Title:
LASER LIGHT COMBINING APPARATUS AND LIGHT SOURCE
Document Type and Number:
WIPO Patent Application WO/2024/008103
Kind Code:
A1
Abstract:
A laser light combining apparatus (10). The laser light combining apparatus (10) comprises a light splitting element (100) and a wavelength conversion element (200), wherein the light splitting element (100) is used for reflecting a portion of a laser (300) incident at the side of the light splitting element (100) facing away from the wavelength conversion element (200), so as to form a first wavelength beam (310), and used for transmitting the unreflected portion of the laser (300) to the wavelength conversion element (200); the wavelength conversion element (200) is used for performing wavelength conversion on the unreflected part of the laser (300), so as to form a second wavelength beam (320), and reflecting the second wavelength beam (320) to the light splitting element (100), so that the second wavelength beam (320) and the first wavelength beam (310) form combined light, where the divergence angle of the first wavelength beam (310) and the divergence angle of the second wavelength beam (320) are both greater than the divergence angle of the laser (300). There is higher color uniformity of the combined light formed by the first wavelength beam (310) and the second wavelength beam (320); also, the method for combining light is simple, the present invention has a compact structure, and manufacturing costs are low. Further provided is a light source (1) comprising the laser light combining apparatus (10).
Inventors:
CHEN BIN (CN)
FU JINJIANG (CN)
FU JINJIANG (CN)
Application Number:
PCT/CN2023/105784
Publication Date:
January 11, 2024
Filing Date:
July 05, 2023
Export Citation:
Assignee:
YLX INC (CN)
International Classes:
F21V9/30; F21V7/00; F21Y115/30
Foreign References:
| CN218480555U | 2023-02-14 | |||
| CN215264353U | 2021-12-21 | |||
| CN113494685A | 2021-10-12 | |||
| CN114135801A | 2022-03-04 | |||
| CN101467266A | 2009-06-24 | |||
| CN110887022A | 2020-03-17 | |||
| CN111425820A | 2020-07-17 | |||
| CN206946178U | 2018-01-30 | |||
| US20190187545A1 | 2019-06-20 |
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