Patent ID: 8859401

Claim:
A method for manufacturing a light-emitting diode, said method comprising: providing a substrate having a plurality of protruded portions and a plurality of recess portions on a surface of the substrate, each protruded portion being made of a material different from that of said substrate, each recess portion being defined as space between a respective pair of the plurality of protruded portions; growing a first nitride-based III-V Group compound semiconductor layer from a combination of a plurality of micronuclei on the surface of said substrate within each recess portion until said first nitride-based III-V Group semiconductor layer forms a triangle in cross section between each pair of adjacent protruded portions; lowering a V/III ratio of starting materials for growing said first nitride based III-V Group compound semiconductor layer and increasing a growth temperature to laterally grow said first nitride-based III-V Group compound semiconductor layer between each respective pair of the plurality of protruded portions such that a dislocation includes a bent portion, the bent portion having (a) a first portion that propagates from a respective micronuclei in a direction that intersects a plane of the one main surface and (b) a second portion that extends from the first portion in a direction parallel to the plane of the one main surface; and successively growing a second nitride-based III-V Group compound semiconductor layer of a first conduction type, an active layer, and a third nitride-based III-V compound semiconductor layer of a second conduction type on said first nitride-based III-V Group compound semiconductor layer.