Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2006-10-31
2006-10-31
Garrett, Dawn L. (Department: 1774)
Stock material or miscellaneous articles
Composite
Of inorganic material
C428S917000, C313S504000, C313S506000, C549S472000, C549S505000, C549S507000
Reexamination Certificate
active
07128983
ABSTRACT:
A furan-containing compound of formula (I):Ar is aryl, heteroaryl, or oligoaryl; A is furyl; B is aryl or heteroaryl; R1is hydrogen, alkenyl, alkynyl, aryl, heteroaryl, cyclyl, heterocyclyl, or oligoaryl; and R2is hydrogen, alkyl, alkenyl, alkynyl, aryl, heteroaryl, cyclyl, or heterocyclyl. The compound is useful as a hole transporting material in an organic light emitting diode device.
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Zhang et al., “Non-amine-based furan-containing oligoaryls as efficient hole transporting materials”, Chem. Commun., 2336-2337, 2002.
Chen Cheih-Wei
Lee Chin-Fa
Luh Tien-yau
Wu Chung-Chih
Zhang Lingzhi
Academia Sinica
Fish & Richardson P.C.
Garrett Dawn L.
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