Optical lens and optical lens assembly having the same
US11815240B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 2, 2022 |
| Grant date | Nov 14, 2023 |
| Priority date | — |
| Expiry date | Dec 2, 2042 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21W2102/13
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An optical lens includes a front lens part and a rear lens part disposed rearward of the front lens portion. The rear lens part has a rear end, a light entry portion that is concaved forwardly from the rear end and that is adapted to receive incidence of light rays, and a reflective portion that extends forwardly from the rear end and that surrounds the light entry portion. The reflective portion has two first reflective surfaces respectively disposed on top and bottom sides of the light entry portion, two second reflective surfaces respectively disposed at left and right sides of the light entry portion, and a plurality of third reflective surfaces each disposed between one of the first reflective surfaces and one of the second reflective surfaces. The first, second, and third reflective surfaces together form a discontinuous stepped surface around the light entry portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.