Flood and back lit instrument cluster
US7537353B2 · kind B2 · utility
4Cited by
3References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 26, 2006 |
| Grant date | May 26, 2009 |
| Priority date | — |
| Expiry date | Oct 29, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0073
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An instrument cluster assembly includes an outer gauge that is disposed about an inner gauge. The inner gauge is flood lit and the outer gauge is back lit. A single light guide assembly receives light from a plurality of light source exposed about an outer perimeter of the outer gauge. Light directed through the light guide is emitted through a light emitting edge to illuminate the inner gauge. Light traveling from the light source through the light guide is uniformly transmitted through a curved transition portion to back light the outer gauge assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.