The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 20, 2011
Filed:
Nov. 03, 2008
Bruce R. Roberts, Mentor-on-the-Lake, OH (US);
William Winder Beers, Chesterland, OH (US);
Andrew Albrecht, Shaker Heights, OH (US);
Bruce R. Roberts, Mentor-on-the-Lake, OH (US);
William Winder Beers, Chesterland, OH (US);
Andrew Albrecht, Shaker Heights, OH (US);
General Electric Company, Schenectady, NY (US);
Abstract
An illuminating device includes a light source including a lighting device, such as a solid state lighting device, which emits light, a phosphor material which converts at least a portion of the light emitted by the lighting device to light of a different wavelength. A controller adjusts a ratio of on time to off time of a current waveform supplied to the lighting device. This enables the color of light emitted by the light source to be controlled.