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    • 1. 发明申请
    • DISPLAY APPARATUS USING LCD PANEL
    • 使用液晶面板的显示设备
    • WO2006118905A2
    • 2006-11-09
    • PCT/US2006/015815
    • 2006-04-26
    • EASTMAN KODAK COMPANYSILVERSTEIN, Barry, D.COBB, Joshua, MonroeKESSLER, David
    • SILVERSTEIN, Barry, D.COBB, Joshua, MonroeKESSLER, David
    • H04N9/31G02F1/1335
    • H04N9/315G02F1/1362H04N9/3105H04N9/3114H04N9/3117
    • A projection apparatus (10) has an illumination section with a light source (20) providing a substantially unpolarized illumination beam of multiple wavelengths. A multiple wavelength polarizer polarizes the substantially unpolarized illumination beam to provide a substantially polarized illumination beam of multiple wavelengths. A uniformizer conditions the substantially polarized illumination beam of multiple wavelengths to provide a uniformized polarized beam of multiple wavelengths. A color scrolling element provides a repeating, scrolled sequence of colors from a set of colors, thereby providing first, second, and third component wavelength illumination. A component wavelength modulating section accepts the sequence of first, second, and third component wavelength illumination from the color scrolling element and sequentially modulates the first, second, and third component wavelength illumination at a transmissive liquid crystal modulator panel (118) to provide a modulated component wavelength beam to a lens for projection toward a display surface (40).
    • 投影装置(10)具有带有光源(20)的照明部分,其提供多个波长的基本上非偏振的照明光束。 多波长偏振器使基本上非偏振的照明光束偏振,以提供多个波长的基本偏振的照明光束。 均匀化器调节多个波长的基本偏振的照明光束以提供多个波长的均匀化的偏振光束。 颜色滚动元件从一组颜色提供重复的,滚动的颜色序列,从而提供第一,第二和第三分量波长照明。 分量波长调制部分从彩色滚动元件接收第一,第二和第三分量波长照明的顺序,并且在透射型液晶调制器面板(118)上依次调制第一,第二和第三分量波长照明,以提供调制 分量波长束到透镜,用于向显示表面(40)突出。
    • 10. 发明申请
    • PROJECTION DISPLAY SURFACE PROVIDING SPECKLE REDUCTION
    • 投影显示表面提供减少光斑
    • WO2011159588A1
    • 2011-12-22
    • PCT/US2011/040118
    • 2011-06-13
    • EASTMAN KODAK COMPANYSILVERSTEIN, Barry, D.MARCUS, Michael, AlanKURTZ, Andrew, F.
    • SILVERSTEIN, Barry, D.MARCUS, Michael, AlanKURTZ, Andrew, F.
    • H04N9/31G03B21/56G03B21/60
    • H04N9/3132G03B21/60G03B33/16
    • A projection display surface for reducing speckle artifacts from a projector having at least one narrow band light source having an incident visible wavelength band, wherein the incident visible wavelength band has an incident peak wavelength and an incident bandwidth, comprising: a substrate having a reflective layer that reflects incident light over at least the incident visible wavelength band; and a fluorescent agent distributed over the reflective layer, wherein the fluorescent agent absorbs a fraction of the light in the incident visible wavelength band and emits light in an emissive visible wavelength band having an emissive peak wavelength and an emissive bandwidth; wherein return light from the projection display surface produced when incident light in the incident visible wavelength band is incident on the projection display surface contains light in both the incident visible wavelength band and emissive visible wavelength band, thereby reducing speckle artifacts.
    • 一种投影显示表面,用于减少具有入射可见波长带的至少一个窄带光源的投影仪的散斑伪像,其中入射的可见波长带具有入射峰值波长和入射带宽,包括:具有反射层 至少反射入射可见波长带的入射光; 以及分布在所述反射层上的荧光剂,其中所述荧光剂吸收所述入射可见波长带中的一部分光并发射具有发射峰值波长和发射带宽的发射可见光波长带中的光; 其中,当入射到所述投影显示面上的入射光入射到所述投影显示面上时,来自所述投影显示面的返回光包含入射的可见波长带和发光可见波长带中的光,从而减少斑点伪像。