Patent ID: 7563898

Claim:
An iridium-based luminescent compound of Formula 1 below: wherein L 1 , L 2 , L 3 , R 1 , R 2 and R 3 , which may be identical to or different from each other, are each independently selected from the group consisting of hydrogen, and group of Formula 3 below: wherein D 4 , D 5 and D 6 are each independently selected from the group consisting of C 1˜18 alkyl, C 1˜18 alkoxy, substituted or unsubstituted C 1˜18 alkyl and allyl, and substituted or unsubstituted C 6˜18 fluorinated alkyl and allyl groups, wherein at least one of L 1 , L 2 , L 3 , R 1 , R 2 and R 3 is not hydrogen.