Birefringent RM lens
US10386556B2 · kind B2 · utility
0Cited by
2References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 4, 2013 |
| Grant date | Aug 20, 2019 |
| Priority date | — |
| Expiry date | Dec 4, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2019/188
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a RM lens obtainable from a polymerizable liquid crystalline medium comprising, Moreover, the invention relates to the use of such birefringent RM lenses in electro optical devices, such as liquid crystal displays (LCDs) or other optical or electrooptical devices, for decorative or security applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.