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Proceedings Article

Spectral design flexibility of LED brings better life

[+] Author Affiliations
Haiyan Ou, Dennis Corell, Yiyu Ou, Peter B. Poulsen, Carsten Dam-Hansen, Paul-Michael Petersen

Technical Univ. of Denmark (Denmark)

Proc. SPIE 8278, Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XVI, 827802 (February 9, 2012); doi:10.1117/12.916204
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From Conference Volume 8278

  • Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XVI
  • Klaus P. Streubel; Heonsu Jeon; Li-Wei Tu; Norbert Linder
  • San Francisco, California, USA | January 21, 2012

abstract

Light-emitting diodes (LEDs) are penetrating into the huge market of general lighting because they are energy saving and environmentally friendly. The big advantage of LED light sources, compared to traditional incandescent lamps and fluorescent light tubes, is the flexible spectral design to make white light using different color mixing schemes. The spectral design flexibility of white LED light sources will promote them for novel applications to improve the life quality of human beings. As an initial exploration to make use of the spectral design flexibility, we present an example: 'no blue' white LED light source for sufferers of disease Porphyria. An LED light source prototype, made of high brightness commercial LEDs applying an optical filter, was tested by a patient suffering from Porphyria. Preliminary results have shown that the sufferer could withstand the light source for much longer time than the standard light source. At last future perspectives on spectral design flexibility of LED light sources improving human being's life will be discussed, with focus on the light and health. The good health is ensured by the spectrum optimized so that vital hormones (melatonin and serotonin) are produced during times when they support human daily rhythm.

© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Haiyan Ou ; Dennis Corell ; Yiyu Ou ; Peter B. Poulsen ; Carsten Dam-Hansen, et al.
"Spectral design flexibility of LED brings better life", Proc. SPIE 8278, Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XVI, 827802 (February 9, 2012); doi:10.1117/12.916204; http://dx.doi.org/10.1117/12.916204


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