Image display apparatus
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United States of America Patent
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Nov 24, 2009
Issued Date -
N/A
app pub date -
Feb 20, 2004
filing date -
Mar 20, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention is intended to change the viewing angle in accordance with a viewer's intention. Disposed between a light source (810) and a liquid crystal display panel (804), a Fresnel lens (812) converts light coming from the light source (810) to approximately parallel light and allows plural images to be displayed to different positions. The light source (810) is configured in such a manner that lighting positions and lighting regions can be changed. Lighting control means for changing the lighting positions or lighted regions of the light sources (810) is provided.
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