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    • 1. 发明授权
    • Light emitting system
    • 发光系统
    • US07771084B2
    • 2010-08-10
    • US12146600
    • 2008-06-26
    • Chien-Chin HsiungKeng-Hui LinWen-Lang HungWei-Hsiang PengChao-Yang KeYi-Chung Hung
    • Chien-Chin HsiungKeng-Hui LinWen-Lang HungWei-Hsiang PengChao-Yang KeYi-Chung Hung
    • F21V21/26G03B21/32
    • G02B3/0056G02B27/48H01S3/005
    • A light emitting system is disclosed, including a light generator, a complex lens and an activating unit. The light generator provides a light beam emitted in a first direction in parallel to an optic axis. The complex lens, disposed on a path of the light beam, includes a plurality of micro structures for refracting the light beam. The activating unit includes an activating member coupled to the complex lens. The activating member activates the complex lens with an activation frequency to reciprocally move in a second direction alternate to the first direction. By the disposition of the complex lens, the energy of the light beam is uniformly distributed. Additionally, speckle produced by the light beam is reciprocally moved within an area by the activating unit, creating a photogene reaction, to successfully eliminate existence of the speckle.
    • 公开了一种发光系统,包括光发生器,复合透镜和激活单元。 光发生器提供沿与光轴平行的第一方向发射的光束。 设置在光束路径上的复透镜包括用于折射光束的多个微结构。 激活单元包括耦合到复合透镜的激活构件。 激活构件以激活频率激活复合透镜,以在与第一方向交替的第二方向上往复移动。 通过配置复合透镜,光束的能量均匀分布。 此外,由光束产生的散斑通过激活单元在一个区域内相互移动,产生光反应,从而成功地消除斑点的存在。
    • 6. 发明授权
    • Liquid crystal projection system
    • 液晶投影系统
    • US07883213B2
    • 2011-02-08
    • US11756472
    • 2007-05-31
    • Chien-Chih HsiungKeng-Hui LinTsi-Lung WuWen-Lang Hung
    • Chien-Chih HsiungKeng-Hui LinTsi-Lung WuWen-Lang Hung
    • G03B21/14
    • G03B21/14G03B21/2033G03B21/2066G03B21/2073
    • A liquid crystal projection system (70) includes a light source (50) for emitting a white light beam of three primary colors, a polarizer (51) for polarizing the white light beam, a separating mirror (52), first and second reflecting mirrors (53, 54), first and second polarization separators (56, 57), a half-wave plate (55), a color separator (58), image modulation devices (60R, 60G, 60B) and a projection lens (59). The separating mirror splits the incident polarized white light beam into two sets of polarized light beams, a monochromatic light beam and a bichromatic light beam that are respectively output to the first and second reflecting mirrors (53, 54). The polarized monochromatic light beam is reflected by the first reflecting mirror, transformed to a light beam with reversed polarization by the half-wave plate, and output to the first polarization separator. The polarized bichromatic light beam is reflected by the second reflecting mirror to the second polarization separator for polarization splitting, and then transmitted to the color separator for separating the two primary colors. The image modulation devices are arranged on sides of the first polarization separator and the color separator for respectively transforming and modulating the incident monochromatic and bichromatic light beams. The projection lens is disposed on one side of the second polarization separator.
