Patent ID: 7067566

Claim:
A liquid crystal alignment agent containing triazine ring based polymer expressed by the following chemical formula (1): wherein R 1 in the Chemical Formula (I) is one selected from the following formula (1a) to (4a): wherein X in the above formula (1a) is one selected from the following formula: wherein Y in the formula (1a) is one selected from the following formula: wherein the numerals 1, 2, 3, 4, 5, 6, 7, 8 or 9 in the above formulas is one selected from the following formula: wherein in the above formula (2a) and (3a), n is 0˜10, and the numerals 1, 2, 3, 4 and 5 are respectively selected from the following formula: wherein Y in the above formula (4a) is one selected from the following formula: wherein the numerals 1 and 2 in the above formula (4a) are respectively selected from the following formula: wherein R 2 and R3 in the Chemical Formula (I) are respectively based on one amine selected from the following formula: wherein R4 and R 5 in the above Chemical Formula (I) are respectively based on one carboxylic acid derivative or carboxylic acid dianhydride selected from the following formula: