Organic element for electroluminescent devices

Details Organic element for electroluminescent devices Organic element for electroluminescent devices

2006-05-30

2006-05-30

Garrett, Dawn (Department: 1774)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S917000, C257S098000, C313S504000, C313S506000

Reexamination Certificate

active

07052785

ABSTRACT:
Disclosed is an OLED device comprising a light-emitting layer (LEL) containing a host and a dopant located between a cathode and an anode wherein the emitter is an orange-red light emitting rubrene derivative represented by formula (II):wherein:a) there are identical branched alkyl or non-aromatic carbocyclic groups at the 2- and 8-positions;b) the phenyl rings in the 5- and 11-positions contain only para-substituents identical to the branched alkyl or non-aromatic carbocyclic groups in paragraph a); andc) the phenyl rings in the 6- and 12-positions are substituted.

REFERENCES:
patent: 6387547 (2002-05-01), Fujita et al.
patent: 6399223 (2002-06-01), Fujita 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: 2000-156290 (2000-06-01), None
patent: 2002097465 (2002-04-01), None
“A New Yellow Fluorescent Dopant For High-Efficiency OLEDs”, 11thInternational Workshop On Inorganic And Organic Electroluminescence & 2002 International Conference On The Science And Technology Of Emissive Displays And Lighting, Sep. 2002, Session 4, EI2002 Ghent, Ghent University, Ghent, Belgium.
Co-pending, commonly assigned, concurrently filed, U.S. Appl. No. 10/701,040, titled “Organic Element For Electroluminescent Devices”, of Begley et al (Kodak).
Co-pending, commonly assigned, concurrently filed, U.S. Appl. No. 10/700,894, titled “Organic Element For Electroluminescent Devices”, of Begley et al (Kodak).
Co-pending, commonly assigned, concurrently filed, U.S. Appl. No. 10/701,241, titled “Organic Element For Electroluminescent Devices”, of Begley et al (Kodak).

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