Method for fabricating AMLCD tiled displays with controlled inner seal perimeters

A substantially flat-panel, tiled display having substantially imperceptible seams between its tiles, comprising:

• a mosaic of individual, substantially hermetically-sealed LCD tiles disposed adjacent one another and having visually imperceptible seams therebetween, said individual tiles having a plurality of pixels and edges, said tiles comprising a TFT substrate and a color filter substrate sealed in position, relative to said TFT substrate, by means of sealing material, said color filter substrate being disposed above said TFT substrate;
• a top layer and a passivation layer disposed upon said TFT substrate;
• a cover plate disposed above said individual tiles;
• and
• a dam defining an inner seal perimeter, formed on said passivation layer, for guiding the flow of sealing material, said dam disposed proximate at least one edge of at least one of said individual tiles, adjacent a plurality of pixels proximate said visually imperceptible seam.

A substantially flat panel, tiled display having substantially imperceptible seams between its tiles, comprising:

• a mosaic of individual, substantially hermetically-sealed LCD tiles disposed adjacent one another and having visually imperceptible seams therebetween, said individual tiles having a plurality of pixels and edges, said tiles comprising a TFT substrate and a color filter substrate sealed in position, relative to said TFT substrate, by means of sealing material, said color filter substrate being disposed above said TFT substrate;
• a top layer and a passivation layer disposed upon said TFT substrate;
• a cover plate disposed above said individual tiles;
• and
• a trench having an outer trench perimeter and defining an inner seal perimeter, formed on said passivation layer, for guiding the flow of sealing material, said trench disposed proximate at least one edge of at least one of said individual tiles, adjacent a plurality of pixels proximate said visually imperceptible seam.

A substantially flat-panel, tiled display having substantially imperceptible seams between its tiles, comprising:

• a mosaic of individual, substantially hermetically-sealed LCD tiles disposed adjacent one another and having visually imperceptible seams therebetween, said individual tiles having a plurality of pixels and edges, said tiles comprising a TFT substrate and a color filter substrate sealed in position, relative to said TFT substrate, by means of sealing material, said color filter substrate being disposed above said TFT substrate;
• a passivation layer disposed upon said color filter substrate;
• a cover plate disposed above said individual tiles;
• and
• a dam defining an inner seal perimeter, formed on said passivation layer, for guiding the flow of sealing material, said dam disposed proximate at least one edge of at least one of said individual tiles, adjacent a plurality of pixels proximate said visually imperceptible seam.