渡部大輝 | Semantic Scholar

Publications
Influence

Fluorene compound and an organic light emitting device and a display apparatus using the same

渡部大輝, 上野和則, 鈴木幸一, 洋平岩▲崎▼
Materials Science
28 May 2007

1,8-naphthyridine compound and an organic light emitting device using the same

Azo compounds, pigment dispersants containing the azo compound, a pigment composition, a pigment dispersion and the toner

M. Kawamura, 河村政志, +17 authors 広瀬雅史
Chemistry
10 August 2011

PROBLEM TO BE SOLVED: To provide an azo compound capable of improving the dispersibility of an azo pigment in a non-water-soluble solvent.SOLUTION: An azo compound has a structure in which a partial… Expand

自己分散顔料の製造方法、自己分散顔料、インク、インクカートリッジ、及びインクジェット記録方法

渡部大輝, Hiroteru Watabe, +8 authors 広瀬雅史
5 June 2015

【… Expand

Phosphorescent material, an organic electroluminescence device and an image display apparatus using the same

上野和則, 坪山明, 渡部大輝, 鎌谷淳
Materials Science
30 May 2007