Patent ID: 8089477
Filing Date: 2012-01-03
Classification: G09G

Abstract:
1. A display device, comprising: a luminescence element including a first electrode and a second electrode; a first power line electrically connected to the first electrode; a second power line electrically connected to the second electrode; a capacitor for holding a capacitor voltage, the capacitor including a third electrode and a fourth electrode; a driver provided between the first electrode and the first power line for passing a signal current between the first power line and the second power line, the signal current corresponding to the capacitor voltage held by the capacitor; a data line electrically connected to one of the third electrode and the fourth electrode for supplying a signal voltage to one of the third electrode and the fourth electrode; a first switch provided between the data line and the one of the third electrode and the fourth electrode for causing the capacitor to hold the capacitor voltage, the capacitor voltage corresponding to the signal voltage; a voltage generation circuit electrically connected to the data line for supplying the signal voltage to the data line and supplying a pre-charge voltage to the data line; a current generation circuit electrically connected to the data line for supplying an inspection current to the luminescence element; a voltage detection circuit electrically connected to the data line for detecting a luminescence voltage of the luminescence element; a second switch electrically connected to the first electrode and the data line; and a controller configured to: