Patent ID: 7012357

Claim:
A cathode ray tube comprising: a glass panel having a front side; a funnel attached to the glass panel forming a vacuum envelope; a fluorescent screen formed on an inside surface of the glass panel; a shadow mask having a skirt being spaced from the fluorescent screen by a distance, the shadow mask having a short side and a long side; a mask frame coupled to the shadow mask; an electron gun at a neck portion of the funnel; and a deflection yoke for deflecting electron beams emitted from the electron gun in horizontal and vertical directions, wherein a ratio (%) of a length of the skirt (S) to a length of the long side (X) of the shadow mask is in a range of about 4.1%≦S/X≦5.2%, wherein a height of the skirt on the long side of the shadow mask is less than a height of the skirt on the short side of the shadow mask.