Electrochromic optical lens
US8482839B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 8, 2008 |
| Grant date | Jul 9, 2013 |
| Priority date | — |
| Expiry date | Apr 5, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49117
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The invention relates to an electrochromic optical lens and a method for the preparation thereof. The lens includes an electrode and a counter-electrode bearing an electrochromic material separated by a solid polymer electrolyte. The method consists of preparing the electrode and the counter-electrode and the assembly thereof by the surfaces thereof bearing the electrochromic material by interleaving an electrolyte membrane between said surfaces. The electrolyte membrane is interleaved in the form of a composition free of volatile liquid solvent, including a precursor of the polymer and a salt, which is liquid or which has a dynamic viscosity [mu] between 100 and 106 Pa·s.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.