LIQUID CRYSTAL PROJECTOR

PROBLEM TO BE SOLVED: To maintain cooling effect on a polarizing plate substrate, used for a liquid crystal projector, by the use of a member with good heat conductivity, to improve the machinability, and to reduce the cost. SOLUTION: A crystal substrate of 0.3 to 1.0 mm in plate thickness on which...

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Bibliographische Detailangaben
Hauptverfasser:	SHIAKI TAKUYA, HONDA NOBUYUKI, YAMAGUCHI EIJI
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 ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To maintain cooling effect on a polarizing plate substrate, used for a liquid crystal projector, by the use of a member with good heat conductivity, to improve the machinability, and to reduce the cost. SOLUTION: A crystal substrate of 0.3 to 1.0 mm in plate thickness on which a deflecting element is stuck is used as a polarizing plate substrate. By using the polarizing plate substrate of this constitution, plane precision is more easily obtained than using a sapphire substrate with high hardness while the same cooling effect with the use of a conventional sapphire substrate is held to lower the cost compared with the case when an expensive sapphire substrate is used. COPYRIGHT: (C)2003,JPO