Architectural lighting devices with photosensitive lens
US6056421A · kind A · utility
12Cited by
11References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 25, 1995 |
| Grant date | May 2, 2000 |
| Priority date | — |
| Expiry date | Aug 25, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01K1/26
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An interior or exterior design lighting assembly with a photosensitive sheet member in spaced relation to said assembly capable of aesthetically concealing its inner componentry by having said photosensitive sheet member adapting a darkened appearance when said assembly is in its de-energized state. When the light assembly is energized said photosensitive sheet member will render its darkened state to adapt a transparent state allowing for full light transmission to occur.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.