High light-efficiency illumination cluster
US7458695B2 · kind B2 · utility
5Cited by
7References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 26, 2006 |
| Grant date | Dec 2, 2008 |
| Priority date | — |
| Expiry date | Jun 19, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0073
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A light guide assembly for illuminating an instrument surface includes a continuous curved transition portion for uniformly directing and transmitting light from a light source to a backlight surface of the instrument surface. The curved shape of the transition portion is tailored to transmit a desired amount of light into the backlight portion and a desired amount outwardly against a back surface of the instrument surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.