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. 08, 2007
Filed:
Sep. 03, 2003
Jean-pierre Tahon, Langdorp, BE;
Tom Cloots, Londerzeel, BE;
Roger Bäuerle, Stuttgart Vaihingen, DE;
Jean-Pierre Tahon, Langdorp, BE;
Tom Cloots, Londerzeel, BE;
Roger Bäuerle, Stuttgart Vaihingen, DE;
Agfa-Gevaert, N.V., Mortsel, BE;
Abstract
A method of making a liquid crystal alignment layer comprising the steps of: (i) providing a layer on a substrate, the layer comprising a polythiophene according to formula (I): wherein Rand Reach independently represent hydrogen or a C–Calkyl group or together represent a C–Calkylene group or a cycloalkylene group; and (ii) mechanically rendering the layer liquid crystal aligning; a liquid crystal alignment layer obtainable by the above-mentioned method; a liquid crystal device incorporating the above-mentioned liquid crystal alignment layer; a liquid crystal display comprising the above-mentioned liquid crystal alignment layer or the above-mentioned liquid crystal device; and the use of the polythiophene according to formula (I) for aligning liquid crystals.