Patent ID: 8305305

Claim:
An image display device, comprising: a pixel circuit, the pixel circuit including: a current light-emitting element; an N-type driver transistor for flowing current in the current light-emitting element; a retention capacitor for retaining a retention voltage applied to the N-type transistor; an N-type writing switch transistor for writing the retention voltage to the retention capacitor based on an image signal; an N-type enable switch transistor wherein a drain of the N-type enable switch transistor is connected to a source of the N-type driver transistor and a source of the N-type enable switch transistor is connected to an anode of the current light-emitting element; an initialization capacitor; and an N-type separation switch transistor, wherein a first electrode of the retention capacitor is connected to a gate of the N-type driver transistor and a second electrode of the retention capacitor is connected to a first electrode of the initialization capacitor, wherein a second electrode of the initialization capacitor is connected to a trigger line, the trigger line supplying a trigger signal for initializing the retention voltage of the retention capacitor, wherein a drain of the N-type separation switch transistor is connected to the second electrode of the retention capacitor and the first electrode of the initialization capacitor, and wherein a source of the N-type separation switch transistor is connected to a source of the N-type driver transistor.