An aerosol-generating device configured to receive an aerosol-generating article is provided, including: an elongate housing having a distal end and a proximal end; a light source; and a controller configured to control the light source, in which, in use, the proximal end of the housing points towards a consumer, in which the proximal end of the housing includes an illumination portion made from translucent material, in which the light source is optically coupled to the illumination portion, and in which the illumination portion is configured to surround the aerosol-generating device in use. An aerosol-generating system including the aerosol-generating device and an aerosol-generating article is also provided. A method of operating the aerosol-generating system is also provided.

An aerosol-generating device configured to receive an aerosol-generating article is provided, including: an elongate housing having a distal end and a proximal end; a light source; and a controller configured to control the light source, in which, in use, the proximal end of the housing points towards a consumer, in which the proximal end of the housing includes an illumination portion made from translucent material, in which the light source is optically coupled to the illumination portion, and in which the illumination portion is configured to surround the aerosol-generating device in use. An aerosol-generating system including the aerosol-generating device and an aerosol-generating article is also provided. A method of operating the aerosol-generating system is also provided.

A heater includes a base body; an infrared electric heating film, formed on a surface of the base body, the infrared electric heating film including doped tin oxide and doping elements of the doped tin oxide including non-metal elements; and the infrared electric heating film being configured to generate infrared ray and heat the aerosol-forming substrate at least in a radiation manner; and a conductive portion, including a first electrode and a second electrode arranged on the base body, and both the first electrode and the second electrode being electrically connected to the infrared electric heating film to feed electric power of a power supply to the infrared electric heating film. An infrared electric heating film including doped tin oxide is formed on a base body, and doping elements of the doped tin oxide facilitate to improve conductive performance and infrared radiation efficiency of the infrared electric heating film.

A flavor aspirator includes: a weight-concentrated part that is provided at a position off the mouthpiece end and closer to the mouthpiece end side than to a midpoint position between the mouthpiece end and the distal end, and that accounts for at least approximately half of a total weight of the flavor aspirator. A value of (a length from the mouthpiece end to the center of gravity)/(a total length defined by a length from the mouthpiece end to the distal end) is in a range of 0.20 to 0.45.

A flavor aspirator includes: a weight-concentrated part that is provided at a position off the mouthpiece end and closer to the mouthpiece end side than to a midpoint position between the mouthpiece end and the distal end, and that accounts for at least approximately half of a total weight of the flavor aspirator. A value of (a length from the mouthpiece end to the center of gravity)/(a total length defined by a length from the mouthpiece end to the distal end) is in a range of 0.20 to 0.45.

An atomizing core and an atomizer are provided. The atomizing core includes a core, a heater, a flow guiding element, a filter and a tube. The core includes a first end and a second end dispose on an opposite side of the first end. The heater is disposed around an outer periphery of the core. The heater includes a heating pipe and a heat conducting pipe. The heat conducting pipe surrounds and contacts the outer periphery of the core, and the heating pipe surrounds and contacts an outer periphery of the heat conducting pipe. The flow guiding element is disposed on the second end of the core. The filter is disposed on a side of the flow guiding element away from the core. The tube is used to cover the core, the heater, the flow guiding element and filter.

An atomizing core and an atomizer are provided. The atomizing core includes a core, a heater, a flow guiding element, a filter and a tube. The core includes a first end and a second end dispose on an opposite side of the first end. The heater is disposed around an outer periphery of the core. The heater includes a heating pipe and a heat conducting pipe. The heat conducting pipe surrounds and contacts the outer periphery of the core, and the heating pipe surrounds and contacts an outer periphery of the heat conducting pipe. The flow guiding element is disposed on the second end of the core. The filter is disposed on a side of the flow guiding element away from the core. The tube is used to cover the core, the heater, the flow guiding element and filter.

An electronic aerosol-generating smoking device includes a main body having a heating region for heating aerosol-forming substrate. The main body includes a front housing defining a cavity configured to receive an aerosol-forming substrate, and a heater in the main body and configured to heat the aerosol-forming substrate in the cavity. At least a portion of an internal surface of the main body is at least one of a hydrophobic and super-hydrophobic surface.

An aerosol-generating article with improved cooling performance and flavor persistence and a method of producing the same are provided. The aerosol-generating article according to some embodiments of the present disclosure may include an aerosol-forming substrate part and a cooling part disposed downstream of the aerosol-forming substrate part configured to cool an aerosol formed in the aerosol-forming substrate part, and a sheet-type material may be disposed in a rolled or folded form in the cooling part. Here, the sheet-type material is a material including a flavoring and may serve as a cooling material as well as a flavor expressing material to improve flavor persistence and cooling performance of the aerosol-generating article.

An aerosol-generating article with improved cooling performance and flavor persistence and a method of producing the same are provided. The aerosol-generating article according to some embodiments of the present disclosure may include an aerosol-forming substrate part and a cooling part disposed downstream of the aerosol-forming substrate part configured to cool an aerosol formed in the aerosol-forming substrate part, and a sheet-type material may be disposed in a rolled or folded form in the cooling part. Here, the sheet-type material is a material including a flavoring and may serve as a cooling material as well as a flavor expressing material to improve flavor persistence and cooling performance of the aerosol-generating article.