Variable intensity high contrast passive display
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United States of America Patent
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Feb 10, 1998
Grant Date -
N/A
app pub date -
Nov 16, 1995
filing date -
Jan 25, 1994
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A display includes a light modulator, a source of light, and a control for controlling the intensity of light from the source supplied to the light modulator thereby to provide images of good contrast for both bright and dark scenes. A method of displaying an image using a passive light modulating display apparatus includes controlling the intensity of light illuminating the display apparatus as a function of a brightness characteristic of the image.
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