High-efficiency light-emitting diodes
作者： Hong K. Choi
DOI:
关键词:
摘要: Light-emitting diodes (LEDs) have at least one light-emitting surface that is patterned, thereby improving the ratio of internal to external efficiency. A " patterned surface"is a has plurality raised elements are spaced in non-random pattern. In embodiment, gallium nitride based group III-V multiple quantum-well active region between an n-doped GaN layer and p-doped layer. The patterned.
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