Provided is a display apparatus including a substrate, a plurality of light emitting device (LED) elements arranged in front of the substrate, a transmission layer formed on a front surface of the substrate to entirely cover the plurality of LED elements, a first polarization member arranged in front of the transmission layer, and a second polarization member arranged on a front surface of the first polarization member and allowing external light to be incident thereon, wherein the transmission layer is provided such that polarization of external light polarized through the second polarization member and the first polarization member is maintained in a course of the polarized external light passing through the transmission layer, being reflected by the front surface of the substrate or the plurality of LED elements and being directed to the first polarization member.