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1. 发明申请

US20150286125A1 HIGH-EFFICIENCY PROJECTION SCREEN 审中-公开
标题翻译：高效投影屏幕
公开(公告)号：US20150286125A1
公开(公告)日：2015-10-08
申请号：US14243501
申请日：2014-04-02
申请人： Microsoft Corporation
发明人： Karlton David Powell
IPC分类号： G03B21/60
CPC分类号： G03B21/60
摘要： Embodiments for a high-efficiency, high-uniformity projection screen are provided. In one example, a projection screen comprises an angle-dependent diffusing layer configured to transmit light non-diffusively within a first range of incident angles and transmit light diffusively within a second range of incident angles and a redirective element configured to receive light transmitted through the angle-dependent diffusing layer in one or more directions within the first range of incident angles and redirect the received light back through the angle-dependent diffusing layer in one or more directions within the second range of incident angles.
摘要翻译：提供了高效率，高均匀性的投影屏幕的实施例。在一个示例中，投影屏幕包括角度依赖扩散层，其被配置为在入射角的第一范围内非漫射地发射光并且在入射角的第二范围内漫射透射光，并且重定向元件被配置为接收通过在第一入射角范围内的一个或多个方向上的角度依赖扩散层，并且将所接收的光在第二入射角范围内的一个或多个方向上重新定向穿过角度依赖扩散层。

2. 发明申请

US20150346417A1 SWITCHABLE BACKLIGHT UNIT 有权
标题翻译：可切换背光单元
公开(公告)号：US20150346417A1
公开(公告)日：2015-12-03
申请号：US14288242
申请日：2014-05-27
申请人： Microsoft Corporation
发明人： Karlton David Powell
IPC分类号： F21V8/00
CPC分类号： G02B6/0051 , G02B6/0021 , G02B6/0028 , G02B6/0046 , G02B6/0055 , G02B6/0061 , G02B6/0068
摘要： Embodiments for a backlight unit are provided. In one example, a backlight unit comprises a light guide configured to receive light at a first light interface located at an end of the light guide and output light via a second light interface located at a face of the light guide, and a plurality of light sources configured to inject light into the light guide at the first light interface. The example backlight unit also comprises a graded index film configured to receive light from the second light interface of the light guide, homogenize received light that is incident on the graded index film from within a range of acceptance angles and not homogenize light incident on the graded index film from outside of the range of acceptance angles, and direct the homogenized light toward an eye box.
摘要翻译：提供背光单元的实施例。在一个示例中，背光单元包括导光器，其被配置为在位于光导的端部处的第一光接口处接收光，并且经由位于光导的表面处的第二光接口输出光，以及多个光源被配置为在第一光接口处将光注入光导中。示例性背光单元还包括被配置为从光导的第二光接口接收光的渐变折射率膜，在接收角度范围内使入射在渐变折射率膜上的接收光均匀化，并且不使入射在等级上的光均匀化从接受角度范围外的指纹膜，并将均匀化的光线引导到眼箱。

3. 发明申请

US20150293273A1 LAMINATED DIFFUSER 有权
标题翻译：层压差速器
公开(公告)号：US20150293273A1
公开(公告)日：2015-10-15
申请号：US14250308
申请日：2014-04-10
申请人： Microsoft Corporation
发明人： Liying Chen , Karlton David Powell
IPC分类号： G02B5/02 , G02B5/04 , G02B3/00
CPC分类号： G02B5/0278 , G02B5/0221 , G02B5/0231 , G02F2001/133607 , G02F2202/28 , G02F2203/03
摘要： Embodiments for optical diffusion devices are provided. In one example, an optical diffusion device comprises a first optical element including a first diffusing surface, a second optical element including a second diffusing surface, and an adhesive layer optically coupling the first diffusing surface to the second diffusing surface.
摘要翻译：提供了光扩散器件的实施例。在一个示例中，光学扩散装置包括第一光学元件，包括第一漫射表面，第二光学元件，包括第二漫射表面，以及粘合层，其将第一漫射表面与第二漫射表面光学耦合。

4. 发明申请

US20150199018A1 3D SILHOUETTE SENSING SYSTEM 有权
标题翻译： 3D SILHOUETTE感应系统
公开(公告)号：US20150199018A1
公开(公告)日：2015-07-16
申请号：US14154571
申请日：2014-01-14
申请人： Microsoft Corporation
发明人： David Kim , Shahram Izadi , Vivek Pradeep , Steven Bathiche , Timothy Andrew Large , Karlton David Powell
IPC分类号： G06F3/01 , G06K9/52 , H04N13/02 , H04N5/33 , G01B11/24 , G06K9/00
CPC分类号： G06F3/017 , G01B11/24 , G06F3/0325 , G06F3/0416 , G06F3/0421 , G06F3/0425 , G06K9/00355 , G06K9/00362 , G06K9/2036 , G06K9/4604 , G06K9/52 , H04N5/33 , H04N13/204
摘要： A 3D silhouette sensing system is described which comprises a stereo camera and a light source. In an embodiment, a 3D sensing module triggers the capture of pairs of images by the stereo camera at the same time that the light source illuminates the scene. A series of pairs of images may be captured at a predefined frame rate. Each pair of images is then analyzed to track both a retroreflector in the scene, which can be moved relative to the stereo camera, and an object which is between the retroreflector and the stereo camera and therefore partially occludes the retroreflector. In processing the image pairs, silhouettes are extracted for each of the retroreflector and the object and these are used to generate a 3D contour for each of the retroreflector and object.
摘要翻译：描述了包括立体相机和光源的3D轮廓感测系统。在一个实施例中，3D感测模块在光源照亮场景的同时触发立体摄像机拍摄图像对。可以以预定的帧速率捕获一系列图像对。然后分析每对图像以跟踪可以相对于立体相机移动的场景中的后向反射器，以及位于后向反射器和立体相机之间并因此部分遮挡后向反射器的物体。在处理图像对时，为后向反射器和对象中的每一个提取剪影，并且这些剪影用于为每个后向反射器和对象生成3D轮廓。

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