Optical illuminator
US8783893B1 · kind B1 · utility
Inventors
Key dates
| Filing date | Jan 28, 2014 |
| Grant date | Jul 22, 2014 |
| Priority date | — |
| Expiry date | Jan 28, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/18308
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
VCSEL arrays with planar electrical contacts readily adaptable for surface mounting are provided. Monolithic VCSEL arrays are configured in array patterns on two and three-dimensional surfaces for configuring optical illuminator modules. Illuminator modules are easily expandable by increasing the array size or by modularly arranging more arrays with or without a transparent substrate, in different shapes by tiling array modules monolithically on a common substrate, or by tiling small modules. The surface mountable illuminator modules are easily assembled on a thermally conductive surface that may be air or liquid cooled for efficient heat dissipation. Array modules may be integrated with other electronic circuits such as current drivers, sensors, controllers, processors, etc. on a common platform, for example, a single or multiple layer printed circuit boards (PCB) to assemble illumination systems for different applications including a gesture recognition apparatus and a battery operated portable illuminator devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.