Patent ID: 7944416

Claim:
An image display apparatus, comprising: a plurality of pixels, each pixel having a light emitting device, a drive transistor that has a gate electrode, a source electrode, and a drain electrode, one electrode of the source electrode and the drain electrode being electrically connected to one end of the light emitting device, a first switching transistor that electrically connects the gate electrode of the drive transistor and the one electrode of the drive transistor according to a scan signal, and a capacitor that has a first electrode and a second electrode, the first electrode being connected to the gate electrode of the drive transistor; a data line connected to the second electrode of the capacitor; and a data line drive circuit that supplies a brightness potential and a reference potential indicating reference of the brightness potential to the data line; and a first power supply circuit commonly connected to the other end of the light emitting device of each pixel and providing a first potential to the other end, wherein the first power supply circuit supplies the first potential as a constant potential, and wherein a relationship of V th , L-v >(C s /(C s +C OLED )) V th,i-v is satisfied where V th,i-v is a first threshold voltage of the organic electroluminescent device at which current starts to flow through the organic electroluminescent device, V th,L-v is a second threshold voltage of the organic electroluminescent device at which light emission is started in the organic electroluminescent device, C OLED is a capacitance value of the organic electroluminescent device, C s is a capacitance value of the capacitor.