Gallium Nitride (GaN) Semiconductor Devices Market by Type (GaN Radio Frequency Devices, Opto-Semiconductors, and Power Semiconductors), Wafer size (2-Inch, 4 Inch, 6 Inch, and Above 6 Inch), Component (Transistor, Diode, Rectifier, Power IC, and Others), and End User (Communications, Power, Consumer Electronics, Automotive, Military & Defense, Medical, and Others): Global Opportunity Analysis and Industry Forecast, 2021-2027 …