Color cathode ray tube with cover film on panel unit

A color cathode ray tube comprising a vacuum enclosure including a panel unit having a fluorescent film formed on an inner face thereof, said fluorescent film consisting of densely arrayed three color dot trios of a fluorescent material, a shadow mask being mounted in the vicinity of said fluorescent film, a neck unit housing an electron gun for emitting three electron beams, and a funnel unit for joining said panel unit and said neck unit, wherein said panel unit has a diagonal diameter of not less than 49 cm and not more than 50 cm, wherein an effective display area on an outer face of said panel unit has a diagonal radius of curvature of not less than 1,300 mm, wherein the dot trios of said fluorescent material have a horizontal pitch of not more than 0.22, and wherein a cover film is applied to said panel unit to lower optical transmittance.

A color cathode ray tube comprising a vacuum enclosure including a panel unit having a fluorescent film formed on an inner face thereof, said fluorescent film consisting of densely arrayed three color dot trios of a fluorescent material, a shadow mask being mounted in the vicinity of said fluorescent film, a neck unit housing an electron gun for emitting three electron beams, and a funnel unit for joining said panel unit and said neck unit, wherein the diagonal diameter effective display area of said panel unit is not more than 465 cm, wherein the effective display area on an outer face of said panel unit has a diagonal radius of curvature of not less than 1,300 mm, and wherein the dot trios of said fluorescent material are horizontally arrayed in a number of approximately at least 1600, and wherein a cover film is applied to said panel unit to lower optical transmittance.

A color cathode ray tube comprising a vacuum enclosure including a panel unit having a fluorescent film formed on an inner face thereof, said fluorescent film consisting of densely arrayed three color dot trios of a fluorescent material, a shadow mask being mounted in the vicinity of said fluorescent film, a neck unit housing an electron gun for emitting three electron beams, and a funnel unit for joining said panel unit and said neck unit, wherein the diagonal diameter of an effective display area of said panel unit is not less than 455 mm and not more than 465 cm, wherein the effective display area on an outer face of said panel unit has a diagonal radius of curvature of not less than 1,300 mm, wherein the dot trios of said fluorescent material have a horizontal pitch not more than 0.22 mm, and wherein a cover film is applied to said panel unit to lower optical transmittance.

A color cathode ray tube comprising a vacuum enclosure including a panel unit having a fluorescent film formed on an inner face thereof, said fluorescent film consisting of densely arrayed three color dot trios of a fluorescent material, a shadow mask being mounted in the vicinity of said fluorescent film, a neck unit housing an electron gun for emitting three electron beams, and a funnel unit for joining said panel unit and said neck unit, wherein the diagonal diameter effective display area of said panel unit is not more than 482 cm, wherein an effective display area on an outer face of said panel unit has a diagonal radius of curvature of not less than 1,300 mm, wherein the dot trios of said fluorescent material are horizontally arrayed in a number of approximately at least 1600, wherein a radius curvature of a corner portion of said effective display area is not more than 5 mm, and wherein a cover film is applied to said panel unit to lower optical transmittance.