Organic compound and organic electroluminescence device using the same
AssigneeLuminescence Technology Corporation
InventorsFeng-Wen Yen, Shu-Hua Yeh
Life of this patent
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Abstract
An organic compound which can be used as the phosphorescent host material, the fluorescent host material, or the fluorescent dopant material of the light emitting layer, and/or the electron transporting material of the organic electroluminescence device is disclosed. The organic electroluminescence device employing the organic compound can lower driving voltage, prolong half-lifetime, and increase current efficiency.
Claims11
An organic compound represented by one of the following formula (4) to formula (9) and formula (11) to formula (21):
- wherein X is a divalent bridge selected from the group consisting of O, S, NR4, CR5R6, and SiR7R8;
- R1 to R3 are independently absent, a hydrogen atom, a halogen, a substituted or unsubstituted aryl group having 5 to 30 ring atoms, a substituted or unsubstituted heteroaryl group having 5 to 30 ring atoms, a substituted or unsubstituted arylamine group having 5 to 30 ring atoms, or a substituted or unsubstituted heteroarylamine group having 5 to 30 ring atoms;
- R4 is a hydrogen atom, a halogen, a substituted or unsubstituted aryl group having 5 to 30 ring atoms, a substituted or unsubstituted heteroaryl group having 5 to 30 ring atoms, a substituted or unsubstituted arylamine group having 5 to 30 ring atoms, or a substituted or unsubstituted heteroarylamine group having 5 to 30 ring atoms;
- and R5 to R8 are independently 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 6 to 30 carbon atoms, or a substituted or unsubstituted heteroaryl group having 3 to 30 carbon atoms.
An organic compound of formula (1) or formula (2) below:
- wherein Q is a group represented by formula (3) below:
- wherein X is a divalent bridge selected from the group consisting of O, S, NR4, CR5R6, and SiR7R8;
- wherein R5 to R8 are independently 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 6 to 30 carbon atoms, or a substituted or unsubstituted heteroaryl group having 3 to 30 carbon atoms;
- and
- wherein R1 to R4 independently represent one of the following substituents:
An organic compound, wherein the organic compound is one of the following compounds:
Dependencies are inferred from the claim text.