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Journal of Display Technology

Journal of Display Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 7, Iss. 9 — Sep. 1, 2011
  • pp: 515–519

The Feasibility of Using Cu as Reflective Anode in Top-Emitting Organic Light-Emitting Diodes

Xiao-Wen Zhang, Li-Ming Liu, Jun Li, Liang Zhang, Xue-Yin Jiang, Zhi-Lin Zhang, Hua Wang, and Xin-Yu Liu

Journal of Display Technology, Vol. 7, Issue 9, pp. 515-519 (2011)


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Abstract

The feasibility of using Cu as reflective anode for constructing efficient top-emitting organic light-emitting diode (TOLED) has been demonstrated. The MoOx modification can considerably enhance the work function of Cu anode, which contributes to the improvement of hole injection and thereby promoting device efficiency. In comparison with the TOLED having conventional Ag anode, the device having Cu anode shows inferior efficiency partially resulted from low reflectance of Cu, but the TOLED with Cu anode takes many advantages such as low-cost fabrication, enhanced pixel contrast ratio, weak microcavity effect and reduced leakage current. These improved performances are of great importance for practical applications, suggesting that Cu provides an alternative approach for realizing TOLED-based applications.

© 2011 IEEE

Citation
Xiao-Wen Zhang, Li-Ming Liu, Jun Li, Liang Zhang, Xue-Yin Jiang, Zhi-Lin Zhang, Hua Wang, and Xin-Yu Liu, "The Feasibility of Using Cu as Reflective Anode in Top-Emitting Organic Light-Emitting Diodes," J. Display Technol. 7, 515-519 (2011)
http://www.opticsinfobase.org/jdt/abstract.cfm?URI=jdt-7-9-515


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