Disclosed herein is an organic light emitting diode display, including: a first thin film transistor including a first active pattern positioned on the substrate and a first gate electrode positioned on the first active pattern; a third thin film transistor including a third active pattern connected to the other end of the first active pattern and a third gate electrode positioned on the third active pattern; and a gate bridge directly connecting between the third active pattern and the first gate electrode and positioned between the substrate and the third active pattern.