OPTICAL DEVICE

PURPOSE:To effectively utilize the characteristics of a ferroelectric liquid crystal which is extremely high in response speed and can be driven at a video rate, to well maintain the orientability of liquid crystal molecules, to improve a switching state by an effect of an electric field and, theref...

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Bibliographic Details
Main Authors KATAOKA NOBUE, TAKANASHI HIDEHIKO, YOU EIHO, NITO KEIICHI, YASUDA AKIO, MATSUI ERIKO, HIDE SHICHIYOU
Format Patent
LanguageEnglish
Published 31.01.1995
Edition6
Subjects
DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
FREQUENCY-CHANGING
NON-LINEAR OPTICS
OPTICAL ANALOGUE/DIGITAL CONVERTERS
OPTICAL LOGIC ELEMENTS
OPTICS
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Summary:PURPOSE:To effectively utilize the characteristics of a ferroelectric liquid crystal which is extremely high in response speed and can be driven at a video rate, to well maintain the orientability of liquid crystal molecules, to improve a switching state by an effect of an electric field and, therefore, to realize a good wobbling effect (to enhance the resolution of a display element, image pickup element, etc., or to improve display performance, image pickup performance, etc.). CONSTITUTION:Ferroelectric liquid crystals, etc., are used as the liquid crystals 15 of a liquid crystal element 3 to be used for wobbling and specific oriented films consisting of polyimide films or diagonally vapor deposited silicon oxide films are formed as the liquid crystal oriented films. The liquid crystal element 3 for wobbling, of which the contrast is held at >=+ or -50%, the cone angle within + or -20 deg., the change rate of the double refractive quantity within + or -50%, the change rate of the pretilt angle within + or -50% or the change rate of the inclination angle of layer within + or -50% as compared with before impartation of the impact of >=10G acceleration or random waves or sin wave vibrations which can be generated generally at the time of transportation or use, etc., in the case of such impartation is obtd.
Bibliography:Application Number: JP19930194253