2010-08-16

Chinese LED Display Company Retop Boasts Largest LED Video Screen

A 9,500 sq. m LED video screen, has been installed for 2010 World Expo Opening Ceremony, is from a chinese LED display company Retop LED Display Co. Ltd. Retop claims that the screen is now the largest LED screen in the world as well as the largest LED screen ever been used for the stage.
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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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