Patent ID: 6078063
Filing Date: 2000-06-20
Classification: H01L,H01S

Abstract:
A light-emitting gallium nitride-based compound semiconductor device having a double heterostructure comprising:a first clad layer comprising an n-type gallium nitride-based compound semiconductor represented by the formula Ga.sub.y Al.sub.1-y N where 0.ltoreq.y.ltoreq.1;a second clad layer comprising a p-type gallium nitride-based compound semiconductor represented by the formula Ga.sub.z Al.sub.1-z N where 0.ltoreq.z.ltoreq.1; anda p-type light emitting layer provided between said first and second clad layers and comprising a gallium nitride-based compound semiconductor having a formula In.sub.x Ga.sub.1-x N where 0.ltoreq.x.ltoreq.1 doped with magnesium and a contact layer comprising a p-type gallium nitride over said second clad layer.