    • 液晶投影系统(70)包括用于发射三原色白光的光源(50),用于偏振白光束的偏振器(51),分离镜(52),第一和第二反射镜 (53,54),第一和第二偏振分离器(56,57),半波片(55),分色器(58),图像调制装置(60R,60G,60B)和投影透镜(59) 。 分离镜将入射偏振白光束分成两组偏振光束,分别输出到第一和第二反射镜(53,54)的单色光束和双色光束。 偏振单色光束被第一反射镜反射,通过半波片转换为具有反极化的光束,并输出到第一偏振分离器。 偏振双色光束被第二反射镜反射到第二偏振分离器进行偏振分离,然后传输到颜色分离器以分离两种原色。 图像调制装置布置在第一偏振分离器和颜色分离器的侧面上,用于分别变换和调制入射的单色和双色光束。 投影透镜设置在第二偏振分离器的一侧。
    • 7. 发明申请
    • LIQUID CRYSTAL PROJECTION SYSTEM WITH IMPROVED IMAGE PERFORMANCE
    • 具有改进图像性能的液晶投影系统
    • US20080036970A1
    • 2008-02-14
    • US11689908
    • 2007-03-22
    • Chien-Chih HsiungKeng-Hui LinTsi-Lung WuWen-Lang Hung
    • Chien-Chih HsiungKeng-Hui LinTsi-Lung WuWen-Lang Hung
    • G03B21/14
    • G03B21/208G03B21/2073G03B33/12
    • A liquid crystal projection system (70) includes a light source (50) for emitting a white light beam of three primary colors, a polarizer (51) for polarizing the white light beam, a separating mirror (52), first and second reflecting mirrors (53, 54), first and second polarization separators (56, 57), a half-wave plate (55), a color separator (58), an image modulation device (60R, 60G, 60B) and a projection lens (59). The first polarization separator, the second polarization separator and the color separator are combined together as a unit. The half-wave plate is positioned between the first and second polarization separators. The image modulation device is arranged on sides of the first polarization separator and the color separator. The projection lens is disposed on one side of the second polarization separator. Both monochromatic and bichromatic light beams from the separating mirror are respectively incident into the first and second polarization separators in an S-polarization state.
    • 液晶投影系统(70)包括用于发射三原色白光的光源(50),用于偏振白光束的偏振器(51),分离镜(52),第一和第二反射镜 (53,54),第一和第二偏振分离器(56,57),半波片(55),分色器(58),图像调制装置(60R,60G,60B)和投影 透镜(59)。 第一偏振分离器,第二偏振分离器和颜色分离器作为一个单元组合在一起。 半波片位于第一和第二偏振分离器之间。 图像调制装置布置在第一偏振分离器和分色器的侧面上。 投影透镜设置在第二偏振分离器的一侧。 来自分离镜的单色和双色光束分别以S偏振态入射到第一和第二偏振分离器中。
    • 8. 发明申请
    • LIQUID CRYSTAL PROJECTION SYSTEM
    • 液晶投影系统
    • US20070285622A1
    • 2007-12-13
    • US11756472
    • 2007-05-31
    • Chien-Chih HsiungKeng-Hui LinTsi-Lung WuWen-Lang Hung
    • Chien-Chih HsiungKeng-Hui LinTsi-Lung WuWen-Lang Hung
    • G03B21/14
    • G03B21/14G03B21/2033G03B21/2066G03B21/2073
    • A liquid crystal projection system (70) includes a light source (50) for emitting a white light beam of three primary colors, a polarizer (51) for polarizing the white light beam, a separating mirror (52), first and second reflecting mirrors (53, 54), first and second polarization separators (56, 57), a half-wave plate (55), a color separator (58), image modulation devices (60R, 60G, 60B) and a projection lens (59). The separating mirror splits the incident polarized white light beam into two sets of polarized light beams, a monochromatic light beam and a bichromatic light beam that are respectively output to the first and second reflecting mirrors (53, 54). The polarized monochromatic light beam is reflected by the first reflecting mirror, transformed to a light beam with reversed polarization by the half-wave plate, and output to the first polarization separator. The polarized bichromatic light beam is reflected by the second reflecting mirror to the second polarization separator for polarization splitting, and then transmitted to the color separator for separating the two primary colors. The image modulation devices are arranged on sides of the first modulating the incident monochromatic and bichromatic light beams. The projection lens is disposed on one side of the second polarization separator.
    • 液晶投影系统(70)包括用于发射三原色白光的光源(50),用于偏振白光束的偏振器(51),分离镜(52),第一和第二反射镜 (53,54),第一和第二偏振分离器(56,57),半波片(55),分色器(58),图像调制装置(60R,60G,60B)和投影透镜 (59)。 分离镜将入射偏振白光束分成两组偏振光束,分别输出到第一和第二反射镜(53,54)的单色光束和双色光束。 偏振单色光束被第一反射镜反射,通过半波片转换为具有反极化的光束,并输出到第一偏振分离器。 偏振双色光束被第二反射镜反射到第二偏振分离器进行偏振分离,然后传输到颜色分离器以分离两种原色。 图像调制装置布置在第一调制入射单色和双色光束的侧面上。 投影透镜设置在第二偏振分离器的一侧。