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Light Source Driving Circuit and Methodology Patent Granted to O2Micro
Green Technology Featured Articles
October 22, 2012

Light Source Driving Circuit and Methodology Patent Granted to O2Micro

By Shankar Pandiath
TMCnet Contributor

A global leader in the design, development and marketing of high-performance integrated circuits and solutions, O2Micro International (News - Alert) Limited (Nasdaq:OIIM) was granted 20 claims for its innovative Light Source Driving Circuit and Methodology under United States patent #8,228,004.


Patented Light Source (News - Alert) Driving Circuit and Methodology has an intelligent dimming control functionality that adjusts the LED light intensity. This innovative methodology provides low-cost system design with superior power factor.

The circuits use signals derived from the AC input voltage.

O2Micro's patented dimming technology enables LED bulbs to dim using any on/off switch. The technology thus eliminates cost, installation and compatibility issues which are normally associated with traditional incandescent dimmers. The dimming technology works with any on/off switch, including paddle switches, wall toggles, pull cords, rotary switches and other types of on/off switches commonly found on table and desk lamps, walls and extension cords.

Dr. Yung Lin, executive vice president of O2Micro, says this methodology ensures that the dimming control signal is not affected by any AC voltage variation and results in a relatively constant illumination of the light source.

Founded in 1995, O2Micro International Limited develops and markets innovative e-commerce and power management components for Communications, Computer, Industrial and Consumer markets.

Its IC products are manufactured by recognized foundries worldwide.

Its products include intelligent lighting, with numerous products in its battery management and power management sections. It has an impressive and extensive portfolio of intelligent property with about 20,690 patent claims granted and more than 21,000 patent claims are still pending. 

The company has a global presence with its offices situated worldwide.




Edited by Braden Becker


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