LED ü ȵ Ÿ ģȯ Һ ٲ ȵÿ ֿ䵵θ ģȯ LED ε üϴ ǥ Ѵ. 2012 ϰ ִ ص 5 鿩 ϴο ֿ䰣 ε 440 LED üѴ. 踦 ġ ̴ 翡 Ȱü 4 ü ȹ̴. õΰ ε ڴ ģȯ ʱ ü ټ ̱ ڿ ε Ⱓ ǰ ȿ ϴ١ . ȵô ̹ .. ߰ ˿ 200 ȵ űԷ ġ ֹλȰ ȹ̴.