摘要:
The present disclosure relates to a III-nitride semiconductor light emitting device, and more particularly, to a III-nitride semiconductor light emitting device which can facilitate current spreading and improve electrostatic discharge characteristic by providing an undoped GaN layer with a thickness over 100 Å in an n-side contact layer.
摘要:
The present disclosure relates to a III-nitride semiconductor light-emitting device including an n-type nitride semiconductor layer, a p-type nitride semiconductor layer doped with a p-type dopant, an active layer disposed between the n-type nitride semiconductor layer and the p-type nitride semiconductor layer and including a quantum well layer to generate light by recombination of electrons and holes, and a diffusion barrier layer disposed between the quantum well layer and the p-type nitride semiconductor layer to be in contact with both layers, having a surface formed to make the interface with the p-type nitride semiconductor layer smooth, and to prevent diffusion of the p-type dopant into the quantum well layer.
摘要:
The present disclosure relates to a III-nitride semiconductor light emitting device, and more particularly, to a III-nitride semiconductor light emitting device which can facilitate current spreading and improve electrostatic discharge characteristic by providing an undoped GaN layer with a thickness over 300 Å in an n-side contact layer.
摘要:
The present invention relates to a III-nitride semiconductor light emitting device comprising a plurality of III-nitride semiconductor layers including an active layer emitting light by recombination of electrons and holes, the plurality of III-nitride semiconductor layers having a p-type III-nitride semiconductor layer at the top thereof, a SiaCbNc (a≧0,b>0,c≧0) layer grown on the p-type III-nitride semiconductor layer, the SiaCbNc layer having an n-type conductivity and a thickness of 5 Å to 500 Å for the holes to be injected into the p-type III-nitride semiconductor layer by tunneling, and a p-side electrode formed on the SiaCbNc layer. According to the present invention, a SiaCbNc (a≧0,b>0,c>0) layer which can be doped with a high concentration is intervened between a p-type nitride semiconductor layer and a p-side electrode. Therefore, the present invention can solve the conventional problem.
摘要翻译:本发明涉及包含多个III族氮化物半导体层的III族氮化物半导体发光器件,所述III族氮化物半导体层包括通过电子和空穴的复合发射光的有源层,所述多个III族氮化物半导体层具有p型III- (a> = 0,b> 0,c> = 0)的氮化物半导体层, )层生长在p型III族氮化物半导体层上,具有n型导电性的Si a C b C n C c C层,以及 通过隧道将待注入到p型III族氮化物半导体层中的空穴的厚度为5埃至500埃,以及形成在Si III-B层上的p侧电极 N sub>层。 根据本发明,可以使用一种或多种C 1 -C 4烷基(a> = 0,b> 0,c> 0)的Si 可以在p型氮化物半导体层和p侧电极之间插入高浓度的掺杂。 因此,本发明可以解决常规问题。
摘要:
The present disclosure relates to a semiconductor light-emitting device which includes: a substrate having a first surface and a second surface; at least one semiconductor stacked body disposed on the first surface of the substrate and each including an active layer and first and second semiconductor layers disposed on both sides of the active layer, the first semiconductor layer having first conductivity, the second semiconductor layer having second conductivity different than the first conductivity, the first semiconductor layer having an exposed surface; a substrate piercing portion leading from the second surface to the first surface with a spacing from the exposed surface and opened without being covered with the at least one semiconductor stacked body; and an electrical path leading to the at least one semiconductor stacked body via the substrate piercing portion.
摘要:
The present III-nitride semiconductor light-emitting device comprises: a first III-nitride semiconductor layer having a first conductivity type; a second III-nitride semiconductor layer having a second conductivity type different from the first conductivity type; an active layer disposed between the first III-nitride semiconductor layer and the second III-nitride semiconductor layer and generating light by recombination of electrons and holes; and a depletion barrier layer brought into contact with the active layer and having a first conductivity type.
摘要:
The present disclosure relates to a semiconductor light-emitting device which includes: a substrate having a first surface and a second surface; at least one semiconductor stacked body disposed on the first surface of the substrate and each including an active layer and first and second semiconductor layers disposed on both sides of the active layer, the first semiconductor layer having first conductivity, the second semiconductor layer having second conductivity different than the first conductivity, the first semiconductor layer having an exposed surface; a substrate piercing portion leading from the second surface to the first surface with a spacing from the exposed surface and opened without being covered with the at least one semiconductor stacked body; and an electrical path leading to the at least one semiconductor stacked body via the substrate piercing portion.
摘要:
The present invention discloses a III-nitride compound semiconductor light emitting device including an active layer for generating light by recombination of an electron and a hole between an n-type nitride compound semiconductor layer and a p-type nitride compound semiconductor layer. The active layer is disposed over the n-type nitride compound semiconductor layer. The III-nitride compound semiconductor light emitting device includes a masking film made of MgN and grown on the p-type nitride compound semiconductor layer, and at least one nitride compound semiconductor layer grown after the growth of the masking film made of MgN.
摘要:
The present invention is to provide a method for controlling an active layer of a Hi-nitride semiconductor light emitting device by doping a barrier layer(s) selected from the active layer to suppress light emission in a specific well layer(s).
摘要:
The present invention provides a III-nitride compound semiconductor light emitting device comprising an active layer (30) which emits light and is interposed between a lower contact layer (20) made of n-GaN and an upper contact layer (40) made of p-GaN, in which a sequential stack of a lattice mismatch-reducing layer L3 made of InxGa1-xN, an electron supply layer L4 made of n-GaN or n-AlyGa1-yN and a crystal restoration layer L5 made of InzGa1-zN is interposed between the lower contact layer and the active layer, and further comprising an electron acceleration layer L1 made of n-GaN or undoped GaN and a heterojunction electron barrier-removing layer L2, thereby the lattice mismatch between the lower contact layer (20) and the active layer (30) can be reduced.
摘要翻译:本发明提供了一种III族氮化物化合物半导体发光器件,其包括发射光的有源层(30)并且介于由n-GaN制成的下接触层(20)和由p形成的上接触层(40)之间 其中由In x Ga 1-x N制成的晶格失配减小层L3的顺序堆叠,由n-GaN或n-AllyGa1-yN制成的电子供应层L4和由InzGa1-zN制成的晶体恢复层L5的顺序堆叠是 插入在下接触层和有源层之间,还包括由n-GaN或未掺杂的GaN制成的电子加速层L1和异质结电子势垒去除层L2,从而使下接触层(20)和 可以减少有源层(30)。