Color flat cathode-ray tube.

摘要

A color flat CRT having a phosphor screen (20) which comprises red, green, blue primary color phosphor stripes (R), (G), (B) arranged at a spacing, index phosphor stripes (21) arranged in some of the spaces (24) between the color phosphor stripes in a definite relation thereto, a black non-luminescent substance (22) provided between the index phosphor stripes (21) and positioned at least in the spaces between the color phosphor stripes, and a metallic layer (23) of sufficient thickness formed on the inner side of the tube panel and positioned in corresponding relation to the color phosphor stripes.