Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2006-08-08
2006-08-08
Garrett, Dawn L. (Department: 1774)
Stock material or miscellaneous articles
Composite
Of inorganic material
C428S917000, C313S504000, C313S506000, C313S112000, C427S066000, C257S098000
Reexamination Certificate
active
07087320
ABSTRACT:
Disclosed is an OLED device comprising a light-emitting layer (LEL) containing a host and an emitting dopant located between a cathode and an anode wherein the dopant is a naphthacene derivative represented by formula (I):wherein:a) said naphthacene derivative contains at least one fluorine or fluorine containing group; andb) when exactly two fluorine containing groups are present said groups are not located at the 5- and 12-positions or at the 6- and 11-positions.
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V. V. Grushin et al., New, Efficient Electroluminescent Materials Based on Orgnometallic Ir Complexes, Chem. Commun., pp. 1494-1495, Jul. 2001.
Co-pending, commonly assigned, concurrently filed, U.S. Appl. No. 10/701,040, filed Nov. 4, 2003 titled “Organic Element For Electroluminescent Devices”, of Begley et al.
Co-pending, commonly assigned, concurrently filed, U.S. Appl. No. 10/700,916, filed Nov. 4, 2003 titled “Organic Element For Electroluminescent Devices”, of Begley et al.
Co-pending, commonly assigned, concurrently filed, U.S. Appl. No. 10/701,241, filed Nov. 4, 2003 titled “Organic Element For Electroluminescent Devices”, of Begley et al.
Andrievsky Natasha
Begley William J.
Hatwar Tukaram K.
Rajeswaran Manju
Garrett Dawn L.
Kluegel Arthur E.
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