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:
Apr. 18, 2017
Filed:
Sep. 15, 2014
Applicant:
Dialog Semiconductor Inc., Campbell, CA (US);
Inventors:
Clarita Knoll, San Leandro, CA (US);
Xiaoyan Wang, Milpitas, CA (US);
Nan Shi, Newark, CA (US);
Guang Feng, Cupertino, CA (US);
Haiju Li, Fremont, CA (US);
Assignee:
Dialog Semiconductor Inc., Campbell, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 33/08 (2006.01);
U.S. Cl.
CPC ...
H05B 33/0815 (2013.01); Y02B 20/346 (2013.01);
Abstract
Intelligent control of a solid state lamp when coupled to a trailing edge phase cut dimmer switch is provided. On and off cycles of the lamp's power stage switch are enabled during a period when the energy in the bulk capacitor is at its highest levels. During this period a bleeder circuit does not have to be enabled, which results in a greater operational efficiency as compared with normal switching schemes for trailing edge dimmers.