1. Conceptual Diagram of Technology (IMAGE) National Research Council of Science & Technology Caption This technology can control the transmittance of light by automatically adjusting the intensity of sunlight. It can manufacture high-performance smart windows by applying low-cost material process can be applied and. (photochromic devices based on electrochromic device) Credit Korea Institute of Energy Research (KIER) Usage Restrictions The sources of photos and research results from KIER must be specified. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.