[??? ???]中 “??? 販禁”? LED ??

??? ??? ?? ?? ??? ??? ??????(LED) ?????? ????? ??? ????.

7? ?????? LED ?? ????? ?? ??? ???. ??? ??? ?????? ???? 2?7350?? ??? ?? ?? ??? ???(14.98%), ?????(14.98%), ????(14.94%), ??????(14.63%) ?? ??????? ???. 4? ??? LED? ???? ?????? ??? ?? ?? ?? LED ???? ??? ????. ?? ?? ??? ??? 5? ? ??? ??? ?? ?????? ??? ?? ‘??’? ????? ??? ???.

??? ?? yunjung@donga.com