An organic EL device includes a luminescence layer containing a metal coordination compound represented by the following formula (1): LmML′n, wherein M denotes Ir, Pt, Rh or Pd; L denotes a bidentate ligand; L′ denotes a bidentate ligand different from L; m is an integer of 1, 2 or 3; and n is an...http://www.google.co.uk/patents/US7205054?utm_source=gb-gplus-sharePatent US7205054 - Metal coordination compound, luminescence device and display apparatus
