Green luminescent materials
AssigneeE. I. Du Pont de Nemours and Company
InventorsNorman Herron, Mark A. Guidry, Vsevolod Rostovtsev, Jeffrey A. Merlo, Kalindi Dogra, Victoria J. North
Life of this patent
Estimating the term…
Abstract
There is provided a green luminescent material having Formula I or Formula II R1 and R2 can be the same or different and can be hydrogen, alkoxy, tertiary alkyl, or cycloalkyl. R3 and R4 are the same or different and can be fluorine, aryl, or alkyl. There is also provided an organic electronic device containing the green luminescent material.
Claims13
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:
- R1 and R2 are the same or different and are selected from the group consisting of hydrogen, alkoxy, tertiary alkyl, and cycloalkyl,
- R3 and R4 are the same or different and are selected from the group consisting of fluorine, aryl, and alkyl,
- wherein:
- R1 and R2 are the same or different and are selected from the group consisting of alkoxy, tertiary alkyl, and cycloalkyl,
- R3 and R4 are the same or different and are selected from the group consisting of fluorine, aryl, and alkyl.
Dependencies are inferred from the claim text.