Patent ID: 6919677

Claim:
A glass funnel for a cathode ray tube, comprising: a body portion having an open end formed in a substantially rectangular shape; a neck portion for housing an electron gun; a yoke portion connecting the body portion and the neck portion, the yoke portion being configured to have a deflection unit mounted on an outer side configured to deflect electron beams irradiated from the electron gun; and an outwardly projecting bent portion provided along at least a part of an outer peripheral area where the body portion intersects with a plane perpendicular to a bulb axis that includes intersecting points between the outer peripheral area and a plane containing a diagonal axis and the bulb axis, wherein the bent portion is positioned so as to satisfy L/D≦½, where L is a distance from a boundary between the body portion and the yoke portion to the bent portion, and D is a distance from the boundary between the body portion and the yoke portion to the open end in terms of components in a relevant diagonal direction on the plane containing the relevant diagonal axis and the bulb axis.