An electronic dust collecting apparatus comprising: a charger ; and a dust collector installed downstream of the charger , wherein the dust collector comprises a dust collecting sheet comprising: a plurality of first electrodes and a plurality of second electrodes which are alternately arranged therein, a first sheet on which the plurality of first electrodes and the plurality of second electrodes are configured with a conductive pattern printed or deposited on one surface thereof and are alternatively arranged on the one surface thereof and, a second sheet laminated to the one surface of the first sheet on which the plurality of first electrodes and the plurality of second electrodes are arranged, a plurality of bent portions that are bent in a zigzag form in such a way that the plurality of first electrodes and the plurality of second electrodes face each other, and a plurality of slits (S, S11, S12) formed in each of the plurality of bent portions , wherein when a voltage is applied between the plurality of first electrodes and the plurality of second electrodes , an electric field is formed therebetween, and wherein slits of the plurality of slits (S, S11, S12) are formed along a side edge (221a, 221'a) of each of the plurality of second electrodes to expose the side edge (221a, 221'a) of each of the plurality of second electrodes . a charger ; and a dust collector installed downstream of the charger , wherein the dust collector comprises a dust collecting sheet comprising: a plurality of first electrodes and a plurality of second electrodes which are alternately arranged therein, a first sheet on which the plurality of first electrodes and the plurality of second electrodes are configured with a conductive pattern printed or deposited on one surface thereof and are alternatively arranged on the one surface thereof and, a second sheet laminated to the one surface of the first sheet on which the plurality of first electrodes and the plurality of second electrodes are arranged, a plurality of bent portions that are bent in a zigzag form in such a way that the plurality of first electrodes and the plurality of second electrodes face each other, and a plurality of slits (S, S11, S12) formed in each of the plurality of bent portions , a plurality of first electrodes and a plurality of second electrodes which are alternately arranged therein, a first sheet on which the plurality of first electrodes and the plurality of second electrodes are configured with a conductive pattern printed or deposited on one surface thereof and are alternatively arranged on the one surface thereof and, a second sheet laminated to the one surface of the first sheet on which the plurality of first electrodes and the plurality of second electrodes are arranged, a plurality of bent portions that are bent in a zigzag form in such a way that the plurality of first electrodes and the plurality of second electrodes face each other, and a plurality of slits (S, S11, S12) formed in each of the plurality of bent portions , wherein when a voltage is applied between the plurality of first electrodes and the plurality of second electrodes , an electric field is formed therebetween, and wherein slits of the plurality of slits (S, S11, S12) are formed along a side edge (221a, 221'a) of each of the plurality of second electrodes to expose the side edge (221a, 221'a) of each of the plurality of second electrodes . <EOS>