Light directing film
US9733400B2 · kind B2 · utility
0Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 8, 2015 |
| Grant date | Aug 15, 2017 |
| Priority date | — |
| Expiry date | Jun 8, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0058
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention discloses a light directing film comprising a first structured major surface, a second major surface opposite to the first structured major surface, wherein the first structured major surface comprises a first prism element and a second prism element meandering in a wary manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.