ChipMOS TECHNOLOGIES INC. engages in the research and development, manufacture, and sale of integrated circuits, and related assembly and testing services in Taiwan, Japan, the People’s Republic of China, Singapore, and internationally. The company operates through five segments: Testing, Assembly, Display Panel Driver Semiconductor Assembly and Testing (LCDD), Bumping, and Others. It offers a range of back-end testing services for high density memory, mixed-signal, and display driver semiconductors; and packaging solutions, such as small outline package, thin small outline package, quad flat package, and substrate-based packages.