The global market for gallium nitride (GaN) semiconductor devices is largely consolidated, with the top four companies commanding a share of over 65% of the overall market in 2015, states Transparency Market Research (TMR) in a new report. The dominant company among these four top vendors, Efficient Power Conversion Corporation, accounted for a 19.2% share of the global market in the said year. The other three topmost companies of the global market, which collectively enjoyed a considerably large share in the overall global market in the said year, are NXP Semiconductors N.V., GaN Systems Inc., and Cree Inc. Defense and Aerospace Industries Continue to Dominate; Healthcare Industry to Present Novel Growth Opportunities Of the key end-use industries utilizing GaN semiconductor devices, applications across the defense and aerospace industry are the dominant contributor to the overall market revenue presently. In 2015, this end-use segment accounted for a share of more tha...