POLYCYCLIC COMPOUNDS AND ORGANIC ELECTROLUMINESCENCE DEVICE EMPLOYING THE SAME
申请人:KATO Tomoki
公开号:US20100012931A1
公开(公告)日:2010-01-21
Provided are a polycyclic compound of a compound having such a structure that two benzene rings bond to a central benzene ring each other to form a fused ring and another fused ring bonds to a terminal thereof, and an organic electroluminescence device including one or more organic thin film layers containing a light emitting layer between a cathode and an anode, in which at least one of the organic thin film layers includes the polycyclic compound of the present invention. The organic electroluminescence device has high luminous efficiency, no defect in pixels, and long lifetime. In addition, provided is a polycyclic compound realizing the organic electroluminescence device.
ORGANIC ELECTROLUMINESCENCE DEVICE
申请人:Nishimura Kazuki
公开号:US20120138915A1
公开(公告)日:2012-06-07
An organic electroluminescence device includes an anode, a cathode, and an organic thin-film layer interposed between the anode and the cathode, in which the organic thin-film layer includes an emitting layer at least containing a first host, a second host and a luminous dopant, the first host is a compound having one or more carbazolyl groups and one or more nitrogen-containing heterocyclic groups in a molecule, and the second host is a compound represented by the following formula (1) or (2).