Mini LED vs. OLED: Which TV type is a better investment?

Choosing a new TV isn't always straightforward. Here's what to know about Mini LED and OLED display technologies before you ...
Electronic Design

Diode and LED Tester

The polarity markings on LEDs (Light Emitting Diodes) seem to be a common cause of confusion. The polarity may be indicated by a flat section on one side of the body or by one lead being shorter than ...
Zasilacz

Dlaczego dioda LED długo się wygasza? Jak skrócić czas wygaszania?

Witam, Wykonuję modyfikację pewnego urządzenia, dodając zewnętrzne zasilanie. Aktualnie działa wyłącznie na baterii 9 V. Bez wchodzenia w szczegóły. Układ zasilacza standardowy! Tzn. pierwotnie układ ...
EDN

Electronics for Kids: Part 8 – Seven-segment LED Display

In a previous article, we explored the behavior of an LED diode as a small light source. We have seen how important a protection resistor is to light up this component. In this article, we will ...
Nature

Ultrafast direct modulation of a single-mode photonic crystal nanocavity light-emitting diode

Optical interconnects have attracted much research attention in recent years owing to potential performance and power-consumption improvements over traditional electrical connectivity. A complete ...

Here's how long you can expect your mini LED TV to last

Mini LED technology is making waves as the next iteration of the flat screen television, but how long do you have until a ...
EDN

220V AC Powered Blinking LED

I needed a pulsating light for a certain signaling. Voltage was 230V. So I decided to make a simple circuit, consisted of a LED diode, two capacitors, two resistors, a diac and a diode. Activity of ...