Optical film
US9810818B2 · kind B2 · utility
2Cited by
0References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 12, 2016 |
| Grant date | Nov 7, 2017 |
| Priority date | — |
| Expiry date | Apr 12, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0053
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An optical film comprises a supporting substrate and a structuralized layer integrally formed on the supporting layer and having a plurality of light-concentrating units including design that varies in height along their length or varies in pitch of prism structure to overcome the optical defects (wet-out) of the optical film and to enhance the optical properties of the optical film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.