O2Micro Granted Key Inverter Patent

Thursday December 14, 8:30 am ET


GEORGE TOWN, Grand Cayman, Dec. 14, 2006 (PRIME NEWSWIRE) -- O2Micro(r) International Limited (NASDAQ:OIIM - News) (HKSE:0457.HK - News), a leading supplier of innovative power management and security components and systems, was issued 10 claims under United States patent number 7,120,035 for its Inverter Controller invention.

This patented architecture uses a multi-tasking pin technique to reduce the overall pin count of the IC and number of external components, while maintaining the functionality and performance of the inverter controller. It is designed for multiple-CCFL (Cold Cathode Fluorescent Lamp) LCD Monitor and LCD TV applications.


``We are pleased with this patent grant,'' said Dr. Yung Lin, executive vice president, O2Micro. ``It simplifies the inverter module design while providing a cost-effective solution for the LCD Monitor and LCD TV markets.''


About O2Micro


Founded in April 1995, O2Micro develops and markets innovative power management, and security components and systems for the Computer, Consumer, Industrial, and Communications markets. Products include Intelligent Lighting, Battery Management, Power Management, SmartCardBus(r) and Security products, such as VPN/Firewall system solutions.


O2Micro International maintains an extensive portfolio of intellectual property with 6,230 patent claims granted, and over 8,000 more pending. The company maintains offices worldwide. Additional company and product information can be found on the company website at http://www.o2micro.com.


O2Micro, the O2Micro logo, SmartCardBus, and combinations thereof are registered trademarks of O2Micro. All other trademarks are the property of their respective owners.


Statements made in this release that are not historical, including statements regarding O2Micro's or management's intentions, hopes, beliefs, expectations, representations, projections, plans or predictions of the future, are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Such statements involve risks and uncertainties that may cause actual results to differ materially from those set forth in these statements. Factors that could cause actual results to differ materially include risks and uncertainties such as reduced demand for products of electronic equipment manufacturers which include O2Micro's products due to adverse economic conditions in general or specifically affecting O2Micro's markets, technical difficulties and delays in the developments process, and errors in the products. You are also referred to the Form F-1 in connection with the company's initial public offering in August 2000, Form F-3 in connection with the company's public offering in November 2001, and the annual reports on Form 20-F, which identify important risk factors that could cause actual results to differ from those contained in the forward-looking statements. The company assumes no obligation to update or revise any forward-looking information, whether as a result of new information, future events or otherwise.



O2Micro International Limited

Mitchell Benus, Director of Investor Relations

(408) 332-1749