Patent ID: 6043598
Filing Date: 2000-03-28
Classification: H01J

Abstract:
A color picture tube having an in-line electron gun, the color picture tube comprising:a panel having a screen;a funnel sealed to a rear of the panel;a neck connected to a rear of the funnel, said neck having an internal in-line electron gun and a plurality of electrodes, each of the electrodes having a plurality of beam-guide holes for focusing and accelerating electron beans emitted from the electron gun; anda deflection yoke mounted around the funnel to scan the electron beams across the screen,wherein an outer diameter NO of the neck is about 22.5 mm<NO<24.0 mm, and the relationship between a distance P between centers of neighboring beam-guide holes of the electrodes and the outer diameter NO of the neck is about 4.1<NO/P<5.4.