Fabrication of phosphor glass film on aluminum plate by using lead-free tellurite glass for laser-driven white lighting

Laser-driven white lighting is regarded as a next-generation high-power lighting because of the advantages of directional light emission, high brightness, and quasi-point source. In this work, we proposed a phosphor-aluminum composite (PAC) converter for laser-driven white lighting. The PAC was fabr...

Full description

Saved in:
Bibliographic Details
Published in:Journal of alloys and compounds 2020-01, Vol.814, p.152321, Article 152321
Main Authors: Wang, Hao, Mou, Yun, Peng, Yang, Zhang, Yi, Wang, Ange, Xu, Linlin, Long, Hanling, Chen, Mingxiang, Dai, Jiangnan, Chen, Changqing
Format: Article
Language:English
Subjects:
Aluminum
Aluminum composites
Aluminum plate
Brightness
Cerium
Converters
Europium
Glass
Laser sintering
Laser-driven white lighting
Lasers
Lead free
Light emission
Lighting
Metal plates
Phosphor glass film
Phosphors
Point sources
Product design
Semiconductor lasers
Tellurite glass
Tellurium dioxide
Thermal conductivity
Thermal expansion
Yttrium-aluminum garnet
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Laser-driven white lighting is regarded as a next-generation high-power lighting because of the advantages of directional light emission, high brightness, and quasi-point source. In this work, we proposed a phosphor-aluminum composite (PAC) converter for laser-driven white lighting. The PAC was fabricated by sintering a phosphor glass film on an aluminum plate by using a lead-free tellurite glass. By adjusting the tellurite component, the tellurite glass achieves similar expansion coefficient with the aluminum, which can eliminate the crack and delamination of PAC. The yellow (Y) and yellow/red (Y/R) PACs were prepared by adding commercial Y3Al5O12:Ce3+ (YAG:Ce3+) and CaAlSiN3:Eu2+ (CASN:Eu2+) into the tellurite glass. These PACs were used as the reflective configuration of white laser diodes (LDs). As the layer number of phosphor glass film increases, the PAC-based white LDs with different optical performances were realized. Furthermore, the phosphor glass films of PACs display extremely low working temperature (
ISSN:0925-8388
1873-4669
DOI:10.1016/j.jallcom.2019.152321