Title:
LIQUID CRYSTAL SHUTTER AND DRIVING METHOD THEREOF
Document Type and Number:
Japanese Patent JP3563233
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a liquid crystal shutter of high speed response and high contrast and the driving method of the liquid crystal shutter capable of halftone display.
SOLUTION: This liquid crystal shutter arranges a polarizer whose absorption axis is intersected at the angles of 80°-100° on a liquid crystal element having distortion larger than 180°, an angle made between the absorption axis 13 of a lower polarizer plate and the direction 12 of a middle liquid crystal is made to be in the range of ±40°-±50° and a quotient of the interval (d) between a first substrate and a second substrate divided by a twisted pitch P of the liquid crystal element d/P is set as 0.5-0.9. Δnd showing the birefringence is set as 600nm-900nm.
Inventors:
Yasushi Kaneko
Masaaki Matsunaga
Masaaki Matsunaga
Application Number:
JP11921997A
Publication Date:
September 08, 2004
Filing Date:
May 09, 1997
Export Citation:
Assignee:
CITIZEN WATCH CO.,LTD.
International Classes:
B41J2/445; G02F1/13; G02F1/133; G09G3/18; H04N1/00; (IPC1-7): G02F1/13; B41J2/445; G02F1/133; G09G3/18; H04N1/00
Domestic Patent References:
| JP62238525A | ||||
| JP4291224A | ||||
| JP6230750A |
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