Research improves upon conventional LED displays

When it comes to large, high-resolution displays, traditional LEDs have documented disadvantages. LED displays use a high voltage and a factor called the internal power conversion efficiency is low, which means the energy costs to run the displays are high, the displays do not last as long, and they can run too hot.

In a new paper published in Nano Research, researchers outline how a technological advance called quantum dots could be the solution to some of these challenges. Quantum dots are tiny, man-made crystals that act as semiconductors. Because of their size, they have unique properties that can make them useful in display technology.

Colloidal quantum dot provides a cost-effective way to construct high-performance LEDs using inexpensive solution processing techniques and chemical grade materials. Furthermore, as inorganic material, colloidal quantum dot surpasses emissive organic semiconductors in long-term operation stability.