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It is available in warm white or cool white light

Tier-one suppliers and LED makers alike say that LED adoption in automotive interiors is growing the fastest of all. "Every interior request for a quote we've received from every manufacturer around the world the last two years has had some aspect of LED ambient lighting to it," Vaughan says.With the expected proliferation of hybrids and electric vehicles, LED use is expected to grow faster still over the next decade. On those vehicles, where power is at a premium, engineers are more likely to disregard cost differences and reach for LED technology. "It saves about 400-430 Watts of power across the interior of the vehicle, and about 20 Watts on the interior," Godwin says.

Meanwhile, engineers wanting more brightness per W are getting that, too. In April, Philips Lumileds rolled out the Luxeon Rebel ES, claimed to be the world's first high-efficacy power LED specified to deliver a minimum of 100 Lumens per W. The new breed of brighter products is expected to take LEDs into exterior applications, such as red stop lamps, where they've been used sparingly before.Engineers say that most of the success of LEDs is being realized in luxury- and mid-level vehicles for now. Cadillac's Escalade, as well as selected Lexus and Audi vehicles, are employing LEDs across the board in high-beam, low-beam, daytime running lamps and parking lights. But as prices continue to drop and automakers move to more energy-efficient vehicles, LEDs are expected to migrate toward entry-level cars.

The ULE4000 LightBlox(TM) module is a self-contained, plug-and-play LED light engine that includes the LED, integrated power supply, thermal management, proprietary control circuitry, and optics. It is available in warm white or cool white light. Its fully integrated 120-volt power supply means installing a ULE4000 light fixture is as simple as connecting two leads and the ground wire to an electrical junction box. Light fixture manufacturers can replace traditional ballast, sockets and bulbs with just one part.

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