The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 10, 2011
Filed:
Oct. 18, 2004
Ingo Heim, Frechen, DE;
Bernd Tieke, Brühl, DE;
Roman Lenz, Liestal, CH;
Beat Schmidhalter, Bubendorf, CH;
Aravinda Raman Rabindranath, Köln, DE;
Mathias Düggeli, Basel, CH;
Ingo Heim, Frechen, DE;
Bernd Tieke, Brühl, DE;
Roman Lenz, Liestal, CH;
Beat Schmidhalter, Bubendorf, CH;
Aravinda Raman Rabindranath, Köln, DE;
Mathias Düggeli, Basel, CH;
BASF SE, Ludwigshafen, DE;
Abstract
The present invention relates to polymers comprising a repeating unit of the formula (I) their use in electronic devices. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high charge carrier mobilities and high temperature stability of the emission color are observed, if the polymers according to the invention are used in polymer light emitting diodes (PLEDs).