Optical: systems and elements – Holographic system or element – Using a hologram as an optical element
Patent
1993-03-16
1994-06-14
Gross, Anita P.
Optical: systems and elements
Holographic system or element
Using a hologram as an optical element
359 78, 359100, G02F 11337, G02F 113
Patent
active
053215370
ABSTRACT:
A liquid crystal device comprising a first substrate on which a first group of belt-shaped electrodes are formed, a second substrate on which a second group of belt-shaped electrodes are formed so as to cross the first group of belt-shaped electrodes, and a chiral smectic liquid crystal arranged between the first and second substrates. A first pretilt angle of the liquid crystal on the first group of belt-shaped electrodes differs from a second pretilt angle of the liquid crystal in the spaces among the belt-shaped electrodes. The difference in pretilt angles is created by forming a resist over the spaces between the belt-shaped electrodes, rubbing, removing the resist, and rubbing again.
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Inaba Yutaka
Mizuno Hironobu
Okada Shinjiro
Taniguchi Osamu
Canon Kabushiki Kaisha
Gross Anita P.
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