Optical imaging lens and electronic device comprising the same
AssigneeGenius Electronic Optical (Xiamen) Co., Ltd.
InventorsShih-Han Chen, Huabin Liao, Changlin Zhao
Life of this patent
Estimating the term…
Abstract
An optical imaging lens includes six lens elements. The object-side surface of the first lens element has a convex part in a vicinity of the periphery of the first lens element, the image-side surface of the second lens element has a concave part in a vicinity of the periphery of the first lens element, the object-side surface of the third lens element has a convex part in a vicinity of the optical axis, the image-side surface of the fourth lens element has a convex part in a vicinity of the periphery of the fourth lens element, the image-side surface of the fifth lens element has a concave part in a vicinity of the optical axis, and the sixth lens element has negative refractive power.
Claims20
An optical imaging lens, from an object side to an image side in order along an optical axis, comprising 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, each of the first, second, third, fourth, fifth, and sixth lens elements having an object-side surface facing toward the object side and an image-side surface facing toward the image side, the optical imaging lens does not include any lens element other than the first lens element, the second lens element, the third lens element, the fourth lens element, the fifth lens element, and the sixth lens element, wherein:
- the object-side surface of the second lens element has a convex part in a vicinity of the optical axis;
- and
- the image-side surface of the fourth lens element has a convex part in a vicinity of a periphery of the fourth lens element;
- wherein EFL is an effective focal length of the optical imaging lens, T1 is a thickness of the first lens element along the optical axis, an Abbe number of the sixth lens element is greater than an Abbe number of the fifth lens element, a thickness of the third lens element along the optical axis is greater than an air gap between the third lens element and the fourth lens element along the optical axis, the thickness of the third lens element along the optical axis is greater than an air gap between the fourth lens element and the fifth lens element along the optical axis, and the optical imaging lens satisfies the relation:
- 4.7
- ≦
- EFL
- /
- T
- 1.
An optical imaging lens, from an object side to an image side in order along an optical axis, comprising 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, each of the first, second, third, fourth, fifth, and sixth lens elements having an object-side surface facing toward the object side and an image-side surface facing toward the image side, the optical imaging lens does not include any lens element other than the first lens element, the second lens element, the third lens element, the fourth lens element, the fifth lens element, and the sixth lens element, wherein:
- the image-side surface of the fourth lens element has a convex part in a vicinity of a periphery of the fourth lens element;
- and
- the object-side surface of the sixth lens element has a convex part in a vicinity of the optical axis;
- wherein EFL is an effective focal length of the optical imaging lens, T1 is a thickness of the first lens element along the optical axis, an Abbe number of the sixth lens element is greater than an Abbe number of the fifth lens element, a thickness of the third lens element along the optical axis is greater than an air gap between the third lens element and the fourth lens element along the optical axis, the thickness of the third lens element along the optical axis is greater than an air gap between the fourth lens element and the fifth lens element along the optical axis, and the optical imaging lens satisfies the relation:
- 4.7
- ≦
- EFL
- /
- T
- 1.
Dependencies are inferred from the claim text.