Optical imaging lens and electronic device comprising the same

摘要

An optical imaging lens includes: a first, second, third, fourth, fifth and sixth lens element. The first lens element has an image-side surface with a concave part in a vicinity of its periphery, the second lens element has an image-side surface with a concave part in a vicinity of the optical axis, the third lens element has positive refractive power, the fourth lens element has an object-side surface with a convex part in a vicinity of its periphery, the fifth lens element has an object-side surface with a concave part in a vicinity of the optical axis, the sixth lens element has an image-side surface with a concave part in a vicinity of the optical axis, and the sixth lens element being made of plastic.

主权项

1. An optical imaging lens set, from an object side toward 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, said first to sixth lens elements with refractive power, having an object-side surface facing toward the object side as well as an image-side surface facing toward the image side, wherein:
said first lens element has an image-side surface with a concave part in a vicinity of its periphery; said second lens element has an image-side surface with a concave part in a vicinity of the optical axis; said third lens element has positive refractive power; said fourth lens element has an object-side surface with a convex part in a vicinity of its periphery; said fifth lens element has an object-side surface with a concave part in a vicinity of the optical axis; said sixth lens element has an image-side surface with a concave part in a vicinity of the optical axis, and the sixth lens element being made of plastic; an air gap G12 between said first lens element and said second lens element along said optical axis, an air gap G34 between said third lens element and said fourth lens element along said optical axis, and a thickness T6 of said sixth lens element along said optical axis satisfy a relationship (G12+G34)/T6≦1.7, besides, the optical imaging lens set does not include any lens element with refractive power other than said first lens element, second lens element, third lens element, fourth lens element, fifth lens element and sixth lens element.