Idemitsu Kosan Company, Limited

Masahiro Kawamura

Hitoshi Kuma

Yoshiaki Takahashi

Hiroyuki Saito

Masakazu Funahashi

Tomoki Kato

Hirokatsu Ito

Yuichiro Kawamura

Ryota Takahashi

Tetsuya Masuda

Annemarie Wolleb

Yuichi Nishimae

Compounds of formulae (2-7) or (2-9) are provided: Also provided are organic electroluminescence (EL) devices containing the compounds having a high emission efficiency when operated at low voltage and a long lifetime and electronic devices including such organic EL devices.

Organic electroluminescent element and electronic device

The compound represented by formula (1): wherein A, B, R, and Rare as defined in the description,provides organic electroluminescence (EL) devices having a high emission efficiency when operated at low voltage and a long lifetime and electronic devices including such organic EL devices.

Growing community of inventors

Basel, Switzerland

Masahiro Kawamura