10 April 2005 Fabrication of organic light-emitting diodes using ITO anodes grown on polyethersulfone (PES) substrates by pulse-laser deposition
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Abstract
Organic light-emitting diode (OLED) has a good candidate for next generation flat panel display (FPD). However, it is very difficult to fabricate high performance OLEDs on plastic substrate because its mechanical and thermal properties are very poor. Before the ITO deposition, we used a new plasma treatment for good contact with ITO and PES. PES substrate is stayed in vacuum above 12 hours to reduce humidity and unknown chemical gas. We successfully fabricate OLED on PES substrate using PLD-ITO anodes. We can observe more uniform and bright emission image from the OLED and fix the optimum conditions for fabrication process for OLED. Maximum electro luminescence (EL) and current density at a 100 cd/m2 are 2500 cd/m2, 2mA/cm2, respectively and external quantum efficiency of OLED is about a 2.0%.
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Kyung Hyun Kim, Kyung Hyun Kim, N. M. Park, N. M. Park, Tae Youb Kim, Tae Youb Kim, Kwan Sik Cho, Kwan Sik Cho, Jeong Ik Lee, Jeong Ik Lee, Hye Yong Chu, Hye Yong Chu, Gun Yong Sung, Gun Yong Sung, "Fabrication of organic light-emitting diodes using ITO anodes grown on polyethersulfone (PES) substrates by pulse-laser deposition", Proc. SPIE 5740, Projection Displays XI, (10 April 2005); doi: 10.1117/12.590113; https://doi.org/10.1117/12.590113
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