Quinoxaline derivatives, and light emitting element using...

Details Quinoxaline derivatives, and light emitting element using... Quinoxaline derivatives, and light emitting element using...

2007-07-17

2007-07-17

Tucker, Zachary C (Department: 1624)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C544S034000, C544S102000, C544S229000, C544S353000

Reexamination Certificate

active

10900781

ABSTRACT:
It is an object to provide an organic compound that has a bipolar property and also a light emitting property, and further has heat resistance.A quinoxaline derivative represented by a general formula (1) is provided. In the formula, A represents any one of an alkylene chain, silicon (Si), oxygen (O), nitrogen (N), and sulfur (S). R1to R8, which may be identical or different, individually represent any one of a lower alkyl group, an aryl group, and a heterocyclic group. R9to R24, which may be identical or different, individually represent any one of a hydrogen atom, a halogen atom, a lower alkyl group, an alkoxy group, an acyl group, a nitro group, a cyano group, an amino group, a dialkylamino group, a diarylamino group, a vinyl group, an aryl group which may have a substituent, and a heterocyclic group

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