Liquid crystal device

Liquid crystal device

A liquid crystal device is constituted by a pair of substrates each having thereon an electrode, and a liquid crystal disposed between the substrates so as to be supplied with a voltage applied between the electrodes. The pair of substrates are provided with uniaxial aligning axes which are parallel...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TOGANO, TAKESHI, ASAO, YASUFUMI
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ADVERTISING
ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION
CRYPTOGRAPHY
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
DISPLAY
DISPLAYING
EDUCATION
FREQUENCY-CHANGING
LABELS OR NAME-PLATES
NON-LINEAR OPTICS
OPTICAL ANALOGUE/DIGITAL CONVERTERS
OPTICAL LOGIC ELEMENTS
OPTICS
PHYSICS
SEALS
SIGNS
TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:A liquid crystal device is constituted by a pair of substrates each having thereon an electrode, and a liquid crystal disposed between the substrates so as to be supplied with a voltage applied between the electrodes. The pair of substrates are provided with uniaxial aligning axes which are parallel but opposite to each other. The liquid crystal is a chiral smectic liquid crystal having a phase transition series of isotropic phase, cholesteric phase and chiral smectic C phase or a phase transition series of isotropic phase and chiral smectic C phase, respectively, on temperature decrease, and is placed in a monostable state under no voltage application and is placed in an alignment state exhibiting a pretilt angle of at least 4 degrees at a boundary thereof with at least one of the substrates.