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Launched by Japan-based Panasonic, this is the world’s first LED bulb that uses clear glass to show the light source. It features a single filament, coming with a power of 4.4 watts while lasting for over 40,000 hours. Requiring no time to get prepared, the bulb offers 100% of the light once you switch it on, and thus quite ideal for public places like the stairs and toilets. As a bonus, the bulb is announced to get a high efficiency, even remaining high lumen of 70% at end of life.

The bulb received the gold award in the “Japan Good Design Award 2011″.

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