We show that research presented in Opt. Lett.34, 301 (2009)OPLEDP0146-959210.1364/OL.34.000301 applied questionable phosphor definitions and a questionable simulation procedure for light-emitting diodes. Our simulation indicates that a one-dimensional photonic crystal is beneficial for color control but cannot improve the light extraction as asserted in that Letter.

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  1. L. Wang, P.-F. Gu, and S.-Z Jin, Opt. Lett. 34, 301 (2009).

2009 (1)

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