Patents by Inventor Petrus J.M. Burgt

Petrus J.M. Burgt 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).

  • Illumination device
    Patent number: 8414138
    Abstract: The invention relates to an illumination device (1), comprising: at least one LED (3) having an emission maximum in a first wavelength range; at least one LED (2) having an emission maximum in a second wavelength range; and a wavelength converting material (5) arranged to receive light of at least said first light wavelength range and having an emission maximum in a third wavelength range which is between said first wavelength range and said second wavelength range. The illumination device according to the invention may provide white light of acceptable overall color rendering while producing particularly high saturation of selected colors.
    Type: Grant
    Filed: November 3, 2009
    Date of Patent: April 9, 2013
    Assignee: Koninklijke Philipe Electronics N.V.
    Inventors: Egbert Lenderink, Marco Van As, Petrus J. M. Burgt
  • ILLUMINATION DEVICE
    Publication number: 20110205733
    Abstract: The invention relates to an illumination device (1), comprising: at least one LED (3) having an emission maximum in a first wavelength range; at least one LED (2) having an emission maximum in a second wavelength range; and a wavelength converting material (5) arranged to receive light of at least said first light wavelength range and having an emission maximum in a third wavelength range which is between said first wavelength range and said second wavelength range. The illumination device according to the invention may provide white light of acceptable overall color rendering while producing particularly high saturation of selected colors.
    Type: Application
    Filed: November 3, 2009
    Publication date: August 25, 2011
    Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.
    Inventors: Egbert Lenderink, Marco Van As, Petrus J.M. Burgt