[1] Tang C W, Vanslyke S A. Organic electroluminescent diodes. Appl. Phys. Lett., 1987, 51(12):913～915

[2] Burroughers J H, Bradley D D C, Brown A R et al.. Light-emitting diode based on conjugated polymers. Nature, 1990, 347(6293):539～541

[3] Yang Y, Pei Q, Heeger A J. Efficient blue polymer light-emitting diodes from a series of soluble poly (paraphenylene)s. J. Appl. Phys., 1996, 79(2):934～939

[4] Chowdhry A, Pal A J. Alternating current light-emitting devices based on LB films of porphyrin derivative: Space charges in device operation. Thin Solid Films, 2001, 385(1):266～270

[8] Tan Haishu, Chen L C, Wang X et al.. Color tunable light-emitting diodes based on polymer/inorganic heterojunction. Chin. Phys. Lett., 1998, 15(2):137～139

[12] Braun D, Heeger A J. Visible light emission from semiconducting polymer diodes. Appl. Phys. Lett., 1991, 58(18):1982～1984