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Red, green, and blue LEDs for white light illumination
Abstract
The rapid improvement of the white light efficacy achievable with light-emitting diodes (LEDs) opens up new opportunities in the general illumination market. An LED light source made of red, green, and blue LEDs (RGB-LEDs) can provide the unique feature of color variability, allowing the user to select the desired color point of the lamp. The white light color accuracy required in the general illumination market is a challenge for LEDs. The variation in lumen output and wavelength for nominally identical LEDs and the change in these parameters with temperature and time result in an unacceptably high variability in the color point of white light from RGB-LEDs. In this paper, we show that these problems can be overcome with suitable feedback control schemes that can be implemented in a practical LED lamp. We present results of experiment and theoretical modeling that shows the performance that can be achieved with a number of different control schemes.
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Citations
Cited by
Wang, B., Ruan, X., Yao, K., & Xu, M. (2010) · IEEE Transactions on Power Electronics · doi:10.1109/tpel.2009.2031319 · Cited by 339
Enhancement of Light Extraction from Light Emitting Diodes
Zhmakin, A. I. (2011) · Physics Reports · doi:10.1016/j.physrep.2010.11.001 · Cited by 312
Jones, B., Dat, M., & Cooper, C. E. (2014) · Journal of Biomedical Optics · doi:10.1117/1.jbo.19.12.127002 · Cited by 37
Metadata
- Authors
- Muthu, S., Schuurmans, F. J. P., & Pashley, M. D.
- Venue
- IEEE Journal of Selected Topics in Quantum Electronics
- Published
- 2002
- Volume
- 8
- Issue
- 2
- Pages
- 333-338
- ISSN
- 1077-260X (ISSN-L)
- OpenAlex
- W2118673456
- Cited by
- 421
- References
- 0
- FWCI
- 4.22
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Red, green, and blue LEDs for white light illumination. https://app.cochat.ai/papers/10.1109/2944.999188
- The paper
- Muthu, S., Schuurmans, F. J. P., & Pashley, M. D. (2002). Red, green, and blue LEDs for white light illumination. IEEE Journal of Selected Topics in Quantum Electronics. https://doi.org/10.1109/2944.999188
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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