Cathode ray tube and method of displaying pictures

摘要

A main picture (41) is displayed in monochrome in a main picture display area (11a) by emission of a first phosphor layer formed of a white emission phosphor. A second phosphor layer formed of a phosphor different from the first phosphor layer is provided in a region different from the first phosphor layer. Icons (42) are displayed in the icon display area (11B) in a color different from the main picture (41) by emission of the second phosphor layer.