In the LED lamp, 3x1W white LEDs are wired in series. Each 1W LED has a forward drop voltage of about 3V and draws current upto 260mA. This LED network is connected to a small circuit board populated ...

The 1W LED used produces about one hundred lumens. It’s arguable that the LED lumens can be collected more efficiently, so the total brightness onto the object and up the eyepiece is going to be ...

LEDs begin to produce light once their supply voltage is equal to or greater than the diode's forward voltage drop (typically in the region of 2-3V). The current required for full brightness varies ...

He includes two interesting demos. One is that by attaching the flickering LED to a BJT he can turn it into a current amplifier and successfully drive a much more powerful 1W LED with the same effect.

How we chose the best LED lights for your TV to improve your home entertainment experience. QLED, OLED, Mini LED … you’ve thought a lot about the backlighting technology in your TV.

Are LED headlights legal? Generally, yes, LED headlights are legal in the U.S. and much of Europe. However, after-market headlights may not be. Is there a limit to how bright headlights can be? No ...

More and more TVs are being advertised as mini-LED, but what does that mean, and why does it matter? I break down how this tech can make your TVs brighter, more vivid, and produce better contrast.

LED therapy is generally regarded as safe, he says, so unlike some treatments, people of all skin tones and types can use LED. The technology has support among health-care professionals outside ...