Abstract: A portable air purifier is provided that may include a housing having an inlet forming a passage through which air is suctioned into the housing, a filter disposed at an upper side of the inlet and configured to purify air suctioned in through the inlet and flowing upward, an irradiator disposed at a lower side of the filter, installed at a height at which the irradiator overlaps the inlet and configured to irradiate light for sterilization onto the filter, and a sterilizer support configured to support the irradiator and configured to be fixed to the housing and disposed around an outer perimeter of the irradiator.

Abstract: A sterilization case includes a case body having a seating surface configured to seat an object to be sterilized, a case cover that is coupled to the case body, the case cover and the case body defining an accommodation space that is configured to accommodate therein the object to be sterilized, a sterilization module that is provided at the case body and configured to sterilize the object to be sterilized, and a reflective pattern provided at an inner surface of the case cover and configured to reflect ultraviolet light emitted from the sterilization module onto a surface of the object to be sterilized.