| 摘要 |
A composition comprising: a light emitting material; and a polymer compound having a constitutional sequence represented by the following formula (1) as a main chain: -[-(Y)n-Z-]m-(1) in the formula, Y represents a divalent group, in which two hydrogen atoms are removed from a structure represented by the following formula (Y-1) or (Y-2), Z represents a divalent group, in which two hydrogen atoms are removed from a structure represented by the following formula (Z-1), (Z-2), (Z-3), (Z-4), (Z-5), (Z-6), (Z-7), or (Z-8), m represents an integer of 4 to 10,000, and n represents an integer of 1 to 3. |
