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    • 4. 发明授权
    • Raster scanning-type display device using diffractive optical modulator
    • 使用衍射光学调制器的光栅扫描型显示装置
    • US07495814B2
    • 2009-02-24
    • US11433636
    • 2006-05-12
    • Sang Kyeong YunHaeng Seok Yang
    • Sang Kyeong YunHaeng Seok Yang
    • G02B26/08
    • G02B26/0808G09G3/02
    • Disclosed herein is a raster scanning-type display device using a diffractive optical modulator. The raster scanning-type display device includes an optical illumination unit, a diffractive optical modulator, and a projection unit. The optical illumination unit radiates light, which is emitted from a light source, in a spot beam form. The diffractive optical modulator causes an element to modulate the spot beam incident from the optical illumination unit, and generate diffracted light whose intensity is adjusted and which has a plurality of diffraction orders. The projection unit generates an image by projecting the diffracted light incident from the diffractive optical modulator onto a screen in a scanning spot beam form and performing raster scanning in which horizontal scanning and vertical scanning are alternated.
    • 这里公开了使用衍射光学调制器的光栅扫描型显示装置。 光栅扫描型显示装置包括光学照明单元,衍射光学调制器和投影单元。 光照射单元以光束形式照射从光源发射的光。 衍射光学调制器使元件调制从光学照明单元入射的点光束,并产生其强度被调整并且具有多个衍射级的衍射光。 投影单元通过将从衍射光学调制器入射的衍射光以扫描点波束形式投影到屏幕上并执行水平扫描和垂直扫描交替的光栅扫描来生成图像。
    • 9. 发明授权
    • Color display device using dichroic filter
    • 彩色显示设备使用二向色滤光片
    • US07213921B2
    • 2007-05-08
    • US11157484
    • 2005-06-21
    • Haeng Seok YangDong Ho ShinKwan Young OhJun Won AnSang Kyeong Yun
    • Haeng Seok YangDong Ho ShinKwan Young OhJun Won AnSang Kyeong Yun
    • G03B21/26G03B21/14G02B27/10G02B27/42G02B5/18
    • G03B33/12G03B21/142G03B21/2066G03B21/208H04N9/3105
    • A color display device is disclosed. The color display device includes an illumination lens system, a diffractive light modulation system, a combining system, a Fourier filter system, and a projection system. The illumination lens system converts a plurality of light beams into linear parallel light beams. The diffractive light modulation system produces a plurality of diffracted light beams having a plurality of diffraction orders by modulating each of the plurality of parallel light beams that are almost perpendicularly incident from the illumination lens system, The combining system focuses the plurality of diffracted light beams having the plurality of diffraction orders. The Fourier filter system selects diffracted light beams having desired diffraction orders using a dichroic filter. The projection system focuses the diffracted light beams on an object, and allowing the focused diffracted light beams to scan the object.
    • 公开了彩色显示装置。 彩色显示装置包括照明透镜系统,衍射光调制系统,组合系统,傅立叶滤波器系统和投影系统。 照明透镜系统将多个光束转换为线性平行光束。 衍射光调制系统通过调制从照明透镜系统几乎垂直入射的多个平行光束中的每一个产生具有多个衍射级数的多个衍射光束。组合系统将具有多个衍射光束的多个衍射光束聚焦在具有 多个衍射指令。 傅立叶滤波器系统使用二向色滤光器选择具有期望的衍射级的衍射光束。 投影系统将衍射光束聚焦在物体上,并允许聚焦的衍射光束扫描物体。