Liquid crystal display device

Details Liquid crystal display device Liquid crystal display device

2005-08-09

2005-08-09

Parker, Kenneth (Department: 2871)

Liquid crystal cells, elements and systems

Particular excitation of liquid crystal

Electrical excitation of liquid crystal

C349S141000

Reexamination Certificate

active

06927808

ABSTRACT:
In a liquid crystal display device of the active matrix type using in-plane switching (IPS), with at least four transmission regions being formed within a single pixel area surrounded by neighboring gate wiring lines and neighboring drain wiring lines disposed in a direction transverse to the drain wiring lines, a multilayer structure formed of two layers of conductive films with an insulating film sandwiched therebetween is provided at a pixel electrode extending from either one of the neighboring gate wiring lines toward the interior of the pixel and causes one of these two-layer conductive films (i.e. lower pixel electrode placed on the substrate side) is configured to bend or “crank” into a hook-like shape at a central portion of the pixel areas while letting its planar shape be adjacent to one of the neighboring drain lines at the half of the pixel area and also letting it be adjacent to the other of the neighboring drain lines at the other half, thereby widening the viewing angle of an image to be visually displayed on the liquid crystal display device and also brightening the image.

REFERENCES:
patent: 6704066 (2004-03-01), Tsumura et al.
patent: 6747722 (2004-06-01), Ono et al.

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