 NEW YORK and SEOUL, South Korea, March 30, 2021 GLOBE NEWSWIRE -- SolarWindow Technologies, Inc. Symbol: WNDW, developer of transparent liquid coatings and processes for generating electricity on glass and plastics today announced that SolarWindow has more than doubled its prior certified performance, also achieving the highest independently-certified power conversion efficiency of previous organic photovoltaic devices fabricated at the U.S. Department of Energys National Renewable Energy Laboratory in Golden, Colorado through a Cooperative Research and Development Agreement CRADA. 