Osram and Koito have released a series of standardized LED signal lamps with their XLS product family and the lamps are used in the new Toyota Corolla Sport.
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
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