Light-emitting device

摘要

A light-emitting device such as an organic electroluminescent device is disclosed wherein a platinum complex represented by the following general formula: (wherein, rings A and B each independently represent an aromatic ring optionally having substituent (s) or an aromatic heterocyclic ring optionally having substituent (s); X represents an oxygen atom or a sulfur atom; R¹, R², R³and R⁴ each independently represent a hydrogen atom or a substituent; and more, R¹ and R², R² and R³, and R³and R⁴ may respectively combine together to form a fused ring.) is used as a light-emitting layer material, a charge transporting material or the like.