Ultraviolet (UV) light emission device employing visible light for operation guidance, and related methods of use, particularly suited for decontamination

A handheld light emission device, comprising:

• a light source housing comprising a light source head, the light source head comprising a first opening defining an interior chamber;
• one or more second openings disposed in the light source head adjacent to the first opening defining the interior chamber;
• a light source, comprising:
• one or more UV lights disposed in the interior chamber of the light source head, the one or more UV lights each configured to emit UV light towards the first opening of the light source housing;
• one or more visible lights disposed in the light source head and configured to emit visible light away from the first opening of the light source housing and towards the one or more second openings in the light source housing;
• and
• an electrical control system comprising one or more light driver circuits electrically coupled to the one or more UV lights and the one or more visible lights, the one or more light driver circuits configured to:
• couple power from a power signal to the one or more UV lights, to cause the one or more UV lights to emit the UV light;
• and
• couple power from the power signal to the one or more visible lights to cause the one or more visible lights to emit the visible light.