New efficient light-emitting polymer diode for flat-panel display applications

Salvatore Cina; Nick Baynes; Ellen Moons; Richard H. Friend; Jeremy H. Burroughes; Carl R. Towns; Karl Heeks; Rick O'Dell; Steven O'Conner; Nikoletta Anthanassopoulou

doi:10.1117/12.429389

15 June 2001 New efficient light-emitting polymer diode for flat-panel display applications

Salvatore Cina, Nick Baynes, Ellen Moons, Richard H. Friend, Jeremy H. Burroughes, Carl R. Towns, Karl Heeks, Rick O'Dell, Steven O'Conner, Nikoletta Anthanassopoulou

Author Affiliations +

Proceedings Volume 4279, Organic Photonic Materials and Devices III; (2001) https://doi.org/10.1117/12.429389
Event: Symposium on Integrated Optics, 2001, San Jose, CA, United States

Abstract

We report on a new polymer light emitting diode (PLED) based on a blend of immiscible polymers. The device shows high efficiency and current density over a broad range of driving voltage, therefore exhibiting very high brightness. The polymer film morphology plays a very important role in determining the device performance, and it can be controlled by changing the blend ratio as well as the polymers molecular weight. The high performance are discussed in terms of 'barrier free' injection into excitonic states. A predicted lifetime in excess of 10,000 hours has already been achieved, making this device structure an ideal candidate for backlighting and monochromatic application.

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Salvatore Cina, Nick Baynes, Ellen Moons, Richard H. Friend, Jeremy H. Burroughes, Carl R. Towns, Karl Heeks, Rick O'Dell, Steven O'Conner, and Nikoletta Anthanassopoulou "New efficient light-emitting polymer diode for flat-panel display applications", Proc. SPIE 4279, Organic Photonic Materials and Devices III, (15 June 2001); https://doi.org/10.1117/12.429389

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