Global Electrochromic Glass and Film Market By Type (Transition Metal Oxides (TMOs) , Polymers , Reflective Hydride , Nanocrystals , Violegens , Transparent Conductors , and Hybrid Photochromic/Electrochromic Smart Windows), By Application (Residential windows , Commercial windows , Automotive windows , Automotive mirrors , and Aerospace), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029