Patents by Inventor Madis Raukus

Madis Raukus 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).

  • LED wavelength-coverting plate with microlenses in multiple layers
    Patent number: 8334646
    Abstract: A wavelength-converting plate for a wavelength-converted light emitting diode (LED) assembly. The wavelength-converting plate includes multiple layers of microlenses deposited thereon. The microlenses may have an index of refraction different from an index of refraction of the wavelength-converting plate.
    Type: Grant
    Filed: September 27, 2010
    Date of Patent: December 18, 2012
    Assignee: OSRAM SYLVANIA Inc.
    Inventors: Alan Piquette, John Kelso, Nathan Zink, John Nappi, Yi Zheng, Madis Raukus