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In the beginning there was one LED beneath one lens. Mixing colors required different colored LEDs arranged in parallel. But times change and so one LED turned into several. In 2009 multichip diodes for the first time gathered more than one LED beneath a lens and moved the color mixture in the area before the light emission.

The 3in1 or tricolor LEDs with three LEDs beneath one lens became very popular and, for the last two years, standard in some fields of the market. But times change again now. Followers start to spread their wings and to become the new standard. Read more »