Attended the International LED Expo and OLED Expo 2010 @ South Korea. It was indeed an eye opening event for me, attended the seminar on Day 1, learnt some fundamental of LED operation, properties and etc. There is actually no global standard for LED, Korea just recently started Korean Standard (KS), according to the LED manufacturer it was even harder to obtain compared to CE.
Here are some photos taken at the exhibition. :) Solar powered LED street lamp, some even come with a wind turbine, it is sort of a 2 in 1 street lamp. The LED dance floor was nice, as it changes in colour.

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