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Journal of Display Technology

Journal of Display Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 6, Iss. 7 — Jul. 1, 2010
  • pp: 279–283

Easy Process and Performance Improvement for Top-Emission Organic Light-Emitting Diodes by Using UV Glue as the Insulation Layer on Copper Substrate

Yu-Sheng Tsai, Shun-Hsi Wang, Fuh-Shyang Juang, Shu-Wei Chang, Chuan-hung Chen, Ming-Hua Chung, Tsung-Eong Hsieh, Mark-O. Liu, and Teh-Chao Liao

Journal of Display Technology, Vol. 6, Issue 7, pp. 279-283 (2010)


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Abstract

A high heat dissipation material (copper, Cu) was employed as the substrate for top emission organic light-emitting diodes (TEOLEDs). The UV glue was spin-coated onto the Cu substrate as the insulation layer to effectively improve Cu surface roughness and reduce process complexity. From the optoelectronic results, the optimized device with the Cu substrate shows the maximum luminance of 14110 $\hbox{cd/m} ^{2}$ and luminance efficiency of 7.14 cd/A. The surface and junction temperatures are measured to discuss the heat-dissipating effect on device performance. From the results, TEOLED fabricated on a Cu substrate has lower junction (55.34 $^{\circ}\hbox{C}$) and surface (25.7 $ ^{\circ}\hbox{C}$) temperatures, with the lifetime extended seven times. We employed Cu foil as the substrate for flexible TEOLED with maximum luminance of 10310 $\hbox{cd/m} ^{2}$ and luminance efficiency of 7.3 cd/A obtained.

© 2010 IEEE

Citation
Yu-Sheng Tsai, Shun-Hsi Wang, Fuh-Shyang Juang, Shu-Wei Chang, Chuan-hung Chen, Ming-Hua Chung, Tsung-Eong Hsieh, Mark-O. Liu, and Teh-Chao Liao, "Easy Process and Performance Improvement for Top-Emission Organic Light-Emitting Diodes by Using UV Glue as the Insulation Layer on Copper Substrate," J. Display Technol. 6, 279-283 (2010)
http://www.opticsinfobase.org/jdt/abstract.cfm?URI=jdt-6-7-279

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