Optical image lens assembly, image capturing device and electronic device

An optical image lens assembly comprising, in order from an object side to an image side:

• a first lens element with positive refractive power having an object-side surface being convex in a paraxial region thereof;
• a second lens element with positive refractive power having an image-side surface being convex in a paraxial region thereof;
• a third lens element with negative refractive power having an image-side surface being concave in a paraxial region thereof;
• a fourth lens element;
• a fifth lens element with positive refractive power having an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof;
• and
• a sixth lens element with negative refractive power having an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof, wherein the object-side surface and the image-side surface of the sixth lens element are aspheric, and the image-side surface of the sixth lens element comprises at least one convex shape in an off-axis region thereof;
• wherein the optical image lens assembly has a total of six lens elements, a curvature radius of an object-side surface of the second lens element is R3, a curvature radius of the image-side surface of the second lens element is R4, a focal length of the first lens element is f1, a focal length of the second lens element is f2, a focal length of the third lens element is f3, an axial distance between the object-side surface of the first lens element and the image-side surface of the sixth lens element is Td, a sum of all axial distances between adjacent lens elements of the optical image lens assembly is ΣAT, and the following conditions are satisfied:
• 0.53≤(R3+R4)/(R3−R4);
• |f2/f3|<3.0;
• 4.0<Td/ΣAT<20;
• and
• 0.50<f1/f2<1.50.