Oblon, McClelland, Maier & Neustadt, L.L.P.
Specifically substituted ladder type compounds for organic light emitting devices
Specifically substituted ladder type compounds of formula (I) wherein A is formula (II) a material for an organic electroluminescence device comprising at least one compound of formula (I), and an organic electroluminescence device which comprises one or more organic thin film layers including an emitting layer between a cathode and an anode, wherein at least one layer of the organic thin film layers comprises at least one compound of formula (I).
IDEMITSU KOSAN CO., LTD.
H C H H H H H H C H H
H01L C09K H01L H01L H01L H01L H01L H01L C07D H01L H05B
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Kiyoshi Yumiko Masahiro Kei
Ikeda Mizuki Kawamura Yoshida