Polychrome screen
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United States of America Patent
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May 14, 1991
Grant Date -
N/A
app pub date -
Jan 8, 1990
filing date -
Jul 7, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a polychrome screen comprising alternating regions (40A, 40B) of a first (A) and a second (B) dichroic display materials placed between first and second insulating walls (31, 33) and alternating regions (42B, 42C) of a second (B) and a third (C) dichroic display materials placed between the second and third insulating walls (33, 35); each region of the first material of the first layer being superimposed both on a region of the second material of the second layer and part of a region of the third material of the second layer and each region of the second material of the first layer is superimposed on the other part of the region of the third material of the second layer. The present invention more particularly applies to polychrome display cells with liquid crystals, such as those of the nematic or ferroelectric type, using both a multiplexed and non-multiplexed display mode.
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