Global GaN Power Semiconductor Devices Market By Type (2Inch , 4Inch , 6Inch , 8Inch , and 12Inch), By Application (Communication , Automotive , ConsumerElectronics , Defence/Aerospace , Healthcare , Industry , and PowerandSolar&Wind,), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029