Dry processing for liquid-crystal displays using low energy ion

Details Dry processing for liquid-crystal displays using low energy ion Dry processing for liquid-crystal displays using low energy ion

1998-02-23

2000-02-01

Sikes, William L.

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

349123, 20415715, G02F 11337, C07C 100

Patent

active

060209461

ABSTRACT:
The present invention is a method for forming a liquid-crystal cell of a liquid-crystal display. Initially, a dry processed alignment film is deposited onto a first transparent substrate using a dry processing technique, such as plasma enhanced chemical vapor deposition (PECVD). The dry processed alignment film is then irradiated with a beam of atoms to arrange the atomic structure of the alignment film in at least one desired direction in order to orient the liquid-crystal molecules. Another dry processed alignment film is deposited on a second substrate using a dry processing technique and, likewise, irradiated with a beam of atoms. The first transparent substrate and the second substrate are then sandwiched together with their respective alignment films spaced adjacent to each other. The space between the films is then filled with a liquid-crystal material.

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patent: 5793453 (1998-08-01), Okabe
patent: 5889571 (1999-03-01), Kim et al.

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