The invention relates to a picture display device comprising a display tube having an evacuated envelope, which envelope comprises, around a longitudinal axis, a display window with a display screen on its inner side, a conical portion and a neck portion, the conical portion being connected to an upstanding wall of the display window.
The invention also relates to a conical portion for use in a picture display device.
Picture display devices of the type described in the opening paragraph are used, inter alia, in television apparatuses and computer monitors and are referred to as cathode ray tubes (CRTs).
A picture display device of the type described in the opening paragraph is known.
The known picture display device has some drawbacks, notably a large weight and high cost price of its conical portion.