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| A multi-domain halftone gray scale active matrix liquid crystal display utilizing a mono-gap configuration for achieving a very wide viewing angle at a low-cost. The substrate of the display has areas having a rub or an alignment of different directions from the direction of the rub or alignment in other adjacent areas. Each pixel of the gray scale matrix has a plurality of subpixels such that each subpixel turns on at a different voltage than that of the other subpixels. The areas involving different rubs or alignments on the substrates may be areas of pixels or subpixels. At least one compensating retardation layer is formed on the display. The technique of enabling the combining of multiple domains and compensation with halftone grayscale pixels results in a display having significantly wider viewing angles than either a multi-domain display or a halftone grayscale display, whether compensated for or not.objective present viewing angle vertical AMLCD gray level luminance values symmetric normal stable function permit fabrication wide AMLCDs cost eliminating need expensive multi-gap Present multi-domain approach combination half-tone scale compensative retardation film dramatically levels wider angles similar cathode tube (CRT) Further mono-gap manufacturing (used prior art) due critical control liquid crystal cell red green blue pixels separately hinders extensive halftone permits thereby |
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