Stackable luminescent device integrating blue light emitting diode with red organic light emitting diode

Su Kang^{1, 2}, Li Jing^{1, 2, †}, Ge Chang^{1, 2}, Lu Xing-Dong^{1, 2}, Li Zhi-Cong^{1, 2}, Wang Guo-Hong^{1, 2}, Li Jin-Min^{1, 2}

Fabrication steps of stackable luminescent device: (a) structure of LED device after depositing ITO on p-GaN, ICP etching for forming mesa structure and depositing multilayer metal films, (b) spin coating of photosensitive PI film and forming contact holes, (c) depositing ITO on cured PI film, (d) depositing the rest of red OLED.