During the past three decades, the industrial development and commercialization of Polymer Dispersed Liquid Crystal (PDLC) technology has been in continuous evolution worldwide. In this period, when the industrial evolution of the field has been the subject of cycles of progresses and setbacks, it has witnessed the appearance and disappearance of many PDLC film and glass producers. Currently, there are over 15 PDLC film manufacturers and many more glass suppliers worldwide, creating a business turnover of more than $360million
