Abstract: An optoelectronic semiconductor chip includes a carrier and a semiconductor body having a semiconductor layer sequence, the semiconductor body arranged on the carrier wherein an emission region and a detection region are formed in the semiconductor body having the semiconductor layer sequence; the semiconductor layer sequence includes an active region arranged between a first semiconductor layer and a second semiconductor layer and provided in the emission region to generate radiation; the first semiconductor layer is arranged on the side of the active region facing away from the carrier; and the emission region has a recess extending through the active region.

Abstract: An illumination device, comprising a basic body (1) having a cutout (5), a reflector (51), which is formed at least by parts of the cutout (5), and at least one optoelectronic semiconductor component (20) arranged in the cutout (5), wherein the semiconductor component (20) has an optical element (3) designed for directing at least part of the electromagnetic radiation emitted by the semiconductor component (20) during operation onto the reflector (51), wherein a radiation exit area (61) of the illumination device is at least twice as large as the sum of the radiation exit areas (44) of the semiconductor components.

Abstract: An optoelectronic semiconductor chip includes a carrier and a semiconductor body having a semiconductor layer sequence, the semiconductor body arranged on the carrier wherein an emission region and a detection region are formed in the semiconductor body having the semiconductor layer sequence; the semiconductor layer sequence includes an active region arranged between a first semiconductor layer and a second semiconductor layer and provided in the emission region to generate radiation; the first semiconductor layer is arranged on the side of the active region facing away from the carrier; and the emission region has a recess extending through the active region.

Abstract: A lighting device comprising a first light source for emitting electromagnetic radiation having a first electromagnetic spectrum and a second light source for emitting electromagnetic radiation having a second electromagnetic spectrum, wherein the first and the second electromagnetic spectrum are different from each other, wherein an intensity maximum of the first electromagnetic spectrum lie within the range of the spectral sensitivity of the human eye, and wherein an intensity maximum of the second electromagnetic spectrum lies within the range of the spectral sensitivity of the visual organs of nocturnal insects.

Abstract: An illumination device, comprising a basic body (1) having a cutout (5), a reflector (51), which is formed at least by parts of the cutout (5), and at least one optoelectronic semiconductor component (20) arranged in the cutout (5), wherein the semiconductor component (20) has an optical element (3) designed for directing at least part of the electromagnetic radiation emitted by the semiconductor component (20) during operation onto the reflector (51), wherein a radiation exit area (61) of the illumination device is at least twice as large as the sum of the radiation exit areas (44) of the semiconductor components.

Abstract: A lantern is disclosed that includes a lamp post (2) and at least two light emitting diodes (4) that are set up to emit, in operation, electromagnetic radiations (12) with electromagnetic spectra (17, 19) differing from one another, the light emitting diodes (4) being fastened in or on the lamp post (2).