Regular LEDs produce only a single color of light, usually white. Full-spectrum LED grow lights have blue lights that encourage plant growth and red lights that promote flowering.

Some 15,000 insects were captured, belonging to 763 unique species. A significantly greater variety of species—and far more individual insects—were captured in the white LED traps.

White LED bulbs are commonplace in households by now, mostly due to their low power usage and high reliability. Crank up the light output enough and you do however get high temperatures and corresp… ...

A new publication from Opto-Electronic Advances; DOI 10.29026/oea.2024.240050, discusses Finely regulated luminescent Ag-In-Ga-S quantum dots with green-red dual emission toward white light ...

At its core you need a source of white light (e.g. a white LED), with a way to focus the light so as to get a spatially coherent light source, like aluminium foil with a pin hole and a lens.