Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2007-01-29
2009-08-04
Solola, Taofiq A (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C428S917000, C549S284000
Reexamination Certificate
active
07569694
ABSTRACT:
Provided are an organic electroluminescent device having better performances in luminous efficiency, device life and driving voltage, a display unit equipped with the same and a lighting instrument equipped with the same. The organic electroluminescent device comprises an electron transport layer containing a specific arylamine-substituted coumarin compound.
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Fujiwara Makoto
Koike Toshihiro
Noguchi Ayashi
Satsuki Makoto
Uchida Manabu
Chisso Corporation
Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo
Solola Taofiq A
Wenderoth , Lind & Ponack, L.L.P.
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