In addition to their customary roles as indicators and illuminators, modern LEDs can also serve as photovoltaic detectors (reference 1 and reference 2). Simply connecting a red LED to a multimeter and ...

The light intensity curves for LEDs, regardless of whether they are collimated with a lens or reflectors, follow a bell shaped curve (often referred to as a “Lambertian“ curve). The 50% intensity ...

I wasn't sure the price was correct. Normally when I walk through Lowes, I check the price of LED bulbs. It seems they have always been between 11 and 15 dollars for the kind that would screw into a ...

India, April 7 -- Dentists spend long hours under focused LED and blue light sources, often without eye protection. This ...

A LED light pipe is an optical fiber or a solid transparent plastic rod for transmitting light from an LED mounted on a printed circuit board (PCB) to the user interface. Light pipes transmit up to 80 ...

As a long-time resident of Lake Tahoe, I have become increasingly aware of the modern intensity of the lighting homeowners are using. Many of the biggest offenders seem to be second-home owners or new ...

If people are sleepless in Seattle, it may not be only because they have broken hearts. The American Medical Association issued a warning in June that high-intensity LED streetlights — such as those ...