Today Acer announced the first large display chromebook for CES 2015. Two display options are available: consumers will be able to purchase an acer chromebook wiht 15.6-inch display and resolution of 1920 x 1080 resolution or an HD 1366×768 resolution display.
Reference
Acer Debuts Industry’s First Chromebook with 15.6-inch Display. Acer Press Release. Retrieved January 3, 2015 from http://us.acer.com/ac/en/US/press/2015/151290