Gallium Nitride Device Market Size, Share & COVID-19 Impact Analysis, By Device Type (Opto-Semiconductor Device, Power Semiconductor Device, and Rf Semiconductor Device), By Wafer Size (2-Inch Wafer, 4-Inch Wafer, and 6-Inch and Above Wafer), By Component (Transistor, Diode, Rectifier, Power IC, and Other), By Application (Light Detection & Ranging, Wireless and EV Lade-, Radar- und Satelliten-Funkfrequenz und andere), nach Endbenutzer und regionale Prognose, 2020-2027