The LED angular field-of-view is widened to increase the degree of luminance. Thus, the
utilization for automobile headlights and traffic signals has been accelerated. Due to
LED characteristics of low power, long life, high-speed response and excellence in
visibility, the automobile industry has been more employing the LED lights as its next
generation lighting system. The visible light communication is very suitable to the
automobile in the next generation, which require high-speed data transmission, long
life and low power consumption without any substantial change in its infrastructure.