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US 11,108,001 B2Granted
Organic compound and organic electroluminescence device using the same
AssigneeLuminescence Technology Corporation
InventorsFeng-Wen Yen, Li-Chieh Chuang
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Abstract
The present invention discloses an organic compound and an organic electroluminescence device employing the organic compound as the fluorescent host or guest material in the light emitting layer of the organic electroluminescence device. The organic electroluminescence device employing the organic compound of the present invention can operate under reduced driving voltage, increased current efficiency, or prolong half-life time.
Claims11
An organic compound of formula (A) below:
- Wherein at least one of G1 and G2 exists and represents formula (B) below:
- X is a divalent bridge selected from the group consisting of O, S, Se, NR2 and SiR3R4;
- m is an integer of 0 to 8;
- L represents a single bond, a substituted or unsubstituted divalent arylene group having 6 to 12 ring carbon atoms, or a substituted or unsubstituted divalent heteroarylene group having 6 to 12 ring carbon atoms;
- Ar represents a halogen, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, or a substituted or unsubstituted heteroaryl group having 3 to 30 carbon atoms, or a substituted or unsubstituted arylamine group having 6 to 30 carbon atoms, or a substituted or unsubstituted heteroarylamine group having 3 to 30 carbon atoms;
- and R1 to R4 represent a hydrogen atom, a halogen, a substituted or unsubstituted alkyl group having 1 to 30 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 30 carbon atoms, or a substituted or unsubstituted heteroaryl group having 3 to 30 carbon atoms.
3 more elements
An organic compound of the following formula (A):
- (R1)m wherein at least one of G1 and G2 exists and represents formula (B) below:
- Ar formula (B);
- X is a divalent bridge selected from the group consisting of O, S, Se, NR2 and SiR3R4;
- m is an integer of 0 to 8;
- L represents a single bond, a substituted or unsubstituted divalent arylene group having 6 to 12 ring carbon atoms, or a substituted or unsubstituted divalent heteroarylene group having 6 to 12 ring carbon atoms;
- and Ar represents a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted terphenyl group, a substituted or unsubstituted fluorene group, a substituted or unsubstituted benzofluorene 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, or a substituted or unsubstituted chrysenyl group, a substituted or unsubstituted diphenylamine group, a substituted or unsubstituted triphenylamine group, a substituted or unsubstituted phenyldibenzofuranylamine group, or a substituted or unsubstituted phenyldibenzothiophenylamine group, or a substituted or unsubstituted diphenylfluorenylamine group, or a substituted or unsubstituted diphenylspirobifluorenylamine group.
3 more elements
An organic compound is one of the following compounds:
Dependencies are inferred from the claim text.