Crown Electrokinetics Corp. develops and sells optical switching films in the United States. It operates in two segments, Electrokinetic Film Technology and Fiber Optics. The company offers DynamicTint technology, which allows transition between clear and dark in seconds that can be applied to a wide array of windows, including commercial buildings, automotive sunroofs, residential skylight, and windows; and smart window inserts for retrofitting in commercial and residential settings offering dynamic tinting along with additional insulation and soundproofing. It also focuses on the construction of 5G fiber optics infrastructure; and provides contracting services, such as program management and engineering, and aerial and underground fiber networks construction to the fiber optics and telecommunications infrastructure industry. The company was formerly known as 3D Nanocolor Corp. and changed its name to Crown Electrokinetics Corp. in October 2017. Crown Electrokinetics Corp. was incorporated in 2015 and is based in Corvallis, Oregon.