Component with improved efficiency and method of producing a component

A component comprising a substrate, a first semiconductor body having a first active layer, a second semiconductor body having a second active layer, and a first transition zone, wherein

• the first active layer is configured to generate electromagnetic radiation of a first peak wavelength and the second active layer is configured to generate electromagnetic radiation of a second peak wavelength,
• in the vertical direction, the first transition zone is arranged between the first semiconductor body and the second semiconductor body and is directly adjacent to the first semiconductor body and directly adjacent to the second semiconductor body,
• the first transition zone comprises a radiation-transmissive, at least for the radiation of the first peak wavelength partially transparent and electrically conductive material so that the first semiconductor body electrically conductively connects to the second semiconductor body via the first transition zone, and
• the first transition zone comprises a structured main surface or a first partially transparent and partially wavelength-selectively reflective mirror structure.

A method of producing a component comprising:

• A) providing a first composite comprising a substrate, a first semiconductor body and a first terminal layer, wherein
• the first composite has a first exposed planar connecting surface formed by a surface of the first terminal layer, and
• the first semiconductor body is arranged between the substrate and the first planar connecting surface and comprises a first optically active layer;
• B) providing a second composite comprising an auxiliary substrate, a second semiconductor body and a second terminal layer, wherein
• the second composite comprises a second exposed planar connecting surface formed by a surface of the second terminal layer,
• the second semiconductor body is arranged between the auxiliary substrate and the second planar connecting surface and comprises a second optically active layer;
• and
• the first terminal layer and the second terminal layer each comprise a radiation-transmissive and electrically conductive material;
• C) mechanically and electrically connecting the first composite to the second composite at the first and second planar connecting surfaces by direct bonding to form a transition zone, wherein the transition zone comprises the first and the second terminal layers and has a structured main surface or a partially transparent and partially wavelength-selectively reflective mirror structure;
• and
• D) separating the auxiliary substrate from the second composite.

A component comprising a substrate, a first semiconductor body having a first active layer, a second semiconductor body having a second active layer, and a first transition zone, wherein

• the first active layer is configured to generate electromagnetic radiation of a first peak wavelength and the second active layer is configured to generate electromagnetic radiation of a second peak wavelength,
• in the vertical direction, the first transition zone is arranged between the first semiconductor body and the second semiconductor body and is directly adjacent to the first semiconductor body and directly adjacent to the second semiconductor body,
• the first transition zone comprises a radiation-transmissive, at least for the radiation of the first peak wavelength partially transparent and electrically conductive material so that the first semiconductor body is electrically conductively connected to the second semiconductor body via the first transition zone, and
• i. the first transition zone comprises a structured main surface being a common structured interface between a structured main surface of a first terminal layer of the first transition zone and a structured main surface of the first semiconductor body facing away from the substrate, and the main surface of first terminal layer faces the first semiconductor body and has an inverted structure of the main surface of the first semiconductor body;
• or
• ii. the first transition zone comprises a first partially transparent and partially wavelength-selectively reflective mirror structure, the first mirror structure comprises alternately disposed first layers and second layers, the first mirror structure has a plurality of through-contacts extending vertically throughout the first layers and the second layers, and the through-contacts are formed from an electrically conductive material.