Background: Ultraviolet (UV) light is used for phototherapy ... In this study, we examined the bactericidal effects of UVB-light emitting diode (LED) irradiation on oral bacteria to explore ...

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

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 ...

The realization of compact and reliable diode-pumped solid-state lasers that ... are driving the need for the pulsed UV-DPSS lasers. LED manufacturers, for instance, like to use sapphire wafers ...