Dyden Corporation

Tomoko Fukushima

Mitsuharu Noto

Masataka Watanabe

Masanobu Kotsubo

Izumi Maki

An organic electron transport material, which includes a phosphine oxide derivative represented by the following Formula (1):  Rrepresents an atomic group which has one or more of either or both of aryl and heteroaryl groups and may have one or more phosphine oxide groups, Rto Reach independently represent an atom or an atomic group selected from the group consisting of a hydrogen atom, a halogen atom, a cyano group, a nitro group, a carboxyl group, a formyl group, a carbonyl group, an alkoxycarbonyl group, and a trifluoromethyl group.

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Kurume, Japan

Tomoko Fukushima