Photoaligning materials
US10696795B2 · kind B2 · utility
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3References
19Claims
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Assignee
Inventor
Key dates
| Filing date | Nov 9, 2016 |
| Grant date | Jun 30, 2020 |
| Priority date | — |
| Expiry date | Nov 9, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2323/027
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to siloxane polymer, copolymer or oligomer for the photoalignment of liquid crystals, especially for the planar orientation of liquid crystals, and which derives from at least one monomer of formula (I), to compositions thereof, to a process for the preparation of the linear, branched or crosslinked siloxane polymer, and to its use for optical and electro optical devices, such as liquid crystal devices (LCDs):
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.