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Screen Printable Dielectric for Field Emission Displays

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A system of an insulating Bi2O3-based frit and a conductive SnO2:Sb has been developed for printing and firing on glass substrates. Resistivity can be progressively decreased from >200 GΩ to the megaohm region by adding micron size SnO2:Sb in the thick film formulation. More SnO2:Sb is required for a given resistivity when alumina is added as a filler, and resistivity is dependent on alumina particle size. Controllably reducing resistivity of a dielectric is useful in field emission display applications to eliminate charging between emitter lines and to function as a ballast resistor layer.

Document Type: Research Article


Affiliations: 1: The DuPont Company, Experimental Station, Wilmington, Delaware 19880-0334 2: DuPont Electronic Materials, Research Triangle Park, North Carolina 27709

Publication date: June 1, 2005

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