Patent ID: 8273468

Claim:
An organic electronic device comprising a first electrical contact, a second electrical contact and a photoactive layer therebetween, the photoactive layer comprising a green luminescent material having Formula II, or a mixture of compounds having Formula I and Formula II wherein: R 1 and R 2 are the same or different and are selected from the group consisting of hydrogen, alkoxy, tertiary alkyl, and cycloalkyl, R 3 and R 4 are the same or different and are selected from the group consisting of fluorine, aryl, and alkyl, wherein: R 1 and R 2 are the same or different and are selected from the group consisting of alkoxy, tertiary alkyl, and cycloalkyl, R 3 and R 4 are the same or different and are selected from the group consisting of fluorine, aryl, and alkyl.