Liquid crystal display element and micro-lens arrangement and a display using the same
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United States of America Patent
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Nov 4, 1997
Grant Date -
N/A
app pub date -
Jun 6, 1995
filing date -
Mar 14, 1991
priority date (Note) -
Reissued
status (Latency Note)
Importance
Abstract
A liquid crystal display includes an illumination optical system which has a light source for emitting light and acts to irradiate the light from the light source on a light bulb on which an optical image is formed in accordance with a video signal, and a transmission-type liquid crystal display element for displaying the image information by the electrooptical effect of the liquid injected between a pair of transparent substrates of the light bulb. 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. Since this micro-lens array is closely attached 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, the liquid crystal display element has a high aperture ratio.
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