Abstract: A heat sink for cooling LEDs, which includes a heat sink housing which is configured as a finned concentric tube configuration. Also, an LED heat sink assembly and an LED cooling system which include a heat sink housing which is configured as a finned concentric tube configuration. Also, a method for cooling LED modules.
Abstract: A modular lighting system, which includes at least one power supply, an expandable support frame and a number of LED lamps which are attached to the expandable support frame. Also a modular lighting system, including at least one power supply, a number of lamps, a number of hub assemblies, each hub assembly having at least one interlocking slot, and least one interlocking connector, which interlocks with one of the interlocking slots.