Efficiency droop suppression in GaN-based light-emitting diodes by chirped multiple quantum well structure at high current injection<xref ref-type="fn" rid="cpb142575fn1">*</xref>

Efficiency droop suppression in GaN-based light-emitting diodes by chirped multiple quantum well structure at high current injection*

Zhao Yu-Kun^a),^b), Li Yu-Feng^a),^b), Huang Ya-Ping^a),^b), Wang Hong^a),^b), Su Xi-Lin^c), Ding Wen^a),^b), Yun Feng^a),^b),^c)†

Energy band diagrams of LEDs with (a) uniform MQWs, (b) chirped MQWs-a, and (c) chirped MQWs-b structures at 600 mA/mm².