Abstract: A light source is provided including a heat sink and a printed circuit board (PCB) with a driver and lamps disposed in the central cavity of the heat sink. Each lamp is a semi-spherical solid state lamp, and multiple optical structures in operable registration with lamps. The PCB may further have two heat conducting strips proximate opposing edges of the PCB. The optical structures emit substantially shadowless, substantially homogeneous, and substantially monochromatic light. The optical structure includes an optical element for each lamp that substantially collimates the lamp's light and an optical element receiving a portion of the substantially collimated beam and provides multiple optical images of the collimated beam with a focal point that is practically infinite.

Abstract: A multidirectional interior illumination lighting assembly is configured for mounting beneath a ceiling. The assembly includes a generally transparent planar acrylic panel and a hollow stringer which retains a panel edge and supports the panel in a horizontal position. The stringer carries a linear illumination source in registration with the panel edge. Additional stringers may be employed if additional edges of the panel are to be illuminated. To increase the direct and indirect illumination emanating from the panel, arrays of dots may be provided on the upper and lower faces of the panel.

Abstract: A cable suspension system for linear lighting fixtures simplifies installation procedures by providing a simple leveling adjustment compensation for weight imbalance about a longitudinal axis of the lighting fixture. A suspension cable is fixed in a bore of a cable fitting, with the cable fitting being mounted to a bracket which pivots relative to the fixture. The pivot axis is parallel to the longitudinal axis of the fixture. The angle of the bracket is adjusted relative to the fixture is adjusted such that the fixture as a whole hangs horizontally level.