Linear light source unit
US6193383A · kind A · utility
61Cited by
7References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 24, 1999 |
| Grant date | Feb 27, 2001 |
| Priority date | — |
| Expiry date | Mar 24, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0073
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An elongated transparent light leading member is provided above a light source, leading member is provided opposite to the light source and a hole is formed in the light leading member at a position above the light source. The hole has an inverted triangular shape, opposite sides of the hole are provided for reflecting light beams emitted from the light source in a longitudinal direction of the light leading member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.