Appeal No. 1998-2976
Application No. 08/326,049
a substrate with first and second major surfaces and
edge surfaces;
a matrix of transparent conductive pads capable of
defining picture elements and extending over the entire
first major surface of the substrate with boundary
conductive pads adjacent the edge surfaces of the
substrate at distances such that when a similar module
is positioned adjacent any one of said edge surfaces of
said module, visual image produced by said modules is
substantially uninterrupted at the adjacent edges of said
modules;
a matrix of thin film transistors extending over the
first major surface of the substrate with each transistor
capable of activating one of the conductive pads upon
receiving electrical signals through both row and
column conductive strips;
the row and column conductive strips each extending over
the first major surface from adjacent an edge surface to
adjacent an opposite edge surface of the substrate such
that each transistor can be electrically activated by a
row conductive strip and a column conductive
strip;
an electrical drive circuit positioned on the second
major surface of the substrate and capable of electrically
activating the transistors in correspondence to desired
visual images to be formed by the picture elements over
the first major surface of the substrate; and
interconnecting conductors each extending over one of
said edge surfaces from the first major surface to the
second major surface, the conductors electrically
connecting the drive circuit on the second major surface
of the substrate with the row and column conductive strips
on the first major surface of the substrate and said
conductors being electrically insulated from similar
interconnecting conductors of an adjacent module.
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Last modified: November 3, 2007