Disclosed herein is a display apparatus and a light source apparatus thereof. The light source apparatus includes an optical member; a substrate disposed on a first side of the optical member; and a supporter disposed between the optical member and the substrate, wherein the supporter comprises: a supporter body on the substrate; and a protective member disposed at a first end of the supporter body that is nearest to the optical member, the protective member comprising a material having at least one of stretchability and elasticity.