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1. 发明申请

WO2013130198A1 SANDWICHED DIFFRACTIVE OPTICAL COMBINER 审中-公开
标题翻译：多光束衍射光学组合器
公开(公告)号：WO2013130198A1
公开(公告)日：2013-09-06
申请号：PCT/US2013/023251
申请日：2013-01-25
申请人： GOOGLE INC.
发明人： KRESS, Bernard, C.
IPC分类号： G02B5/18 , G02B5/30 , G02B27/02
CPC分类号： G02B27/0172 , G02B5/1861 , G02B5/30 , G02B27/1086 , G02B2027/0114
摘要： An optical combiner includes a two-dimensional ("2D") array of three-dimensional ("3D") diffraction element shapes disposed in a first side of a base sandwich layer. Partially reflective elements coat each of the 3D diffraction element shapes. The partially reflective elements collectively form a reflective diffraction grating having magnifying optical power for image light incident on the reflective diffraction grating through an eye-ward side of the optical combiner. A planarization sandwich layer is disposed over the partially reflective elements and has an index of refraction substantially equal to that of the base sandwich layer such that external scene light incident through the external scene side passes through the optical combiner substantially without diffraction while the image light incident through the eye-ward side is reflected and magnified via the reflective diffraction grating.
摘要翻译：光学组合器包括设置在基底夹层的第一侧中的三维（“3D”）衍射元件形状的二维（“2D”）阵列。部分反射元件涂覆每个3D衍射元件的形状。部分反射元件共同形成具有放大光焦度的反射衍射光栅，用于通过光组合器的视野侧入射在反射衍射光栅上的图像光。平坦化夹层层设置在部分反射元件之上，并且具有基本上等于基底夹层的折射率，使得通过外部场景侧入射的外部场景光在基本上没有衍射的同时通过光学组合器，而图像光入射通过眼睛侧通过反射衍射光栅反射和放大。

2. 发明申请

WO2014120388A1 SEE-THROUGH NEAR-TO-EYE DISPLAY WITH EYE PRESCRIPTION 审中-公开
标题翻译：通过眼睛预约来看近眼睛的眼睛显示
公开(公告)号：WO2014120388A1
公开(公告)日：2014-08-07
申请号：PCT/US2014/010192
申请日：2014-01-03
申请人： GOOGLE INC.
发明人： GUPTA, Anurag , PRIEST-DORMAN, Greg, E. , KRESS, Bernard, C.
IPC分类号： G02B27/02
CPC分类号： G02B3/12 , G02B5/18 , G02B5/1842 , G02B5/1861 , G02B27/0101 , G02B27/0172 , G02B2027/011 , G02B2027/013 , G02B2027/0178 , G02C7/086 , G02C11/10
摘要： An optical apparatus includes an optical combiner, an image lens, and an external scene lens. The optical combiner has an eye-ward side and an external scene side and includes a partially reflective diffraction grating that is at least partially reflective to image light incident through the eye-ward side and at least partially transmissive to external scene light incident through the external scene side. A first mount is positioned to hold the image lens in an optical path of the image light to apply a first corrective prescription to the image light. A second mount is positioned to hold an external scene lens over the external scene side of the optical combiner to apply a second corrective prescription to the external scene light. The optical combiner combines the image light with the scene light to form a combined image that is corrected according to the first and second corrective prescriptions.
摘要翻译：光学装置包括光学组合器，图像透镜和外部场景透镜。该光学组合器具有侧视侧和外部场景侧，并且包括部分反射衍射光栅，该部分反射衍射光栅至少部分地反射入射穿过眼睛侧的图像光，并且至少部分透射通过外部入射的外部场景光场景侧。第一安装件定位成将图像透镜保持在图像光的光路中，以对图像光施加第一校正处方。第二安装座被定位成将外部场景镜头保持在光学组合器的外部场景侧，以对外部场景光应用第二校正处方。光学合成器将图像光与场景光组合以形成根据第一和第二校正处方校正的组合图像。

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