Patent ID: 6023076
Filing Date: 2000-02-08
Classification: H01L

Abstract:
A light emitting device comprising:a first semiconductor layer of a first conductive type wherein said first semiconductor layer comprises a group III nitride compound semiconductor satisfying the formula Al.sub.X1 In.sub.Y1 Ga.sub.1-X1-Y1 N inclusive of X1=0, Y1=0 and X1=Y1=0;a second semiconductor layer of a second conductive type, wherein said second semiconductor layer comprises a group III nitride compound semiconductor satisfying the formula Al.sub.X2 In.sub.Y2 Ga.sub.1-X2-Y2 N, inclusive of X2=0, Y2=0 and X2=Y2=0;a light emitting layer formed between said first and second semiconductor layers;a first electrode connected to said first semiconductor layer and said second semiconductor layer; anda second electrode connected to said second semiconductor layer;wherein a current biased in a reverse direction of said light emitting device flows from the first electrode to the second electrode substantially only via the second semiconductor layer; andsaid first semiconductor layer comprises n-type semiconductor and said second semiconductor layer comprises a p-type conductor.