ThinkPad X series the presence of a 12.1-inch Thin-film transistor (TFT LCD) display. These design values – thin and light – continued to be a part of the ThinkPad X-series laptops even after the purchase of IBM’s Personal Computing Division by Lenovo. The first X Series ThinkPad released by Lenovo was the X41 in 2005. The ThinkPad X-series laptops from Lenovo were described by Trusted Reviews as combining an ultraportable's weight and form factor with a durable design. The X-series laptops include traditional ultraportables, as well as convertible tablet designs. According to Lenovo, the ThinkPad X-series laptops include low power processors, offer long
Lenovo companies said in a statement that they would establish a new company called Lenovo NEC Holdings, to be registered in the Netherlands. NEC received US$175 million in Lenovo stock. Lenovo was to own a 51% stake in the joint venture, while NEC would have 49%. Lenovo has a five-year option to expand its stake in the joint venture. This joint venture was intended to boost Lenovo's worldwide sales by expanding its presence in Japan, a key market for personal computers. NEC spun off its personal computer business into the joint venture. As of 2010, NEC controlled about 20% of Japan's