Abstract

Abstractthe charge recycling match (CRM) technique is proposed to reduce dynamic power dissipation in display column drivers. The CRM technique can save much power in some polarity operation, which is hard to have charge recycling in conventional techniques. Theoretical analysis and experimental result show maximum dynamic power reduction of 12% and 30% in column inversion panel with R/G/B stripe pixel arrangement and Zigzag panel, respectively. The proposed method is suitable for voltage mode driving scheme and capacitive loading display column driver special in thin‐film‐transistor (TFT) liquid crystal displays (LCDs) and active mode organic light‐emission‐diode (AMOLED) display. A complete method application including circuit structure, algorithm and hardware implement are demonstrated in TFT‐LCD application.

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