AU Optronics Corp. is engaged in the research, development, design, manufacture and distribution of flat panel displays. It provides large-, medium- and small-sized flat panel displays, which include thin film transistor liquid crystal display (TFT-LCD) related products. It products are used in the manufacture of information technology (IT) products, communications and consumer electronics, and ordinary industrial products, such as desktop LCD displays, notebook computer monitors, network electronic products, digital cameras, video cameras, digital photo frames, automobile displays, portable digital video disk (DVD) players, mobile phones, smart handheld devices and automatic teller machines (ATMs), among others. It also involves in the solar cell manufacturing. On April 1, 2014, its subsidiary span off its assets related to the management of M.setek Co Ltd into a new subsidiary. On April 7, 2014, it completed sale of all its shares in a power company to an energy subsidiary.