| abstract |
The invention discloses a composition comprising a polymer compound having a polystyrene reduced number-average molecular weight of 10<3>-10<8>, and a compound showing light-emission from triplet excited state, and said polymer compound comprising a repeating unit of the following formula (1); and a polymer complex compound having visible light-emission in the solid state, and including a repeating unit of the above formula (1), a repeating unit selected from the above formulas (12) and (13), and a metal complex structure showing light-emission from triplet excited state: wherein, Ring P and Ring Q represent an aromatic ring, Y represents -O-, -S-, etc.; Ar15 and Ar16 represent a trivalent aromatic hydrocarbon group or a trivalent heterocyclic group; R40 represents an alkyl group, etc.; X represents a single bond, etc.; Ar6, Ar7, Ar8, and Ar9 represent an arylene group, etc.; Ar10, Ar11, and Ar12 represent aryl group, etc.; and x and y each independently represent 0 or 1, and 0<=x+y<=1. |