Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – With reflector – opaque mask – or optical element integral...
Reexamination Certificate
2009-07-29
2011-12-06
Fulk, Steven J (Department: 2891)
Active solid-state devices (e.g., transistors, solid-state diode
Incoherent light emitter structure
With reflector, opaque mask, or optical element integral...
C257SE33001, C438S029000
Reexamination Certificate
active
08071993
ABSTRACT:
An organic electroluminescence element includes organic compound layers disposed between electrodes, the concentration of halogen atoms contained in organic compounds of the organic compound layers being 1 ppm or less according to combustion ion chromatography.
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patent: 2007/0154735 (2007-07-01), Nakayama
patent: 2008/0157657 (2008-07-01), Matsunami et al.
patent: 2002-175885 (2002-06-01), None
Hiraoka Mizuho
Itabashi Masumi
Iwawaki Hironobu
Muratsubaki Masanori
Ohrui Hiroki
Canon Kabushiki Kaisha
Fulk Steven J
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