Liquid crystal display with pixel shape same as image of light s

Optical: systems and elements – Holographic system or element – Using a hologram as an optical element

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359 41, 359 42, 359 49, G02F 11335

Patent

active

054556945

ABSTRACT:
A liquid crystal display includes an illumination optical system which has a light source of emitting source on a light valve on which an optical image is formed in accordance with a video signal. A transmission-type liquid crystal display element is used to display the image information by the electrooptical effect of the liquid injected between a pair of transparent substrates of the light valve. The liquid crystal display element is formed of a micro-lens array which has unit lenses provided to oppose the respective picture elements of the picture element array of the liquid crystal and thus to have the same array as the picture element array of the liquid crystal. The micro-lens array is proximate to the side of liquid crystal display element to which the luminous flux emitted from the light source is incident, or integrally formed within the liquid crystal cell substrate so that the liquid crystal display element has a high aperture ratio. The light source or the concave mirror is shaped similar to the shape of the aperture of the liquid crystal display element.

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