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    • 2. 发明授权
    • Polarization beam splitter and optical system
    • 偏振分束器和光学系统
    • US08164716B2
    • 2012-04-24
    • US12724644
    • 2010-03-16
    • Chien-Tang WangKuan-Hsu Fan-ChiangYen-Chen Chen
    • Chien-Tang WangKuan-Hsu Fan-ChiangYen-Chen Chen
    • G02F1/13
    • G02B27/283G02B5/3016
    • A polarization beam splitter (PBS) includes a first prism, a second prism, an alignment layer, and a cholesteric liquid crystal (CLC) layer. The first prism has two first surfaces adjacent to each other and a first slanted surface that forms a first included angle with the two first surfaces, respectively. The second prism has two second surfaces adjacent to each other and a second slanted surface that forms a second included angle with the two second surfaces, respectively. The second slanted surface is opposite to the first slanted surface. The alignment layer is disposed on the first slanted surface of the first prism. The CLC layer is disposed between the alignment layer and the second slanted surface of the second prism.
    • 偏振分束器(PBS)包括第一棱镜,第二棱镜,取向层和胆甾型液晶(CLC)层。 第一棱镜具有彼此相邻的两个第一表面和分别与两个第一表面形成第一夹角的第一倾斜表面。 第二棱镜具有彼此相邻的两个第二表面和分别与两个第二表面形成第二夹角的第二倾斜表面。 第二倾斜表面与第一倾斜表面相对。 对准层设置在第一棱镜的第一倾斜表面上。 CLC层设置在对准层和第二棱镜的第二倾斜表面之间。
    • 7. 发明申请
    • Illumination system of LED for projection display
    • LED投影显示照明系统
    • US20090040463A1
    • 2009-02-12
    • US12010355
    • 2008-01-24
    • Chun-Min ChenKuan-Hsu Fan-ChiangYen-Chen Chen
    • Chun-Min ChenKuan-Hsu Fan-ChiangYen-Chen Chen
    • F21V21/28F21V14/00
    • G03B21/2033G03B21/2013G03B21/208G03B33/12H04N9/315
    • An illumination device and a projection system using the same are provided. The illumination device comprises a first light source module, a second light source module and a dichroic element. The first light source module comprises a first carrying board and a plurality of first light-emitting units disposed thereon for providing a first light beam. The second light source module comprises a second carrying board and a plurality of second and third light-emitting units disposed thereon for providing a second light beam. The dichroic element has a first side, a second side and a light output side. The first and the second light source modules are respectively optically aligned with the first side and the second side of the dichroic element, wherein the dichroic element provides a third light beam to the light output side by chromatically combining the first light beam and the second light beam.
    • 提供照明装置和使用其的投影系统。 照明装置包括第一光源模块,第二光源模块和二向色元件。 第一光源模块包括第一承载板和设置在其上的用于提供第一光束的多个第一发光单元。 第二光源模块包括第二承载板和设置在其上的用于提供第二光束的多个第二和第三发光单元。 二向色元件具有第一侧,第二侧和光输出侧。 第一和第二光源模块分别与二向色元件的第一侧和第二侧光学对准,其中二向色元件通过将第一光束和第二光束进行彩色组合而向光输出侧提供第三光束 光束。