Numerical Simulation on Electrical-Thermal Properties of Gallium-Nitride-Based Light-Emitting Diodes Embedded in Board

Table 1

Properties of the blue chip.

Materials	Parameter
	ℎ (𝜇m)	𝑘𝑇 (W/m·K)	𝜎 (S/m)
p/n-Pad	0.2	385	10^15
pGaN	0.1	160 × (𝑇/300)^−0.6	35
MQW	0.01	177 × (𝑇/300)^−0.8	10^3
nGaN	3.5	160 × (𝑇/300)^−0.6	10^4
substrate	200	38 × (𝑇/300)^−1.5	10^−7