Light directing sign substrate
US8801207B2 · kind B2 · utility
2Cited by
7References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 2010 |
| Grant date | Aug 12, 2014 |
| Priority date | — |
| Expiry date | Dec 26, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F19/14
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A light directing substrate includes a back major surface and a front major surface opposing the back surface. The back major surface includes light reflection regions and light transmission regions. The front surface includes a plurality of lenticular lens elements. A graphic image disposed on or in the light directing substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.