申请人:De Cola Luisa
公开号:US20100252820A1
公开(公告)日:2010-10-07
Electroneutral metal complexes of the formula L Cu A, wherein L stands for an, especially bidentate, neutral ligand and A stands for an, especially bidentate, monoanionic ligand binding to Cu by at least one heteroatom selected from N, P, S; or wherein the ligands L and A with the above features are interconnected by at least one chemical bond to form one common tetradentate ligand; or protonated or alkylated forms or salts thereof show good light emitting efficiency in electroluminescent applications.