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US 2008/0166595 A1Published application
Di-substituted pyrenes for luminescent applications
AssigneeE. I. Du Pont de Nemours and Company
InventorVsevolod Rostovtsev
Life of this patent
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Abstract
This invention relates to electroluminescent 4,9-di-substituted pyrenes that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a pyrene composition.
Claims14
A composition of Formula I:
- wherein each R is independently selected from the group consisting of hydrogen, alkyl, fluoroalkyl, aryl, heteroaryl, diarylamino, dialkylamino, aryl(alkyl)amino, arylthio, alkylthio, arylseleno, alkylseleno, aryloxy, alkoxy, dialkylphosphino, diarylphosphino, dialkylphosphoryl, diarylphosphoryl, and thiophosphoryl;
- with the proviso that at least one of R1, R3, R4, R6, R7, R9, R10, and R12 is selected from the group consisting of a fluoro group and a fluoroalkyl group.
An organic electronic device comprising:
- a. a first electrical contact layer;
- b. a layer comprising a composition of Formula I:
- Formula I
- wherein each R is independently selected from the group consisting of hydrogen, alkyl, fluoroalkyl, aryl, heteroaryl, diarylamino, dialkylamino, aryl(alkyl)amino, arylthio, alkylthio, arylseleno, alkylseleno, aryloxy, alkoxy, dialkylphosphino, diarylphosphino, dialkylphosphoryl, diarylphosphoryl, and thiophosphoryl;
- with the proviso that at least one of R1, R3, R4, R6, R7, R9, R10, and R12 is selected from the group consisting of a fluoro group and a fluoroalkyl group;
- and
- c. a second electrical contact layer.
4 more elements
Dependencies are inferred from the claim text.