VISUAL DISPLAY APPARATUS INCLUDING A LIQUID CRYSTAL DISPLAY PANEL

Liquid crystal display apparatus using pulse operation in which the panel is maintained by an electronic switch each time after the occurrence of a supply voltage pulse so as to increase the contrast and the response speed thereof.

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Bibliographic Details
Main Author LORTEIJE; JEAN HUBERTUS JOSEF
Format Patent
LanguageEnglish
Published 25.02.1975
Subjects
ADVERTISING
ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION
BASIC ELECTRONIC CIRCUITRY
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
EDUCATION
ELECTRICITY
FREQUENCY-CHANGING
NON-LINEAR OPTICS
OPTICAL ANALOGUE/DIGITAL CONVERTERS
OPTICAL LOGIC ELEMENTS
OPTICS
PHYSICS
PULSE TECHNIQUE
SEALS
TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Summary:Liquid crystal display apparatus using pulse operation in which the panel is maintained by an electronic switch each time after the occurrence of a supply voltage pulse so as to increase the contrast and the response speed thereof.
Bibliography:Application Number: US19740481343