White light with UV LEDs

Emil Radkov; Rebecca Bompiedi; Alok M. Srivastava; Anant A. Setlur; Charles A. Becker

doi:10.1117/12.512865

26 January 2004 White light with UV LEDs

Emil Radkov, Rebecca Bompiedi, Alok M. Srivastava, Anant A. Setlur, Charles A. Becker

Proceedings Volume 5187, Third International Conference on Solid State Lighting; (2004) https://doi.org/10.1117/12.512865
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

The advantages of near UV LED chips with phosphors for white light generation are discussed. Recently developed UV LED excitable phosphor blends are presented. Monte Carlo simulations suggest low color point variation (entirely within the first MacAdam oval) for the standard LED chip bin (400-410 nm), compared to high color point variation (outside the fourth MacAdam oval) for the standard bin (460-470 nm) and typical phosphors, modeled as Gaussians of realistic spectral width and targeting the 3000K ANSI color point (x=0.440, y=0.403). A discussion of the full LED package performance is also offered.

Citation Download Citation

Emil Radkov, Rebecca Bompiedi, Alok M. Srivastava, Anant A. Setlur, and Charles A. Becker "White light with UV LEDs", Proc. SPIE 5187, Third International Conference on Solid State Lighting, (26 January 2004); https://doi.org/10.1117/12.512865

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