Optical projection device and electronic device

The invention provides an optical projection device and an electronic device including the same. The optical projection device comprises a light source for emitting illumination light; a diffractive optical element for receiving the illumination light and diffracting at least a portion of the receiv...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	XIE YISHAN, PAN MINGYANG
Format:	Patent
Sprache:	chi ; 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 MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS TESTING
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