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 mainly in the manufacturing, selling, packaging, testing and computer-aided design of integrated circuits and other semiconductor devices, and the manufacturing of masks. Its other segment mainly engage in the researching, developing, and providing SoC (System on Chip) design and also engage in the researching, developing, designing, manufacturing and selling of solid state lighting devices and renewable energy and related technologies and products. Its products and services are applied in computer, communications and consumer electronics, among others.