Patent ID: 8773334

Claim:
An electronic device including a luminescence display panel configured for active-matrix driving, the luminescence display panel comprising: (i) a plurality of pixel circuits each including: a driving transistor configured to control a driving current for a light luminescence device, a signal holding capacitor configured to output a driving voltage to the gate electrode of the driving transistor, a coupling capacitor connected to the signal holding capacitor; and a sampling transistor configured to control an operation to store a signal electric potential in the signal holding capacitor from a signal line; (ii) a capacitor control line connected to the coupling capacitors of a plurality of the pixel circuits; and (iii) a peripheral unit configured to control an electric potential of at least the capacitor control line and the signal line, wherein the peripheral unit being operable to: change an electric potential of the capacitor control line from a first potential to a second potential after the beginning of a reset period, the reset period being a period in which a reference electric potential is applied to the holding capacitors of the plurality of the pixel circuits, and change an electric potential of the capacitor control line from the second potential to the first potential after the end of the reset period, wherein the peripheral unit comprising a vertical unit and a horizontal unit, the each signal line respectively connected to the plurality of the pixel circuits, is controlled by the horizontal unit, and the capacitor control line is controlled by the vertical unit wherein the reference electric potential is provided through the horizontal unit, wherein the peripheral unit is operable to: change an electric potential of the capacitor control line from the first potential to the second potential while the reference electric potential is being applied to the plurality of the pixel circuits through the horizontal unit, and wherein the peripheral unit is configured to execute threshold voltage compensation process, and after the electric potential of the capacitor control line is changed from the second potential to the first potential, a signal stored in the signal holding capacitor is set to include a signal information and a threshold voltage information of the driving transistor.