| 摘要 |
<p>A polymeric light emitting substance having a polystyrene reduced number-average molecular weight of from 10<3> to 10<8> which comprises in the main chain or side chain a metal complex structure showing light emission from the triplet excited state can form a light emitting layer by industrially simple application methods such as a spin coat method, inkjet method, printing method or the like.</p> |
