Photoactive pentaerythritol derivatives and orientation layers

The present invention describes materials and methods for achieving alignment of liquid crystal materials on a substrate surface and devices fabricated using these methods and materials. Alignment layers for use in liquid crystal devices comprising photoactive pentaerythritol derivatives. 1,2,3,4-tr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Owen, Gareth J, Jackson, Peregrin O, O'Neil, Mary, Kelly, Stephen M
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present invention describes materials and methods for achieving alignment of liquid crystal materials on a substrate surface and devices fabricated using these methods and materials. Alignment layers for use in liquid crystal devices comprising photoactive pentaerythritol derivatives. 1,2,3,4-trakiskis(8-[2-oxo-2H-1-benzopyran-7-yloxy]octanoyloxy)pentaerythritol is but one example.