Optical filter for a window
US6650478B1 · kind B1 · utility
60Cited by
17References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 20, 1999 |
| Grant date | Nov 18, 2003 |
| Priority date | — |
| Expiry date | Aug 20, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/282
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An optical filter in the form of a film which can be used in a window to control the amount of absorbed light, reflected light, transmitted light and solar energy rejection. The optical filter contains a unique combination of an interfering Fabry-Perot stack and a massive Fabry-Perot stack.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.