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:
Jun. 14, 2011
Filed:
Nov. 16, 2006
Alexei A. Erchak, Cambridge, MA (US);
Michael Lim, Cambridge, MA (US);
Nikolay I. Nemchuk, North Andover, MA (US);
Alexander L. Pokrovskiy, Burlington, MA (US);
Robert F. Karlicek, Jr., Chelmsford, MA (US);
Rashmi Kumar, Billerica, MA (US);
Alexei A. Erchak, Cambridge, MA (US);
Michael Lim, Cambridge, MA (US);
Nikolay I. Nemchuk, North Andover, MA (US);
Alexander L. Pokrovskiy, Burlington, MA (US);
Robert F. Karlicek, Jr., Chelmsford, MA (US);
Rashmi Kumar, Billerica, MA (US);
Rambus International Ltd., Grand Cayman, KY;
Abstract
Illumination systems, which include at least one light source (e.g., LED and/or laser diode), light sensor, and a power source are described. In certain embodiments, a light sensor and a microprocessor are used to detect light emitted by a light source and to adjust the power signal provided to the light source at least partially based on the detected light. Some embodiments may enable the color point and/or brightness of the emitted light to be controlled at least partially based on the detected light. The illumination systems may be designed to be used as a liquid crystal display (LCD), general lighting apparatus, or any other illumination device.