AUTOMOTIVE SIDE AIRBAG AND METHOD OF OPERATING SAME

Proposed is an automotive side airbag including: an inflator ejecting gas when operating; an air cushion expanded and unfolded forward from a side of a passenger by the gas ejected from the inflator; and a diffuser disposed in the air cushion, supplying the gas ejected from the inflator to the air cushion, and having a discharge hole formed across a direction in which the air cushion is unfolded by the supplied gas.