Issued Patents All Time
Showing 26–50 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7641346 | Method and apparatus to increase the contrast ratio of the image produced by a LCoS based light engine | — | 2010-01-05 |
| 7570240 | Method and apparatus to minimize lamp flicker and increase contrast ratio in projection devices | — | 2009-08-04 |
| 7560710 | Method and apparatus for increasing illuminator brightness in a liquid crystal on silicon (LCoS) based video projection system | Ying-Moh Liu | 2009-07-14 |
| 7556382 | Illuminator that outputs linearly polarized light and that is suitable for use in microdisplay based light engine applications | — | 2009-07-07 |
| 7422329 | Liquid crystal on silicon (LCOS) kernel with 3D projection capability | — | 2008-09-09 |
| 7400452 | Method and apparatus for internal frames to improve performance and manufacturability of optical devices including liquid crystal on silicon (LCOS) based kernels | Mike Detro, Ken Bradley | 2008-07-15 |
| 7390094 | Method and apparatus to achieve a neutral dark state in image projection systems | Ying-Moh Liu, Samson Yang | 2008-06-24 |
| 7352513 | Prism assemblies and kernel configurations for use in projection systems | Mike Detro | 2008-04-01 |
| 7347558 | 3D kernel and prism assembly design | — | 2008-03-25 |
| 7349048 | Method and apparatus for adjusting light intensity | — | 2008-03-25 |
| 7327408 | Illuminator that generates linearly polarized light for microdisplay based light engine | — | 2008-02-05 |
| 7280281 | Method and apparatus for increasing microdisplay black state in light management systems and flexibility to utilize polarized or unpolarized input light | — | 2007-10-09 |
| 7184218 | Method and apparatus for increasing quality and resolution of a projected image | Michael Detro | 2007-02-27 |
| 7175281 | Method and apparatus to increase the contrast ratio of the image produced by a LCoS based light engine | — | 2007-02-13 |
| 7042610 | Method and apparatus for improved waveplates and suppression of stray light in LCoS kernel applications | — | 2006-05-09 |
| 7012755 | Use of a lens array to increase the contrast ratio produced by a LCoS microdisplay | — | 2006-03-14 |
| 6999237 | Method and apparatus for configuration and assembly of a video projection light management system | Michael Detro | 2006-02-14 |
| 6982829 | Prism assembly with cholesteric reflectors | — | 2006-01-03 |
| 6934066 | Method and apparatus for use and construction of compensated higher order waveplates | Ying-Moh Liu | 2005-08-23 |
| 6909556 | Design of prism assemblies and kernel configurations for use in projection systems | Michael Detro | 2005-06-21 |
| 6873480 | Method and apparatus for packaging optical elements | Michael Detro | 2005-03-29 |
| 6796663 | Method and apparatus for mounting liquid crystal on silicon (LCoS) and other sensitive devices | Michael Detro | 2004-09-28 |
| 5519524 | Active matrix liquid crystal having a counterelectrode substrate extended and connected to an external circuit | James L. Fergason | 1996-05-21 |
| 5515186 | Eye protection device for welding helmets which reduces obliquely incident light | Jeffrey K. Fergason, James L. Fergason, John D. Fergason | 1996-05-07 |
| 5486940 | Liquid crystal light polarizer and method | James L. Fergason, Stephen D. Jacobs | 1996-01-23 |