Optical machine module and projection device

The invention discloses an optical machine module and a projection device. The optical-mechanical module comprises a light source unit, a first diffusion element, a polarization beam splitting element, a second diffusion element and a light valve. The light source unit emits light beams. The first d...

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Bibliographic Details
Main Author LUO YIJIAN
Format Patent
LanguageChinese
English
Published 27.09.2022
Subjects
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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Summary:The invention discloses an optical machine module and a projection device. The optical-mechanical module comprises a light source unit, a first diffusion element, a polarization beam splitting element, a second diffusion element and a light valve. The light source unit emits light beams. The first diffusion element is located on a transmission path of the light beam. The polarizing beam-splitting element is located on a transmission path of the light beam, wherein the first diffusion element is located between the polarizing beam-splitting element and the light source unit. The second diffusion element has at least one optical surface to reflect and diffuse the light beam, the light beam forms an illumination light beam after passing through the second diffusion element, and the illumination light beam has a light imaging matching angle. The light valve is arranged on a transmission path of the illumination light beam, and the light valve modulates the illumination light beam into an image light beam. Accordi
Bibliography:Application Number: CN202110288903