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公开(公告)号:US20180003974A1
公开(公告)日:2018-01-04
申请号:US15201054
申请日:2016-07-01
摘要: Disclosed herein is a lens for a wearable projection system. The lens includes a holographic optical element embedded within the lens and covering a portion of the viewable area of the lens. The lens can be manufactured by filling a cavity in a lens blank with a photosensitive material and exposing the photosensitive material to a number of light beams to form the HOE.