Organic element for electroluminescent devices

Details Organic element for electroluminescent devices Organic element for electroluminescent devices

2006-05-23

2006-05-23

Garrett, Dawn L. (Department: 1774)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S917000, C313S504000, C313S506000, C257S098000

Reexamination Certificate

active

07049012

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 (I):wherein:a) there are identical oxy, aza or thio groups at the 2- and 8-positions;b) the phenyl rings in the 5- and 11-positions contain only para-substituents identical to the oxy, aza or thio groups in paragraph a);c) the phenyl rings in the 6- and 12-positions are substituted; andprovided that when a single substituent on both phenyl rings in paragraph c) are present, said substituent is not a methoxy group located at the para-position.

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: 10289786 (1998-10-01), None
patent: 2000-156290 (2000-06-01), None
Co-pending, commonly assigned, concurrently filed, U.S. Appl. No. 10/701,040 titled “Organic Element For Electroluminescent Devices”, of Begley et al.
Co-pending, commonly assigned, concurrently filed, U.S. Appl. No. 10/700,894, titled “Organic Element For Electroluminescent Devices”, of Begley et al.
Co-pending, commonly assigned, concurrently filed, U.S. Appl. No. 10/700,916, titled “Organic Element For Electroluminescent Devices”, of Begley et al.

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