Liquid-crystal projector

A liquid-crystal projector includes: liquid-crystal panel sections a first illumination section including a red light source, red light emitted from the red light source being applied to a liquid-crystal panel section; a second illumination section including a green light source, a blue light source...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	KATOU ATSUSHI
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY 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 ELECTROGRAPHY FREQUENCY-CHANGING HOLOGRAPHY NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	A liquid-crystal projector includes: liquid-crystal panel sections a first illumination section including a red light source, red light emitted from the red light source being applied to a liquid-crystal panel section; a second illumination section including a green light source, a blue light source and a polarizing beam splitter that splits green light emitted from the green light source into p-polarized light and s-polarized light, the green s-polarized light being applied to a liquid-crystal panel section, the green p-polarized light and blue light being applied to a liquid-crystal panel section on the same optical path; a cross dichroic mirror that combines images displayed on liquid-crystal panel sections; a projection lens that projects the combined image; and a control unit that controls on/off states of the red light source, the green light source and the blue light source based on an input video signal to display respective images on the liquid-crystal panel sections.