Increasing the luminous efficiency of white LEDs by changing the chemical components of phosphor compositions
https://doi.org/10.17586/0021-3454-2023-66-9-741-749
Abstract
Results of choosing a component base for the development of a phosphor composition are presented. The influence of the composition of the phosphor coating on the characteristics of the LED light source is considered. Models of white LEDs are created and research tests of their lighting and colorimetric characteristics are carried out. Proposed phosphor compositions make it possible to achieve luminous efficiency values of the order of 200 lm/W.
Keywords
LED,
phosphor,
compound,
LED phosphor composition,
luminous flux,
luminous efficiency,
correlated color temperature
Supporting agencies: the study was supported by the Russian Science Foundation, grant No. 23-29-00169; https://rscf.ru/project/23-29-00169/.
About the Authors
K. N. Afonin
Tomsk State University of Control Systems and Radioelectronics
Russian Federation
Russian Federation
Kirill N. Afonin - PhD; Department of Radioelectronic Technologies and Environmental Monitoring, Associate Professor
Tomsk
M. V. Andreeva
Tomsk State University of Control Systems and Radioelectronics
Russian Federation
Russian Federation
Maria V. Andreeva - Post-Graduate Student; Department of Radioelectronic Technologies and Environmental Monitoring
Tomsk
V. S. Soldatkin
Tomsk State University of Control Systems and Radioelectronics
Russian Federation
Russian Federation
Vasiliy S. Soldatkin - PhD; Department of Radioelectronic Technologies and Environmental Monitoring, Associate Professor
Tomsk
V. I. Tuev
Tomsk State University of Control Systems and Radioelectronics
Russian Federation
Russian Federation
Vasiliy I. Tuev - Dr. Sci., Professor; Department of Radioelectronic Technologies and Environmental Monitoring; Head of the Department
Tomsk
A. A. Ivanov
Tomsk State University of Control Systems and Radioelectronics
Russian Federation
Russian Federation
Alexander A. Ivanov — PhD; Research Institute of LED Technologies; Head of Laboratory
Tomsk
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Review
For citations:
Afonin K.N., Andreeva M.V., Soldatkin V.S., Tuev V.I., Ivanov A.A. Increasing the luminous efficiency of white LEDs by changing the chemical components of phosphor compositions. Journal of Instrument Engineering. 2023;66(9):741-749. (In Russ.) https://doi.org/10.17586/0021-3454-2023-66-9-741-749
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