Taiwan Semiconductor Manufacturing Co., Ltd. is principally engaged in the research, development, manufacture and distribution of integrated circuit (IC) related products. The Company operates its businesses in two segments: foundry and other. Its foundry segment engages in the manufacturing, selling, packaging, testing and computer-aided design of integrated circuits and other semiconductor devices, as well as mask making services. Its other segment mainly engage in the research, development, design and provision of system-on-chip (SoC), as well as research, development, design, manufacture and sale of solid state lighting devices and solar energy related technologies and products. Its products and services are applied in computers, communications and consumer electronics, among others.