Patent · US Active

Optical imaging lens

US11598937B2 · kind B2 · utility

0Cited by
0References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 16, 2020
Grant dateMar 7, 2023
Priority date
Expiry dateSep 3, 2041

Classification

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

Abstract

An optical imaging lens including a first lens element to an eighth lens element arranged in sequence from an object side to an image side along an optical axis is provided. A periphery region of the image-side surface of the first lens element is concave. An optical axis region of the object-side surface of the fourth lens element is convex. The sixth lens element has positive refracting power. An optical axis region of the object-side surface of the seventh lens element is convex, and an optical axis region of the image-side surface of the seventh lens element is concave.

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