Linear wide area lighting system

摘要

A linear wide area lighting system includes an elongated substrate having a linear light emitter array disposed on the substrate. The array includes a plurality of light emitters such as light emitting diodes or lamps. An elongated refractive lens is positioned over the substrate and linear light emitter array such that light emitted from the emitters is incident on the refractive lens and is refracted through the lens into a wide illumination area. The lens is extruded in some embodiments providing the lens with a substantially uniform extruded cross-sectional profile in some embodiments. The substrate is housed either between a base and the lens in some embodiments, or in an integrally formed bore in the lens body in other embodiments. One or more end caps are located on the longitudinal ends of the lens and base to fully enclose and seal the substrate and linear light emitter array.

主权项

1. A lighting apparatus, comprising:
a substrate having first and second opposing sides, the substrate extending longitudinally in a first direction; a base defining a substrate channel shaped to receive the substrate, wherein the substrate is installed in the substrate channel of the base; a longitudinal mounting groove defined in the base; a longitudinal mounting flange disposed on the base, wherein the longitudinal mounting flange of the base is shaped to be received in a longitudinal mounting groove on a like base; at least one linear light emitter array disposed on at least one of the first and second opposing sides of the substrate, the array extending longitudinally in the first direction, the light emitter array comprising a plurality of light sources, each light source extending perpendicularly from the at least one of the first and second opposing sides of the substrate in a second direction, the second direction perpendicular to the first direction; an elongated refractive lens positioned over the substrate, the lens having a longitudinal axis extending in the first direction, the lens having a two-dimensional light refraction profile substantially transverse to the longitudinal axis, the lens including a longitudinal bore extending from a first end of the lens to a second end of the lens, the bore of the lens comprising a longitudinal recess facing the substrate, the plurality of light sources extending into the longitudinal bore; and a first mounting structure coupled to the substrate, the first mounting structure including at least a first longitudinal mounting slot, the first longitudinal mounting slot extending in the first direction parallel to the longitudinal axis, the first longitudinal mounting slot displaced away from the substrate in a third direction, the third direction perpendicular to the first direction and perpendicular to the second direction.