Organic element for electroluminescent devices

Stock material or miscellaneous articles – Composite – Of inorganic material

Reexamination Certificate

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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.

REFERENCES:
patent: 6387547 (2002-05-01), Fujita et al.
patent: 6399223 (2002-06-01), Fujita et al.
patent: 2002/0121638 (2002-09-01), Grushin et al.
patent: 2003/0099860 (2003-05-01), Lin et al.
patent: 1 148 109 (2001-10-01), None
patent: 04-335087 (1992-11-01), None
patent: 10-289786 (1998-10-01), None
patent: 2000-156290 (2000-06-01), None
patent: 2002-167578 (2002-06-01), None
patent: WO 02/100977 (2002-12-01), None
patent: 03/010778 (2003-02-01), None
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.

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