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:
Jun. 25, 2013
Filed:
Apr. 04, 2007
Ulrich Berens, Binzen, DE;
Arno Stassen, Hillegom, NL;
Beat Schmidhalter, Bubendorf, CH;
Wolfgang Kalb, Zürich, CH;
Frank Bienewald, Hegenheim, FR;
Ulrich Berens, Binzen, DE;
Arno Stassen, Hillegom, NL;
Beat Schmidhalter, Bubendorf, CH;
Wolfgang Kalb, Zürich, CH;
Frank Bienewald, Hegenheim, FR;
BASF SE, Ludwigshafen, DE;
Abstract
A semiconducting layer comprising a non-polymeric quinoid heteroacene compound of the formula (I) wherein X stands for O, S or NR, each of R, R, R, R, R, R, R, R, Rbeing independently selected from hydrogen and an organic residue, or 2 or more thereof together forming one or more annealed rings, which may be substituted or unsubstituted, carbocyclic or helerocyclic, aromatic, quinoid or aliphatic, may be used e.g. for the manufacture of a diode, an organic field effect transistor, an organic thin film transistor, or a device containing a diode and/or an organic field effect transistor and/or organic thin film transistor.