Polarized and abrasion-resistant optical article and process for manufacturing thereof
US8029135B2 · kind B2 · utility
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1References
12Claims
0Family size
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Key dates
| Filing date | May 4, 2005 |
| Grant date | Oct 4, 2011 |
| Priority date | — |
| Expiry date | Nov 11, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2219/03
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to polarized and abrasion-resistant article comprising: a) a polarized layer applied to a substrate, said polarized layer including an oriented liquid crystal polymer layer (LCP) including at least one dichroic dye, said liquid crystal layer being coated on a photo-orientation layer, and b) an abrasion-resistant coating applied to the polarized layer on said substrate. The invention also relates to a process for manufacturing said articles, and to the use of the above-mentioned article for the manufacturing of optic glasses or lenses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.