Characteristic improvements of thin film AlGaInP red light emitting diodes on a metallic substrate

Zhao Bin^{1, 2}, Hu Wei^{1, 2}, Tang Xian-Sheng^{1, 2}, Huo Wen-Xue^{1, 2}, Han Li-Li^{1, 2}, Zhao Ming-Long^{1, 2}, Ma Zi-Guang¹, Wang Wen-Xin¹, Jia Hai-Qiang¹, Chen Hong^{1, †}

(color online) Experimental PL curves of reference (Ref) RLED, thin film (TF) RLED in natural state, and bending thin film (TF) RLED into a convex state.