Osram Oled Gmbh

Osram Opto Semiconductors Gmbh

Josip Maric

Hubert Halbritter

Andreas Wojcik

Martin Rudolf Behringer

Martin Haushalter

Frank Möllmer

Stefan Morgott

Andreas Fröhlich

A semiconductor radiation source includes at least one semiconductor chip that generates radiation; and at least one capacitor body, wherein the semiconductor chip and the capacitor body are stacked on top of each other, the semiconductor chip directly electrically connects in a planar manner to the capacitor body, the semiconductor chip is a ridge waveguide laser, and a ridge waveguide of the semiconductor chip is arranged on a side of the semiconductor chip facing away from the capacitor body.

Semiconductor radiation source

A semiconductor radiation source includes at least one semiconductor chip that generates radiation; a controller with one or more switching elements configured for pulsed operation of the semiconductor chip; and at least one capacitor body, wherein the semiconductor chip directly electrically connects in a planar manner to the capacitor body, the controller electrically connects to a side of the semiconductor chip opposite the capacitor body, and the controller, the capacitor body and the semiconductor chip are stacked on top of each other so that the capacitor body is located between the control unit and the semiconductor chip.

A driver circuit for at least one light-emitting optoelectronic component includes a control circuit having a capacitor and a control switch, wherein the control switch electrically connects to the component such that the component is supplied with current by the capacitor as a function of a switching state of the control switch, and a charging circuit having at least a first charging switch, a bias resistor and a buffer capacitor, wherein the charging circuit electrically connects to the capacitor and is configured to charge the capacitor through the bias resistor, and the buffer capacitor is linked to a connecting line between the bias resistor and the capacitor.

Driver circuit for light-emitting component

A radiation-emitting component is specified, having a metallic carrier body (), which comprises at least two connection locations () for making electrical contact with the component, a laser diode chip (), which is fixed to the metallic carrier body () and is electrically conductively connected to the at least two connection locations (), a housing (), which surrounds the metallic carrier body () in places, wherein the housing () is formed with a plastic, the connection locations () extend in each case at least in places along a bottom face () and a side face () of the housing (), said side face running transversely with respect to the bottom face, and the component is surface-mountable by means of the connection locations () in such a way that the bottom face () or the side face () forms a mounting face of the component.

Radiation-emitting component

Circuit arrangements for the operation of a pulse laser diode and methods for operating a pulse laser diode include a current source to supply a direct current to the pulse laser diode. The circuit arrangement can provide operation of the pulse laser diode that can be stable and without unintentional shifts in wavelength.

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Sinzing, Germany

Josip Maric