Provided are: a light-emitting device in which a side wall of a substrate has a desired thin shape; and an injection molding mold used for producing said light-emitting device. This light-emitting device comprises: a substrate that includes a stage member having a lead frame provided on the upper surface thereof, and a side wall member provided on the upper surface of the stage member; a light-emitting element provided on the upper surface of the lead frame; and a sealing resin that is charged into a recess surrounded by the stage member and the side wall member, and that includes at least a Mn 4+-activated halide red fluorophore. The bottom surface of the stage member includes a groove having a first groove bottom surface and a second groove bottom surface. The depth D1 from said bottom surface to said first groove bottom surface is greater than the depth D2 from said bottom surface to said second groove bottom surface.
