Abstract:
An optoelectronic semiconductor chip is disclosed. In an embodiment a chip includes an active zone with a multi-quantum-well structure, wherein the multi-quantum-well structure includes multiple quantum-well layers and multiple barrier layers, which are arranged sequentially in an alternating manner along a growth direction and which each extend continuously over the entire multi-quantum-well structure, wherein seen in a cross-section parallel to the growth direction, the multi-quantum-well structure has at least one emission region and multiple transport regions, wherein the quantum-well layers and the barrier layers are thinner in the transport regions than in the emission region, wherein, along the growth direction, the transport regions have a constant width, and wherein the quantum-well layers and the barrier layers are oriented parallel to one another in the emission region and in the transport regions.
Abstract:
An optoelectronic semiconductor chip has a first semiconductor layer sequence which comprises a multiplicity of microdiodes, and a second semiconductor layer sequence which comprises an active region. The first semiconductor layer sequence and the second semiconductor layer sequence are based on a nitride compound semiconductor material, the first semiconductor layer sequence is before the first semiconductor layer sequence in the direction of growth, and the microdiodes form an ESD protection for the active region.
Abstract:
A method is provided for producing an optoelectronic device, comprising the steps of providing a substrate, applying a nucleation layer on a surface of the substrate, applying and patterning a mask layer on the nucleation layer, growing a nitride semiconductor in a first growth step, wherein webs are laid which form a lateral lattice, wherein the webs have trapezoidal cross-sectional areas in places in the direction of growth, and laterally overgrowing the webs with a nitride semiconductor in a second growth step, to close spaces between the webs.
Abstract:
An optoelectronic component includes a semiconductor layer structure having a quantum film structure, and a p-doped layer arranged above the quantum film structure, wherein the p-doped layer includes at least one first partial layer and a second partial layer, and the second partial layer has a higher degree of doping than the first partial layer.
Abstract:
A method for producing an optoelectronic semiconductor chip is disclosed. A substrate is provided and a first layer is grown. An etching process is carrying out to initiate V-defects. A second layer is grown and a quantum film structure is grown. An optoelectronic semiconductor chip is also disclosed. The method can be used to produce the optoelectronic semiconductor chip.
Abstract:
The invention concerns an optoelectronic component comprising a layer structure with a light-active layer. In a first lateral region the light-active layer has a higher density of V-defects than in a second lateral region.
Abstract:
An optoelectronic semiconductor device includes a semiconductor layer sequence including an active zone that generates radiation by electroluminescence; a p-electrode and an n-electrode; an electrically insulating passivation layer on side surfaces of the semiconductor layer sequence; and an edge field generating device on the side surfaces on a side of the passivation layer facing away from the semiconductor layer sequence at the active zone, wherein the edge field generating device is configured to generate an electric field at least temporarily in an edge region of the active zone so that, during operation, a current flow through the semiconductor layer sequence is controllable in the edge region.
Abstract:
An optoelectronic semiconductor chip is disclosed. In an embodiment a chip includes an active zone with a multi-quantum-well structure, wherein the multi-quantum-well structure includes multiple quantum-well layers and multiple barrier layers, which are arranged sequentially in an alternating manner along a growth direction and which each extend continuously over the entire multi-quantum-well structure, wherein seen in a cross-section parallel to the growth direction, the multi-quantum-well structure has at least one emission region and multiple transport regions, wherein the quantum-well layers and the barrier layers are thinner in the transport regions than in the emission region, wherein, along the growth direction, the transport regions have a constant width, and wherein the quantum-well layers and the barrier layers are oriented parallel to one another in the emission region and in the transport regions.
Abstract:
An optoelectronic semiconductor chip is disclosed. In an embodiment the optoelectronic semiconductor chip includes a first semiconductor layer sequence having a plurality of microdiodes, and a second semiconductor layer sequence having an active region. The first semiconductor layer sequence and the second semiconductor layer sequence are based on a nitride compound semiconductor material, the first semiconductor layer sequence is before the first semiconductor layer sequence in the direction of growth, and the microdiodes form an ESD protection for the active region.