Fan device

A fan device, comprising:

• at least one fan, having at least one first engaging portion and at least one electrically connecting portion, wherein the at least one electrically connecting portion is located at the at least one first engaging portion;
• and
• a light emitting assembly, comprising:
• a back plate, disposed on a side of the at least one fan and having at least one through slot and at least one second engaging portion, wherein the at least one second engaging portion is located at the at least one through slot, and the at least one second engaging portion is engaged with the at least one first engaging portion;
• at least one conductive structure, disposed through the at least one through slot, wherein the at least one conductive structure is partially located at the at least one second engaging portion, and a side of the at least one conductive structure is electrically connected to the at least one electrically connecting portion via an engagement between the at least one first engaging portion and the at least one second engaging portion;
• and
• a light emitting component, disposed on a side of the back plate away from the at least one fan, wherein another side of the at least one conductive structure is electrically connected to the light emitting component.