????? ????? 17? ?? ???? ?? ??? LED ???? ‘??LED’(??) ?? ??? ????? ????.

????? ?? ??? ? 2900? ???.

????? ????? ?? 50 ? 50?? ??? ?? ??? ????? ????? ????. ???? ???? ? 3?, ???? ? 2??? ????.

??LED? ????? ?? 4?? ??? ????, ????? ??? ??SDI ???? ??? ??? ??? ????.

???? ?? “???? ??? LED??? ??? ??? ???? ??? ??? LED??? ???? ??? ???? ?? ?”??? “????? LED ?? ??? ????? ??? ???? ????? ??? ??? ??? ? ? ??”? ????.

??? ?? drake007@donga.com