Method and apparatus for mounting liquid crystal on silicon (LCoS) and other sensitive devices
US6796663B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2002 |
| Grant date | Sep 28, 2004 |
| Priority date | — |
| Expiry date | Sep 20, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/283
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A device package has a bezel attached to a carrier. The bezel extends toward a surface of an optical component to which a device mounted in the carrier is attached. The bezel extends in a direction and to a distance that allows the bezel to act as a guide for a dislodging tool. The dislodging tool is guided to an interface where an adhesive attaches the device to the optical component. Preferably, the device is a microdisplay attached to a prism assembly. The bezel may also be used to attach the device package to the optical component with either an air gap or a liquid coupling the microdisplay (and/or an optical stack) and the optical component. An air bladder, air bubble, or tube device is included in the liquid coupling to accommodate expansion of the liquid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.