Patent · US Active

Optical lens assembly

US10451840B2 · kind B2 · utility

4Cited by

0References

18Claims

0Family size

Assignee

Genius Electronic Optical (Xiamen) Co., Ltd. · CN

Inventors

Jia-Sin Jhang · Taichung, TW
Feng Chen · Fujian, CN
Yanbin Chen · Taichung, TW

Key dates

Filing date	May 3, 2016
Grant date	Oct 22, 2019
Priority date	—
Expiry date	May 3, 2036

Classification

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

Abstract

An optical lens assembly includes first, second, third and fourth lens elements arranged in sequence from an object side to an image side along an optical axis, and each lens element has an object-side surface and an image-side surface. The first lens element has positive refracting power, and the object-side surface of the first lens element has a convex portion in a vicinity of the optical axis and a convex portion in a vicinity of a periphery. The second lens element has negative refracting power. The object-side surface of the third lens element has a concave portion in a vicinity of the periphery. The image-side surface of the fourth lens element has a convex portion in a vicinity of the periphery.

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