Liquid crystal cell which can have a homeotropic structure with compensated birefringence of said structure
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United States of America Patent
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Oct 20, 1987
Grant Date -
N/A
app pub date -
May 16, 1985
filing date -
May 18, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Liquid crystal cell having a homeotropic structure, with compensated birefringence for said structure. The cell comprises a liquid crystal layer which can have a hometropic structure and electrodes located on either side of the layer and whereof at least one is transparent. It also comprises means for compensating the birefringence of the liquid crystal layer in its homeotropic structure, so that the cell has a high contrast for said structure, in the case of an oblique observation made in a given observation plane. Application to the construction of data display means.
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