Patent ID: 7049746

Claim:
A light-emitting unit comprising: a substrate including an obverse surface and a reverse surface; a first light-emitting element mounted on the obverse surface of the substrate, and a second light-emitting element mounted on the reverse surface of the substrate; a first lens arranged for dispersion of light and enclosing the first light-emitting element, and a second lens arranged for dispersion of light and enclosing the second light-emitting element; a first wiring pattern formed on the obverse surface of the substrate, and a second wiring pattern formed on the reverse surface of the substrate; and a reflecting layer arranged between each lens and a corresponding one of the first and second wiring patterns; wherein each lens includes a periphery which is adjacent to at least a part of an edge of the substrate; and wherein the reflecting layer is formed with an opening in which said corresponding one of the first and second wiring patterns is partially exposed.