Diamine compound and preparation method thereof, liquid crystal alignment agent, liquid crystal alignment film, liquid crystal display element
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- DONGJIN SEMICHEM CO LTD
- Publication Date
- 2015-08-05
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
[0001] This application claims priority based on Korean Patent No. 10-2011-0047028 filed with the Korean Intellectual Property Office on May 18, 2011 and Korean Patent No. 10-2011-0047030 filed with the Korean Intellectual Property Office on May 18, 2011 , the entire contents of these patents are incorporated in this application by reference. technical field
[0002] The invention relates to a diamine compound and a preparation method thereof, a liquid crystal alignment agent, a liquid crystal alignment film and a liquid crystal display element. More specifically, it relates to a new structural diamine compound that can be used as an optical alignment agent, a preparation method thereof, a liquid crystal alignment agent, a liquid crystal alignment film, and a liquid crystal display element. Background technique
[0003] In the structural material of the liquid crystal display, the liquid crystal alignment film is in contact with the liquid crystal molecules to align the liqu...