Photonic structures for efficient light extraction and conversion in multi-color light emitting devices
作者： Aurelien J. F. David , Pierre M. Petroff , Frederic S. Diana , Claude C. A. Weisbuch
DOI:
关键词: Substrate (electronics) 、 Light-emitting diode 、 Diffraction grating 、 Materials science 、 Light extraction in LEDs 、 Photonics 、 Optoelectronics 、 Photonic crystal 、 Buffer (optical fiber) 、 Optics 、 Layer (electronics)
摘要: A high efficiency light emitting diode (LED) comprised of a substrate, buffer layer grown on the substrate (if such is needed), first active region comprising primary species (PES) that are electrically-injected, second secondary (SES) optically-pumped by emitted from PES, and photonic crystals, wherein crystals act as diffraction gratings to provide extraction efficiency, efficient excitation SES, and/or modulate far-field emission pattern.
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