Patent ID: 9147807
Filing Date: 2015-09-29
Classification: H01L

Abstract:
1. A nitride semiconductor light-emitting diode comprising: a non-polar or semi-polar p-type nitride semiconductor layer; a non-polar or semi-polar active layer; a non-polar or semi-polar n-type nitride semiconductor layer; a p-side electrode; and an n-side electrode, wherein: the active layer is interposed between the p-type nitride semiconductor layer and the n-type nitride semiconductor layer, the p-type nitride semiconductor layer and the n-type nitride semiconductor layer are electrically connected to the p-side electrode and the n-side electrode, respectively, the nitride semiconductor light-emitting diode has a shape of a triangle composed of Side BC, Side CA, and Side AB having a length of La, a length of Lb, and a length of Lc, respectively, in a top view of the nitride semiconductor light-emitting diode, angles opposite to Side BC, Side CA, and Side AB have Angle degree α, Angle degree β, and Angle degree γ, respectively, in the triangle, Angle degree θ is formed between a c-axis and a longitudinal direction of Side BC in the top view, Angle degree γ is equal to 90 degrees, and any one of Group Ba consisting of the following two mathematical formulae (IIIa) and (IVa), Group Bb consisting of the following two mathematical formulae (IIIb) and (IVb), or Group Bc consisting of the following two mathematical formulae (IIIc) and (IVc) is satisfied: Group Ba: 10 degrees≦Angle degree α≦30 degrees (IIIa) and −30 degrees≦Angle degree θ≦45 degrees (IVa); Group Bb: 30 degrees<Angle degree α≦35 degrees (IIIb) and −25 degrees≦Angle degree θ≦45 degrees (IVb); Group Bc: 35 degrees<Angle degree α≦40 degrees (IIIc) and 10 degrees≦Angle degree θ≦45 degrees (IVc).