| 摘要 |
A light emitting device comprises: a light emitting element (11a, 11b, 11c); a plurality of lead frames (12a to 12f) to which the light emitting element (11a, 11b, 11c) is electrically connected; and a package (13) that includes in its interior at least part of said lead frames (12a to 12f) which protrude outward at one end, that is equipped with an opening (14) for taking off light from the light emitting element (11a, 11b, 11c), and that extends in the lengthwise direction, wherein a concave portion (15a, 15b) is formed in the outer surface of at least part of the package wall, the lead frames (12a to 12f) protruding outward from the package (13) are accommodated in this concave portion (15a, 15b), and the walls that constitute said opening (14) and are across from each other in the widthwise direction of the package (13) comprise at least a first wall (13a) that is across from the light emitting element (11a, 11b, 11c), a second wall (13b) that is raised up by a step from the first wall (13a), and a third wall that links the first wall (13a) and the second wall (13b), and the second wall (13b) and third wall are formed thicker than the first wall (13a). |
