Lens assembly for matrix lamp displays
US5685634A · kind A · utility
56Cited by
9References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 22, 1996 |
| Grant date | Nov 11, 1997 |
| Priority date | — |
| Expiry date | Aug 22, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F27/008
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A lens assembly is disclosed for a matrix lamp display which includes a reflector portion having a rear wall and plurality of peripheral walls extending forwardly therefrom, and a lens portion having a peripheral frame including structure for engaging the peripheral walls of the reflector portion, an inclined curved lens face extending forwardly from the frame, and a ventilated top wall extending rearwardly from an upper edge of the lens face to the frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.