Short Wavelength LED Based on III-V Nitride and its Applications(<Special Issue>LED Lighting Technologies)

概要

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The short wavelength LED ("TG Purple") based on III-V nitride semiconductors is established in addition to blue and green ones. This short wavelength LED is realized by adjusting indium chemical content of the well layer. Light output power of "TG Purple" is high and FWHM (full width at half maximum) is narrow. "TG Purple" is applied to light source of the white LED. Combination of "TG Purple" and various phosphors can generate white light with high luminous intensity and good color rendering. "TG Purple" is also applied to light source of air-purifier. This air-purifier is being offered as standard equipment in luxury automotives and several applications of this system are widely utilized in room air conditioners and refrigerators.