Organic light emitting display and method of driving the same with a driver with reduced power consumption in standby mode

A method of driving an organic light emitting display having a pixel unit having a first emission region and a second emission region, wherein the pixel unit is configured to generate a driving current in accordance with data signals and scan signals to emit light, the method comprising, in a standby mode:

• transmitting a first voltage from an initialization power source when data signals are transmitted for the second emission region;
• and
• transmitting a second voltage form an initialization power source when data signals are transmitted for the first emission region;
• wherein the pixel unit comprises a plurality of pixels, and
• wherein each of the pixels comprises:
• an organic light emitting diode (OLED);
• a first transistor comprising a first electrode coupled to a first node, a second electrode coupled to a second node, and a gate coupled to a third node so that driving current flows from the first node to the second node in accordance with a voltage of the gate;
• a second transistor comprising a first electrode coupled to a data line, a second electrode coupled to the first node, and a gate coupled to a first scan line;
• a third transistor comprising a first electrode coupled to the second node, a second electrode coupled to the third node, and a gate coupled to the first scan line;
• a fourth transistor comprising a first electrode coupled to the initialization power source, a second electrode coupled to the third node, and a gate coupled to a second scan line;
• a fifth transistor comprising a first electrode coupled to a first power source, a second electrode coupled to the first node, and a gate coupled to an emission control line;
• a sixth transistor comprising a first electrode coupled to the second node, a second electrode coupled to the organic light emitting diode (OLED), and a gate coupled to the emission control line;
• and
• a capacitor comprising a first electrode coupled to the first power source and a second electrode coupled to the third node.

An organic light emitting display, comprising:

• a pixel unit having a first emission region and a second emission region, wherein the pixel unit is configured to generate a driving current in accordance with data signals and scan signals to emit light so that light is emitted by the pixel unit only in the first emission region in a standby mode;
• a data driver for transmitting the data signals only for the first emission region in the standby mode;
• a scan driver for outputting the scan signals;
• and
• an initialization power source configured to provide, in the standby mode, a first voltage when data signals are transmitted for the second emission region, and a second voltage, differing from the first voltage, when data signals are transmitted for the first emission region;
• wherein the pixel unit comprises a plurality of pixels, and
• wherein each of the pixels comprises:
• an organic light emitting diode (OLED);
• a first transistor comprising a first electrode coupled to a first node, a second electrode coupled to a second node, and a gate coupled to a third node so that driving current flows from the first node to the second node in accordance with a voltage of the gate;
• a second transistor comprising a first electrode coupled to a data line, a second electrode coupled to the first node, and a gate coupled to a first scan line;
• a third transistor comprising a first electrode coupled to the second node, a second electrode coupled to the third node, and a gate coupled to the first scan line;
• a fourth transistor comprising a first electrode coupled to the initialization power source, a second electrode coupled to the third node, and a gate coupled to a second scan line;
• a fifth transistor comprising a first electrode coupled to a first power source, a second electrode coupled to the first node, and a gate coupled to an emission control line;
• a sixth transistor comprising a first electrode coupled to the second node, a second electrode coupled to the organic light emitting diode (OLED), and a gate coupled to the emission control line;
• and
• a capacitor comprising a first electrode coupled to the first power source and a second electrode coupled to the third node.