Patent ID: 7495721

Claim:
A method of printing a filter material on a substrate in conjunction with fabrication of a color filter, including: a) providing a substrate with a framework attached thereto, the framework forming at least one cell, each cell defined by a perimeter wall associated with the framework and a bottom wall associated with the substrate; b) providing a liquid filter material ejection system with an inkjet print head, a first liquid filter material to be selectively ejected by the inkjet print head, and a table supporting the substrate; and c) selectively ejecting a plurality of drops of the first liquid filter material in one or more of the at least one cells from the inkjet print head using a drop size switching printing process, wherein the plurality of drops of the first liquid filter material associated with each corresponding cell include at least one smaller drop and at least one larger drop selectively ejected in one or more passes of the inkjet print head across the corresponding cell.