Ferroelectric liquid crystal apparatus having a threshold voltage greater than the polarization value divided by the insulating layer capacitance

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United States of America Patent

PATENT NO 5479283
SERIAL NO

08320526

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A liquid crystal element includes a liquid crystal exhibiting spontaneous polarization, a pair of electrode substrates for sandwiching the liquid crystal therebetween, and insulating layers formed between the electrode substrates and the liquid crystal. A spontaneous polarization P.sub.s value, in nC/cm.sup.2, of the liquid crystal, an interelectrode composite capacitance Ci, in nF/cm.sup.2, of the insulating layers, and a voltage threshold value Vth, in volts, of optical response of the liquid crystal in the liquid crystal element satisfy the following condition: ##EQU1##

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Patent Owner(s)

Patent OwnerAddress
CANON KABUSHIKI KAISHAJAPAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujiwara, Ryoji Chigasaki, JP 36 428
Kaneko, Shuzo Yokohama, JP 76 1357
Maruyama, Tomoko Isehara, JP 59 383
Yoshida, Akio Hiratsuka, JP 110 1369

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