Oliver Hetzel

Title: Oliver Hetzel and LED Lighting Innovation.

Introduction

Oliver Hetzel is an inventor associated with Rüthen, Germany, and Hella GmbH & Co. KGaA. His patent work concerns circuit technology for LED lighting, including applications such as motor vehicle headlights.

Latest Patents

Hetzel is associated with 1 patent: “Energy supply for a light having a matrix of LEDs, in particular an LED motor vehicle headlight.” The invention describes a circuit arrangement that connects an LED matrix to an adjustable voltage source. The matrix consists of parallel branches, each containing at least one LED and an adjustable current source. A control unit adjusts the voltage source to a specified voltage and can receive information about matrix temperature, LED temperatures, voltages across the current sources, voltage across the matrix, and voltages at the LEDs. These measurements and status inputs support the control of the LED lighting system.

Career Highlights

Hetzel’s listed patent is focused on managing power and monitoring operating conditions in LED lighting. Its design addresses the needs of lighting systems in which multiple LED branches operate together, including vehicle headlight applications. His association with Hella GmbH & Co. KGaA places this work within the automotive lighting industry.

Collaborations

The provided information names Alberto Encinas Gomar and Ingo Möllers as Hetzel’s coworkers. It does not specify whether they collaborated with him on this patent.

Conclusion

Oliver Hetzel’s patent describes a controlled power-supply arrangement for LED matrices, combining adjustable voltage and current sources with temperature and voltage monitoring for lighting applications.