Disclosure herein is related to laptop computer having a rear cover with luminous full-color pattern. The look of laptop computer essentially includes a host body and a screen cover. The host body and the screen cover are pivotally connected. Within the host body of the laptop computer, an input unit, an output unit, power supply unit, and a mainboard are generally included. It is characterized in that the screen cover is constituted of a liquid crystal display panel, an active light source, and a rear cover printed with a pattern. The liquid crystal display panel and the active light source are respectively connected with the mainboard electrically. The active light source of the laptop computer allows generating various lighting modes no matter in booting the computer, in use, or in standby state. Furthermore, to cooperate with the pattern on the light-transmissive rear cover, a variety of esthetic visions are presented.