Core Insights - A team of physicists from Julius Maximilian University of Würzburg has developed the world's smallest luminous pixel, paving the way for advancements in ultra-miniature display technologies for smart glasses, augmented reality (AR), and virtual reality (VR) [1][3] Group 1: Technological Breakthrough - The research team successfully created addressable sub-wavelength organic light-emitting diode (OLED) pixels on a minuscule area of 300 nanometers by 300 nanometers, achieving an external quantum efficiency (EQE) of 1% and a peak brightness of 3000 candelas per square meter (cd/m²) [1][3] - The innovative use of "optical antenna" technology allows for performance comparable to traditional pixels while maintaining rapid response capabilities [1][3] Group 2: Structural Innovations - The team addressed the challenge of uneven electric field distribution in nano-sized OLEDs by introducing a specially designed insulating layer with a central circular opening of 200 nanometers, ensuring uniform current distribution and stable operation [4][5] - The first batch of nano-pixels has demonstrated stable operation for up to two weeks at room temperature [5] Group 3: Future Applications - The technology is expected to drive the miniaturization of display devices, potentially allowing for integration into smart glasses and even contact lenses, thus facilitating the development of innovative wearable electronic devices [5]