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}

(a) The I–V characteristics of blue LED, red OLED, and LED–OLED hybrid optical device, and (b) J–V curve of OLEDs on LED and on ITO-coated glass.