Jnc Corporation

Gunma University

Youhei Ono

Manabu Uchida

Akiko Kageyama

Hiroshi Yamada

Hideyuki Matsumoto

Keisuke Negishi

Hidefumi Oomori

Soichiro Kyushin

A compound represented by the following Formula (1) is useful as an electron transport material of an organic EL device, and an organic EL device comprising the compound in the electron transport layer is long in life, and low in drive voltage: wherein G is an n-valent link, n is an integer of 2 to 4; Rto Rare each independently hydrogen, a monovalent group, or a free valency bonded with G, and Rto Rare each independently hydrogen or a monovalent group, and one of Rto Ris a free valency bonded with G; and n groups of 2,3'-bipyridyl may be the same or different with each other.

Electron transport material and organic electroluminescent device using the same

The present invention provides a novel compound represented by general formula (I) below, a method of manufacturing the same and an organic electroluminescent device employing the same: where Rto Rare independent of one another and are each a hydrogen atom or a substituent represented by general formula (II) below, and at least one of Rto Ris a substituent represented by general formula (II):&#x2014;C&#x2261;C&#x2014;SiRRR&#x2003;&#x2003;(II)where R, Rand Rare independent of one another and are each an aliphatic hydrocarbon group having 1 to 10 carbon atoms or an aromatic hydrocarbon group.

Triphenylene compounds, method of manufacturing the same and organic electroluminescent devices employing the same

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Chiba, Japan

Youhei Ono