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Improvement of pixel electrode circuit for active-matrix OLED by application of reversed-biased voltage

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5 Author(s)
Yujuan Si ; Dept. of Inf. Eng., Jilin Univ., Jilin Province, China ; Lang, L. ; Zhao, Yi ; Xinfa Chen
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In this paper, an improved ac pixel electrode circuit for active-matrix organic light-emitting display (AMOLED) has been proposed by adding a thin-film transistor. This circuit can provide an ac driving mode for AMOLED and makes the OLED in a reversed-biased voltage during the reverse cycle. And a circuit design for understanding ac driving mode was presented. The circuit simulation results indicate that this circuit is feasible. The circuit structure is practical for the AMOLED pixel driver; it can improve the performance of OLED.

Published in:

Circuits and Systems II: Express Briefs, IEEE Transactions on  (Volume:52 ,  Issue: 12 )

Date of Publication:

Dec. 2005

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