NGK's GaN wafers promise improved internal quantum efficiency - small image shows LED element under light emitting test (Substrate size: 1cm square, Element size: 0.3mm square, Injection current: approx. 200mA, Center wavelength: 450nm)

NGK's GaN wafers promise improved internal quantum efficiency - small image shows LED element under light emitting test (Substrate size: 1cm square, Element size: 0.3mm square, Injection current: approx. 200mA, Center wavelength: 450nm)