Polymerisable compounds and use thereof in liquid-crystal displays
By using compound of formula I for in-situ polymerization in PSA displays, the problems of pre-tilt angle instability and image viscous effect are solved, improving the response time and reliability of the displays, especially maintaining a high voltage retention ratio and good solubility after UV light irradiation.
Patent Information
- Application Number
- CN201510445993.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2014-07-30
- Filing Date
- 2015-07-27
- Publication Date
- 2016-02-10
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Existing PSA displays suffer from problems such as unstable pre-tilt angle, image lag, long response time, low reliability, and difficulty in determining material selection criteria, especially in terms of voltage retention ratio and solubility after UV irradiation.
By using polymerizable compounds with specific structures (such as compound I), cross-linked polymers are formed through in-situ polymerization in LC media to stabilize the pre-tilt angle, and rapid polymerization and high resistivity are achieved without the use of photoinitiators, thereby improving reliability and solubility after UV irradiation.
It achieves rapid establishment of a stable pre-tilt angle, reduces image lag, improves voltage hold-up ratio and response time, enhances the solubility and reliability of LC media, and is suitable for various PSA display modes.