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Japanese street lights use Luxeon power LEDs

Philips Lumileds Lighting

Luxeon power LEDs

Philips Lumileds has installed street lights using Luxeon power LEDs in Osaka Prefecture in Japan, reflecting the emergence of solid-state lighting as an energy-efficient alternative.

The fixtures, developed by Osaka-based Three Force, are saving over 90 per cent in electricity bills over the high-pressure mercury lamps used elsewhere in the region because of Luxeon's low power consumption.

Each of the LED-based street lamps installed at a park on the Kizu River utilises 36 cool white Luxeon LEDs.

The LED array generates 30 lux at a pole height of 4.5m, comparable to the brightness of mercury lamps, while using just 25W of power per fixture.

Future Lighting Solutions worked with Three Force to ensure that system design and bin selection enabled Three Force to meet the solution specifications.

In addition to energy savings, Luxeon LEDs offer a 60,000-hour lifetime and have the ability to achieve uniform light distribution with minimal glare in street lamp applications.

Light can be precisely targeted through LED placement and optics optimisation.

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