As incandescent light bulbs are phased out, Light Emitting Diodes (LEDs) appear to offer a cheap, energy efficient source of artificial lighting. This programme explores the reality behind the hype, explaining how LEDs work, outlining their history and providing a detailed discussion of the qualities of LEDs within six key categories.

About the contributor(s)

Dominic Meyrick is Design Principal at Hoare Lea Lighting, a specialist lighting design consultancy.

Michael Rawlinson is an LED designer and Managing Director of NJO Technology.

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