NANOBRICK Co., Ltd. is engaged in developing, manufacturing and marketing of nano materials and its applications. Its products include electrically tunable photonic crystal, electrophoretic display materials, superparamagnetic nanoparticles and electro-chromatic films. The company was founded by Jae-Hyun Joo on May 15, 2007 and is headquartered in Pyeongtaek-si, South Korea.