Bright Lights, Little Battery
Organic light-emitting diodes have been touted as a brighter and less power-hungry alternative to the standard liquid-crystal displays found in cell phones and other devices. Novaled, a startup in Dresden, Germany, aims to make OLEDs even more attractive by doubling their energy efficiency. The Novaled researchers infuse the outer, organic, layers of the multilayer diode with small amounts of another organic material, in much the way that chip makers “dope” semiconductors. The added molecules boost the layers’ electrical conductivity and thus reduce the amount of power the diode loses as heat. The company has already made a more energy-efficient green OLED, says CEO Gildas Sorin. It is close to doubling the efficiency of the red and blue OLEDs that would also be required for a full-color display, he adds. Novaled expects the first display containing its materials to hit the market by early 2006.
Keep Reading
Most Popular
Large language models can do jaw-dropping things. But nobody knows exactly why.
And that's a problem. Figuring it out is one of the biggest scientific puzzles of our time and a crucial step towards controlling more powerful future models.
How scientists traced a mysterious covid case back to six toilets
When wastewater surveillance turns into a hunt for a single infected individual, the ethics get tricky.
The problem with plug-in hybrids? Their drivers.
Plug-in hybrids are often sold as a transition to EVs, but new data from Europe shows we’re still underestimating the emissions they produce.
Google DeepMind’s new generative model makes Super Mario–like games from scratch
Genie learns how to control games by watching hours and hours of video. It could help train next-gen robots too.
Stay connected
Get the latest updates from
MIT Technology Review
Discover special offers, top stories, upcoming events, and more.