Stabilized electrochromic media
US7718096B2 · kind B2 · utility
6Cited by
31References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2006 |
| Grant date | May 18, 2010 |
| Priority date | — |
| Expiry date | Jul 7, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2201/086
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed are compositions, which are stabilized against degradation and yellowing during exposure to ultraviolet light by the presence of certain nitroxyl, hydroxyl amine and hydroxyl amine salt additives, a method of stabilizing the compositions by the addition of said additives, to the use of such compositions as media in electroactive devices such as electrochromic and electrophoteric devices, and the electroactive devices comprised of these media.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.