PATENT GRANTED TO O2MICRO FOR SYSTEM AND METHOD FOR LIGHT SOURCE AND CONTROLLERS
Dec 16, 2021
GEORGE TOWN, Grand Cayman, Dec 16, 2021 (GLOBE NEWSWIRE) -- O2Micro ® International Limited (NASDAQ Global
Select Market: OIIM), a global leader in the design, development and marketing of high-performance integrated circuits and
solutions, today announced today announced the patent grant of light-source systems and controllers.
O2Micro was issued 20 claims under UK Patent No. GB 2544185 for the invention of light-source systems and controllers, which
provides a sense signal indicative of the light-source current, detects a variation in a ripple amplitude of the output current by
detecting a level of the indication signal, and controls a duty cycle of a switch so as to reduce an increasing rate of the ripple
amplitude if the level of the indication signal increases, and to reduce a decreasing rate of the ripple amplitude if the level of the
indication signal decreases.
Dr. Yung Lin, Executive Vice President, O2Micro, commented,"The invention provides LED display system applications with circuity
and/or method to obtain optimal LED current when there is an AC component present in the switching converter.”
About O2Micro:
Founded in April 1995, O2Micro develops and markets innovative power management components for the Computer, Consumer,
Industrial and Automotive markets. Products include Backlighting and Battery Management.
O2Micro, the O2Micro logo, and combinations thereof are registered trademarks of O2Micro. All other trademarks or registered
trademarks are the property of their respective owners.
Contact Information:
O2Micro Daniel Meyberg
Investor Relations
Email: ir@o2micro.com
