公开(公告)号：US20250063884A1

公开(公告)日：2025-02-20

申请号：US18939409

申请日：2024-11-06

Applicant: Samsung Display Co., LTD.

Inventor： SUNGWOOK KIM ,  Kyungsik KIM ,  SeulOng KIM ,  TSUYOSHI NAIJO ,  SUNG-SOO BAE ,  Dongchan LEE ,  HYEIN JEONG ,  Hyewon CHOI ,  Seung-Jin CHU ,  Jaeweon HUR

IPC: H10K50/12 ,  H10K50/15 ,  H10K50/16

Abstract: A light emitting element includes: a first electrode, a second electrode facing the first electrode, a first light emitting layer between the first electrode and the second electrode to emit a first light, a second light emitting layer between the first light emitting layer and the second electrode to emit a second light, and an intermediate layer including a host material between the first light emitting layer and the second light emitting layer and, wherein the intermediate layer has a thickness of from about 90 nm to 170 nm.

公开(公告)号：US20230413592A1

公开(公告)日：2023-12-21

申请号：US18449368

申请日：2023-08-14

Applicant: Samsung Display Co., LTD.

Inventor： SUNGWOOK KIM ,  Kyungsik KIM ,  SeulOng KIM ,  TSUYOSHI NAIJO ,  SUNG-SOO BAE ,  Dongchan LEE ,  HYEIN JEONG ,  Hyewon CHOI ,  Seung-Jin CHU ,  Jaeweon HUR

IPC: H10K50/12 ,  H10K50/15 ,  H10K50/16

CPC classification number: H10K50/12 ,  H10K50/16 ,  H10K50/15

Abstract: A light emitting element includes: a first electrode, a second electrode facing the first electrode, a first light emitting layer between the first electrode and the second electrode to emit a first light, a second light emitting layer between the first light emitting layer and the second electrode to emit a second light, and an intermediate layer including a host material between the first light emitting layer and the second light emitting layer and, wherein the intermediate layer has a thickness of from about 90 nm to 170 nm.

公开(公告)号：US20210036255A1

公开(公告)日：2021-02-04

申请号：US16901672

申请日：2020-06-15

Applicant: Samsung Display Co., Ltd.

Inventor： Sungwook KIM ,  Kyungsik KIM ,  SeulOng KIM ,  Tsuyoshi NAIJO ,  Sung-Soo BAE ,  Dongchan LEE ,  Hyein JEONG ,  Hyewon CHOI ,  Seung-Jin CHU ,  Jaeweon HUR

IPC: H01L51/50

Abstract: A light emitting element includes: a first electrode, a second electrode facing the first electrode, a first light emitting layer between the first electrode and the second electrode to emit a first light, a second light emitting layer between the first light emitting layer and the second electrode to emit a second light, and an intermediate layer including a host material between the first light emitting layer and the second light emitting layer and, wherein the intermediate layer has a thickness of from about 90 nm to 170 nm.

公开(公告)号：US20210098711A1

公开(公告)日：2021-04-01

申请号：US17023189

申请日：2020-09-16

Applicant: Samsung Display Co., Ltd. ,  Lapto Co., Ltd.

Inventor： Dongchan LEE ,  Eu-gene OH ,  SeulOng KIM ,  Yunjee PARK ,  Munsoo KIM ,  JuWan MAENG ,  Kap-jong HAN

IPC: H01L51/00 ,  C09K11/02 ,  C09K11/06 ,  C07D498/04 ,  C07D513/04

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, and the emission layer includes a compound represented by Formula 1 below, and thus the organic electroluminescence device may exhibit high luminous efficiency characteristics and improved service life characteristics.

公开(公告)号：US20210098708A1

公开(公告)日：2021-04-01

申请号：US17028938

申请日：2020-09-22

Applicant: Samsung Display Co., Ltd. ,  Lapto Co., Ltd.

Inventor： SeulOng KIM ,  Eu Gene OH ,  Hyein JEONG ,  Seung-Jin CHU ,  Munsoo KIM ,  Juwan MAENG ,  Kap Jong HAN

IPC: H01L51/00

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a compound represented by Formula 1, thereby showing excellent emission efficiency properties and long-life characteristics:

公开(公告)号：US20200251663A1

公开(公告)日：2020-08-06

申请号：US16738886

申请日：2020-01-09

Applicant: Samsung Display Co., Ltd.

Inventor： Hyewon CHOI ,  Sungwook KIM ,  SeulOng KIM ,  Tsuyoshi NAIJO ,  Hyein JEONG ,  JungMin KANG

IPC: H01L51/00 ,  H01L51/50

Abstract: Provided is an organic electroluminescence device including an emission layer between a first electrode and a second electrode, wherein the emission layer includes a first host represented by Formula 1, a second host which is different from the first host, a first dopant which is a thermally activated delayed fluorescence material having an electron donor and an electron acceptor, and a second dopant represented by Formula 2.