| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an electron transport film superior in electron transportability and electron injectability. <P>SOLUTION: The electron transport film contains a compound, expressed by Formula (1): Q<SP>1</SP>-O-Ar<SP>1</SP>-Ar<SP>2</SP>-Ar<SP>3</SP>-O-Q<SP>2</SP>: (wherein Ar<SP>1</SP>, Ar<SP>2</SP>and Ar<SP>3</SP>independently indicate any one of bivalent group, expressed by Formulas A to H; R represents a 1-18C alkyl group; (a) represents an integer of 1-10; b and c independently refers to an integer of 1-8; d, e, f and g independently refer to an integer of 1-6; and h refers to an integer of 1-4, when a plurality of Rs exist, they may be either equal or different; either of Q<SP>1</SP>and Q<SP>2</SP>is an alkaline metal atom or a hydrogen atom). <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
