This inventor holds 1 USPTO granted patent. Top assignee: Osram Gesellschaft MIT Beschraenkter Haftung. Active years: 2013.
Company Filing History:
Years Active: 2013
Title: Frederik Hempelmann: Innovator in LED Technology
Introduction
Frederik Hempelmann is a notable inventor based in Munich, Germany. He has made significant contributions to the field of light-emitting diode (LED) technology. His innovative approach has led to the development of a unique method for operating LED arrangements.
Latest Patents
Hempelmann holds a patent for a "Method for operating a light-emitting diode arrangement, and circuit arrangement." This patent describes a circuit arrangement that allows for precise control of LED current intensity. The controller transmits a current intensity value for each LED to a driver, which feeds the LED with current in a time sequence that includes a check pulse. A measuring device is configured to measure the light emitted by the LED during the check pulse. The controller utilizes only the measurement values from these check pulses to determine current intensity values. Additionally, the driver adjusts the current intensity based on factors such as the temperature of the LED and the voltage across it.
Career Highlights
Frederik Hempelmann is associated with Osram GmbH, a leading company in the lighting industry. His work at Osram has allowed him to focus on advancing LED technology and improving energy efficiency in lighting solutions.
Collaborations
Hempelmann has collaborated with notable colleagues, including Ralf Hying and Bernhard Reiter. These partnerships have contributed to the development of innovative lighting solutions and advancements in LED technology.
Conclusion
Frederik Hempelmann's contributions to LED technology exemplify the impact of innovation in the lighting industry. His patent and collaborative efforts continue to influence advancements in energy-efficient lighting solutions.