Patent ID: 7648780

Claim:
An electroluminescent device, comprising: a cathode; an anode opposing the cathode, the anode comprising a reflective material and being reflective at least toward the cathode; and a functional layer located between the anode and cathode, the functional layer comprising a chemical compound of Formula I: wherein R1-R6 are independently chosen from the group consisting of hydrogen, halo, nitrile (—CN), nitro (—NO 2 ), sulfonyl (—SO 2 R), sulfoxide (—SOR), sulfonamide (—SO 2 NR), sulfonate (—SO 3 R), trifluoromethyl (—CF 3 ), ester (—CO—OR), amide (—CO—NHR or —CO—NRR′), straight-chain or branched (substituted or unsubstituted) C 1 -C 12 alkoxy, straight-chain or branched (substituted or unsubstituted) C 1 -C 12 alkyl, aromatic or non-aromatic (substituted or unsubstituted) heterocyclic, substituted or unsubstituted aryl, mono- or di-(substituted or unsubstituted)arylamine, and (substituted or unsubstituted)alkyl-(substituted or unsubstituted)arylamine.