Patent ID: 6232711
Filing Date: 2001-05-15
Classification: H01J

Abstract:
A color cathode ray tube comprising: a panel section having a phosphorus layer formed on an internal surface thereof, a neck portion housing an electron gun assembly for emission of a plurality of electron beams therein, and a funnel section connecting together the panel section and the neck portion; whereinsaid electron gun assembly comprises an electron beam generator unit including a plurality of cathodes disposed in an in-line layout, an acceleration electrode and a control electrode, and a focusing accelerator unit including a plurality of electrodes including at least one plate-shaped electrode having a plurality of electron beam passage holes corresponding to the number of said plurality of electron beams and a anode, and whereinsaid plate-shaped electrode has more than one cylindrical bulged portion projecting toward a neighboring electrode in the direction of emission of said plurality of electron beams and also has an electron beam passage hole in a top face of said cylindrical bulged portion.