Journal
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS
Volume 8, Issue 2, Pages 339-345Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/2944.999189
Keywords
III-nitrides; light-emitting diodes (LEDs); pcLED; phosphor; phosphor conversion; solid-state lighting; solid-state illumination
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Phosphor conversion of light-emitting diode light for white light sources and some monochrome applications requires particular phosphor properties and has to take into account specific issues if aimed at high-power output. Limitations and solutions will be discussed, giving special considerations to drive and temperature dependencies. Efficiencies of 32 lm/W for white with good color rendering at 4600 degreesK and 35 lm/W for green (535 nm) have been demonstrated.
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