People enter the LG Electronics booth through a tunnel of OLED televisions at Consumer Electronics Show (CES) in Las Vegas, the United States, Jan. 12, 2018. Electronics Show (CES) closed on Jan. 12. (Xinhua/Li Ying)

Photo taken on Jan. 12, 2018 shows Samsung's "The Wall" modular television at Consumer Electronics Show (CES) in Las Vegas, the United States. Electronics Show (CES) closed on Jan. 12. (Xinhua/Li Ying)

LG's robot for supermarket shopping is shown at Consumer Electronics Show (CES) in Las Vegas, the United States, Jan. 12, 2018. Electronics Show (CES) closed on Jan. 12. (Xinhua/Li Ying)

Robotis' robots dance at Consumer Electronics Show (CES) in Las Vegas, the United States, Jan. 12, 2018. Electronics Show (CES) closed on Jan. 12. (Xinhua/Li Ying)

Sony's Aibo robot is shown at Consumer Electronics Show (CES) in Las Vegas, the United States, Jan. 12, 2018. Electronics Show (CES) closed on Jan. 12. (Xinhua/Li Ying)

Sony's Aibo robot is shown at Consumer Electronics Show (CES) in Las Vegas, the United States, Jan. 12, 2018. Electronics Show (CES) closed on Jan. 12. (Xinhua/Li Ying)