Abstract
The super twisted nematic liquid crystal is applied to spatial light modulators. This liquid crystal has very steep threshold characteristics. These spatial light modulators work well even if the photoconductive layer is as thin as 1 µm. This is in contrast to conventional ones which require a thick photoconductive layer (>10 µm). Sensitivity is significantly increased (2 µW/cm2 at 50 Hz operation). This spatial light modulator is applied to a projection display. Images of objects illuminated by the fluorescent lamp can be passed through a lens, and large images are projected onto screens.
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