AC drive circuit for OLED, drive method and display apparatus

An AC drive circuit for OLED, comprising:

• a storage unit and a drive unit;
• a first signal input terminal, a second signal input terminal, and a third signal input terminal;
• a light emitting control unit including:
• a light emitting control signal input terminal for inputting a light emitting control signal,
• a first transistor having a gate electrode thereof connected to the light emitting control signal input terminal, a source electrode thereof connected to the first signal input terminal, and a drain electrode thereof connected to the drive unit, and
• a fourth transistor having a gate electrode thereof connected to the light emitting control signal input terminal, a source electrode thereof transistor connected to the drive unit, and a drain electrode thereof connected to an anode of the OLED;
• and
• a charging control unit including:
• a scanning signal input terminal for inputting a scanning signal,
• a data signal input terminal for inputting a data signal,
• a second transistor having a gate electrode thereof connected to the scanning signal input terminal, a source electrode thereof connected to the data signal input terminal, and a drain electrode thereof connected to the drain electrode of the first transistor,
• a third transistor having a gate electrode thereof connected to the scanning signal input terminal, a source electrode thereof connected to the storage unit, and a drain electrode thereof connected to the drive unit, and
• a fifth transistor having a gate electrode thereof connected to the scanning signal input terminal, a source electrode thereof direct connected to the drain electrode of the fourth transistor, and a drain electrode thereof directly connected to the third signal input terminal,
• wherein the charging control unit is used for controlling the AC drive circuit to charge the storage unit,
• wherein the light emitting control unit is used for controlling the AC drive circuit so that the storage unit controls the drive unit to drive an OLED to emit light, and
• wherein the first signal input terminal is connected with the light emitting control unit and the storage unit, the second signal input terminal is connected with a cathode of the OLED, and the third signal input terminal is connected with the charging control unit.