Patent ID: 7976958

Claim:
An electroluminescent device in which a light-emitting layer is disposed between a pair of opposing electrodes and a voltage is applied between the electrodes to emit light, wherein the light-emitting layer comprises: a metal coordination compound represented by the following general formula: wherein Y forms a 5- or 6-membered ring group, provided that when Y forms a 5-membered ring group, Y is —O—CF 2 —O—, and when Y forms a 6-membered ring group, Y is —O—CF 2 —O—CF 2 —, —O—CF 2 —CF 2 —O—, or —CF 2 —O—CF 2 —O—; n is an integer of 2 or 3 and m is an integer of 0 or 1 provided that n+m=3; and R is a hydrogen atom or methyl group, and a compound represented by the following structural formula: