That’s the promise of light wands. Light therapy wands feature LED (light emitting diode) lights in various colors. “LED devices are commonly used in skin care for their anti-inflammatory and ...

Abstract: An InGaN-GaN blue light-emitting diode (LED) structure and an InGaN-GaN green LED structure were grown sequentially onto the same sapphire substrate so as to achieve a nitride-based near ...

organic light-emitting diode (OLED) display ... which continues to favor LCDs. Recently, a new LED technology, called the Vivid Color LED, was demonstrated 86. Its FWHM is only 10 nm (Figure ...

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† State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China ‡ Department of Physics, Jilin ...

Impact Statement: Semi-polar micro-LED have gain increasing interests due to the advantages ... faster carrier lifetime and uniform spatial light distribution have been observed.It become a promising ...