Patents by Inventor John Graham Woodgate

John Graham Woodgate 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 apparatus
    Patent number: 9557034
    Abstract: An illumination apparatus comprises a plurality of LEDs aligned to an array of directional optical elements wherein the LEDs are substantially at the input aperture of respective optical elements. An electrode array is formed on the array of optical elements to provide at least a first electrical connection to the array of LED elements. Advantageously such an arrangement provides low cost and high efficiency from the directional LED array.
    Type: Grant
    Filed: October 20, 2011
    Date of Patent: January 31, 2017
    Assignee: OPTOVATE LIMITED
    Inventors: John Graham Woodgate, Jonathan Harrold