Osram has released a green laser for phone-based projectors, capable of delivering 140mW pulses. Although a projector also needs red and blue lasers, green is the colour that poses the greatest challenges in semiconductor laser and LED production. “Up to now, RGB laser projections for smartphones, based on a red, green and blue laser, often ...
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from Electronics Weekly https://www.electronicsweekly.com/news/products/led/green-laser-smartphone-rgb-projectors-2019-01/
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