Global Gallium nitride semiconductor devices  Market Size, Trends and Growth opportunity, By Product (GaN Radio Frequency Devices,Opto-semiconductors,Power Semiconductors). By  Component (Transistor, Diode, Rectifier, Power IC,Others).By  wafer size (2-inch, 4-inch, 6-inch, 8-inch).By  End use (Automotive, Consumer Electronics, Defense & Aerospace, Healthcare, Industrial & Power, Information & Communication Technology,Others)  By Region And Forecast till 2027.