Patent ID: 6608434
Filing Date: 2003-08-19
Classification: H01J

Abstract:
A color picture tube, comprising:an envelope composed of a face panel having an inner face on which a phosphor screen is formed and a funnel bonded to the rear part of the face panel, the phosphor screen being formed of a plurality of phosphor lines in the form of stripes; and a color selecting electrode opposed to the phosphor screen provided in the envelope, wherein the color selecting electrode has a plurality of apertures and bridges that separate the adjacent apertures from each other in a direction along the phosphor lines, electron beams emitted from an electron gun in the funnel hit the color selecting electrode and pass through the apertures to land at the phosphor screen, and in the vicinities of shadows of the bridges formed as a result of projection by the electron beams, each of light emitting regions in which the phosphor lines emit light by irradiation with the electron beams has a part in which a wide portion of a greater width than a basic width of the light emitting region is provided.