prov:value
| - The turning layer 840 may be made of an optically transmissive material such as polycarbonate, acrylics, acrylate polymers and copolymers, and other materials, including but not limited to polymethymethacrylate (PMMA), poly(styrene-methylmethacrylate) polymers (PS-PMMA, sold under the name of Zylar), zenor, COC, and optically transmissive plastics.In some embodiments, the diffuser 830 is a thin, s
|