본 발명은 캐리어 수송능 및 발광능 등이 우수한 신규의 화합물 및 이를 하나 이상의 유기물층에 포함함으로써 낮은 구동 전압과, 높은 발광 효율, 및 향상된 수명 특성 등을 갖는 유기 전계 발광 소자에 관한 것이다.
This invention relates to an organic electroluminescent device having low driving voltage, high luminous efficiency, and improved lifespan characteristics by incorporating a novel compound with excellent carrier transport and luminescent properties into one or more organic layers.
COMPOSITION FOR ORGANIC OPTOELECTRIC DEVICE AND ORGANIC OPTOELECTRIC DEVICE AND DISPLAY DEVICE
申请人:SAMSUNG SDI CO., LTD.
公开号:US20170309831A1
公开(公告)日:2017-10-26
Disclosed are a composition for an organic optoelectric device including at least one of a first host compound represented by a combination of Chemical Formula 1 and Chemical Formula 2, and at least one of a second host compound represented by Chemical Formula 3, an organic optoelectric device including the same, and a display device. Details of Chemical Formulae 1 to 3 are the same as defined in the specification.
PLURALITY OF HOST MATERIALS, ORGANIC ELECTROLUMINESCENT COMPOUND, AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING THE SAME
申请人:ROHM AND HAAS ELECTRONIC MATERIALS KOREA LTD.
公开号:US20240090324A1
公开(公告)日:2024-03-14
The present disclosure relates to a plurality of host materials, an organic electroluminescent compound, and an organic electroluminescent device comprising the same. An organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifespan properties compared to a conventional organic electroluminescent device can be provided by including the specific combination of compounds according to the present disclosure as a plurality of host materials or by including the compound according to the present disclosure.
ORGANIC LIGHT EMITTING DEVICE
申请人:LG CHEM, LTD.
公开号:US20230200229A1
公开(公告)日:2023-06-22
Provided is an organic light-emitting device with improved driving voltage, efficiency, and lifetime, comprising: an anode; a cathode; a light emitting layer between the anode and the cathode; an electron blocking layer between the anode and the light-emitting layer; and a hole transport layer between the electron blocking layer and the anode, wherein the light-emitting layer includes a compound of Formula 1, a compound of Formula 2, and a compound of Formula 3:
where A is a benzene ring condensed with two adjacent pentagonal rings, B is a benzene ring condensed with two adjacent pentagonal rings, and the other substituents are as defined in the specification.