13 September 2012 Large area organic light emitting diodes with multilayered graphene anodes
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In this work, we demonstrate fully uniform blue fluorescence graphene anode OLEDs, which have an emission area of 10×7 mm2. Catalytically grown multilayered graphene films have been used as the anode material. In order to compensate the current drop, which is due to the graphene’s electrical resistance, we have furnished metal bus lines on the support. Processing and optical issues involved in graphene anode OLED fabrications are presented. The fabricated OLEDs with graphene anode showed comparable performances to that of ITO anode OLEDs. Our works shows that metal bus furnished graphene anode can be extended into large area OLED lighting applications in which flexibility and transparency is required.
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Jaehyun Moon, Jaehyun Moon, Joohyun Hwang, Joohyun Hwang, Hong Kyw Choi, Hong Kyw Choi, Taek Yong Kim, Taek Yong Kim, Sung-Yool Choi, Sung-Yool Choi, Chul Woong Joo, Chul Woong Joo, Jun-Han Han, Jun-Han Han, Jin-Wook Shin, Jin-Wook Shin, Bong Joon Lee, Bong Joon Lee, Doo-Hee Cho, Doo-Hee Cho, Jin Woo Huh, Jin Woo Huh, Seung Koo Park, Seung Koo Park, Nam Sung Cho, Nam Sung Cho, Hye Yong Chu, Hye Yong Chu, Jeong-Ik Lee, Jeong-Ik Lee, } "Large area organic light emitting diodes with multilayered graphene anodes", Proc. SPIE 8476, Organic Light Emitting Materials and Devices XVI, 84760U (13 September 2012); doi: 10.1117/12.928065; https://doi.org/10.1117/12.928065

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