Aerosol provision device

Abstract

An aerosol provision device for use with an article including aerosol generating material. The aerosol provision device includes a housing. The housing includes a plurality of perforations. Each perforation includes a dimension of less than 50 microns. The aerosol provision device includes a light source disposed within the housing adjacent to the plurality of perforations, arranged so that, when the light source is activated, light from the light source visibly passes through the perforations, and when the light source is not active, the light source is not visible to the naked eye through the perforations.

1 . An aerosol provision device for use with an article comprising aerosol generating material, comprising:
 a housing comprising a plurality of perforations, each perforation including a dimension of less than 50 microns; and   a light source disposed within the housing adjacent to the plurality of perforations, arranged so that, when the light source is activated, light from the light source visibly passes through the perforations, and when the light source is not active, the light source is not visible to the naked eye through the perforations.   
     
     
         2 . The aerosol provision device of  claim 1 , in which the housing comprises a button, in which the perforations are provided in the button. 
     
     
         3 . The aerosol provision device of  claim 1 , wherein the perforations are formed by laser etching. 
     
     
         4 . The aerosol provision device of  claim 1 , in which the perforations include a dimension of between 5 microns and 50 microns and, optionally, between 30 microns and 40 microns. 
     
     
         5 . The aerosol provision device of  claim 1 , in which the plurality of perforations form an array and, optionally, wherein the array is circular. 
     
     
         6 . The aerosol provision device of  claim 5 , comprising a plurality of light sources disposed within the housing adjacent to the plurality of perforations, each light source being configured to illuminate a respective segment of the array. 
     
     
         7 . The aerosol provision device of  claim 6 , in which the plurality of light sources are equally spaced circumferentially about the array. 
     
     
         8 . The aerosol provision device of  claim 6 , in which the plurality of light sources comprises four light sources. 
     
     
         9 . The aerosol provision device of  claim 6 , in which the plurality of light sources are configured to illuminate sequentially to indicate progress through a ramp up phase of a use session. 
     
     
         10 . The aerosol provision device of  claim 6 , in which the plurality of light sources are configured to dim sequentially to indicate time remaining in a use session. 
     
     
         11 . The aerosol provision device of  claim 1 , in which a subset of the plurality of light sources is configured to illuminate to indicate a charge status of the aerosol provision device. 
     
     
         12 . The aerosol provision device as claimed in  claim 1  comprising:
 a further plurality of perforations, each of the further plurality of perforations including a dimension of less than 50 microns, and 
 a further light source disposed in the housing adjacent to the further plurality of perforations, 
 arranged so that, when the further light source is activated, light from the further light source visibly passes through the further plurality of perforations, and when the further light source is not active, the further light source is not visible to the naked eye through the further plurality of perforations, the further light source being configured to illuminate to indicate whether the device is operating in a first mode at a first temperature or in a second mode at a second temperature, the second temperature being higher than the first temperature. 
 
     
     
         13 . An aerosol provision device for use with an article comprising aerosol generating material, the aerosol provision device comprising a plurality of light sources arranged in a circular array. 
     
     
         14 . The aerosol provision device of  claim 13 , in which the plurality of light sources is equally spaced circumferentially about the circle. 
     
     
         15 . The aerosol provision device of  claim 13 , in which the plurality of light sources comprises four light sources. 
     
     
         16 . The aerosol provision device of  claim 13 , in which the plurality of light sources is configured to illuminate sequentially to indicate progress through a ramp up phase of a use session. 
     
     
         17 . The aerosol provision device of  claim 13 , in which the plurality of light sources is configured to dim sequentially to indicate time remaining in a use session. 
     
     
         18 . The aerosol provision device of  claim 13 , in which a subset of the plurality of light sources is configured to illuminate to indicate a charge status of the aerosol provision device. 
     
     
         19 . The aerosol provision device of  claim 13  comprising a further light source disposed in the housing, the further light source being configured to illuminate to indicate whether the device is operating in a first mode at a first temperature or in a second mode at a second temperature, the second temperature being higher than the first temperature. 
     
     
         20 . A system comprising an article comprising aerosol generating material and the aerosol provision device of  claim 1 .