Polarized red, green, and blue light emitting diodes fabricated with identical device configuration using rubbed PEDOT:PSS as alignment layer
Zhang Haoran, Zhang Qi, Zhang Qian, Sun Huizhi, Hai Gang, Tong Jing, Xu Haowen, Xia Ruidong §
       

The current density–brightness–voltage (JLV) characteristics of the polarized LEDs with different active layer. Open square: current density. Filled and open up-triangle: luminance collected with polarizer parallel and perpendicular to the rubbing direction.