2014-03-21

Moving Beyond Luminous Efficacy

As competition in the lighting industry intensifies, manufacturers need to get their heads around upgrading luminous efficacy, said Money Chen, Special Assistant, President Office, Epistar at Taiwan and Japan Lighting Industry Forum at Taiwan International Lighting Show (TILS) 2014 at Taiwan World Trade Center Nangang Exhibition Hall, Taipei, Taiwan.
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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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