An adjustable strain relief boot includes a stationary portion and a moving portion slidably connected to the stationary portion. In the display device, a signal electrode is provided on the upper substrate, and a scanning electrode and a reference electrode are provided on the lower substrate. One end of the fixing tray is a pivot and two hooks. The storage cell includes a sourcedrain region underlying the trench. The shutter controller controls a shutter time during which the sensor array is responsive to the light incident on the sensor array according to a shutter value.