Patent · US Active

Optical lens

US10571669B2 · kind B2 · utility

0Cited by

19References

18Claims

0Family size

Assignee

Young Optics Inc. · TW

Inventors

Sheng-Da Jiang · Shanghai, CN
Hsin-Te Chen · Zhuolan Township, TW
Sheng-Tang Lai · 東區, TW
Kai-Yun Chen · Hsinchu, TW

Key dates

Filing date	Dec 28, 2015
Grant date	Feb 25, 2020
Priority date	—
Expiry date	Nov 23, 2036

Classification

Technology area (CPC G)Physics
CPC primaryG02B13/18
WIPO fieldOptics
WIPO sectorInstruments

Abstract

An optical lens includes a first lens group and a second lens group. The first lens group is disposed between a magnified side and a minified side and has a negative refractive power. The second lens group is disposed between the first lens group and the minified side and has a positive refractive power. The optical lens is capable of forming an image at the magnified side. 0.52>F/H>0.46, where F is an effective focal length, and H is an image height.

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