Patent ID: 7033712
Filing Date: 2006-04-25
Classification: H01J

Abstract:
1. A method of manufacturing a luminescent screen assembly for a color cathode-ray tube (CRT), comprising: providing a faceplate panel having a patterned light absorbing matrix thereon defining a plurality of sets of fields; applying a pigment layer to one of the plurality of sets of fields; forming a cap layer on the pigment layer; and forming a phosphor layer on the cap layer, wherein the cap layer is formed from an aqueous solution of a photosensitizer and a polymer, and wherein the polymer comprises one or more materials selected from the group consisting of polyvinyl alcohol (PVA) and polyvinyl pyrrolidone (PVP), wherein the cap layer has a thickness within the range of about 0.5 μm (micrometers) to about 2.0 μm (micrometers).