Imaging lens assembly, camera module and electronic device

An imaging lens assembly, comprising:

• a plastic barrel, comprising:
• an object-side aperture;
• and
• a first annular surface formed in the plastic barrel and surrounding the object-side aperture;
• and
• an imaging lens set disposed in the plastic barrel and having an optical axis, and the imaging lens set comprising a plurality of optical elements, wherein at least one of the optical elements is a plastic lens element, and the plastic lens element comprises:
• an effective optical portion;
• a peripheral portion formed around the effective optical portion;
• a second annular surface formed on an object-side surface of the plastic lens element and surrounding the effective optical portion;
• and
• an object-side connecting surface formed on the object-side surface of the plastic lens element and surrounding the effective optical portion, and the object-side connecting surface connected with one of the optical elements disposed on an object side of the plastic lens element, wherein the object-side connecting surface is closer to the effective optical portion than the second annular surface thereto;
• wherein, the first annular surface and the second annular surface are parallel to each other, both of the first annular surface and the second annular surface are perpendicular to the optical axis, and there is without additional one or more optical elements inserted between the first annular surface and the second annular surface;
• wherein, the object-side connecting surface is disposed on an object side of the first annular surface, a distance parallel to the optical axis between the object-side connecting surface and the first annular surface is AT1, and the following condition is satisfied:
• −0.40 mm<AT1<0 mm.