Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2011-04-05
2011-04-05
Garrett, Dawn L (Department: 1786)
Stock material or miscellaneous articles
Composite
Of inorganic material
C428S917000, C313S504000, C313S506000
Reexamination Certificate
active
07919199
ABSTRACT:
It is an object of the present invention to provide an organic light emitting device having a long-life optical output. The organic light emitting device according to the present invention is provided with an emission layer including at least a host material, a light emitting material, and another material, wherein the another material has a smaller ionization potential than and almost the same hole mobility as or a greater hole mobility than an ionization potential and a hole mobility of a compound which forms an emission layer-side-interface.
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Okinaka Keiji
Saitoh Akihito
Senoo Akihiro
Suzuki Koichi
Ueno Kazunori
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Garrett Dawn L
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