| 摘要 |
This invention provides alignment materials for liquid crystal display device of vertical alignment mode and methods for the preparation of the same, and more particularly, it provides diaminobenzene derivatives represented by the following formula 1: wherein n is an integer of 1 to 5 and R is an alkyl or alkoxy group of 3 to 5 carbon atoms, which align liquid crystal in uniform and vertical way, have not only excellent mechanical properties such as heat resistance and surface strength but also high pretilt angles of liquid crystal and in particular, can make response rate of liquid crystal fast, methods for the preparation of the same and liquid crystal alignment films using the same. |
