An RGB LED. By mixing the red, green, and blue colors, this LED can emit white light The first white LEDs weren’t explicitly white LEDs. Instead, red, green, and blue LEDs were packed into a ...

In 1993, a literal lightbulb moment led to the invention of the first white light emitting diode (LED). These LEDs are now used to light up everything from our streets to our homes to this screen ...

1 shows a white-light LED in action). It is possible to generate light in semiconductor materials (such as GaN or AlInGaP) by injecting electrons into the conduction band of the material and ...

The VariWhite series LED luminaires feature variable white or bicolor temperatures tunable from 3200K to 5600K with a smooth transition to zero ...

Efficiency is the comparison of the amount of light (lumens) produced by a given amount of electrical energy (watts). The more the lumens per watt the more efficient the bulb.