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US 10,312,451 B2Granted
Compound for organic electroluminescent device
OwnerFeng-Wen Yeninventor
Life of this patent
Estimating the term…
Abstract
The present invention generally discloses an organic compound and organic electroluminescence (herein referred to as organic EL) device using the organic compound. More specifically, the present invention relates to an organic EL device employing the organic compound as fluorescent emitting host or phosphorescent emitting host which can display long lifetime, high efficiency.
Claims17
A compound with a general formula(I) as follows:
- wherein A represents a phenyl group or a substituted or unsubstituted fused ring hydrocarbon unit with two to four rings, L represents a substituted or unsubstituted divalent arylene group having 6 to 30 ring carbon atoms, Ar1 and Ar2 independently are selected from the group consisting of a substituted or unsubstituted phenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted anthracenyl group, a substituted or unsubstituted phenanthrenyl group, a substituted or unsubstituted pyrenyl group and a substituted or unsubstituted chrysenyl group;
- R1 to R3 are independently selected from the group consisting of a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 6 to 30 carbon atoms and a substituted or unsubstituted heteroaryl group having 3 to 30 carbon atoms.
A compound of formula(III):
- wherein L represents a single bond or a substituted or unsubstituted divalent arylene group having 6 to 30 ring carbon atoms, Ar1 and Ar2 independently are selected from the group consisting of a substituted or unsubstituted phenyl group, a substituted or unsubstituted naphthyl group, a substituted or unsubstituted anthracenyl group, a substituted or unsubstituted phenanthrenyl group, a substituted or unsubstituted pyrenyl group and a substituted or unsubstituted chrysenyl group;
- R1 to R3 are independently selected from the group consisting of a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 6 to 30 carbon atoms and a substituted or unsubstituted heteroaryl group having 3 to 30 carbon atoms.
A compound with one of the following formulas:
Dependencies are inferred from the claim text.