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. 16, 2015
Filed:
Jan. 24, 2014
Point Somee Limited Liability Company, Dover, DE (US);
Anatoly Shteynberg, San Jose, CA (US);
Dongsheng Zhou, San Jose, CA (US);
Stephen F. Dreyer, Santa Clara, CA (US);
Harlan Ohara, San Jose, CA (US);
Sinan Doluca, Saratoga, CA (US);
Point Somee Limited Liability Company, Dover, DE (US);
Abstract
Apparatus and method are disclosed for providing AC line power to lighting devices such as light emitting diodes ('LEDs'). A representative apparatus comprises: a plurality of LEDs couplable to form a plurality of segments of LEDs; a current sensor; and a controller to monitor a current level through an overall series LED current path, and to provide for first or second segments of LEDs to be in or out of the overall series LED current path at different current levels. The controller is configured to, in a first light emitting diode configuration, cause first and second segments of LEDs to be parallel to one another and in the overall series LED current path. The controller is further configured to, in a second light emitting diode configuration, cause first and second segments of light emitting diodes to be coupled in series and in the overall series light emitting diode current path.