Patents by Inventor Sandra Witkiewicz-Lukaszek

Sandra Witkiewicz-Lukaszek has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Composite Wavelength Converter
    Publication number: 20220393080
    Abstract: The invention refers to a composite wavelength converter (1) for an LED (100), comprising a substrate (10) and an epitaxial film (20) formed by liquid phase epitaxy on the top and bottom of the substrate (10). Furthermore, the invention refers to a method of preparation of a composite wavelength converter (1) for an LED (100). Furthermore, the invention refers to a white LED light source comprising an LED (100) and an inventive composite wavelength converter (1) mounted on a light emitting surface of the LED (100).
    Type: Application
    Filed: December 1, 2020
    Publication date: December 8, 2022
    Applicant: Friedrich-Alexander-Universität Erlangen-Nürnberg
    Inventors: Yuriy Zorenko, Miroslaw Batentschuk, Christoph Brabec, Andres Osvet, Vitalii Gorbenko, Ievgen Levchuk, Tetiana Zorenko, Liudmyla Chepyga, Anton Markovskyi, Sandra Witkiewicz-Lukaszek