The roadmap to drastically reduce manufacturing cost and increase the reliability of solid-state lighting devices (LEDs) is to make full use of the highly a
White light is no longer safe to use as a lighting source after dusk due to its notorious effect on suppressing the generation of the oncostatic hormone,mel
Due to the continuous demand of higher lumen output,the power of high brightness LEDs has been raised substantially in the past 10 years.Higher power will i