LIGHTING SYSTEM AND LIQUID CRYSTAL DISPLAY DEVICE

PROBLEM TO BE SOLVED: To provide a liquid crystal display device capable of improving display quality (in particular, display quality of motion video) by reducing after-image in display of motion video with reduced cost, and a lighting system used for it. SOLUTION: The lighting system has a pluralit...

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Bibliographische Detailangaben
Hauptverfasser:	ISHIZUMI TAKASHI, HAKOI HIROYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING 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 HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY FREQUENCY-CHANGING HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED LIGHTING MECHANICAL ENGINEERING NON-LINEAR OPTICS NON-PORTABLE LIGHTING DEVICES OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS SYSTEMS THEREOF TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a liquid crystal display device capable of improving display quality (in particular, display quality of motion video) by reducing after-image in display of motion video with reduced cost, and a lighting system used for it. SOLUTION: The lighting system has a plurality of fluorescent tubes with electrodes formed at both ends and comprises a drive circuit to send a drive waveform of mutually reverse phase to the electrodes at both ends of the fluorescent tubes and light the plurality of fluorescent tubes, and a switching means to switch over to light the plurality of fluorescent tubes respectively in order. COPYRIGHT: (C)2008,JPO&INPIT