Osram Opto Semiconductors is switching its fabrication of red, orange and yellow light emitting diodes to 6-inch wafers. The German high-tech company is extending the fabrication of all large-wafer LEDs to the indium-gallium-aluminum-phosphide (InGaAlP) material system and expanding its production capacity. The company began switching fabrication of blue LED chips back in 2011. The latest switch involves chips for LEDs intended for an wide range of applications. Red and yellow LEDs are used in virtually every sector: as turn indicators, brake lights and interior vehicle lighting in the automotive sector, in displays, for projection, for signage and for color mixing systems in general illumination.
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