Patent ID: 7758932
Filing Date: 2010-07-20
Classification: C09K,G02F

Abstract:
1. A liquid crystal display device, comprising: a liquid crystal composition contained in a cell having a liquid crystal alignment film, the liquid crystal alignment film having a lamellar structure and including at least one type of a triphenylene compound (I) represented by general formula (1): wherein L represents —O— or —S—; R 1 , R 2 , R 3 , R 4 , and R 5 represent the same or different hydrocarbon groups with 4 or more carbon atoms; R 6 represents a divalent hydrocarbon group with 4 or more carbon atoms; and R 7 represents —SiR 8 R 9 R 10 or —P(═O)(OH) 2 where R 8 , R 9 , and R 10 each individually represents —Cl, —OH, —OCH 3 , or —OC 2 H 5 .