Patent ID: 6504183
Filing Date: 2003-01-07
Classification: C30B,H01L

Abstract:
A light emitting semiconductor device, comprising:a monocrystalline substrate; multiple nucleuses on the monocrystalline substrate, the multiple nucleuses being made of at least two materials having different crystal lattice constants, the multiple nucleuses being respectively isolated; an AlxInyGa1âˆ’xâˆ’yN dislocation inhibition layer on the multiple nucleuses, wherein 0&lE;x&lE;1, 0&lE;y&lE;1, and 0&lE;x+y&lE;1; an n-type AlwInzGa1âˆ’wâˆ’zN cladding layer on the dislocation inhibition layer, wherein 0&lE;w&lE;1, 0&lE;z&lE;1, and 0w+z&lE;1; an InGaN active layer on the n-type cladding layer; a p-type AlsIntGa1âˆ’sâˆ’tN cladding layer on the active layer, wherein 0&lE;s&lE;1, 0&lE;t&lE;1, and 0&lE;s+t&lE;1; and a p-type AluInvGa1âˆ’uâˆ’vN electrode layer on the p-type cladding layer, wherein 0&lE;u&lE;1, 0&lE;v&lE;1, and 0&lE;u+v&lE;1.