Imaging lens assembly and electronic device

An imaging lens assembly, having an optical axis, comprising:

• a plastic lens element set, comprising:
• two plastic lens elements, in order from an object side to an image side along the optical axis being a first plastic lens element and a second plastic lens element;
• and
• at least one anti-reflective layer, having a nanostructure, and disposed on at least one of an image-side surface of the first plastic lens element and an object-side surface of the second plastic lens element;
• wherein a central distance between a paraxial region of the image-side surface of the first plastic lens element and a paraxial region of the object-side surface of the second plastic lens element is d, a minimum air gap between an off-axis region of the image-side surface of the first plastic lens element and an off-axis region of the object-side surface of the second plastic lens element is AG1, a peripheral air gap between an edge of an optical effective region of the image-side surface of the first plastic lens element and an edge of an optical effective region of the object-side surface of the second plastic lens element is AG2, the minimum air gap is formed on the at least one anti-reflective layer, a grain height of the nanostructure is gH, and the following conditions are satisfied:
• 65 nm<gH<600 nm;
• 0.001≤AG1/d<0.7;
• and
• 0.01<AG1/AG2<0.9.