A simple and effective approach to improve the output linearity of switched-current AMOLED pixel circuitry
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Guo, X and Silva, SRP (2007) A simple and effective approach to improve the output linearity of switched-current AMOLED pixel circuitry IEEE ELECTRON DEVICE LETTERS, 28 (10). 887 - 889. ISSN 0741-3106
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Abstract
Switched-current (S-I)-type pixel circuits are widely studied for high-performance active-matrix organic light-emitting-diode displays but suffer significant sampling and hold (S/H) nonidealities. In this letter, a simple and effective capacitive compensation method is proposed to suppress the S/H nonidealities and, thus, to greatly improve the current-reproducing accuracy and the output linearity of the circuits. The analysis procedure clearly demonstrates the operation mechanism of the method, and the simulation results of Simulation Program with Integrated Circuit Emphasis prove its excellent applicability for S-I pixel circuits.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Science & Technology, Technology, Engineering, Electrical & Electronic, Engineering, active-matrix, current-mode, organic light-emitting diode (OLED), sampling and hold, switched-current (SI), thin-film transistor (TFT) |
| Divisions: | Faculty of Engineering and Physical Sciences > Electronic Engineering > Advanced Technology Institute > Nano-Electronics Centre |
| Related URLs: | |
| ID Code: | 423 |
| Deposited By: | Mr Adam Field |
| Deposited On: | 27 May 2010 15:09 |
| Last Modified: | 16 Feb 2013 15:29 |
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