QLED vs LED is a TV battle that's been ongoing for years and continues still, with sets of each type prevalent in electronics stores today. Indeed, examples of both feature in our best TV buying guide ...

You might also enjoy this introduction to diode basics by W2AEW. If you have any great diode or LED hacks of your own, be sure to drop us a line!

Nearly every TV on the market today is either OLED or LCD. Here's a look at the pros and cons of each technology.

Here we demonstrate a directly modulated photonic crystal nanocavity light-emitting diode (LED) with 10 GHz modulation speed and less than 1 fJ per bit energy of operation, which is orders of ...

MicroLED is being proclaimed a direct rival to OLED, but what is the technology and why are AV purists getting excited about it? Let us explain all.

The simple Diode and LED Tester presented here costs under £5 to build (including all components, the battery and a cheap case) and will indicate the polarity of almost all types of LED and other ...