TREATING AGENT FOR LIQUID CRYSTAL ALIGNMENT LAYER AND LIQUID CRYSTAL DEVICE USING THE SAME, AND METHOD FOR ALIGNMENT OF LIQUID CRYSTAL
申请人:Nissan Chemical Industries, Ltd.
公开号:EP1111442A1
公开(公告)日:2001-06-27
Object
Liquid crystal-alignment agent where uniform liquid alignment of liquid crystals is effectively manifested by the irradiation with light over the liquid crystal alignment film without rubbing treatment of the liquid crystal alignment film thereof, and further manifests liquid crystal alignment with high stability and high light resistance, liquid crystals device with the use of said alignment agent and the method of the liquid crystal alignment by the use of said liquid crystal alignment agent.
Constitution
Liquid crystal alignment agent where polymer compound having bonds shown in the general formula (1) - (7) below
wherein R1, R2 and R3 are independently of each other hydrogen, alkyl, substituted alkyl, aryl or propargyl; in the polymer compound thereof with number-average molecular weight of 1,000 - 300,000, and said bond makes the direct bond with either divalent or trivalent aromatic group at the both ends of said bond or with divalent or trivalent aromatic group making the direct bond at one end while at the other forming the direct bond with divalent or trivalent alicyclic hydrocarbon group, liquid crystal device by the use of said liquid crystal alignment agent and the method of the liquid crystal alignment by the use of said liquid crystal alignment agent.
目标
无需对液晶对位膜进行摩擦处理,通过对液晶对位膜进行光照射,即可有效实现液晶的均匀液态对位,并进一步实现高稳定性和高耐光性液晶对位的液晶对位剂、使用所述对位剂的液晶装置以及使用所述液晶对位剂的液晶对位方法。
构成
液晶配向剂,其中的聚合物化合物具有以下通式(1)-(7)所示的键
其中 R1、R2 和 R3 相互独立地为氢、烷基、取代烷基、芳基或丙基;在其平均分子量为 1,000 - 300,000 的聚合物化合物中,所述键在所述键的两端与二价或三价芳香族基团直接键合,或在一端与二价或三价芳香族基团直接键合,而在另一端与二价或三价脂环烃基团直接键合,通过使用所述液晶配向剂的液晶装置和通过使用所述液晶配向剂的液晶配向方法。