Optical film
US9341755B2 · kind B2 · utility
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17Claims
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Assignee
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Key dates
| Filing date | Aug 22, 2013 |
| Grant date | May 17, 2016 |
| Priority date | — |
| Expiry date | Mar 28, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/045
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical film comprises a transparent 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.