ULTRA THIN FRESNEL LENSES AND OTHER OPTICAL ELEMENTS

摘要

Ultra thin Fresnel lenses and methods of forming the same are described herein. An optical element comprising an ultra thin Fresnel lens includes a plurality of Fresnel elements formed on a surface of a substrate. Each of the plurality of Fresnel surface elements has an angled facet portion and a shallow or substantially horizontal portion. The Fresnel surface elements can be formed, for example, by a hot stamp or cold transfer method.