To provide an organic EL display capable of displaying an accurate color and reducing or preventing a decrease in light transmittance, an organic EL display includes a display portion having a plurality of organic EL elements arrayed therein, a circuit element portion having second thin film transistors serving as switching elements for the respective organic EL elements, and a first underlying protective film made of a silicon nitride film formed between the circuit element portion and the transparent substrate. The first underlying protecting film has a plurality of apertures formed corresponding to the positions of the respective organic EL elements.