Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2011-03-29
2011-03-29
Tarazano, D. Lawrence (Department: 1786)
Stock material or miscellaneous articles
Composite
Of inorganic material
C313S504000, C257S102000
Reexamination Certificate
active
07914907
ABSTRACT:
The present invention provides an organic EL device utilizing phosphorescence which can be driven at a low voltage, which realizes high luminance and high efficiency, and which has a long lifetime. The organic EL device of the present invention includes an organic light-emitting layer composed of at least a host material and a dopant, wherein the dopant is a phosphorescent compound containing a halogen atom, and the host material is a linear aromatic compound having no aromatic substituent at a side thereof.
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Hashimoto Masashi
Igawa Satoshi
Iwawaki Hironobu
Kamatani Jun
Kishino Kengo
Canon Kabushiki Kaisha
Clark Gregory
Fitzpatrick ,Cella, Harper & Scinto
Tarazano D. Lawrence
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