Patent · US Active

Imaging lens, camera module, and imaging apparatus

US8279537B2 · kind B2 · utility

120Cited by
0References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 3, 2011
Grant dateOct 2, 2012
Priority date
Expiry dateFeb 2, 2031

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B13/0045
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An imaging lens includes, sequentially from an object side, a positive first lens; a negative second lens; a positive third lens having a convex surface on an image plane side; a fourth lens that is a meniscus lens having a convex surface on the image plane side; and a fifth lens having a refractive power that gradually changes from negative at the lens center to positive at the lens periphery, where the first lens and the second lens are disposed having an interval therebetween.

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