| 摘要 |
PROBLEM TO BE SOLVED: To improve the contrast of a display picture further. SOLUTION: The screen 50 displaying a picture by receiving projected light is equipped with an external light synchronizing means for changing reflectance or transmittance in synchronization with the fluctuation of the light and darkness of external light and in a reverse phase to the external light. COPYRIGHT: (C)2005,JPO&NCIPI
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