Photoalignment composition for the stabilization of the pre-tilt angle in liquid crystal layers
US11561440B2 · kind B2 · utility
0Cited by
10References
13Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 27, 2018 |
| Grant date | Jan 24, 2023 |
| Priority date | — |
| Expiry date | Feb 16, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2323/027
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a photoalignment composition for the alignment of liquid crystals and the stabilization of the pre-tilt angle in liquid crystal layers. Further the present invention relates to the liquid crystal alignment film and coating layer prepared from the said composition and the use to fabricate optical and electrooptical elements and devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.