Beijing Institute of Technology Builds Full-Color Infrared Goggles Using 2-Layer OLED
Updated
Updated · Ars Technica · Jul 31
Beijing Institute of Technology Builds Full-Color Infrared Goggles Using 2-Layer OLED
1 articles · Updated · Ars Technica · Jul 31
Summary
Beijing Institute of Technology researchers built night-vision goggles that map different infrared wavelengths into distinct visible colors, producing a more natural-looking full-color image instead of the usual green display.
The device pairs mercury telluride colloidal quantum dots, which absorb infrared light, with a 2-layer OLED that converts that energy into visible color through internal wiring.
Infrared light beyond 700 nanometers normally remains invisible because its photons carry less than the roughly 1.6 electron volts needed to trigger the eye’s light-sensing pathway.
Most current infrared viewers show only brightness differences—often in green—while the new approach aims to use the human eye’s stronger ability to distinguish subtle hue changes.