O2Micro International Limited designs, develops and markets integrated circuits (ICs) for power management and security applications, as well as systems security solutions. The Company focuses its product design efforts on integrated circuits for consumer electronics, computer, industrial and communications products, including liquid crystal display (LCD) computer monitors, LCD televisions, notebook computers, Internet security devices, global positioning systems (GPS), mobile phones and portable digital versatile disc (DVD) players. O2Micro International Limited’s integrated circuit products manage and provide power for lighting of LCDs, provide connections between notebook computers and external plug-in cards, provide Internet security, control and monitor battery charging and discharging, and select and switch between power sources.