Figure 6: Transient thermal and optical characteristics of different GaN LEDs. | Nature Communications

Figure 6: Transient thermal and optical characteristics of different GaN LEDs.

From: Improved heat dissipation in gallium nitride light-emitting diodes with embedded graphene oxide pattern

Figure 6

(a) Experimental transient cooling curves of the LED packages at an injection current of 150 mA. (b) Variations in junction temperature as a function of injection current. (c) Differential structure functions (K) of conventional, SiO2- and rGO-embedded LED packages under 150 mA current injections. (d) Light-output power of the LED chips as a function of injection current.

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