A light-emitting device with high luminance which has high uniformity in color and intensity can be provided. The light-emitting device includes a mounting substrate, a plurality of light-emitting elements disposed on the mounting substrate side by side, a wavelength conversion plate provided over the plurality of light-emitting elements and having a side surface, and a plurality of bumps disposed on the mounting substrate to abut against the side surface of the wavelength conversion plate, so as to determine a position of the wavelength conversion plate.