2014-02-05

Osram Opto Semiconductors Expands InGaAlP LED Capacity

Osram Opto Semiconductors is keeping pace with the constant growth of the market and switching its fabrication of red, orange and yellow light emitting diodes to 6-inch wafers. The German high-tech company is therefore extending the fabrication of all large-wafer LEDs to the indium-gallium-aluminum-phosphide (InGaAlP) material system and therefore expanding its production capacity. The company began switching fabrication of blue LED chips back in 2011.
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For three decades, white LEDs have depended on rare earth materials such as yttrium aluminum garnet (YAG) layered onto a blue LED chip (Figure 1). Seoul Viosys Co., Ltd. (KOSDAQ: 092190) today announced that it has broken that dependence. It h... READ MORE

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