ORGANIC ELECTROLUMINESCENCE DEVICE AND CONDENSED CYCLIC COMPOUND FOR ORGANIC ELECTROLUMINESCENCE DEVICE
申请人:Samsung Display Co., Ltd.
公开号:US20200052224A1
公开(公告)日:2020-02-13
Provided is an organic electroluminescence device including a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region, in which the hole transport region includes a condensed cyclic compound, thereby securing high emission efficiency.
AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME
申请人:YABUNOUCHI Nobuhiro
公开号:US20070111028A1
公开(公告)日:2007-05-17
A novel aromatic amine derivative having an asymmetric and specific structure, and in an organic electroluminescence device which comprises at least one organic thin film layer comprising a light emitting layer sandwiched between a pair of electrode consisting of an anode and a cathode, at least one of the organic thin film layer comprises the aromatic amine derivative singly or as its mixture component, the organic electroluminescence device having an improved success ratio on its production due to difficult crystallization of the amine derivative and exhibiting a long lifetime, and also to the aromatic amine derivative for realizing the organic EL device is provided.
COMPOUND FOR ORGANIC ELECTRIC ELEMENT, ORGANIC ELECTRIC ELEMENT USING SAME, AND ELECTRONIC DEVICE COMPRISING SAME ORGANIC ELECTRONIC ELEMENT
申请人:DUK SAN NEOLUX CO., LTD.
公开号:US20190135730A1
公开(公告)日:2019-05-09
Provided are an organic electric element and an electronic device comprising the same. According to the present invention, the organic electric element uses a mixture of compounds as a phosphorescent host material which can achieve a high light-emitting efficiency and a low driving voltage and can greatly improve a lifespan in an organic electric element.