Abstract: A motor vehicle headlight element is specified which has at least one light-emitting diode and at least one control apparatus. The control apparatus is suitable for processing a signal which is dependent on a measurement variable and for applying a current, corresponding to the signal, to the light-emitting diode. The control apparatus and the light-emitting diode are arranged on a common mount.

Abstract: An electronic ballast for a discharge lamp includes a microcontroller, which is configured to identify the parameters which determine the discharge lamp type. The microcontroller implements an orientation mode program once when the lamp is first switched on, which orientation mode program can be used to determine the type of discharge lamp.

Abstract: Various embodiments relate to an integrated gas discharge lamp including a lamp base, a gas discharge lamp burner and an ignition electronics, wherein the integrated gas discharge lamp includes an operation electronics for operating the gas discharge lamp burner, and the gas discharge lamp burner, the ignition electronics, and the operation electronics are unseparably coupled with each other.

Abstract: A semiconductor light module comprising: integrated drive electronics, a semiconductor light source applied to a disk-shaped module, the surface of which is electrically conductive, and wherein the module has good thermal conductivity. The drive electronics are positioned around the semiconductor light source, and the drive electronics comprise a circuit board having at least first and second conductor track levels. The first track level is oriented outward in the light emission direction in the installed state, and the second track level is enclosed by a closed cavity incorporated into the module. Ground-carrying lines of the circuit board are electrically connected to the surface of the module.

Abstract: A motor vehicle headlight element is specified which has at least one light-emitting diode and at least one control apparatus. The control apparatus is suitable for processing a signal which is dependent on a measurement variable and for applying a current, corresponding to the signal, to the light-emitting diode. The control apparatus and the light-emitting diode are arranged on a common mount.

Abstract: A motor vehicle headlight element is specified which has at least one light-emitting diode and at least one control apparatus. The control apparatus is suitable for processing a signal which is dependent on a measurement variable and for applying a current corresponding to the signal, to the light-emitting diode. The control apparatus and the light-emitting diode are arranged on a common mount.

Abstract: The invention relates to a circuit unit for a semiconductor unit which produces radiation, with a forward voltage Uf being applied during operation to the semiconductor unit which produces radiation, and with a forward current If flowing through the semiconductor unit which produces radiation, with the circuit unit regulating the forward current If such that an actual value Vact which depends on the forward current If and the forward voltage Uf assumes a predetermined nominal value Vnom. The invention also relates to a radiation source.

Abstract: Various embodiments relate to an integrated gas discharge lamp including a lamp base, a gas discharge lamp burner and an ignition electronics, wherein the integrated gas discharge lamp includes an operation electronics for operating the gas discharge lamp burner, and the gas discharge lamp burner, the ignition electronics, and the operation electronics are unseparably coupled with each other.

Abstract: A semiconductor light module comprising: integrated drive electronics, a semiconductor light source applied to a disk-shaped module, the surface of which is electrically conductive, and wherein the module has good thermal conductivity. The drive electronics are positioned around the semiconductor light source, and the drive electronics comprise a circuit board having at least first and second conductor track levels. The first track level is oriented outward in the light emission direction in the installed state, and the second track level is enclosed by a closed cavity incorporated into the module. Ground-carrying lines of the circuit board are electrically connected to the surface of the module.

Abstract: The invention discloses a method and/or electronic ballast, which can be universally used for a plurality of types of discharge lamps and which performs an orientation mode for detecting the lamp type once the lamp is switched on, whereby the lamp type is detected

Abstract: The invention relates to a circuit arrangement for operating high pressure discharge lamps and corresponding operating method, whereby the input voltage for the pulsed trigger device is increased by means of a series resonance loop (L3, C4), of a cascade circuit, or a symmetrical voltage doubling circuit.

Abstract: A motor vehicle headlight element is specified which has at least one light-emitting diode and at least one control apparatus. The control apparatus is suitable for processing a signal which is dependent on a measurement variable and for applying a current, corresponding to the signal, to the light-emitting diode. The control apparatus and the light-emitting diode are arranged on a common mount.

Abstract: The invention relates to a lamp base (2) for a high-pressure discharge lamp with a printed circuit board (30) mounted inside and populated with electrical components and printed conductors (31) for electrically contacting the components. At least one electrical contact (33) is mounted on the printed circuit board (30) for current supply (16) to the lamp, and at least one partition (24, 25) is provided for electrical insulation between the at least one electrical contact (33) or current supply (16) and the printed conductors (31) on the printed circuit board (30).

Abstract: A starting apparatus for a high-pressure discharge lamp provided with an auxiliary starting electrode, has a series resonant circuit for the purpose of generating the starting voltage for the high-pressure discharge lamp. The resonant inductance of the series resonant circuit includes the primary winding of a transformer, whose secondary winding is provided for the purpose of applying the starting voltage to the auxiliary starting electrode (Z) of the high-pressure discharge lamp. The invention also relates to a high-pressure discharge lamp, in particular to a vehicle headlight lamp, having such a starting apparatus arranged in the lamp base.

Abstract: The invention relates to a high-pressure discharge lamp having electrodes arranged inside a discharge vessel which define a discharge path of a gas discharge in the discharge vessel, and having a starting device, arranged inside the lamp base for the high-pressure discharge lamp and designed as a pulse starting device, for starting the gas discharge in the discharge vessel, and having, arranged outside its discharge vessel, an auxiliary starting electrode coupled to the pulse starting device, the voltage input of pulse starting device being connected in parallel with the discharge path of the high-pressure discharge lamp, such that according to the invention the voltage across the discharge path serves as supply voltage for the pulse starting device. Also disclosed is an operating method for such a high-pressure discharge lamp.

Abstract: A gas discharge lamp base (1) with a starting device has a carrier part (16) for electronic components (23 through 30) of the starting device. The carrier part (16) has a top side and a bottom side. Only high voltage-carrying components (23 through 26) of the starting device are arranged on the one side of the carrier part (16), and only low voltage-carrying components (27 through 30) of the starting device are arranged on the other side (low voltage side) of the carrier part (16).

Abstract: The invention relates to a lighting system with a high-pressure discharge lamp and a control unit (W, FS, C1, W) for the high-pressure discharge lamp (1), where the lamp base (10) has at least two housing parts (10a, 10b) which are connected to one another by a releasable closure (22). The first housing part (10a) has fastening means (24) for the at least one lamp vessel (11). The high-voltage part (TR) of the ignition device (TR, FS, C1) is accommodated in the first housing part (10a), whilst the second housing part (10b) is provided with the electrical connections (20) for the high-pressure discharge lamp (1) and preferably contains the remaining components (FS, C1) of the ignition device and the voltage converter (W) of the control unit.

Abstract: An apparatus for operating a discharge lamp from an on-board voltage source of a motor vehicle. The discharge lamp is operated at a first electrical power to produce a taillight and is operated with a second, higher power to produce a signal light.

Abstract: The drive circuit is suitable for an LED array, comprising a number of clusters of LEDs, with one cluster comprising a number of LEDs which are arranged in series and are connected to a supply voltage (UBatt). A semiconductor switch (transistor T) is arranged in series between the LED and the supply voltage and allows the LED current to be supplied in a pulsed manner. A measurement resistor (Rshunt) for measuring the LED current is arranged in series between the LED and ground, with a control loop controlling the semiconductor switch such that a constant mean value of the LED current is achieved.

Abstract: An optoelectronic component group has at least two LEDs (2) which are mounted on a support (3). The support is composed of a material having a thermal conductivity of better than 1.5 W/K×m, for example ceramic or composite material.