公开(公告)号：US11569461B2

公开(公告)日：2023-01-31

申请号：US16194880

申请日：2018-11-19

Applicant: SAMSUNG DISPLAY CO., LTD. ,  LAPTO CO., LTD.

Inventor： Sung-soo Bae ,  Hwanhee Cho ,  Eu-gene Oh ,  Hyein Jeong ,  Gyuri Kim ,  Kap-jong Han ,  Namho Kim ,  Hyejeong Kim ,  Juwan Maeng ,  Yongpil Park ,  Jeunghun Yoon

IPC: H01L51/00 ,  C07F15/00 ,  C09K11/06 ,  H01L51/50

Abstract: An organic electroluminescence device includes a first electrode, an organic layer disposed on the first electrode, and a second electrode disposed on the organic layer. The organic layer includes an organometallic compound represented by Formula 1 below. where R1 to R4, X1 to X4, Ar1 to Ar3, M, Q, m1 to m4, and n are as defined in the specification.

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：US11952372B2

公开(公告)日：2024-04-09

申请号：US17296442

申请日：2019-08-30

Applicant: LAPTO CO., LTD.

Inventor： Moon-ki Seok ,  Byung-soo Go ,  Chul-soo Lim ,  Hyun-a Kim ,  Kyou-sic Kim ,  Yong-pil Park ,  Kap-jong Han ,  Eu-gene Oh

IPC: H01L29/08 ,  C07D413/14 ,  C07D417/14 ,  H10K85/60 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/844

CPC classification number: C07D413/14 ,  C07D417/14 ,  H10K85/633 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/171 ,  H10K50/844

Abstract: Provided is a tribenzazole amine derivative represented by Formula 1 that effectively absorbs high energy UV light from an external light source to minimize damage to organic materials present in an organic electroluminescent device, contributing to a substantial improvement in the lifetime of the organic electroluminescent device. Also provided is an organic electroluminescent device using the tribenzazole amine derivative. The organic electroluminescent device includes a first electrode, a second electrode, and an organic layer arranged between the first and second electrodes. The organic layer includes the tribenzazole amine derivative.

公开(公告)号：US11812659B2

公开(公告)日：2023-11-07

申请号：US17028922

申请日：2020-09-22

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

Inventor： Seulong Kim ,  Eu-gene Oh ,  Munsoo Kim ,  JuWan Maeng ,  Kap-jong Han ,  Jaeweon Hur ,  Hyewon Choi ,  Kyungsik Kim ,  Sung-Soo Bae

IPC: H10K85/60 ,  H10K85/30 ,  C09K11/06 ,  H10K50/11 ,  H10K50/15 ,  H10K50/165 ,  H10K101/10 ,  H10K102/00

CPC classification number: H10K85/6572 ,  C09K11/06 ,  H10K85/324 ,  H10K85/636 ,  H10K85/654 ,  H10K85/656 ,  C09K2211/1044 ,  H10K50/11 ,  H10K50/157 ,  H10K50/165 ,  H10K2101/10 ,  H10K2102/00

Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode opposite the first electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a polycyclic compound represented by Formula 1, thereby showing improved emission efficiency.