Light-emitting diodes (LEDs) are so ubiquitous that it's easy to forget just how much society relies on these underappreciated technological wonders. Yet, the history of the LED goes back further than ...

Their inventions have found their way into bedside lamps, television screens, and smartphones, and have the potential to give light to the 1.5 billion people who don't have access to electricity grids ...

The first official LED was created in 1927 by Russian inventor Oleg Losev, however, the discovery of electroluminescence was made two decades prior. British experimenter H. J. Round of Marconi Labs ...

With the invention of the first LED featuring a red color, it seemed only a matter of time before LEDs would appear with other colors. Indeed, soon green and other colors joined the LED revolution, ...

At CES in January, Sony announced several LCD TVs with "Triluminos," a new backlighting method that they promise offered "rich, authentic color, and excellent red and green reproduction." Digging ...

As biofuels continue to present challenges, microalgae are gaining momentum as a biofuel energy crop. Researchers show how a combination of monochromatic red and blue LED illumination on one type of ...

GRAND RAPIDS, MI - The Blue Bridge isn't just blue anymore. New color-changing LED lights turned the freshly painted blue pedestrian bridge green and red this morning at 6:30 a.m. The lights can also ...

In the United States and Canada, there have been many reports of LED street lights that were initially white but have suddenly turned purple. The reason for this change in color of LED street lights ...

To be more energy efficient, many people have replaced their incandescent lights with light-emitting diode (LED) bulbs. However, those currently on the market emit a lot of blue light, which has been ...