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5 ȿ ĵ ⸦ ȿ LED üϴ ̴.
Һ ⱸ ȿ LED⸦ ġϿ ĵ ü ü ȯ氳 ִ.
ȭ ⸦ ϴ δ, , տ, ȸ ü 2014 Ͽ 2017 6 8õ 16 4õ 鿩 ü 81 ĵ 7,800 ȿ LED üϷ Ͽ Һ 40% Ͽ.
(2018) 1 2õ 2 7õ ȮϿ Һ Ƹ 濩, δ 40 1,200 ĵ ⸦ ȿ LED üϿ 濡 ̴.
ڴ“ȭô뿡 ŵ δ ֹε ̿ϴ ü ü ȯ氳 LEDü Ȯ ”̶ .
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