Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2005-06-07
2005-06-07
Dye, Rena (Department: 1774)
Stock material or miscellaneous articles
Composite
Of inorganic material
C428S917000, C313S504000, C313S506000, C252S301160, C558S265000
Reexamination Certificate
active
06902831
ABSTRACT:
An organic light-emitting device (OLED) in which an azulene based compound is used as an emissive layer and/or one or more charge transport layers, or as a host material, or is doped into a functional layer of an OLED to improve device efficiency.
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Canon Kabushiki Kaisha
Dye Rena
Fitzpatrick ,Cella, Harper & Scinto
Thompson Camie S
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