LIQUID CRYSTAL DISPLAY DEVICE

PURPOSE:To reduce power consumption and flicker of a picture with a simple constitution by constituting complementarily a selected element switched at high speed and applying only a signal through one selecting element to a display element of the unit picture element of a liquid crystal at each inve...

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Bibliographische Detailangaben
Hauptverfasser:	OOTSU KOUJI, SONEDA MITSUO, MAEKAWA TOSHIICHI
Format:	Patent
Sprache:	eng
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 EDUCATION ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION SEALS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	PURPOSE:To reduce power consumption and flicker of a picture with a simple constitution by constituting complementarily a selected element switched at high speed and applying only a signal through one selecting element to a display element of the unit picture element of a liquid crystal at each inversion of an AC. CONSTITUTION:The switching elements are constituted complementarily P channel elements Mp1-Mpm, Mp11-Mpnm, and N channel elements MN1-MNm, MN11- Mnm. Input terminals 1P, 1N inputting a positive and a negative signal are provided, and a signal from the terminal 1P is applied to liquid crystal cells C11- Cnm through the P channel elements Mp1-Mpm, Mp11-Mpnm. Further, the signal from the terminal 1N is applied to the liquid crystal cells C11-Cnm through N channel elements MN1-MNm, MN11-Mnm. An AC signal inverting the polarity is applied respectively to the terminals 1P, 1N, the power consumption is reduced by a simple constitution so as to prevent crosstalk.