Optical film
US9598546B2 · kind B2 · utility
0Cited by
2References
5Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 26, 2015 |
| Grant date | Mar 21, 2017 |
| Priority date | — |
| Expiry date | Aug 11, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133637
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical film having a desired wavelength dispersion characteristic, a low photoelastic coefficient and a desired Nz coefficient.The optical film is formed from a copolymer and meets the following conditions (i) to (v):
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.