Method of manufacturing a liquid crystal display panel using...

Details Method of manufacturing a liquid crystal display panel using... Method of manufacturing a liquid crystal display panel using...

2005-04-05

2005-04-05

Parker, Kenneth (Department: 2871)

Liquid crystal cells, elements and systems

Nominal manufacturing methods or post manufacturing...

C430S005000, C438S030000

Reexamination Certificate

active

06876428

ABSTRACT:
A gray tone mask, which is patterned and used in a photolithographic manufacturing process wherein a plurality of thin films are deposited and patterned on a substrate, said mask having different gaps in the vertical and horizontal directions so that the quantity of light which passes the patterned mask and irradiated on the photosensitive material is controlled depending on the direction of light irradiated from an exposing apparatus; and a method of manufacturing a TFT of a LCD using just four masks.

REFERENCES:
patent: 5725975 (1998-03-01), Nakamura et al.
patent: 5906910 (1999-05-01), Nguyen et al.
patent: 6816233 (2004-11-01), Sugita
patent: 8-250446 (1996-09-01), None
patent: 8-306615 (1996-11-01), None

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