Wide-angle illuminator module
US11451013B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 3, 2021 |
| Grant date | Sep 20, 2022 |
| Priority date | — |
| Expiry date | Aug 3, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/50
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A wide-angle illuminator module including a rigid support structure having a plurality of angled faces, a flexible circuit including one or more VCSEL arrays, each VCSEL array positioned over a face among the plurality of angled faces, each VCSEL array including a plurality of integrated microlenses with one microlens positioned over each VCSEL in the VCSEL array, and a driver circuit for providing electrical pulses to each VCSEL array, wherein the plurality of VCSEL arrays address illumination zones in a combined field of illumination. The support structure may also be a heatsink. The flexible circuit may be a single flexible circuit configured to be placed over the support structure or a plurality of flexible circuits, each including one VCSEL array.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.