公开(公告)号：US20240324272A1

公开(公告)日：2024-09-26

申请号：US18437551

申请日：2024-02-09

Applicant: Samsung Display Co., LTD.

Inventor： Yun Ku JUNG ,  Yunhyuk KO ,  Sehun KIM ,  Jonghoon KIM ,  Seung Uk NOH ,  Won-Jun PARK ,  Chul Soon PARK ,  Jongwoo SHIN ,  Sooho LEE ,  Jae Kook HA

IPC: H10K50/16 ,  H10K102/00

CPC classification number: H10K50/166 ,  H10K2102/351

Abstract: A light emitting device includes: a first electrode that is a reflective electrode; a first electron transport layer disposed on the first electrode; a second electron transport layer disposed on the first electron transport layer; an emission layer disposed on the second electron transport layer, and a second electrode positioned on the emission layer and that is a transflective electrode, wherein the first electron transport layer and the second electron transport layer include different metal oxides, and a thickness of the first electron transport layer is greater than a thickness of the second electron transport layer.

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：US20170125719A1

公开(公告)日：2017-05-04

申请号：US15169898

申请日：2016-06-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seung Uk NOH

IPC: H01L51/50 ,  H01L51/52 ,  H01L51/56 ,  H01L27/32

CPC classification number: H01L51/5088 ,  H01L27/3211 ,  H01L27/3246 ,  H01L51/0005 ,  H01L51/5275 ,  H01L51/56 ,  H01L2227/323

Abstract: A light-emitting display device comprises: a substrate including a plurality of pixel areas arranged in a first direction and a second direction intersecting the first direction; a first electrode on the substrate in each of the plurality of pixel areas; a plurality of pixels corresponding to the first electrode in each of the plurality of pixel areas; a pixel defining layer on the substrate having a pixel opening exposing the first electrode; a lens layer on the first electrode in the pixel opening, a thickness in a center of the lens layer being different from a thickness at an edge of the lens layer; a planarization layer on the lens layer in the pixel opening and having a flat surface facing away from the lens layer; a light emitting layer on the planarization layer; and a second electrode on the light emitting layer.