Patent ID: 6624557
Filing Date: 2003-09-23
Classification: H01J

Abstract:
A cathode-ray tube, comprising:a panel with a phosphor screen being arranged on an inner surface of the panel; a funnel connected to the panel, the funnel having a deflection yoke assembly on an outer periphery of the funnel; a neck connected to the funnel, the neck having an electron gun assembly disposed therein; and a shadow mask disposed inside the panel, the shadow mask having a plurality of apertures allowing electron beams to pass through, a vertical pitch Py between each of the neighboring apertures along a minor axis of the shadow mask and a scanning pitch Ps between each scan line of the electron beams satisfy the following relationship: ((2n+1)/4)âˆ’0.1&lE;Ps/Py&lE;((2n+1)/4)+0.1 where n is an integer having a value of at least three.