Oblon, McClelland, Maier & Neustadt, L.L.P.
Heterocyclic compound, material for organic electroluminescence device including the same, and organic electroluminescence device and electronic equipment employing the same
A heterocyclic compound wherein three five-membered rings are fused to one benzene ring and a saturated or unsaturated ring is fused to each five-membered ring. An organic electroluminescence device includes one or more organic thin film layers between an anode and a cathode. The one or more organic thin film layers include a light emitting layer. At least one layer of the one or more organic thin film layers includes the heterocyclic compound.
IDEMITSU KOSAN CO., LTD.
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Kazuki Yumiko Tasuku Tomoharu Masahiro Hirokatsu
Nishimura Mizuki Haketa Hayama Kawamura Ito