Accurate‐gray‐level and quick‐response driving methods for high‐performance electrowetting displays

Abstract

Abstract— To achieve quick‐response electrowetting displays (EWDs) with accurate multiple‐gray‐level performance for video applications, several phenomena, such as hysteresis, charge trapping, and oil splitting, need to be addressed. This paper proposes a driving scheme that includes the decoupling driving concept, the asymmetric driving concept, the charge‐trapping‐suppression method, and the oil‐splitting method. The proposed driving scheme was extensively investigated on a developed evaluation platform, and satisfactory results for multiple‐gray levels and quick response were obtained for a 6‐in. SVGA EWD.