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}

EL spectra of LED–OLED hybrid optical device under various current injections with inset showing EL spectrum of blue LED, red OLED, and LED–OLED hybrid device at 3 mA.