Fluorescent tubes can hit 10,000cd/m2, and are probably the upper limit of safe continuous viewing, while the filament of a light bulb can be 10 million cd/m2. These figures come from a detailed ...

This keeps the rest of the components ... observed in LED lamps, although the yellow shift dominates in high-power white LEDs. This gradual yellowing of the light output results from phosphor ...

The semiconductor light-emitting diode, or LED, is a key component of today's technology. Modern households have numerous tiny glowing indicators — provided by LEDs — that are used for reading ...

LED lights typically last far longer than their incandescent predecessors. If your bulbs are failing early, these are the ...

Figuring out what components you need is the hardest part. If you decide against the convenience of an all-inclusive LED ...

Physicists have created the tiniest light-emitting diode (LED) displays ever 1. The image above was shown on a monochromatic display with pixels less than 100 micrometres across, about the width ...

We review hundreds of TVs each year, including LCD and LED televisions - take a look at our TV reviews to help you find the right model. LCD stands for liquid crystal display. The liquid crystals ...

Warm light is relaxing, and is best after the sun goes down. Note, however, that not every white LED smart bulb is color-temperature-tunable. Check out the specs before you buy. White smart bulbs ...

The LED, or light-emitting diode ... That means inside every LED bulb are tiny circuit components — and their soldered contact points — which are far more vulnerable than the diode itself.

Home Depot has announced a new line of white LED light bulbs under its EcoSmart brand. EcoSmart Universal Select Light Bulbs feature adjustable brightness and white color temperatures, but they ...

Light-emitting diodes (LEDs) are widely used electroluminescent devices that emit light in response to an applied electric voltage. These devices are central components of various electronic and ...