LED

105 9

LED

LEDLED

2015(Internet of Things, IoT)

(Smart City)

LED

LED()

LED

: OSRAM

LED LED

2015

LED 30 2018

72.39 41%

()

LED

: NanoMarkets

(Melatonin)

LED

:

LED

LED

LED

2020 LED

7%(: A.T. Kearney)

LED

(

)

LED

LED

: (2015)

2011 LED

LED

LED

LED

LED

LED

LED LED

LED