System and method of using fluorescent material to display information on a vehicle window
US8466438B2 · kind B2 · utility
238Cited by
7References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 2010 |
| Grant date | Jun 18, 2013 |
| Priority date | — |
| Expiry date | Oct 27, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60K2360/334
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A system to selectively display a symbol at a location on a vehicle window. The system includes an arrangement of a fluorescent material at the location, wherein the fluorescent material: a) is sufficiently transparent in the absence of ultraviolet (UV) light, b) fluoresces when illuminated with UV light, c) and has a shape corresponding to the symbol, and a UV light source configured to illuminate the location with UV light to display the symbol. Such a system may use unfocused UV light sources to illuminate the symbol shaped fluorescent material as opposed to focused UV light sources such as UV lasers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.