Patent ID: 7850867
Filing Date: 2010-12-14
Classification: C08G,C09K,G02F

Abstract:
1. A photoalignable top-sealing composition for top-sealing and aligning a liquid crystal composition filled in a top-opened display cell, which photoalignable top-sealing composition comprises a photoalignable polymer, oligomer or a precursor thereof dissolved or dispersed in a sealing solvent or solvent mixture, wherein said photoalignable polymer, oligomer or a precursor thereof comprises a photoalignable function group on the main chain or a side chain, characterized in that said photoalignable function group is selected from the group consisting of cinnamate, coumarin, chalcony, benzolidenenaphthalidine, benzalideneacetophenone, diphenylacetylene, stilbazole, stilbene, diazo and spriopyran.