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Brief Published: 30 Jul 2014

Nanoleaf's Dimmable LED Bulb

Nanoleaf Bloom

The team behind Nanoleaf – the world's most energy-efficient light bulb – has created a dimmable bulb that doesn't require the user to change the switch. Currently seeking investment on crowdfunding platform Kickstarter, the Nanoleaf Bloom has already received more than three times the required amount, with well over a month left to go.

Conventionally, lights are made dimmable by using a different switch. However, by adding a built-in microprocessor to the bulb, an ordinary switch can still be used. When the light is switched on, the bulb gradually fades into brightness. Once it reaches the desired level of light, users simply turn the switch off and back on again to keep it there.

The bulb has the same specifications as the previous Nanoleaf – producing the lighting equivalent of a 75-watt bulb while using just 10 watts of power. When dimmed to 50% brightness, the energy used is only 2.5 watts, while the night mode reduces energy used to just 0.5 watts – saving both a huge amount of energy and money.

The design features 33 custom LEDs fixed to a printed circuit-board body that is shaped into an angular version of a conventional light bulb; this design allows for multidirectional light similar to traditional bulbs. The design also prevents the bulb from overheating, meaning it can be used in an enclosed fixture – something that isn't possible with all LED bulbs.

LEDs are increasingly being seen as standard in lighting due to their long-lasting and energy-saving properties. They are also opening up new possibilities for more minimal silhouettes and designs that play with reflection to soften their light, which is often harsh. See the Lighting report from Milan Design Week 2013 and Life-Enhancing Lighting for further inspiration.