Patent ID: 8895692

Claim:
A fused ring compound represented by the following general formula (1), wherein R 11 and R 12 each independently represent an ethyl group, an n-propyl group, an iso-propyl group, an n-butyl group, an iso-butyl group, a tert-butyl group, a pentyl group, a hexyl group, a heptyl group, an octyl group, a nonyl group, a decyl group, a lauryl group, a cyclopropyl group, a cyclopentyl group, a cyclohexyl group, a cycloheptyl group, a cyclooctyl group, a cyclononyl group, or a cyclododecyl group; R 13 and R 14 each independently represent a monovalent group, and n and m each independently denote an integer of 0 to 2, provided that when a plurality of both R 13 and R 14 are present, such groups may be the same or different; and Y 11 and Y 12 are each independently a divalent group represented by the following general formula (2a),