A novel low-cost and high contrast-ratio IPS (in-plane switching) LC mode, named Advanced Super Non-Organic Overcoat (AS-NOOC), has been successfully developed. Compared to the published AS-IPS mode, the AS-NOOC mode has the advantages of simpler process for lower manufacture cost by the elimination of a lithographic process step to form thick organic overcoat on the array substrate, and a higher contrast ratio by using narrow strips of black matrix serving as common electrodes on the colorfilter substrate to reduce the light leakage caused by fringe fields of data-bus lines in the dark state of the display.
A novel AGC‐8D (asymmetric gate‐coupled eight‐domain) VA mode has been successfully developed to effectively reduce the 60‐degree off‐axis color difference (Δ u'v') of skin color to below 0.02. Compared to other published eight‐domain VA modes, the AGC‐8D HVA mode has also distinct advantages of higher panel transmittance, lower panel‐manufacture cost, and being compatible with a double‐frame‐rate (120 Hz) driving for improving MPRT.
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