Core Insights - A breakthrough in the miniaturization of organic light-emitting diodes (OLEDs) has been achieved by a team of chemical engineers at ETH Zurich, reducing the size of OLEDs to the nanoscale, specifically to a diameter of 100 nanometers, which is about 1/50 of current technology [1][3] - The maximum pixel density of these nano-OLEDs is approximately 2500 times higher than previous technologies, paving the way for ultra-high-resolution displays, such as those used in near-eye display devices [1][3] - The potential applications of nano-OLEDs extend beyond display technology, including use as high-resolution light sources for microscopes and as miniature sensors capable of detecting signals from individual nerve cells [1] Group 1 - The interference effect occurs when the spacing between nano-OLED pixels is reduced to less than half the wavelength of light, allowing for control over the phase of light waves emitted by adjacent pixels [2] - This characteristic enables the development of efficient miniature lasers and the generation of polarized light, which is valuable in medical imaging for distinguishing between healthy and cancerous tissues [2] - The manufacturing process involves a special thin and durable silicon nitride ceramic film that serves as a template for nano-OLED pixels, compatible with existing chip manufacturing processes [2] Group 2 - The research team is working on achieving phased array optical technology through precise control of interactions between nano-pixels, which could lead to advancements in holographic projection and three-dimensional image displays [2][3] - The miniaturization of OLEDs opens up new possibilities for applications in smart glasses and AR/VR devices, enabling ultra-high resolution on small lenses [3]