PROBLEM TO BE SOLVED: To provide a toilet device capable of efficiently applying ultraviolet rays onto a surface of a bowl part or capable of suppressing increase in size of a light source device.SOLUTION: A toilet device comprises: a toilet seat 210 including a seating surface 211 a toilet cover 310 covering the seating surface 211 in a closed state and having a rear face 313 opposite to the seating surface 211 and a light source device 500 provided in the rear face 313 and applying ultraviolet rays onto a bowl part 811 of a toilet bowl 810 where a photocatalytic film 813 is formed in a state that the toilet cover 310 is closed. The light source device 500 has a plurality of irradiation parts 510 extended and existing in front and rear directions of the toilet bowl 810 in the state that the toilet cover 310 is closed, and at least two of the plurality of irradiation parts 510 have a part belonging to a range of a projection region obtained by projecting a puddle water surface 816 of puddle water 815 formed in the bowl part 811 toward the rear face 313 in the vertical direction.COPYRIGHT: (C)2014,JPO&INPIT【課題】ボウル部の表面に効率よく紫外線を照射できる、あるいは光源装置の大型化を抑制できるトイレ装置を提供する。【解決手段】着座面211を有する便座210と、閉じた状態で着座面211を覆い着座面211と対面する裏面313を有する便蓋310と、裏面313に設けられ、便蓋310が閉じた状態において、便器810のボウル部811であって光触媒膜813が形成されたボウル部811に紫外線を照射する光源装置500と、を備え、光源装置500は、便蓋310が閉じた状態において便器810の前後方向に延在する複数の照射部510を有し、複数の照射部510のうちの少なくとも2本は、ボウル部811内に形成される溜水815の溜水面816を裏面313に向けて鉛直方向に投影させた投影領域の範囲内に属する部分を有する。【選択図】図1
