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. 22, 2015
Filed:
May. 21, 2013
Applicant:
Princeton Technology Corporation, New Taipei, TW;
Inventors:
Ming-Yuan Tsao, New Taipei, TW;
Ko-Han Chen, New Taipei, TW;
Assignee:
Princeton Technology Corporation, New Taipei, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01); H05B 33/08 (2006.01);
U.S. Cl.
CPC ...
H05B 33/0815 (2013.01); H05B 33/0842 (2013.01); Y02B 20/346 (2013.01);
Abstract
An LED driving method is provided. The method includes the steps of: receiving a brightness control signal, wherein the brightness control signal represents a duty cycle of an LED within a pulse width modulation cycle, and the duty cycle is indicated by a plurality of illuminating clocks; dividing the PWM cycle into a plurality of sub-PWM cycles; and equally distributing the illuminating clocks to each of the sub-PWM cycles.
Quick Actions:
Tsao, Ming-Yuan. (2015). Method and apparatus for driving light emitting diode (U.S. Patent No. 9144124). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9144124
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile