Light emissive panel unit
US5863114A · kind A · utility
19Cited by
7References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 7, 1994 |
| Grant date | Jan 26, 1999 |
| Priority date | — |
| Expiry date | Mar 7, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0065
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light emissive panel unit includes a light source for emitting light, a prism plate into which the light emitted by the light source means incident, a part of the light being reflectable and another part of the light passing through the prism plate, and an adjusting element for partially adjusting an amount of light emitted from a surface of the prism plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.