Patent ID: 6459462
Filing Date: 2002-10-01
Classification: G02F,Y10T

Abstract:
A method for assembling a tiled, flat-panel display, while maintaining tolerances in three dimensions, the steps comprising:a) providing at least two display tiles, each having: a front face and a back face; b) providing a first set of vacuum chucks, having respective faces substantially coplanar with one another, each one of said first set of vacuum chucks being adjustable in three degrees of freedom; c) holding said at least two display tiles on said faces of said first set of vacuum chucks; d) providing a second set of vacuum chucks, each of said second set of vacuum chucks having a face, and being independently adjustable in at least an axis normal to said faces of said first set of vacuum chucks; e) holding a cover plate on said faces of said second set of vacuum chucks; f) laminating said cover plate to said front faces of said at least two display tiles using an optical adhesive, forming a tile/cover plate assembly; g) aligning each of said at least two display tiles to said cover plate; h) providing a third set of vacuum chucks, each of said third set of vacuum chucks having a face, and being independently adjustable in at least an axis normal to said faces of said first set of vacuum chucks; i) holding a back plate of said faces of said third set of vacuum chucks; j) laminating said back plate to back faces of said at least two displays tiles of said tile/cover plate assembly using an optical adhesive; k) arranging said tile/cover plate assembly with respect to said back plate.