| 摘要 |
A surface discharge type air cleaning device comprises an insulating dielectric body (52) formed in the shape of a sheet, a discharge electrode (60) formed at the upper surface of the insulating dielectric body (52), and a ground electrode (70) formed at the lower surface of the insulating dielectric body (52). The discharge electrode (60) is formed of a closed pattern having a predetermined area on the upper surface of the insulating dielectric body (52), and the discharge electrode (60) has at least one non-pattern part (65) disposed in a part (62) where the pattern is formed. The electrode is not formed at the non-pattern part (65). The pattern of the discharge electrode is formed in the depressed structure. Consequently, it is possible to lower onset voltage and input energy and to accomplish uniform and stable plasma formation, and therefore, the number of hydroxyl radicals and negative ions is increased while the amount of ozone is decreased. |
