Optical film
US9919339B2 · kind B2 · utility
3Cited by
17References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 17, 2015 |
| Grant date | Mar 20, 2018 |
| Priority date | — |
| Expiry date | May 12, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05D3/067
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical film including a thermoplastic birefringent multilayer optical film and a UV-cured layer disposed adjacent an outer layer of the multilayer optical film is described. The outer layer has a thickness in a range of about 0.5 micrometers to about 1.0 micrometers and the UV-cured layer includes a structured surface opposite the outer layer. The UV-cured layer has a Tg less than about 30° C. and has a pencil hardness in a range of 2B to 2H.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.