摘要:
A method and apparatus for reliably and quickly establishing multiple reverse links in multi-carrier wireless networks is provided. Signaling channels are established the on an existing forward link in order to transmit reverse link power control bits and the acknowledgment indications.
摘要:
A nitride based 3-5 group compound semiconductor light emitting device comprising: a substrate; a buffer layer formed above the substrate; a first In-doped GaN layer formed above the buffer layer; an InxGa1-xN/InyGa1-yN super lattice structure layer formed above the first In-doped GaN layer; a first electrode contact layer formed above the InxGa1-xN/InyGa1-yN super lattice structure layer; an active layer formed above the first electrode contact layer and functioning to emit light; a second In-doped GaN layer; a GaN layer formed above the second In-doped GaN layer; and a second electrode contact layer formed above the GaN layer. The present invention can reduce crystal defects of the nitride based 3-5 group compound semiconductor light emitting device and improve the crystallinity of a GaN GaN based single crystal layer in order to improve the performance of the light emitting device and ensure the reliability thereof.
摘要:
Disclosed a nitride semiconductor LED including: a substrate; a GaN-based buffer layer formed on the substrate; AlyGa1-yN/GaN short period superlattice (SPS) layers formed on the GaN-based buffer layer in a sandwich structure of upper and lower parts having an undoped GaN layer or an indium-doped GaN layer interposed therebetween (Here, 0≦y≦1); a first electrode layer of an n-GaN layer formed on the upper AlyGa1-yN/GaN SPS layer; an active layer formed on the first electrode layer; and a second electrode layer of a p-GaN layer formed on the active layer.
摘要翻译:公开了一种氮化物半导体LED,包括:基板; 形成在所述基板上的GaN系缓冲层; 在具有未掺杂的上部和下部的夹层结构的GaN基缓冲层上形成的Al x Ga 1-y N / GaN短周期超晶格(SPS)层 GaN层或铟掺杂的GaN层(这里,0 <= y <= 1); 形成在上部Al y Ga 1-y N / GaN SPS层上的n-GaN层的第一电极层; 形成在所述第一电极层上的有源层; 以及形成在有源层上的p-GaN层的第二电极层。