Patent ID: 8779459

Claim:
An LED unit, comprising: a wiring substrate mounted with an LED; a lens portion having a circular shape in a plan view of the LED unit for controlling distribution of light emitted from the LED; a housing, having an elongated shape in the plan view, which is provided with the lens portion and is arranged to accommodate the wiring substrate; and a pair of wiring lines electrically connected to the wiring substrate and extending out from the housing, wherein the lens portion has a convex shaped surface and is arranged in a central region of a surface of the housing, wherein a first lead-out portion, having a first lead-out hole for leading out one of the wiring lines in a longitudinal direction of the housing in the plan view, is provided at one end portion of the housing along the longitudinal direction, and a second lead-out portion, having a second lead-out hole for leading out the other wiring line in the longitudinal direction, is provided at the other end portion of the housing along the longitudinal direction, wherein the first lead-out portion and the second lead-out portion are arranged at the opposite sides from each other with respect to a centerline of the housing extending along the longitudinal direction in the plan view, and wherein each of the first lead-out hole and the second lead-out hole is provided in a surface extending along a short side of the housing in the plan view and, in the plan view, the distance from an outer periphery of the lens portion to the short side of the housing is greater than the distance from the outer periphery of the lens portion to a long side of the housing.