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Proceedings Paper

New conjugated polymers with stabilized blue emission
Author(s): Hongsuk Suh; Jinwoo Kim; Youngeup Jin; Suhee Song; Yunna Kim; Sun Hee Kim; Sung Heum Park; Kwanghee Lee
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Paper 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.

Paper Details

Date Published: 14 February 2008
PDF: 12 pages
Proc. SPIE 6910, Light-Emitting Diodes: Research, Manufacturing, and Applications XII, 691009 (14 February 2008); doi: 10.1117/12.762498
Show Author Affiliations
Hongsuk Suh, Pusan National Univ. (South Korea)
Jinwoo Kim, Pusan National Univ. (South Korea)
Youngeup Jin, Pusan National Univ. (South Korea)
Suhee Song, Pusan National Univ. (South Korea)
Yunna Kim, Pusan National Univ. (South Korea)
Sun Hee Kim, Gwangju Institute of Science and Technology (South Korea)
Sung Heum Park, Gwangju Institute of Science and Technology (South Korea)
Kwanghee Lee, Gwangju Institute of Science and Technology (South Korea)


Published in SPIE Proceedings Vol. 6910:
Light-Emitting Diodes: Research, Manufacturing, and Applications XII
Klaus P. Streubel; Heonsu Jeon, Editor(s)

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