Cyclopentaphenanthrene-based compound and...

Details Cyclopentaphenanthrene-based compound and... Cyclopentaphenanthrene-based compound and...

2007-12-18

2007-12-18

Cano, Milton I. (Department: 1774)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S917000, C313S504000, C313S506000, C257S040000, C257SE51026, C257SE51027, C257SE51028, C257SE51049, C257SE51050, C548S420000, C548S457000

Reexamination Certificate

active

10954302

ABSTRACT:
The present invention is related to a cyclopentaphenanthrene-based compound and an organic electroluminescence device using the same. In particular, the cyclopentaphenanthrene-based compound offers several advantages, including easy processibility, high solubility, superior color purity, color stability and thermal stability. Moreover, the cyclopentaphenanthrene-based compound may be used not only as a material for forming an organic layer of an organic electroluminescence device, particularly, a light-emitting layer, but also as a material of an organic pigment or nonlinear optical substance.

REFERENCES:
patent: 4910218 (1990-03-01), Bair
patent: 5621131 (1997-04-01), Kreuder et al.
patent: 5763636 (1998-06-01), Kreuder et al.
patent: 5859211 (1999-01-01), Kreuder et al.
patent: 5900327 (1999-05-01), Pei et al.
S. Welter, et al., “Electroluminescent Device with Reversible Switching Between Red and Green Emission” NATURE, Jan. 2, 2003, vol. 421, pp. 54-57.

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