Optical lens and method of making the same
US9207364B2 · kind B2 · utility
6Cited by
1References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2012 |
| Grant date | Dec 8, 2015 |
| Priority date | — |
| Expiry date | Mar 11, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/208
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical lens includes a lens member and two shade layers on opposite sides of the lens member. The lens member respectively has a lens portion on each side thereof. Each shade layer has an aperture above the corresponding lens portion of the lens member to serve the function of aperture. A method uses optical lithography technique to make such optical lens in a fast way, and the shade layers will have a strong bonding strength with the lens member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.