Current spreading in GaN-based light-emitting diodes
Li Qiang1, 2, Li Yufeng1, 2, Zhang Minyan2, Ding Wen1, 2, Yun Feng1, 2, †,
       

Relationship between (a) IQE and the resistivity ρ, and (b) IQE and the thickness t. The J(0) = 100 A/cm2 is defined as high current density, and an order of magnitude smaller than this is defined as low current density. All the data are un-normalized.