Conjugated polymers containing spirobifluorene units and the...

Details Conjugated polymers containing spirobifluorene units and the... Conjugated polymers containing spirobifluorene units and the...

2007-07-25

2009-12-29

Truong, Duc (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Nitrogen-containing reactant

C528S086000, C528S397000, C528S422000, C428S690000, C428S917000, C252S582000

Reexamination Certificate

active

07638594

ABSTRACT:
The present invention relates to novel conjugated polymers comprising spirobifluorene units and their use in optoelectronic devices, preferably in, for example, displays based on polymeric organic light-emitting diodes.

REFERENCES:
patent: 5621131 (1997-04-01), Kreuder et al.
patent: 5763636 (1998-06-01), Kreuder et al.
patent: 6353083 (2002-03-01), Inbasekaran et al.
patent: 0894107 (1999-05-01), None
patent: WO-00/46321 (2000-10-01), None
patent: WO-02/077060 (2000-10-01), None
Meerholz et al., Polymer materials that can be structured, method for producing the same and their use for LED's, Feb. 7, 2002, Covion Organic Semiconductors GmbH, Germany, Chem Abstract 136: 167820.

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