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    • 4. 发明授权
    • Laser projection display system
    • 激光投影显示系统
    • US06577429B1
    • 2003-06-10
    • US10050003
    • 2002-01-15
    • Andrew F. KurtzBrian E. KruschwitzSujatha Ramanujan
    • Andrew F. KurtzBrian E. KruschwitzSujatha Ramanujan
    • G02F101
    • H04N9/3132G02B27/48
    • A display apparatus includes a laser light source for emitting a light beam having a coherence length; a beam expander for expanding the light beam; a spatial light modulator; beam shaping optics for shaping the expanded laser beam to provide uniform illumination of the spatial light modulator, the beam shaping optics including a fly's eye integrator having an array of lenslets; a diffuser located in the light beam between the laser light source and the beam shaping optics; an electrically controllable de-speckling modulator for modifying the temporal and spatial phase of the light beam; and a projection lens for producing an image of the spatial light modulator on a distant screen.
    • 显示装置包括用于发射具有相干长度的光束的激光光源; 用于扩展光束的光束扩展器; 空间光调制器; 光束整形光学器件,用于使扩展的激光束成形以提供空间光调制器的均匀照明,所述光束整形光学器件包括具有透镜阵列的蝇眼积分器; 位于激光光源和光束整形光学器件之间的光束中的扩散器; 用于修改光束的时间和空间相位的电可控去斑调制器; 以及用于在遥控屏幕上产生空间光调制器的图像的投影透镜。
    • 9. 发明授权
    • Low thermal stress catadioptric imaging system
    • 低热应力反射折射成像系统
    • US08786943B2
    • 2014-07-22
    • US13282503
    • 2011-10-27
    • Barry David SilversteinJoseph Raymond BietryAndrew F. KurtzRobert J. Metzger
    • Barry David SilversteinJoseph Raymond BietryAndrew F. KurtzRobert J. Metzger
    • G02B17/08
    • G02B7/028G02B13/16G02B17/008
    • An imaging system having reduced susceptibility to thermally-induced stress birefringence comprising relay optics and projection optics. One of either the relay optics or the projection optics is a reflective optical system that includes reflective optical elements, and the other is a refractive optical system having a negligible or low susceptibility to thermal stress birefringence. The refractive optical system includes: a first group of refractive lens elements located upstream from an aperture stop, and a second group of refractive lens elements located downstream from the aperture stop. The refractive lens elements in the first and second groups that are immediately adjacent to the aperture stop are fabricated using optical materials having a negligible susceptibility to thermal stress birefringence, and the other refractive lens elements in the first and second groups are fabricated using optical materials having at most a moderate susceptibility to thermal stress birefringence.
    • 具有降低的对热诱导应力双折射敏感性的成像系统,包括中继光学器件和投影光学元件。 中继光学器件或投影光学器件中的一个是包括反射光学元件的反射光学系统,另一个是对热应力双折射具有可忽略或低的敏感性的折射光学系统。 折射光学系统包括:位于孔径光阑上游的第一组折射透镜元件和位于孔径光阑下游的第二组折射透镜元件。 第一组和第二组中紧邻孔径光阑的折射透镜元件使用对热应力双折射具有可忽略的敏感性的光学材料制造,并且第一和第二组中的其它折射透镜元件使用具有 最多是对热应力双折射的适度敏感性。
    • 10. 发明申请
    • DISPLAY SYSTEM PROVIDING OBSERVER METAMERIC FAILURE REDUCTION
    • 显示系统提供观察组件故障减少
    • US20140028699A1
    • 2014-01-30
    • US13559651
    • 2012-07-27
    • Andrew F. KurtzElena A. FedorovskayaThomas O. Maier
    • Andrew F. KurtzElena A. FedorovskayaThomas O. Maier
    • G09G5/02
    • G01J3/465G09G3/001G09G5/02G09G2340/06H04N9/3161H04N9/3182H04N9/67
    • A color display system providing reduced observer metameric failure for a set of target observers, comprising an image forming system having narrow-band primaries. A data processing system is used to implement a method for color correcting an input color image having input color values adapted for display on a reference display device having a plurality of input color primaries. A metamerism correction transform is applied to the input color image to determine an output color image having output color values in an output color space appropriate for display on the image forming system. The metamerism correction transform modifies colorimetry associated with the input colors to provide output color values such that an average observer metameric failure is reduced for a distribution of target observers.
    • 一种彩色显示系统,为一组目标观察者提供减少的观察者同种异体故障,包括具有窄带原色的图像形成系统。 使用数据处理系统来实现一种用于对具有适于在具有多个输入颜色基色的参考显示装置上显示的输入颜色值的输入彩色图像进行颜色校正的方法。 将同色异谱校正变换应用于输入彩色图像,以确定在适于显示在图像形成系统上的输出颜色空间中具有输出颜色值的输出彩色图像。 同色异谱校正变换修改与输入颜色相关联的比色法以提供输出颜色值,使得针对目标观察者的分布减少平均观察者同子异常故障。