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    • 3. 发明申请
    • ILLUMINATION DEVICE AND PROJECTION DISPLAY DEVICE
    • 照明装置和投影显示装置
    • US20110222023A1
    • 2011-09-15
    • US13114108
    • 2011-05-24
    • Michihiro OKUDA
    • Michihiro OKUDA
    • G03B21/14F21V8/00
    • G03B21/14G03B21/2013G03B21/208G03B33/12
    • An illumination device includes: a modulating portion which modulates light; a plurality of light source portions which is disposed in correspondence with a plurality of divided sections formed by dividing a light modulation area of the modulating portion; a light-guiding optical system which guides light from the plurality of light source portions to the plurality of corresponding divided sections; a power output adjustment portion which adjusts power outputs of the light source portions corresponding to the divided sections in accordance with image signals applied to the divided sections; and a modulation control portion which controls the modulating portion in accordance with power outputs of the light source portions and the image signals.
    • 照明装置包括:调制光的调制部; 多个光源部,其与通过分割调制部的光调制区域而形成的多个分割部对应地配置; 导光光学系统,其将来自所述多个光源部分的光引导到所述多个相应的分割部分; 功率输出调整部,其根据施加到所述分割部的图像信号调整与所述分割部对应的所述光源部的功率输出; 以及调制控制部分,其根据光源部分的功率输出和图像信号来控制调制部分。