May 19, 2026 Kevin

In the history of LEDs, the Soviet Union once played a pioneering role, but now it no longer holds the position it once had (Russia). Why is that?

May 09, 2026 Yi Neng Chen

In 1907, British engineer Henry Joseph Round made an accidental operation in his laboratory, which became the starting point of LED history. This was not a carefully planned experiment, but a typical "serendipitous discovery."

May 08, 2026 Yinen Chen

The origin of LEDs (Light Emitting Diodes) was not the invention of a single scientist at one moment, but rather an evolutionary process of 'discovery-theory-application' spanning more than half a century. Its core principle is **electroluminescence**.

Apr 01, 2026 Kevin

This 300W 24V light box power supply is a carefully selected power supply that can drive an 895 DC motor.