Patent ID: 6133690
Filing Date: 2000-10-17
Classification: H01J

Abstract:
Display screen characterized in that it comprises:a cathodoluminescent anode comprising:a first support,at least one anode conductor formed on this first support,at least one cathodoluminescent material formed on this anode conductor, anda microtips electron source comprising:a second support, one face of which is placed facing the cathodoluminescent material, and which is transparent to light that may be emitted by this cathodoluminescent material,cathode conductors formed on the said face of this second support and meshed according to a first pattern including openings,a resistive layer formed on the said face of this second support, meshed according to a second pattern, and including solid areas placed in openings in the first pattern,microtips formed on these solid areas,electrically conducting grids that are meshed according to the second pattern, andan unmeshed electrically insulating layer that is transparent to the said light and extends above the cathode conductors and the resistive layer, between them and the grids.