Osram Ag

Patent Treuhand Gesellschaft Fur Elektrische Gluhlampen Mbh

Osram Gesellschaft MIT Beschrankter Haftung

Osram Gesellschaft MIT Beschraenkter Haftung

Osram S.p.a. - Societa' Riunite Osram Edison Clerici

Bernhard Siessegger

Guenther Hirschmann

Knut Asmussen

Manfred Roehl

Steffen Walter

Günther Hirschmann

Richard Matz

Marco Faccin

Manfred Röhl

Lars Kolbe

An integrated gas discharge lamp () with ignition electronics integrated into the base, comprising an ignition transformer (T), an ignition capacitor (CIP), and a controlled switching element (SIP), wherein the integrated ignition electronics are configured to generate an asymmetrical ignition pulse, and wherein the voltage ratio between the first lamp electrode near the base and the second lamp electrode distant from the base ranges from 22:1 to 5:4.

Integrated gas discharge lamp with an ignition electronics integrated into the base for generating asymmetrical ignition pulses

An ignition transformer () for generating an ignition voltage for a high-pressure gas discharge lamp () which has a high-pressure gas discharge lamp burner (), comprising a ferrite core () and at least one primary winding () and at least one secondary winding (), the at least one secondary winding () being formed from an insulated metal strip that is disposed on the ferrite core () in such a way that the end of the at least one secondary winding () that carries the high-voltage is disposed on the inside, wherein the ferrite core has the form of a film reel, and the secondary winding () is wound onto the ferrite core like a film.

Integrated gas discharge lamp and ignition transformer for an integrated gas discharge lamp

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.

Universal electronic ballast for operating Hg-free lamps and Hg-containing discharge lamps

An ignition transformer for a discharge lamp is provided having a transformer core whose material and dimensions are selected in such a manner that the Curie temperature of the material after the ignition which is achieved by means of the ignition transformer can be achieved by a voltage drop across a secondary winding of the ignition transformer.

Ignition transformer for a discharge lamp

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.

Integrated gas discharge lamp

A circuit arrangement for operating at least one semiconductor light source having an input for inputting an input voltage, an output for outputting an output voltage to the semiconductor light source, wherein the main current path of the circuit arrangement lies between the two input terminals, and comprises a series circuit formed by a switch, an inductance and a back-to-back connection of a first diode or light emitting diode and the at least one semiconductor light source, wherein a first storage capacitor is arranged in parallel with the at least one semiconductor light source, and a second diode is arranged in series with this parallel connection.

Circuit arrangement for operating at least one semiconductor light source

An electronic component module includes at least one first multi-layer circuit board module () and a cooling arrangement (), the cooling arrangement () being in contact with an upper side of the circuit board module (). The cooling arrangement () is designed such that waste heat generated during operation of the electronic component module () is extracted in a lateral direction with relation to the arrangement of the circuit board module () by the cooling arrangement ().

Electronic component module

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.

High-pressure discharge lamp having a pulse starting device, and operating method for a high pressure discharge lamp

A circuit for operating high-pressure discharge lamps, wherein a voltage transformer for power supply to a loading circuit includes a connection for the high-pressure discharge lamp (La) and for the secondary winding (L) of an ignition transformer (T) for an impulse ignition system for igniting a gaseous discharge in the high-pressure discharge lamp. The loading circuit includes at least one capacitor (C) serially arranged with the secondary winding (L) of the ignition transformer (T) when the impulse ignition system is reconnected, the capacity of the capacitor (C) being selected in such away that the capacitor (C) substantially forms a bridging for ignition impulses generated by the impulse ignition device in such a way that after ignition of the gaseous discharge in the high-pressure discharge lamp (La), at least one partial compensation of the ignition transformer (T) is produced when the lamp current passes through the secondary winding (L).

Growing community of inventors

Munich, Germany

Bernhard Siessegger