Investigation into Color-temperature Stable Illumination Sources Based on Tri-chromatic LEDs

Chibuzo Onwukaeme; Han-Youl Ryu

doi:10.1364/PVLED.2021.PvTu4C.5

OSA Advanced Photonics Congress 2021
OSA Technical Digest (Optica Publishing Group, 2021),
paper PvTu4C.5
•https://doi.org/10.1364/PVLED.2021.PvTu4C.5

Investigation into Color-temperature Stable Illumination Sources Based on Tri-chromatic LEDs

Chibuzo Onwukaeme and Han-Youl Ryu

Optical Devices and Materials for Solar Energy and Solid-state Lighting 2021

Washington, DC United States
26–29 July 2021
ISBN: 978-1-943580-94-1

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Light Emitting Diodes II (PvTu4C)

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C. Onwukaeme and H. Ryu, "Investigation into Color-temperature Stable Illumination Sources Based on Tri-chromatic LEDs," in OSA Advanced Photonics Congress 2021, B. Yang, F. Leo, A. Tauke-Pedretti, S. Arafin, M. Clerici, L. Caspani, L. Busse, M. Kats, J. Fan, W. Ming (Steve) Lee, D. Caplan, N. Parsons, W. Freude, C. Tremblay, D. Hillerkuss, K. Igarashi, H. Elgala, N. Guerrero Gonzalez, R. "Patty" Stabile, K. Jaeger, R. Saive, H. Aziz, and H. Tan, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper PvTu4C.5.

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Abstract

Temperature and time variations influence the color points of a white light emitting diodes (LEDs). Adjusting the power ratios of the individual LEDs of a trichromatic light, we obtain a stable color temperature operation.

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