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Structured surface produced by etching processes promise improved light extractionhttps://www.led-professional.com/media/technology_light-generation_leds-produced-on-patterned-sapphire-substrates-improve-overall-efficiency-at-lower-costs_Structured%20surface%20produced%20by%20etching%20processes%20promise%20improved%20light%20extraction.jpg/viewhttps://www.led-professional.com/media/technology_light-generation_leds-produced-on-patterned-sapphire-substrates-improve-overall-efficiency-at-lower-costs_Structured%20surface%20produced%20by%20etching%20processes%20promise%20improved%20light%20extraction.jpg/@@images/image-1200-421696e858fda0c4d328f3ccbd265b07.jpeg
Structured surface produced by etching processes promise improved light extraction
