New conjugated polymers with stabilized blue emission

Hongsuk Suh; Jinwoo Kim; Youngeup Jin; Suhee Song; Yunna Kim; Sun Hee Kim; Sung Heum Park; Kwanghee Lee

doi:10.1117/12.762498

14 February 2008 New conjugated polymers with stabilized blue emission

Hongsuk Suh, Jinwoo Kim, Youngeup Jin, Suhee Song, Yunna Kim, Sun Hee Kim, Sung Heum Park, Kwanghee Lee

Proceedings Volume 6910, Light-Emitting Diodes: Research, Manufacturing, and Applications XII; 691009 (2008) https://doi.org/10.1117/12.762498
Event: Integrated Optoelectronic Devices 2008, 2008, San Jose, California, United States

Abstract

New light-emitting PCPP derivatives, poly(4,4-bis{4-[(2-ethylhexyl)oxy]phenyl}-4H-cyclopenta[def]phen- anthrene) (BEHP-PCPP), with stabilized blue emission is reported. The OLED with the configuration of ITO/PEDOT:PSS/BEHPPCPP/ Ca/Al generates EL emission with maximum peak at 430 nm, low turn-on voltage (9V), and CIE coordinates (x = 0.19, y = 0.15) for the blue color without any filtering. The maximum brightness of the OLEDs using BEHP-PCPP was 1034 cd/m² at 15 V. The maximum luminescence efficiency of the polymer LEDs with BEHP-PCPP was 0.21 cd/A at 617 mA/cm².

Citation Download Citation

Hongsuk Suh, Jinwoo Kim, Youngeup Jin, Suhee Song, Yunna Kim, Sun Hee Kim, Sung Heum Park, and Kwanghee Lee "New conjugated polymers with stabilized blue emission", Proc. SPIE 6910, Light-Emitting Diodes: Research, Manufacturing, and Applications XII, 691009 (14 February 2008); https://doi.org/10.1117/12.762498

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