Led lighting device with fault detection, and motor vehicle
AssigneeHella GmbH & Co. KGaA
InventorHelmut SEBASTIAN
Life of this patent
Estimating the term…
Abstract
An LED lighting device having an LED lamp series circuit with a first LED lamp and with a second LED lamp that is coupled to the first LED lamp through a lamp coupling point, an anode, a cathode, driver electronics for connection to the anode and the cathode for operation of the LED lamp series circuit, and a detection device for detecting a failure of the first LED lamp and the second LED lamp. The detection device, together with the first LED lamp and the second LED lamp, forms a first measuring bridge circuit. In addition, the invention relates to a motor vehicle with an LED lighting device according to the invention.
Claims10
An LED lighting device comprising:
- an LED lamp series circuit with a first LED lamp and with a second LED lamp that is coupled to the first LED lamp through a lamp coupling point, an anode, a cathode, driver electronics for connection to the anode and the cathode for operation of the LED lamp series circuit;
- and
- a detection device for detecting a failure of the first LED lamp and the second LED lamp,
- wherein the detection device, together with the first LED lamp and the second LED lamp, forms a first measuring bridge circuit.
Dependencies are inferred from the claim text.