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Advanced impulsive‐driving technique for Super‐PVA panel

Abstract— Super‐PVA (S‐PVA) technology developed by Samsung has demonstrated excellent viewing‐angle performance. However, S‐PVA panels can place extra demands on charging time due to the time‐multiplexed driving scheme required to separately address two subpixels. Specifically, a 2G‐1D pixel structure theoretically requires subpixel charging in one‐half of the time available for a conventional panel. In this paper, a new LCD driving scheme, super impulsive technology (SIT), is proposed to improve motion‐blur reduction by driving an S‐PVA LCD panel at 120 Hz. The proposed scheme allows a 120‐Hz 2G‐1D panel to be driven with an adequate charging‐time margin while providing an impulsive driving effect for motion‐blur reduction. Considering that the cost of a 2G‐1D S‐PVA panel is comparable to that of a conventional 60‐Hz panel, this method achieves good performance at a reasonable price. The detailed algorithm and implementation method are explored and the performance improvements are verified.