developed a vertically integrated micro-scale light-emitting diode (micro-LED) array which was then applied in deep ...

StockNews.com started coverage on shares of Energy Focus (NASDAQ:EFOI – Free Report) in a research note released on Monday morning. The firm issued a sell rating on the construction company’s stock.

We hypothesized that UVB would show bactericidal action like UVC, and we produced a small NB-UVB (310 nm) LED device for intraoral use to examine the bactericidal effects on oral bacteria.

Light-emitting diodes based on group III/nitride semiconductors ... These are a blue LED with yellow phosphors; an ultraviolet LED with blue and yellow phosphors (or red, green and blue phosphors ...