| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a novel compound showing an emission hue with a good purity and having an optical output with high efficiency, high luminance, and a long lifetime. <P>SOLUTION: The fused polycyclic compound is represented by formula [1] (wherein at least two of X<SB>1</SB>to X<SB>4</SB>each represent a group selected from a substituted or unsubstituted aryl group and a substituted or unsubstituted heterocyclic group, and X<SB>1</SB>to X<SB>4</SB>may be identical to or different from one another; and at least one of Y<SB>1</SB>and Y<SB>2</SB>represents a group selected from a substituted or unsubstituted aryl group and a substituted or unsubstituted heterocyclic group, and Y<SB>1</SB>and Y<SB>2</SB>may be identical to or different from each other). <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
