Improved AC pixel electrode circuit for active matrix of organic light-emitting display

Yujuan Si; Liuqi Lang; Wanzhong Chen; Shiyong Liu

doi:10.1117/12.520282

12 May 2004 Improved AC pixel electrode circuit for active matrix of organic light-emitting display

Yujuan Si, Liuqi Lang, Wanzhong Chen, Shiyong Liu

Proceedings Volume 5280, Materials, Active Devices, and Optical Amplifiers; (2004) https://doi.org/10.1117/12.520282
Event: Asia-Pacific Optical and Wireless Communications, 2003, Wuhan, China

Abstract

In this paper, a modified four-transistor pixel circuit for active-matrix organic light-emitting displays (AMOLED) was developed to improve the performance of OLED device. This modified pixel circuit can provide an AC driving mode to make the OLED working in a reversed-biased voltage during the certain cycle. The optimized values of the reversed-biased voltage and the characteristics of the pixel circuit were investigated using AIM-SPICE. The simulated results reveal that this circuit can provide a suitable output current and voltage characteristic, and little change was made in luminance current.

Citation Download Citation

Yujuan Si, Liuqi Lang, Wanzhong Chen, and Shiyong Liu "Improved AC pixel electrode circuit for active matrix of organic light-emitting display", Proc. SPIE 5280, Materials, Active Devices, and Optical Amplifiers, (12 May 2004); https://doi.org/10.1117/12.520282

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