Substrate having light shielding layer

Details Substrate having light shielding layer Substrate having light shielding layer

1996-11-06

1998-02-17

McPherson, John A.

Radiation imagery chemistry: process, composition, or product th

Radiation modifying product or process of making

Screen other than for cathode-ray tube

430 6, 349110, 349111, G02F 11335

Patent

active

057189927

ABSTRACT:
A method for preparing a substrate having a light-shielding layer involves forming a photosensitive coating film on a transparent electrically conductive layer formed on a transparent substrate, exposing the photosensitive coating film via a mask exhibiting light transmitting properties, removing and developing the coating film for exposing the transparent electrically conductive layer and electrodepositing a dark-hued coating on the exposed transparent electrically conductive layer for forming the light-shielding layer, and heating the light-shielding layer. The substrate having the light-shielding layer has a volume resistivity of 1.times.10.sup.2 ohm.cm or higher and may be used for a counterelectrode substrate for a TFT array substrate incorporated in a liquid crystal display device.

REFERENCES:
patent: 4902592 (1990-02-01), Matsumura et al.
patent: 5142391 (1992-08-01), Fujiwara et al.
patent: 5186801 (1993-02-01), Matsumura et al.
patent: 5372902 (1994-12-01), Yamashita et al.
patent: 5422207 (1995-06-01), Yoda et al.
patent: 5527649 (1996-06-01), Sato et al.

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