LIQUID CRYSTALLINE COMPOUND, LIQUID CRYSTALLINE COMPOSITION, ANISOTROPICALLY LIGHT-ABSORBING FILM, AND LIQUID CRYSTAL DISPLAY DEVICE
申请人:FUJIFILM Corporation
公开号:EP2554536A1
公开(公告)日:2013-02-06
Provided is a novel azo liquid-crystal compound that is capable of orientation with a high degree of orientation order
The liquid-crystal compound denoted by general formula I) below:wherein each of R1 and R2 denotes a hydrogen atom, alkyl group, alkoxy group, or substituent denoted by -L2-Y, with at least one of the two denoting a group other than a hydrogen atom; L2 denotes an alkylene group in which one CH2 group, or two or more nonadjacent CH2 groups, are optionally substituted with -O-, -COO-, -OCO-, -OCOO-, -NRCOO-, -OCONR-, -CO-, -S-, -SO2-, -NR-, -NRSO2-, or - SO2NR- (where R denotes a hydrogen atom or an alkyl group with 1 to 4 carbon atoms); Y denotes a hydrogen atom, hydroxy group, alkoxy group, carboxyl group, halogen atom, or polymerizable group; each instance of L1 denotes a linking group selected from the group consisting of azo groups (-N=N-), carbonyloxy groups (-C(=O)O-), oxycarbonyl groups (-O-C(=O)-) imino groups (-N=CH-), and vinylene groups (-C=C-); and each instance of Dye denotes an azo dye residue denoted by general formula (II).
提供了一种新型的偶氮液晶化合物,能够具有高度有序的取向。该液晶化合物由下面的一般式I)表示:其中R1和R2中的每一个代表氢原子、烷基、烷氧基或由-L2-Y表示的取代基,其中至少有一个不是氢原子;L2代表一种烷基链,其中一个CH2基团或两个或更多非相邻的CH2基团可选地被-O-、-COO-、-OCO-、-OCOO-、-NRCOO-、-OCONR-、-CO-、-S-、-SO2-、-NR-、-NRSO2-或-SO2NR-(其中R代表一个氢原子或含有1至4个碳原子的烷基)所取代;Y代表一个氢原子、羟基、烷氧基、羧基、卤素原子或可聚合基团;每个L1代表从偶氮基团(-N=N-)、羰氧基团(-C(=O)O-)、氧羰基团(-O-C(=O)-)、亚氨基团(-N=CH-)和乙烯基团(-C=C-)中选择的连接基团;每个Dye代表由一般式(II)表示的偶氮染料残基。