Imaging lens assembly, image capturing unit and electronic device

An imaging lens assembly comprising six lens elements, the six lens elements being, 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 and a sixth lens element;
• wherein the second lens element has positive refractive power, the third lens element has negative refractive power, the fifth lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof, and the image-side surface of the fifth lens element has at least one inflection point;
• wherein a focal length of the imaging lens assembly is f, a maximum image height of the imaging lens assembly is ImgH, a central thickness of the first lens element is CT1, an axial distance between the first lens element and the second lens element is T12, an axial distance between the second lens element and the third lens element is T23, an axial distance between the third lens element and the fourth lens element is T34, an axial distance between the fourth lens element and the fifth lens element is T45, a curvature radius of an object-side surface of the first lens element is R1, a curvature radius of an image-side surface of the sixth lens element is R12, and the following conditions are satisfied:
• 2.15<f/ImgH<5.5;
• 0.10<(CT1+T12)/(T23+T34+T45)<0.90;
• and
• −1.70<(R1−R12)/(R1+R12)<5.0.

An imaging lens assembly comprising six lens elements, the six lens elements being, 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 and a sixth lens element;
• wherein the first lens element has positive refractive power, the second lens element has positive refractive power, the third lens element has negative refractive power, the fifth lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof, and the image-side surface of the fifth lens element has at least one inflection point;
• wherein a focal length of the imaging lens assembly is f, a maximum image height of the imaging lens assembly is ImgH, a central thickness of the first lens element is CT1, an axial distance between the third lens element and the fourth lens element is T34, an axial distance between the fourth lens element and the fifth lens element is T45, and the following conditions are satisfied:
• 2.15<f/ImgH<5.5;
• and
• 1.8<(CT1+T34)/T45<33.0.

An imaging lens assembly comprising six lens elements, the six lens elements being, 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 and a sixth lens element;
• wherein the second lens element has positive refractive power, the third lens element has negative refractive power, the fifth lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof, and the image-side surface of the fifth lens element has at least one inflection point;
• wherein half of a maximum field of view of the imaging lens assembly is HFOV, an Abbe number of the third lens element is V3, an Abbe number of the fourth lens element is V4, an Abbe number of the sixth lens element is V6, and the following conditions are satisfied:
• 5.0[deg.]<HFOV<23.0[deg.];
• and
• 10<V3+V4+V6<95.

An imaging lens assembly comprising six lens elements, the six lens elements being, 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 and a sixth lens element;
• wherein the second lens element has positive refractive power, the third lens element has negative refractive power, the fifth lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof, and the image-side surface of the fifth lens element has at least one inflection point;
• wherein half of a maximum field of view of the imaging lens assembly is HFOV, an axial distance between an object-side surface of the first lens element and an image surface is TL, a focal length of the imaging lens assembly is f, a maximum image height of the imaging lens assembly is ImgH, and the following conditions are satisfied:
• 5.0[deg.]<HFOV<23.0[deg.];
• 0.70<TL/f<1.10;
• and
• 2.0<f/ImgH<10.

An imaging lens assembly comprising six lens elements, the six lens elements being, 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 and a sixth lens element;
• wherein the first lens element has an object-side surface being convex in a paraxial region thereof, the second lens element has positive refractive power, the third lens element has negative refractive power, the fifth lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof, and the image-side surface of the fifth lens element has at least one inflection point;
• wherein half of a maximum field of view of the imaging lens assembly is HFOV, an axial distance between the object-side surface of the first lens element and an image surface is TL, a focal length of the imaging lens assembly is f, a maximum image height of the imaging lens assembly is ImgH, a central thickness of the fourth lens element is CT4, an axial distance between the third lens element and the fourth lens element is T34, and the following conditions are satisfied:
• 5.0[deg.]<HFOV<30.0[deg.];
• 0.70<TL/f<1.45;
• 2.0<f/ImgH<10;
• and
• 0.05<CT4/T34<0.85.