The purpose of this paper is to demonstrate the advantages of the green phosphor YF 3:Er 3+,Yb 3+ combined with multi-chip package to the enhancement of lighting efficiency of modern WLEDs. In an effort to improve the quality of WLEDs and create a new generation of lighting device, green phosphor YF 3:Er 3+,Yb 3+ is added into the phosphor compounding of the WLED package to improve the color quality and lighting capacity. Through experiments, WLEDs with YF 3:Er 3+,Yb 3+ green phosphor has shown improved results in lighting performance specifically in color homogeneity and light output of WLEDs in the ACCT range from 5600-7000 K. However, the color quality scale (CQS) declines gradually. Therefore, if the appropriate concentration and size of YF 3:Er 3+,Yb 3+ are determined, the performance of MCW-LEDs will be enhanced and become more stable.
Collaboration network of the authors
20 authors ·
54 co-authorship links
· 52 across different organisations
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Ton Duc Thang University
Industrial University of Ho Chi Minh City
Thu Dau Mot University
Nha Trang University
Posts and Telecommunications Institute of Technology
Ho Chi Minh City University of Industry and Trade
Vietnam Academy of Science and Technology
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