Patent · US Active

Optical lens

US12025800B2 · kind B2 · utility

0Cited by
3References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 2, 2021
Grant dateJul 2, 2024
Priority date
Expiry dateNov 2, 2041

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B2027/015
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An optical lens is provided. The optical lens includes a first lens element to a fifth lens element sequentially arranged from a light incident side to a light exit side. An image generation device is disposed at the light incident side, and the optical lens is configured to receive an image beam provided by the image generation device. The image beam forms a stop at the light exit side. The stop has a minimum cross-sectional area of beam shrinkage of the image beam. The optical lens provided by the invention exhibits good optical quality and thermal stability.

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