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    • 9. 发明申请
    • LIGHT RECYCLING ILLUMINATION SYSTEMS HAVING RESTRICTED ANGULAR OUTPUT
    • 具有限制角输出的光回收照明系统
    • WO2006036587A3
    • 2006-07-06
    • PCT/US2005033054
    • 2005-09-16
    • GOLDENEYE INCBEESON KARLZIMMERMAN SCOTT
    • BEESON KARLZIMMERMAN SCOTT
    • F21V13/04F21V5/00F21V5/02
    • G02B17/04
    • This invention is an illumination system that incorporates a light emitting diode and a partially reflecting optical element. The light emitting diode emits internally generated light having a first angular range and reflects incident light with high reflectivity. The partially reflecting optical element transmits a first portion of the internally generated light with a second angular range, smaller than the first angular range, and reflects a second portion of the internally generated light back to the light emitting diode, where the second portion is reflected by the light emitting diode. The partially reflecting optical element can be a pyramid, an array of pyramids, a first and second orthogonal arrays of prisms or a bandpass filter. Utilizing a partially reflecting optical element and light recycling can increase the effective brightness and the output efficiency of the illumination system.
    • 本发明是一种结合有发光二极管和部分反射光学元件的照明系统。 发光二极管发射具有第一角度范围的内部产生的光并反射具有高反射率的入射光。 部分反射光学元件以小于第一角度范围的第二角度范围透射内部产生的光的第一部分,并且将内部产生的光的第二部分反射回到发光二极管,其中第二部分被反射 由发光二极管。 部分反射光学元件可以是金字塔,金字塔阵列,第一和第二正交棱镜阵列或带通滤波器。 利用部分反射光学元件和光回收可以增加照明系统的有效亮度和输出效率。
    • 10. 发明申请
    • PROJECTION DISPLAY SYSTEMS UTILIZING COLOR SCROLLING AND LIGHT EMITTING DIODES
    • 投影显示系统使用彩色滚动和发光二极管
    • WO2006009611A1
    • 2006-01-26
    • PCT/US2005/019781
    • 2005-06-06
    • GOLDENEYE, INC.BEESON, KarlZIMMERMAN, Scott
    • BEESON, KarlZIMMERMAN, Scott
    • G03B21/14
    • G03B33/10G03B21/2033G03B33/08H04N9/3117H04N9/315H04N9/3155
    • A projection display system has at least one light-recycling illumination system, a color scrolling means and an imaging light modulator. The light-recycling illumination system includes a light source that is enclosed within a light-recycling envelope. The light source is a light-emitting diode that emits light, and a fraction of that light will exit the light-­recycling envelope through an aperture. The light-recycling envelope recycles a portion of the light emitted by the light source back to the light source in order to enhance the luminance of the light exiting the aperture. The fraction of the light that exits the aperture is partially collimated and is directed to a color scrolling means. The color scrolling means scans the partially collimated light across the face of the imaging light modulator. The imaging light modulator spatially modulates the scrolled beam of light to form an image.
    • 投影显示系统具有至少一个光循环照明系统,彩色滚动装置和成像光调制器。 光循环照明系统包括封闭在光循环外壳内的光源。 光源是发光的发光二极管,并且该光的一部分将通过孔离开光循环外壳。 光循环膜将光源发射的光的一部分再循环回到光源,以便增强离开光圈的光的亮度。 离开孔径的光的一部分被部分准直,并被引导到彩色滚动装置。 彩色滚动装置扫描成像光调制器的面上的部分准直光。 成像光调制器空间调制滚动的光束以形成图像。