Tosoh Corporation

Ryohei Takahashi

Naoki Matsumoto

Takanori Miyazaki

To provide a novel amine compound which is especially suitable for a hole transport material for organic EL devices, and an organic EL device which employs such an amine compound and is excellent in the driving voltage, luminous efficiency and device lifetime An amine compound represented by the formula (1): (wherein X is a sulfur atom or an oxygen atom, each of Rto Rwhich are independent of one another, is a hydrogen atom, a deuterium atom or a phenyl group, and each of Arand Arwhich are independent of each other, is a Caromatic hydrocarbon group, a dibenzothienyl group or a dibenzofuranyl group, which, each independently, may have a substituent consisting of a methyl group, a methoxy group, a dibenzothienyl group, a dibenzofuranyl group or a 9-carbazolyl group.).

Growing community of inventors

Yamaguchi, Japan

Ryohei Takahashi