A display apparatus comprising a display panel and a light emitting module disposed oppositely is provided. The light emitting module comprises a light guide plate, a plurality of light guide grooves and at least a light unit. The light guide plate has at least a light incident surface, a first surface and a second surface opposite to the first | surface. The light guide grooves are disposed on the first surface. Each light guide groove has a bottom, which is the portion of each light guide groove closest to the second surface, wherein the larger the distance from the bottom to the closest light unit, the smaller the distance from the bottom to the second surface.