When Michelangelo painted the ceiling of the Sistine Chapel, he did so, for the most part, using the light of the sun that streamed through the windows of the building. And for the past 500 years ...

You will learn about semiconductor light-emitting diodes (LEDs) and lasers, and the important rules for their analysis, planning, design, and implementation. You will also apply your knowledge through ...

The text explains the science behind diodes and LEDs, their applications, and the breakthroughs that led to the creation of blue LEDs.

Researchers have designed a light-emitting diode (LED) that produces bright directional polarized blue light. The device, developed at the University of California at Santa Barbara in the USA by ...