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    • 9. 发明授权
    • Illumination device and liquid crystal display apparatus including same
    • 照明装置和包括其的液晶显示装置
    • US5796450A
    • 1998-08-18
    • US571545
    • 1995-12-13
    • Toshiyuki KandaHiroshi TakabayashiYoshihiro Onitsuka
    • Toshiyuki KandaHiroshi TakabayashiYoshihiro Onitsuka
    • F21V7/00F21V8/00G02B6/00G02F1/1335
    • G02B6/0061F21V7/00G02B6/0043
    • An illumination device includes a plurality of linear light sources disposed with a prescribed spacing therebetween, a light guide means disposed between or among the linear light sources, and a reflection means disposed behind the light guide means so that light issued from the linear light sources is transmitted through the light guide means and reflected by the reflection means to be emitted in a direction forward from the light guide means. Further, a luminance distribution-adjusting means for reflecting light transmitted through the light guide means is disposed along the light guide means in a disribuption density which varies continuously at a changing rate free from discontinuity so as to adjust the luminance distribution of the light emitted in the direction forward from the light guide means. The illumination device may be suitably used as a backlight behind a liquid crystal panel to provide a liquid crystal display apparatus having improved display qualities.
    • 照明装置包括以规定间隔设置的多个线状光源,设置在线状光源之间或之间的导光装置,以及设置在导光装置的后方的反射装置,使得从线状光源发出的光为 通过导光装置透射并被反射装置反射,以沿着从导光装置向前的方向发射。 此外,用于反射透射导光装置的光的亮度分布调节装置沿着导光装置以不受间断变化的速率连续变化的分散密度设置,以便调节发射的光的亮度分布 从光导装置向前方的方向。 照明装置可以适当地用作液晶面板背后的背光,以提供具有改进的显示质量的液晶显示装置。