Patents by Inventor Roger Bäuerle

Roger Bäuerle has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Liquid crystal alignment layer
    Patent number: 7357965
    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 R1 and R2 each independently represent hydrogen or a C1-C4 alkyl group or together represent a C1-C4 alkylene 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.
    Type: Grant
    Filed: October 13, 2000
    Date of Patent: April 15, 2008
    Assignee: Agfa-Gevaert, N.V.
    Inventors: Jean-Pierre Tahon, Tom Cloots, Roger Bäuerle
  • Method of making a liquid crystal alignment layer
    Patent number: 7214405
    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 R1 and R2 each independently represent hydrogen or a C1–C4 alkyl group or together represent a C1–C4 alkylene 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.
    Type: Grant
    Filed: September 3, 2003
    Date of Patent: May 8, 2007
    Assignee: Agfa-Gevaert, N.V.
    Inventors: Jean-Pierre Tahon, Tom Cloots, Roger Bäuerle