ChipMOS TECHNOLOGIES INC. engages in the research, development, manufacture, and sale of high-integration and high-precision integrated circuits, and related assembly and testing services in Taiwan, People's Republic of China, Japan, Singapore, and internationally. It operates through Testing; Assembly; Testing and Assembly for LCD, OLED and other Display Panel Driver Semiconductors; Bumping; and Other segments. The company provides a range of back-end assembly and testing services, including engineering test, wafer probing, and final test of memory and logic/mixed-signal semiconductors, as well as leadframe-based and organic substrate-based package assembly services for memory and logic/mixed-signal semiconductors; and gold bumping, reel to reel assembly, and test services for LCD and other panel display driver semiconductors. Its semiconductors are used in personal computers; graphics applications, such as game consoles; communications equipment; mobile products comprising cellular handsets, tablets, and consumer electronic products; and automotive/industry and display applications, such as display panels. The company was incorporated in 1997 and is headquartered in Hsinchu, Taiwan.