Method for production of a bidirectional nonlinear resistor, active matrix liquid crystal panel using bidirectional nonlinear resistor
AssigneeSeiko Epson Corporation
InventorsYoshihiro Ono, Fumiaki Matsushima, Tetsuya Osaka
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Abstract
A bidirectional nonlinear resistor for use as a nonlinear active element having a highly insulating organic film formed on a first conductor by polymerizing an electrolytic solution containing a supporting electrolyte and a soluble organic compound, and a conductor identical or not identical in kind with the first conductor formed on the organic film is provided. An active matrix substrate including a plurality of the bidirectional nonlinear resistor elements may be used to have a liquid crystal display panel.
Claims8
A method for preparation of an active matrix substrate comprising:
- (a) forming a first electrode in a designated pattern of parallel rows on a first transparent substrate;
- (b) depositing a transparent insulating film on at least the entire exposed surface of the first electrode;
- (c) forming a contact hole in the insulating film to the electrode;
- (d) depositing an electrolytic polymer film through the contact hole on the electrode by electrolytic polymerization;
- (e) depositing picture elements on a portion of the first transparent substrate;
- and
- (f) depositing a conductor in a designated pattern on at least a portion of the electrolytic polymer film with at least a portion thereof opposed to a portion of the first electrode with the electrolytic polymer film therebetween to form a conductor-insulator-conductor structure which functions as a nonlinear resistor, and with at least a portion of the conductor connected to the picture elements.
A method for preparation of an active matrix substrate comprising:
- (a) forming a first electrode in a designated pattern on a first transparent substrate;
- (b) depositing an electrolytic polymer film containing a doping agent on the electrode by electrolytic polymerization;
- (c) depositing a transparent insulating film on at least a portion of the electrolytic polymer film such that at least a portion of the transparent insulating film is opposed to either a portion of the first transparent substrate or at least a portion of the first electrode with the electrolytic polymer film therebetween;
- (d) forming a contact hole through a designated part of the insulating film to expose a portion of the electrolytic polymer film;
- (e) depriving the doping agent contained in the electrolytic polymer film through the contact hole thereby forming a highly insulating electrolytic polymer film;
- (f) depositing a conductive material in a designated pattern thereby forming a conductor-insulator-conductor structure which functions as a nonlinear resistor;
- and
- (g) selectively depositing a picture element on or adjacent to the transparent conductor.
Dependencies are inferred from the claim text.