Patent · US Active

Lens assembly

US12411317B2 · kind B2 · utility

0Cited by

5References

19Claims

0Family size

Assignees

SINTAI OPTICAL (SHENZHEN) CO., LTD. · CN
ASIA OPTICAL CO., INC. · TW

Inventors

An-Kai Chang · Taichung, TW
Wen-Chieh Chen · Pingzhen District, TW

Key dates

Filing date	Feb 7, 2022
Grant date	Sep 9, 2025
Priority date	—
Expiry date	Apr 11, 2044

Classification

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

Abstract

A lens assembly includes a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. The first lens is a meniscus lens with negative refractive power. The second lens is with positive refractive power and includes a convex surface facing an image side. The third lens is a meniscus lens with positive refractive power. The fourth lens is with positive refractive power. The fifth lens is with refractive power and includes a convex surface facing an object side. The first lens, the second lens, the third lens, the fourth lens, and the fifth lens are arranged in order from an object side to the image side along an optical axis.

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