Electrochromic materials, devices and process of making
US6647166B2 · kind B2 · utility
20Cited by
72References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 9, 2001 |
| Grant date | Nov 11, 2003 |
| Priority date | — |
| Expiry date | Aug 6, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2202/34
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Thin films of transition metal compositions formed with magnesium that are metals, alloys, hydrides or mixtures of alloys, metals and/or hydrides exhibit reversible color changes on application of electric current or hydrogen. Thin films of these materials are suitable for optical switching elements, thin film displays, sun roofs, rear-view mirrors and architectural glass.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.