US Patent 9606328 Photographing optical lens assembly, image capturing unit and electronic device

A photographing optical lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. The second lens element has positive refractive power. The sixth lens element has both of an object-side surface and an image-side surface being aspheric. The seventh lens element has an image-side surface being concave in a paraxial region thereof, wherein the image-side surface of the seventh lens element has at least one convex shape in an off-axis region thereof, and both of an object-side surface and the image-side surface are aspheric.