Patent ID: 7473793

Claim:
A transition metal complex represented by the following formula [1]: [LMX p Z 1 n ] [1] wherein L represents a compound represented by the formula [2]: wherein ring A and ring B each independently represent an aromatic ring which may have a substituent, Q 1 , Q 2 , Q 3 , and Q 4 each independently represent an aryl group which may have a substituent or an alicyclic group which may have a substituent, and Y 1 represents a spacer; M represents a transition metal; X represents a halogen atom or an anion; Z 1 represents a compound represented by the formula [3]: wherein ring C and ring D each independently represent a phenyl group which may have a substituent or an alicyclic group which may have a substituent, and R 21 , R 22 , R 23 , and R 24 each independently represent a hydrogen atom or an alkyl group; p represents 1 or 2; and n is a natural number.