Light Emitting Diodes and Fabrication Method
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Jan 28, 2017
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Nov 27, 2014
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A light emitting diode (LED) includes quantum dots serving as the quantum well layer in the multiple-quantum well (MQW) structure, which can greatly improve the combination efficiency of electrons and holes due to quantum confinement effect; a nanoscale metal reflective layer is formed between the quantum barrier layer with nanoscale pits to instantly reflect the light emitted downwards from the MQW to the front of epitaxial structure; in addition, the nanoscale metal reflective layer can form surface plasmon to further improve light emitting efficiency.
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