Long curved wedges in an optical film
US7367705B2 · kind B2 · utility
14Cited by
69References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 3, 2005 |
| Grant date | May 6, 2008 |
| Priority date | — |
| Expiry date | Jan 30, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/02
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The invention relates to a light redirecting polymeric film comprising a plurality of polymeric individual optical elements wherein the elements comprise curved wedge shaped features in the plane of the film, having a length in the range of 800 to 4000 micrometers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.