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公开(公告)号：EP3391103A1
公开(公告)日：2018-10-24
申请号：EP17851208.3
申请日：2017-05-15
申请人： Oculus VR, LLC
CPC分类号： G02B3/08 , G02B27/0172 , G02B2027/0178
摘要： A lens includes an optically transparent substrate having a first lens surface and a second lens surface opposite to the first lens surface. The first lens surface includes a plurality of Fresnel structures. A respective Fresnel structure of the plurality of Fresnel structures includes a slope facet and a draft facet. The respective Fresnel structure of the plurality of Fresnel structures is characterized by a representative pitch. The representative pitch of the respective Fresnel structure is based on a distance of the respective Fresnel structure from a reference axis of the lens. A display device that includes the lens and an electronic display coupled with the lens for outputting light through the lens and a method for transmitting light from an electronic display toward the lens are also described.
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公开(公告)号：EP3308213A1
公开(公告)日：2018-04-18
申请号：EP17760743.9
申请日：2017-03-01
申请人： Oculus VR, LLC
发明人： GENG, Ying , GOLLIER, Jacques , MCNALLY, Stephen, James , BRYARS, Brett, Joseph , MCELDOWNEY, Scott, Charles
CPC分类号： G02B27/0172 , G02B5/3083 , G02B6/0005 , G02B6/0008 , G02B6/06 , G02B6/08 , G02B17/0812 , G02B27/0025 , G02B27/283 , G02B2027/011 , G02B2027/0132
摘要： A head mounted display (HMD) includes a field curvature corrected (FC) display to mitigate field curvature in an image that is output to a user's eyes. The FC display includes elements that generate the image light and elements to mitigate field curvature from the image light. The FC display may include a display panel with lenses, a display panel with a reflective polarizer and reflective surface, or other optical elements. The FC display may include a pancake lens configuration including a polarized display with a quarter wave plate, a reflective mirror, and a polarization reflective mirror.
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