Color projection type display apparatus reusing incident light

A color projection type display apparatus having a light source, a color wheel driven to rotate and having a plurality of types of color filters, different in characteristics from one another, disposed on the same surface thereof to transmit a particular component of light from the light source and...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KARUBE HIROO, SAKAMOTO MIKIO
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 ELECTROGRAPHY HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS
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Beschreibung
Zusammenfassung:	A color projection type display apparatus having a light source, a color wheel driven to rotate and having a plurality of types of color filters, different in characteristics from one another, disposed on the same surface thereof to transmit a particular component of light from the light source and to reflect the remaining components, a reflector for reflecting a component of light impinging on the color wheel and reflected by one type of the color filters to again direct the component back to another type of color filters, an image display device having a plurality of areas each irradiated with particular component of light transmitted by the color filters, respectively, to display an image, and a projection lens for projecting the image displayed by the image display device onto a screen.