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All Journal International Journal of Electrical and Computer Engineering
Jan Latal
VSB-Technical University of Ostrava
Computer Science & IT Electrical & Electronics Engineering

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Measurement of colour coordinates of LEDs used in the automotive exterior lighting Jan Latal; Patrik Hanulak; Jakub Kolar; Zdenek Wilcek; Tomas Stratil; Filip Sarlej
International Journal of Electrical and Computer Engineering (IJECE) Vol 11, No 3: June 2021
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v11i3.pp2711-2724

Abstract

Article deals with dichromatic white light-emitting diode (LED’s) color coordinates used in automotive exterior lighting. This article also describes basic white automotive LED functionality and basic physical processes that create white light of these LEDs. It focuses on measuring color coordinates of white automotive LEDs with different temperature of LED and how the LED’s color depends on LED’s temperature. The article is comparing very important datasheet information of LED producers and values measured in the laboratory at university. The article contains statistical results of measurements and graphical representation of measured values and declared color bins which are very important for producers of headlamps for automotive companies.
Co-Authors Filip Sarlej Jakub Kolar Patrik Hanulak Tomas Stratil Zdenek Wilcek