Patent · US Active

Imaging lens assembly

US11333855B2 · kind B2 · utility

0Cited by

0References

16Claims

0Family size

Assignee

Zhejiang Sunny Optical Co., Ltd · CN

Inventor

Yabin HU · 丈亭镇, CN

Key dates

Filing date	Sep 20, 2017
Grant date	May 17, 2022
Priority date	—
Expiry date	Nov 28, 2039

Classification

Technology area (CPC G)Physics
CPC primaryG02B9/60
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The present disclosure discloses an imaging lens assembly. The imaging lens assembly includes, sequentially from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens and a fifth lens. An effective focal length f of the imaging lens assembly and an entrance pupil diameter EPD of the imaging lens assembly satisfy: f/EPD≤1.8, and an incident angle of a chief ray corresponding to a maximal field-of-view incident on an object-side surface of the fourth lens CRA4<15°. The imaging lens assembly according to the present disclosure consists of 5 lenses, which can realize an imaging lens assembly having an ultra-thin large aperture and a good image quality.

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