Patent ID: 8513690

Claim:
A light emitting diode structure comprising: an electrically conductive substrate; a first lighting structure formed on the electrically conductive substrate, the first lighting structure including a first n-type semiconductor layer, a first active layer and a first p-type semiconductor layer; a second lighting structure formed on the first lighting structure, the second lighting structure including a second n-type semiconductor layer, a second active layer and a second p-type semiconductor layer, the second n-type semiconductor layer being electrically connected with the first p-type semiconductor layer and the second p-type semiconductor layer being electrically connected with the first n-type semiconductor layer; a first transparent, conductive layer formed on the first lighting structure; and a second transparent, conductive layer formed under the second lighting structure, wherein the first transparent, conductive layer and the second transparent, conductive layer being connected together to combine the first lighting structure with the second lighting structure; and wherein the first p-type semiconductor layer direct contacts with a bottom surface of the first transparent, conductive layer and a top surface of the second transparent, conductive layer directly contacts with an optical adjusting layer.