Liquid crystal display panel with alignment division and smaller

Details Liquid crystal display panel with alignment division and smaller Liquid crystal display panel with alignment division and smaller

1997-04-11

1998-04-28

Sikes, William L.

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349181, 349117, G02F 11337, G02F 11335, C09K 1902

Patent

active

057452067

ABSTRACT:
The liquid crystal display panel comprising a twisted nematic liquid crystal inserted between a pair of substrates having alignment films, respectively. The liquid crystal twists from one substrate to the other substrate at a predetermined twist angle which is greater than zero degrees but smaller than 90 degrees. A polarizer and an analyzer are arranged crosswise. The alignment films are divided into minute regions so that the liquid crystal molecules in one of the regions align in one direction and the liquid crystal molecules in the other region align in another direction. The product (.DELTA.nd) of the anisotropy of the refractive index (.DELTA.n) and the layer thickness (d) of the liquid crystal is smaller than approximately 0.5 .mu.m and ensures a linearly polarized light incident onto the liquid crystal rotates approximately 90 degrees before the light emerges from the liquid crystal.

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