Patent · US Active

Imaging lens

US10330892B2 · kind B2 · utility

22Cited by
1References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 21, 2016
Grant dateJun 25, 2019
Priority date
Expiry dateDec 21, 2036

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B9/64
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A compact imaging lens which addresses low-profile and low F value, and corrects aberrations. An imaging lens includes a first lens having positive refractive power and a convex surface on an object side near an optical axis, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens and a eighth lens having a concave surface on an image side near the optical axis as double-sided aspheric lens, wherein the second to seventh lenses each have at least one aspheric surface, and the eighth lens has pole points off an optical axis on the aspheric image-side surface.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.