Electrochromic lamp assemblies
US5517389A · kind A · utility
21Cited by
8References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 11, 1994 |
| Grant date | May 14, 1996 |
| Priority date | — |
| Expiry date | Apr 11, 2014 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21W2102/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The lamp assembly including a reflector having two or more reflective surfaces, a light source and an electrochromic means positioned between the light source and at least one reflective surface. Each reflective surface directs light in a different direction. The electrochromic means is capable of blocking light from exiting the lamp assembly from at least one direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.