PROBLEM TO BE SOLVED: To provide an LED photocatalyst unit which can eliminate putrid smell gas of ethylene and others more efficiently than the conventional, is less aggressive to food and can achieve long term storage of the food, in the LED photocatalyst unit which utilizes photocatalyst reaction with LEDs which are compact-sized, light-weighted and energy-saving as a light source.SOLUTION: In an LED photocatalyst unit 1, a photocatalyst sheet 8 is arranged as facing the irradiation side of a light source which is configured by arranging as plane-like plural LEDs 3 constituted by two kinds of ultraviolet light LEDs and visible light LEDs, a heat radiation fin 12 is arranged at the rear surface side of the light source, the ultraviolet light LEDs are turned on only for a prescribed time, the visible light LEDs are turned on always, and the photocatalyst sheet 8 utilizes titanium oxide carrying pulverulent platinum as a photocatalyst.COPYRIGHT: (C)2015,JPO&INPIT【課題】小型・軽量で省エネルギーなLEDを光源とした光触媒反応を利用したLED光触媒ユニットにおいて、従来のものより効率的にエチレンその他の腐臭性ガスを除去できると共に、食品への攻撃性が低く、食品の長期貯蔵が可能となるような、LED光触媒ユニットを提供する。【解決手段】紫外光LEDと可視光LEDの2種類からなるLED3を複数用いて平面状に配置した光源の照射側に対向して光触媒シート8を配置し、光源の裏面側に放熱フィン12を配置し、紫外光LEDは所定時間のみ点灯させ、可視光LEDは常時点灯とし、前記光触媒シート8は、粉末状の白金を担持した酸化チタンを光触媒としたLED光触媒ユニット1。【選択図】図1
