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luxim.jpgLuxim, a Sunnyvale, Calif. company that boats it produces one of the most efficient light sources on the globe — 144 lumens per watt — or almost twice as efficient as other sources, has raised $21 million more in financing, we’ve learned.

The money comes from leading Silicon Valley venture firm Sequoia Capital, as well as Crosslink Capital and DAG Ventures.

Lighting currently consumes almost a quarter of the world’s generated power, generating over 700 million tons of carbon dioxide. More efficient lighting is needed to fight global warming, and Luxim is the latest Silicon Valley company to help do that. Its powerful light sources target things like theatrical, architectural, street, retail and wider area lighting. It’s also used for medical and analytical instrument lighting, and also projection display.

Sequoia’s Pierre Lamond is on the board.

It’s LIFI technology combines solid-state electronics and full spectrum plasma emitters (see how it works here.) The company previously raised $40 million. We haven’t reported on this company before. It is four years old. Peter Rip, of Crosslink, confirmed the investment.

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