Patent ID: 8038283

Claim:
An ink-jet recording apparatus comprising: a recording medium transport unit for transporting a recording medium; an ink-jet head for discharging ink that can be set when illuminated with ultraviolet light toward the recording medium being transported by the recording medium transport unit on the basis of an image signal; and an ultraviolet light illumination unit for setting the ink that has been discharged and placed on the recording medium by the ink-jet head, wherein: the ultraviolet light illumination unit comprises a plurality of hot-cathode tubes having an aperture with an aperture angle of in a range of from 45° to 180°, wherein said plurality of hot-cathode tubes each having a phosphor layer whose thickness increases from one end of the hot-cathode tube to an other end of the hot-cathode tube, the hot-cathode tubes being arranged parallel with each other in such a manner that directions in which the thickness of the phosphor layers of the respective hot-cathode tubes increases are opposite to each other.