CURVED VERTICALLY-ALIGNED LIQUID CRYSTAL DISPLAY WITH PRETILT DOMAINS

摘要

A curved vertically-aligned LCD has pretilt-domains. On bending the panel in one plane (horizontal (X) or vertical (Y)) to make the device, a mismatching of the panel substrates occurs in that plane producing a misalignment region (Dm) in the respective pixel and common electrodes as well as their pretilt domains. A worsened display quality away from the display centre would result. However, the main arm (193) of each finely-branched pixel electrode (191) running perpendicular to the plane of curvature (X) has: (i.) an increased width (W2) for pixels away from the display centre (PXB, PXC) relative to those at the centre (W1; PXA)); (ii) a positional shift relative to the centre line (V) of the pixel electrode area: e.g. to the left for pixels left of centre (PXB) and to the right for pixels right of centre (PXC) for a horizontal plane of curvature; and (iii.) slits (H1, H2) extending along the main arm, only for pixels away from the centre: PXB, PXC, to define a further tilt-domain (De) over the main arm. If the latter lies within the misalignment region (Dm), the display quality is improved.