Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2008-07-22
2008-07-22
Yamnitzky, Marie R. (Department: 1794)
Stock material or miscellaneous articles
Composite
Of inorganic material
C428S917000, C313S504000, C313S506000, C257S040000, C257SE51044, C546S004000
Reexamination Certificate
active
10940876
ABSTRACT:
The present invention is generally directed to electroluminescent Ir(III) compounds, the substituted 2-phenylpyridines that are used to make the Ir(III) compounds, and devices that are made with the Ir(III) compounds.
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Baldo, et al., “Very high-efficiency green organic light-emitting devices based on electrophosphorescence”, Applied Physics Letters, (1999) pp. 4-6, vol. 75, No. 1, New Jersey.
Ionkin Alex Sergey
Wang Ying
E.I. du Pont de Nemours and Company
Yamnitzky Marie R.
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