公开(公告)号：US20230232649A1

公开(公告)日：2023-07-20

申请号：US17979551

申请日：2022-11-02

Applicant: Samsung Display Co., Ltd.

Inventor： HYEONGPIL KIM ,  BEOMJOON KIM ,  ILHA SONG ,  DAEWOONG LEE ,  BORA LEE ,  ILLHUN CHO

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

CPC classification number: H01L51/504 ,  H01L51/5092 ,  H01L27/3246 ,  H01L51/5218 ,  H01L51/5072 ,  H01L51/5056

Abstract: A display device including a base layer including a first pixel area configured to emit a first light therefrom and a second pixel area configured to emit a second light therefrom, a first electrode on the base layer, a second electrode on the first electrode and facing the first electrode, first light emitting stacks between the first and second electrodes and in the first pixel area, a first charge generation layer between the first light emitting stacks, second light emitting stacks between the first and second electrodes and in the second pixel area, and a second charge generation layer between the second light emitting stacks. The first charge generation layer includes a first metal, the second charge generation layer includes a second metal different from the first metal, and the second metal has a work function equal to or greater than 1.7 eV and equal to or smaller than 3.2 eV.

公开(公告)号：US20250040427A1

公开(公告)日：2025-01-30

申请号：US18626185

申请日：2024-04-03

Applicant: Samsung Display Co., Ltd.

Inventor： MINJI KIM ,  BEOMJOON KIM ,  Chaeyeong KIM ,  BYEONGWOOK YOO ,  Jeong Min LEE ,  EUNJAE JEONG ,  SOHEE JO ,  HAN NA CHA ,  SANGHYUN HAN

IPC: H10K85/60 ,  C07C211/54 ,  C07C211/61 ,  C07D307/91 ,  C09K11/06 ,  H10K50/15

Abstract: A light-emitting element includes a first electrode, a second electrode on the first electrode, and at least one functional layer between the first electrode and the second electrode and containing an amine compound represented by Formula 1.

公开(公告)号：US20250017034A1

公开(公告)日：2025-01-09

申请号：US18662976

申请日：2024-05-13

Applicant: Samsung Display Co., Ltd.

Inventor： CHAEYEONG KIM ,  MINJI KIM ,  BEOMJOON KIM ,  BYEONGWOOK YOO ,  JEONG MIN LEE ,  EUNJAE JEONG ,  SOHEE JO ,  HAN NA CHA ,  SANGHYUN HAN

IPC: H10K50/12 ,  H10K50/155 ,  H10K85/30 ,  H10K85/40 ,  H10K85/60

Abstract: A light-emitting element may include a first electrode, a second electrode disposed on the first electrode, and at least one functional layer disposed between the first electrode and the second electrode and containing an amine compound represented by Formula 1.

公开(公告)号：US20250057039A1

公开(公告)日：2025-02-13

申请号：US18629854

申请日：2024-04-08

Applicant: Samsung Display Co., Ltd.

Inventor： DONGJUN KIM ,  BEOMJOON KIM ,  HANKYU PAK ,  HYUNBIN PARK ,  JINYOUNG YUN ,  HAN NA CHA ,  SANGHYUN HAN

IPC: H10K85/60 ,  C07F9/6521 ,  C09K11/06 ,  H10K50/16 ,  H10K85/30

Abstract: A light emitting element including a first electrode, a second electrode on the first electrode, and at least one functional layer is provided. The functional layer includes a compound having two phenylene groups connected to a cycloalkyl group, and also includes a phosphine oxide group and a triazine group. The compound may be between the first electrode and the second electrode.

公开(公告)号：US20240431134A1

公开(公告)日：2024-12-26

申请号：US18632518

申请日：2024-04-11

Applicant: Samsung Display Co., Ltd.

Inventor： DONGJUN KIM ,  BEOMJOON KIM ,  HANKYU PAK ,  HYUNBIN PARK ,  JINYOUNG YUN ,  HAN NA CHA ,  SANGHYUN HAN

IPC: H10K50/16 ,  H10K85/60

Abstract: Embodiments provide a nitrogen-containing compound and a light emitting element. The light emitting element includes a first electrode, a second electrode facing the first electrode, and at least one functional layer disposed between the first electrode and the second electrode, wherein the functional layer includes the nitrogen-containing compound. The nitrogen-containing compound is represented by Formula 1, which is explained in the specification:

公开(公告)号：US20240114774A1

公开(公告)日：2024-04-04

申请号：US18329033

申请日：2023-06-05

Applicant: Samsung Display Co., LTD.

Inventor： DONGJUN KIM ,  BEOMJOON KIM ,  Chaeyeong KIM ,  EUNJAE JEONG ,  SANGHYUN HAN

IPC: H10K85/60 ,  C07C211/61 ,  C09K11/06

CPC classification number: H10K85/633 ,  C07C211/61 ,  C09K11/06 ,  H10K50/15

Abstract: The present disclosure relates to a light emitting element and an amine compound for the light emitting element, and the light emitting element of an embodiment includes a first electrode, a second electrode on the first electrode, and at least one functional layer between the first electrode and the second electrode, wherein an amine compound represented by Formula 1 is included in the at least one functional layer, thereby improving emission efficiency and element life of the light emitting element.