GaN LEDs Grown on 6H-SiC

Bulman, K. Doverspike, H.S. Kong, M. Leonard, H. Dieringer, D. Emerson, D. Slater, G. Negley, J. Edmond and K.L. More 

TABLE 1 LED performance (from company technical data sheets). 

Company Wavelength (nm) FWHM (nm) Radiant flux (mW (3j 20 mA) Luminous intensity (cd) Substrate 

FIGURE 1 Schematic of a GaN LED structure grown on (a) sapphire and (b) SiC using an insulating buffer layer with a shorting ring. 

FIGURE 2 (a) Schematic and (b) SEM image of an AlGaN/GaN/AlGaN DH blue LED on SiC containing a conducting buffer layer. 

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C3.2 Toyoda Gosei GaN LEDs C3.3 GaN LEDs grown on 6H-SiC C3.4 Colour conversion of GaN LEDs C3.5 Degradation mechanisms in GaN LEDs... 

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