作者: Akihiro Sugiyama , Shinichi Tsukada , Tsutomu Wakabayashi
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摘要: An LCD illuminating device is equipped with a light guide for guiding from LEDs illumination to display panel, and illuminates segments on the panel when subject image dark. The comprises reflecting surfaces of which are parabolic in shape. located substantially at focal points so that segment diffusing state can be illuminated bright uniform manner.