Transparency viewing device comprising passive matrix LCD
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United States of America Patent
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-
Nov 10, 1998
Issued Date -
N/A
app pub date -
May 28, 1996
filing date -
Nov 28, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A transparency viewing device including a faceplate adapted for mounting at least one transparency thereon, an LCD array having a given chromaticity underlying the faceplate, a source of backlighting for the LCD array having a variable chromaticity and a controller which controls the chromaticity of the backlighting source based on the chromaticity of the light passing through the film and the LCA.
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Family
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Cited Art Landscape
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