Lens, lens array and method for making lens array
US7796336B2 · kind B2 · utility
3Cited by
2References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 24, 2009 |
| Grant date | Sep 14, 2010 |
| Priority date | — |
| Expiry date | May 24, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B3/0031
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An exemplary lens includes a light pervious substrate, a first optically active part, and a light blocking film. The light pervious substrate has a first surface, an opposite second surface, and a recess defined in the first surface. The recess includes a bottom surface. The first optically active part is formed on the bottom surface. The light blocking film is formed on the bottom surface surrounding the first optically active part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.