Light source device and display system

Abstract

The invention relates to a light source device and a display system. The light source device comprises an excitation light source, a scattering device, a wavelength conversion device and a region light splitting device, wherein the region light splitting device comprises at least two first regions and at least one second region, the first portion of excitation light emitted by the excitation lightsource is directed by the at least two first regions to the scattering device, the second portion of the excitation light emitted by the excitation light source is directed by the at least one secondregion to the wavelength conversion device, the first portion of the excitation light reflected by the at least two first regions is scattered by the scattering device and then provided for a light exit channel of the light source device, the transmitted second portion of the excitation light is converted by the wavelength conversion device into stimulated light, and the stimulated light is reflected by at least one of the at least two first regions and the at least one second region to the light exit channel. The light source system has good light color uniformity.

Description

technical field [0001] The invention relates to a light source device and a display system. Background technique [0002] At present, laser light sources have been widely used in display (such as projection) and lighting fields. Due to the advantages of high energy density and small etendue, laser light sources have gradually replaced bulbs and LEDs in the field of high-brightness light sources. light source. Among them, the light source device that uses blue laser as the excitation light source to excite yellow phosphor to generate white light has become the mainstream of application due to its advantages of high light efficiency, good stability, and low cost. [0003] However, under the condition of high energy density blue laser excitation, the general yellow phosphor needs to be made into the form of a rotating color wheel to solve the problem of scattering. The advantages of small dispersion. In the composition of the white light source device, the form of blue light...

AI Technical Summary

Problems solved by technology

[0004] In order to solve the technical problems of the prior art light source device with relatively complex structure or poor uniformity of luminous color, it is necessary to provide a light source device with relatively simple structure or relatively uniform luminous color

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