Radiation imagery chemistry: process – composition – or product th – Radiation modifying product or process of making – Screen other than for cathode-ray tube
Patent
1994-05-26
1996-06-18
Bowers, Jr., Charles L.
Radiation imagery chemistry: process, composition, or product th
Radiation modifying product or process of making
Screen other than for cathode-ray tube
430 20, 430321, G02F 11335
Patent
active
055276490
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.multidot.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.
Nakamura Toru
Omika Hiroyoshi
Ono Norikatsu
Otsuki Yutaka
Sato Haruyoshi
Bowers Jr. Charles L.
Dai Nippon Priting Co., Ltd.
McPherson John A.
Nippon Oil Co. Ltd.
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