Solar screening film for a vehicle windshield
US5189551A · kind A · utility
29Cited by
18References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 27, 1989 |
| Grant date | Feb 23, 1993 |
| Priority date | — |
| Expiry date | Jul 27, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31678
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A solar screening film for a motor vehicle windshield comprises an interference filter having one or more heat reflecting metal layers and one or more coacting reflection-suppressing layers to minimize reflection and enhance visible transmission and a gradient band continuation of the interference filter above the direct line of forward vision through a windshield when the film is disposed therein in a motor vehicle, for reflective rejection of infra-red solar energy, such band including a light-reflecting metal layer gradually increasing in thickness toward an edge of the film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.