Woo KIM ,  Dong Jun LEE

IPC: H01L33/60 ,  G09G3/20 ,  H01L25/16 ,  H01L33/62

Abstract: A display device includes a substrate. A pixel electrode is disposed on the substrate. The pixel electrode has one or more grooves defined therein. Light emitting elements are respectively disposed in the one or more grooves.

公开(公告)号：US20240429210A1

公开(公告)日：2024-12-26

申请号：US18658562

申请日：2024-05-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ji Wook MOON ,  Ju Yon LEE ,  Jong Moo HUH ,  Min Woo KIM

IPC: H01L25/075 ,  H01L33/38 ,  H01L33/40 ,  H01L33/50

Abstract: A display device includes a substrate, a plurality of pixel electrodes disposed on the substrate and spaced apart from each other at a first interval and a plurality of light emitting elements respectively disposed on the plurality of pixel electrodes. Each of the pixel electrodes has a rectangular shape having a long side and a short side, and a width of each of the light emitting elements is larger than a width of the short side and smaller than the first interval between the pixel electrodes.

公开(公告)号：US20240065095A1

公开(公告)日：2024-02-22

申请号：US18119986

申请日：2023-03-10

Applicant: Samsung Display Co., LTD.

Inventor： Sang Hee YU ,  Gyu Bong KIM ,  Hoi Lim KIM ,  Se Hun KIM ,  Ju Yon LEE

IPC: H10K85/60

CPC classification number: H10K85/60 ,  H10K50/16

Abstract: Embodiments provide a composition for an electron transporting layer and a method for manufacturing a display device including the same. The composition includes inorganic particles, peroxide, a hydrocarbon compound, and a solvent. A method for manufacturing a display device includes forming a first electrode on a substrate, forming a light emitting layer on the first electrode, forming an electron transporting layer on the light emitting layer, and forming a second electrode on the electron transporting layer, wherein the electron transporting layer is formed of a composition for an electron transporting layer including inorganic particles, peroxide, a hydrocarbon compound, and a solvent.