The construction of a white LED device with a high color rendering index using the CTO:0.04Bi 3+ /0.16Eu 3+ phosphor underscores its potential application in near-UV pumped white LED devices.

This pack of two Mr. Beams Wireless Motion Sensing LED Spotlights retails for $35, but you can shop it at Amazon for only $19. Buy two sets and add reliable lighting to your home, indoors and out.

Virtually all light-emitting diodes used today require phosphors based on so-called rare-earth elements, which are expensive and challenging to obtain. In a collaborative research project between ...

We begin our list with a set of LED truck bed lights from Nilight, which comprises two 60-inch strips of white LEDs designed to be installed under the sides of your truck’s bed.

This led to the white LED which are used to light up our streets, homes, and screens. Show more In 1993, a literal lightbulb moment led to the invention of the first white light emitting diode (LED).

White LED bulbs are commonplace in households by now, ... I’m just surprised it happened to home LED lights as well since that’s much less common occurrence despite the higher penetration.