Phosphor-free all-semiconductor white-light devices are fabricated by coating CdSe/ZnS nano-crystals on blue/green two-wavelength LEDs for converting blue photons into red light. The LEDs are implemented by stacking two different types of InGan/GaN quantum wells.
© 2006 Optical Society of America
C. Huang, D. Yeh, C. Lu, H. Chen, T. Tang, J. Huang, and C. Yang, "Phosphor-Free All-Semiconductor White-Light Light-Emitting Devices," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper CTuE7.
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