Multi-level conductive black matrix

Details Multi-level conductive black matrix Multi-level conductive black matrix

1997-03-31

1998-10-06

Patel, Vip

Electric lamp and discharge devices

Cathode ray tube

Screen

313461, 313473, H01J 2910

Patent

active

058181628

ABSTRACT:
A multi-level conductive matrix structure for separating rows and columns of sub-pixels on the faceplate of a flat panel display device. In one embodiment, the present invention is formed partially of a first plurality of conductive ridges which are disposed on the faceplate between respective adjacent rows of sub-pixel regions. The present invention is further formed of a second plurality of conductive ridges which are orthogonally oriented with respect to and integral with the first plurality of conductive ridges such that a matrix structure is formed. In the conductive matrix of the present invention, the second plurality of conductive ridges have a height which is greater than the height of the first plurality of conductive ridges such that a multi-level conductive matrix is formed. However, the height of the second plurality of conductive ridges decreases to approximately the height of the first plurality of conductive ridges at respective intersections of the first and second plurality of conductive ridges. In so doing, the present invention provides a multi-level conductive matrix for separating rows and columns of sub-pixels on the faceplate of a flat panel display device.

REFERENCES:
patent: 5510672 (1996-04-01), Washino et al.

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