Researchers at The University of Osaka, in collaboration with ULVAC, Inc. and Ritsumeikan University, have developed a new LED structure that generates circularly polarized light from a single chip.

A fundamental challenge in the design of LEDs is to maximise electro-luminescence efficiency at high current densities. We simulate GaN-based LED structures that delay the onset of efficiency droop by ...

The application of light-emitting diodes (LEDs) in display and lighting has been a topic of extensive research and development since the past decade 1. Especially, the development of white light LEDs ...