&Quot; Cathode Ray Tube With Improved Mask Assembly”

Abstract: A cathode ray tube including a shadow mask. The shadow mask includes an aperture portion including a plurality of beam guide holes, a non-aperture portion surrounding the aperture portion, and a skirt portion that is bent from an edge of the non-aperture portion toward an electron gun. The non-aperture portion includes a pair of longer sides, a pair of shorter sides, and four corner portions, and a first width of the non-aperture portion measured at the longer side and a second width of the non-aperture portion measured at the shorter side are formed to be less than a third width of the non-aperture portion measured at the corner portions.................

Patent Information

Application #

Filing Date

30 May 2008

Publication Number

31/2009

Publication Type

INA

Invention Field

ELECTRICAL

Status

Email

Parent Application