公开(公告)号：US11778844B2

公开(公告)日：2023-10-03

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: H01L27/32 ,  H01L27/15 ,  H01L33/08 ,  H01L33/14 ,  H01L33/26 ,  H01L33/50 ,  H01L33/36 ,  H10K50/12 ,  H10K50/15 ,  H10K50/16

CPC classification number: 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：US12167618B2

公开(公告)日：2024-12-10

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: H10K50/16 ,  H01L27/15 ,  H01L33/00 ,  H10K50/12 ,  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：US11980091B2

公开(公告)日：2024-05-07

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: H10K85/60 ,  C07D498/04 ,  C07D513/04 ,  C09K11/02 ,  C09K11/06 ,  H10K50/11 ,  H10K101/10

CPC classification number: H10K85/657 ,  C07D498/04 ,  C07D513/04 ,  C09K11/02 ,  C09K11/06 ,  H10K85/636 ,  H10K85/6572 ,  C09K2211/1007 ,  C09K2211/1018 ,  H10K50/11 ,  H10K2101/10

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：US11877512B2

公开(公告)日：2024-01-16

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: H10K85/60 ,  H10K85/30 ,  H10K50/12 ,  C09K11/06 ,  C07D519/00 ,  C07F5/02 ,  C07D498/04

CPC classification number: H10K85/656 ,  C07D498/04 ,  C07D519/00 ,  C07F5/027 ,  C09K11/06 ,  H10K85/324 ,  H10K85/636 ,  H10K85/654 ,  C09K2211/1033 ,  H10K50/12

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: