Performance of white PC LEDs based on violet chips

Emil Radkov; Zena Brown; Ilona Hausmann; James Reginelli

doi:10.1117/12.679482

12 September 2006 Performance of white PC LEDs based on violet chips

Emil Radkov, Zena Brown, Ilona Hausmann, James Reginelli

Proceedings Volume 6337, Sixth International Conference on Solid State Lighting; 63370K (2006) https://doi.org/10.1117/12.679482
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

The performance of white pc LEDs based on violet chips is analyzed in terms of several metrics (lm/W, mW/lm, and package efficiency). A calculation is developed to evaluate package efficiency using spectroradiometric measurements and accounting for extraneous factors (Stokes' loss, luminous efficacy of the phosphor and bleed). The method is demonstrated on a state of the art "warm white" power LED, and performance entitlement is also discussed.

Citation Download Citation

Emil Radkov, Zena Brown, Ilona Hausmann, and James Reginelli "Performance of white PC LEDs based on violet chips", Proc. SPIE 6337, Sixth International Conference on Solid State Lighting, 63370K (12 September 2006); https://doi.org/10.1117/12.679482

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