Optical module and dot matrix projection equipment

The invention relates to an optical module and dot matrix projection equipment. The optical module comprises a light source module, a crystalline lens arranged on the light emitting side of the lightsource module, at least two first mirror surfaces, at least two second mirror surfaces and a diffract...

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Bibliographic Details
Main Authors QI WEIWEI, LI JINHONG
Format Patent
LanguageChinese
English
Published 26.02.2021
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 relates to an optical module and dot matrix projection equipment. The optical module comprises a light source module, a crystalline lens arranged on the light emitting side of the lightsource module, at least two first mirror surfaces, at least two second mirror surfaces and a diffractive optical assembly arranged on the light emitting side of the crystalline lens, wherein the firstmirror surface and the second mirror surface are both arranged in the crystalline lens, and the first mirror surface and the second mirror surface are alternately arranged along the transmission pathof light, so that the transmission direction of the light between the first mirror surface and the second mirror surface is changed for multiple times. According to the optical module and the dot matrix projection equipment provided by the utility model, the arrangement and combination mode of the mirror surface group in the crystalline lens is changed, so that the light is folded for multiple times to prolong the optical
Bibliography:Application Number: CN202020971506U