Light collimating film
US8133572B2 · kind B2 · utility
6Cited by
19References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 7, 2011 |
| Grant date | Mar 13, 2012 |
| Priority date | — |
| Expiry date | Jul 7, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2462
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Light-collimating films as well as other microstructured film articles are described that comprise a (e.g. UV) cured light transmissive film comprising the reaction product of a polymerizable resin composition. Polymerizable resin compositions are also described that comprise aliphatic urethane (meth)acrylate oligomer(s), bisphenol-A ethoxylated diacrylate(s), and a crosslinker having at least three (meth)acrylate groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.