| 摘要 |
PURPOSE:To enhance fixing performance by providing a translucent airtight container, into which electric discharging gas including mercury is enclosed, and a phosphor layer having an aperture having a light emitting peak in a wavelength region of specific nm or lower and covered except for in a specific direction inside the translucent air-tight container, and setting a rated load value to a specific w/m<2>. CONSTITUTION:A first fluorescent lamp 200 has a light emitting region in wavelengths of a 420nm or higher. Because of its narrow diffusion, light noise cannot be generated with respect to a magenta pigment source having a sensing region in wavelengths of 420nm or lower when the lamp 200 is lighted to fix a yellow pigment source. Meanwhile, since a second fluorescent lamp 300 has a light emitting region in wavelengths of 410nm or lower, it is separated from a sensing region of the yellow pigment source. When the lamp 300 is lighted to fix the magenta pigment source, it is possible to prevent generation of light noise, which causes fixation and deterioration of the yellow pigment source, with respect to a yellow pigment. The lamp 300 is lighted at a tube wall load of 1000-W/m<2> or higher, thus enhancing fixing performance of the magenta pigment source. |
