Importance

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Abstract

White light projected from a white light source is divided into three light beams of primary colors, i.e., red, green and blue by a dichroic mirror. Three light beams projected from the dichroic mirror are made incident upon a micro-lens array and reflected on and modulated in a liquid crystal panel disposed beneath the micro-lens array. The liquid crystal panel is driven by a driver circuit which supplies color signals to the panel, thereby modulating the light beams in the panel. The modulated light beams are projected from the micro-lens array to a schlieren diaphragm which eliminates scattered light components from the light beams. The light beams then enter into a projection lens and display color images on the screen. Since light beams constituting a picture element consisting of red, green and blue colors are projected from a single micro-lens of the micro-lens array, a color image displayed on the screen has no blur among three primary colors. Since the three primary color beams are projected on the liquid crystal panel and modulated therein, only a single liquid crystal panel having no color filters is used in the display device.

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First Claim