Electroluminescent device containing borondiketonate emitter

Details Electroluminescent device containing borondiketonate emitter Electroluminescent device containing borondiketonate emitter

2005-06-29

2008-05-06

Garrett, Dawn (Department: 1794)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S917000, C313S504000, C313S506000

Reexamination Certificate

active

07368180

ABSTRACT:
An OLED device comprises a light-emitting layer containing a hydrocarbon host material and a light-emitting material of Formula (1):wherein:each Ar represents an independently selected aromatic group;each R1represents an independently selected alkyl group or aromatic group;n is 1 or 2;Zarepresents the atoms necessary to form an aromatic ring group;R represents hydrogen or a substituent group;Z represents hydrogen or a substituent group; andL1and L2represent independently selected substituent groups;provided that any two adjacent substituents of any of the above groups may join to form a ring.

REFERENCES:
patent: 7026490 (2006-04-01), Hartmann et al.
patent: 2004/0124766 (2004-07-01), Nakagawa et al.
patent: 2004/0247937 (2004-12-01), Chen et al.
patent: 2000030869 (2000-01-01), None
patent: 2000159777 (2000-06-01), None
patent: WO 0221611 (2002-03-01), None

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