Light source system, projection system and lighting device

Abstract

Provided is a light source system, a projection system and a lighting device. The light source system comprises: a solid state light source (10) emitting at least a first excitation light; a first wavelength conversion device (40) comprising a first surface for receiving the first excitation light, converting the same into a first excited light and reflecting the same; and a first light collecting system (50) that condenses the first excitation light to the first surface and guides the first excited light to a light exit path of the light source system. On a side of the first light collecting system (50) near the first wavelength conversion device (40) , a focal point of the first light collection system (50) corresponding to the wavelength of the first excitation light is the first focal point, and a focal point corresponding to the wavelength of the first excited light is a second focal point. The midpoint of connection between the first focal point and the second focal point is a first standard position, and the first surface of the first wavelength conversion device (40) is disposed at a position deviated from the first standard position by no more than 30% the spacing between the first standard position and the first light collection system (50), thereby obtaining a light source system that is easy to mount and has good light consistency.

Description

technical field [0001] The present invention relates to the field of light source technology, in particular to a light source system, a projection system using the light source system, and an illumination device using the light source system. Background technique [0002] With the continuous development and updating of optical technology, there are higher and higher requirements for the brightness and consistency of the light emitted by the light source. The light sources in the light source system of traditional projectors mainly use halogen lamps and high-pressure mercury lamps. This kind of light source has short service life, low luminous efficiency, large heat generation, and poor color rendering effect, and has been gradually eliminated. [0003] At present, due to the excellent monochromaticity of lasers, more and more projectors with high-quality requirements for colors have begun to use semiconductor lasers as light sources (such as blue lasers, ultraviolet lasers),...

AI Technical Summary

Problems solved by technology

This light source has a long service life, but when installing the light source system, due to the usual technical bias in optical design, the optical elements must be set in strict accordance with the optical position, so that the wavelength conversion device must be installed in a specific position. One-time commissioning and calibration, which makes the installation process cumbersome and labor-intensive

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