Laser light source module and laser projection device

Abstract

The invention discloses a laser light source module and a laser projection device, and relates to the technical field of laser light sources. The problems are solved that that a laser light source module has a complicated structure, a large space, and is difficult to apply to a device structure with a small size in the prior art. The laser light source module comprises a laser group, and a polarizing layer, a light combining unit and a wavelength conversion component which are sequentially disposed along the light emitting direction of the laser group. The laser group emits a first polarized blue laser. The wavelength conversion component includes a fluorescent region and a polarization transition region. The fluorescent region receives the first polarized blue laser to generate red fluorescence and / or green fluorescence for reflection. The polarization transition region receives the first polarized blue laser and converts the first polarized blue laser to a second polarized blue laserfor reflection. The light combining unit reflects red and / or green fluorescence reflected by the wavelength conversion component. The polarizing layer reflects the second polarized blue laser reflected by the wavelength conversion component.

Description

technical field [0001] The invention relates to the technical field of laser light sources, in particular to a laser light source module and laser projection equipment. Background technique [0002] Laser is a coherent light source with high brightness, strong directionality and good monochromaticity. With the continuous maturity and development of laser technology, laser is more and more widely used in various fields of production and life. [0003] In the field of projection technology, laser light sources are commonly used as projection light sources in projection equipment. The laser light sources currently used in projection equipment usually use low-power lasers to form a laser array to provide one or two colors of light in the three primary colors. The beams emitted by the lasers in the laser array are transmitted in the optical path after beam shaping. And it is incident to the fluorescent wheel, and the fluorescent powder is excited to produce light of other colors...

AI Technical Summary

Problems solved by technology

[0006] The present invention provides a laser light source module and a laser projection device, which can solve the problems that the laser light source module in the prior art has a complex structure, takes up a large space, and is difficult to apply to a micro-sized device structure

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