Agfa Gevaert Nv

Roger Bäuerle

Jean-Pierre D Tahon

Tom Cloots

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.

Liquid crystal alignment layer

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&#x2013;Calkyl group or together represent a C&#x2013;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.

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Stuttgart-Vaihingen, Germany

Roger Bäuerle