US Patent 11497245 Optical module and aerosol generation device comprising same

An optical module includes a light-emitting portion for emitting light and a display including a first surface having a first transmission region through which at least a portion of the light emitted from the light-emitting portion is transmitted and a first blocking region which is surface-treated to block transmission of the light, and a second surface which the light transmitted through the first transmission region reaches to deliver an image to a user, wherein the first transmission region may include a path changing member for changing a propagation path of the transmitted light.