ILLUMINATOR AND PROJECTION VIDEO DISPLAY DEVICE

PROBLEM TO BE SOLVED: To provide a practical illuminator using a solid light emitting element such as a light emitting diode, and a projection video display device using the illuminator. SOLUTION: The illuminator 1 is constituted by three-dimensionally arranging LEDs 11... in a mirror face barrel bo...

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Bibliographische Detailangaben
Hauptverfasser:	TORASAWA KENJI, TERADA FUSAO, KUROSAKA TAKETAKA, TSUCHIYA YOICHI, KANAYAMA HIDEYUKI, YOSHII SHOICHI
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 BASIC ELECTRIC ELEMENTS BLASTING 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 ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTROGRAPHY FREQUENCY-CHANGING FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING HOLOGRAPHY 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 OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION SEMICONDUCTOR DEVICES STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a practical illuminator using a solid light emitting element such as a light emitting diode, and a projection video display device using the illuminator. SOLUTION: The illuminator 1 is constituted by three-dimensionally arranging LEDs 11... in a mirror face barrel body 12. The barrel body 12 is formed in rectangular shape, and its one surface is set as a light emitting surface, and the inside of the other surface is set as a reflection surface. Since a plurality of LEDs 11... are three-dimensionally arranged, an increase in light quantity is realized. Since the light emitted from the LEDs 11... is reflected inside the barrel body 12, integrated and emitted from the light emitting surface, bright and dark parts corresponding to the arrangement of the LEDs 11... are prevented from being caused on a liquid crystal display panel 3. COPYRIGHT: (C)2004,JPO&NCIPI