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    • 2. 发明授权
    • Optical display system including a light valve
    • 光学显示系统包括光阀
    • US06005722A
    • 1999-12-21
    • US148465
    • 1998-09-04
    • Mark M. ButterworthLaurence M. Hubby, Jr.
    • Mark M. ButterworthLaurence M. Hubby, Jr.
    • H04N9/31G02B3/02G02B27/10G03B21/00G03B21/14H04N9/12
    • H04N9/3114G02B13/22G02B26/008G02B27/286
    • An optical display system includes a light source, a color wheel, an optical train and a light valve. The optical train includes a diffuser element, a compound parabolic concentrator and an integrator. The diffuser element diffuses incoming light to fill in holes in cone half-angle distribution of light generated by the light source. The compound parabolic concentrator reduces the cone half-angle of the diffused light to a cone half-angle expected by the light valve. The integrator reduces hot spots in the diffused light. The color wheel may modulate optical path length of light traveling through the color wheel. Modulating the optical path length reduces coherence in the light generated by the light source. A color wheel that reduces coherence would allow the light source to be laser or LED-based. If the light valve is a ferroelectric light valve, the color wheel may include pairs of polarizers. Light is polarized in orthogonal directions by the polarizers in a pair. This allows all of the light to be used by the ferroelectric light valve during dc balancing.
    • 光学显示系统包括光源,色轮,光学列车和光阀。 光学系列包括漫射元件,复合抛物面聚光器和积分器。 扩散器元件扩散入射光以填充由光源产生的光的锥形半角分布中的孔。 复合抛物面聚光器将散射光的锥形半角减小到由光阀预期的锥形半角。 积分器减少漫射光中的热点。 色轮可以调制通过色轮行进的光的光程长度。 调制光程长度可减少由光源产生的光的相干性。 减少相干性的色轮将使光源成为激光或基于LED的。 如果光阀是铁电光阀,则色轮可以包括成对的偏振器。 光通过偏振器成对地在正交方向上偏振。 这允许在直流平衡期间所有的光被铁电光阀使用。
    • 5. 发明授权
    • See-through display
    • 透视显示
    • US08212744B2
    • 2012-07-03
    • US11491360
    • 2006-07-21
    • Huei Pei KuoLaurence M. Hubby, Jr.Steven L. NaberhuisHenryk Birecki
    • Huei Pei KuoLaurence M. Hubby, Jr.Steven L. NaberhuisHenryk Birecki
    • G09G5/00
    • G02B17/006
    • In a particular embodiment, a see-through display includes a screen having transparent layer of material with a front side and a back side. At least one plurality of shaped louver members is disposed between the front side and the back side. The plurality of the louver members allow transmission of a fraction of light through the screen with minimum scattering within a range of incident angles. The plurality of the louvers also redirect image signal light from an image source into a range of angles centered about a normal to the screen. The louver members combine the image signal light with the light emitted from background objects located on the backside of the screen. The background image light is transmitted through the display screen with minimal scattering. For embodiments providing two sets of louver members, the image signal light may be redirected to observers on either side of the screen, such that the observers may see each other as well as the intended image.
    • 在特定实施例中,透视显示器包括具有前侧和后侧的透明材料层的屏幕。 至少一个成形百叶窗构件设置在前侧和后侧之间。 多个百叶窗构件允许一定数量的光在入射角的范围内以最小的散射透过屏幕。 多个百叶窗还将来自图像源的图像信号光重定向到以屏幕垂直为中心的范围内。 百叶窗构件将图像信号光与位于屏幕背面的背景物体发出的光组合。 背景图像光通过显示屏以最小的散射传播。 对于提供两组百叶窗构件的实施例,图像信号光可以被重定向到屏幕两侧的观察者,使得观察者可以看到彼此以及期望的图像。
    • 9. 发明授权
    • Woven projection screen
    • 编织投影屏
    • US07554730B1
    • 2009-06-30
    • US11796945
    • 2007-04-30
    • Huei Pei KuoLaurence M. Hubby, Jr.Mark W. Van Order
    • Huei Pei KuoLaurence M. Hubby, Jr.Mark W. Van Order
    • G03B21/56G03B21/60
    • G03B21/56
    • A woven projection screen includes a viewing portion having a front side facing toward a viewing zone. The viewing portion includes a plurality of first filaments having asymmetric geometries in cross-section and having reflective surfaces for primarily reflecting an image signal light and a plurality of second filaments. The plurality of first filaments are interwoven with the plurality of second filaments, such that, the plurality of second filaments are configured to support the plurality of first filaments in a manner that causes the reflective surfaces to be positioned to redirect the image signal light into a range of angles toward the viewing zone.
    • 编织投影屏幕包括具有朝向观察区的前侧的观察部分。 观察部分包括具有横截面不对称几何的多个第一细丝,并且具有用于主要反射图像信号光和多个第二细丝的反射表面。 所述多个第一细丝与所述多个第二细丝交织,使得所述多个第二细丝被配置为以使得所述反射表面被定位成将所述图像信号光重定向到所述多个第一细丝的方式来支撑所述多个第一细丝 朝向观察区的角度范围。