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US 2003/0164499 A1Published application
Fluorescent bis-coumarins for organic light-emitting devices
AssigneeCanon Kabushiki Kaisha
InventorsJian Ping Chen, Travis P.S. Thoms, Bing R. Hsieh
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Abstract
A fluorescent compound, suitable for use in an active layer of an organic light-emitting device and exhibiting both good luminescence and excellent thermal stability, which has the structure 1 wherein R is substituted or unsubstituted alkyl; wherein Ar2 is optionally present; and wherein Ar1, Ar2, and Ar3 are independently each a substituted or unsubstituted aryl group.
Claims11
A fluorescent compound having a structure
- 16
- wherein R is the same or different, and is selected from —H, oxy or C1-C10 alkyl;
- wherein Ar2 is optionally present;
- and
- wherein Ar1, Ar2, and Ar3 are independently each a substituted or unsubstituted aryl group.
2 more elements
Dependencies are inferred from the claim text.