Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12242060 | Multi-pupil expansion light guide assembly with rod | Yao LIU, Simon Julien | 2025-03-04 |
| 12019241 | 2D-pupil expansion light guide assembly | Simon Julien, Yao LIU, Kayvan Mirza | 2024-06-25 |
| 9696479 | Optical device and method for manufacturing such a device | Xavier Hugel, Pascal Benoit, Guilhem Dubroca | 2017-07-04 |
| 9575317 | Optical guide suitable for creating two luminous imprints | Xavier Hugel, Pascal Benoit | 2017-02-21 |
| 9435955 | Optical guide with superimposed guidance elements and manufacturing method | Guilhem Dubroca, Pascal Benoit, Xavier Hugel | 2016-09-06 |
| 9019597 | Device for short-distance projection at a reasonably large angle with zoom and focusing | Pascal Benoit, Guilhem Dubroca | 2015-04-28 |
| 8310763 | Informative eyeglasses | Guilhem Dubroca, Pascal Benoit | 2012-11-13 |
| 8231228 | Projection image display device having two modulation stages, including one aperture modulation stage | Valter Drazic | 2012-07-31 |
| 7938546 | Method of illuminating a projecting imager, corresponding system and projector | Laurent Blonde, Eugene Murphy O'Donnell | 2011-05-10 |
| 7914155 | Device for displaying color images | Laurent Blonde, Jonathan Kervec | 2011-03-29 |
| 7862182 | Optical system for a projector, and corresponding projector | Julien Thollot, Pascal Benoit | 2011-01-04 |
| 7794092 | Large screen digital image projector | Valter Drazic | 2010-09-14 |
| 7646541 | Backlighting system for a liquid-crystal display screen and corresponding display device | Jean-Jacques Sacre, Thierry Borel | 2010-01-12 |
| 7612771 | Image projection system comprising a single imager which is equipped with photosensitive sensors for the identification of illumination colours | Laurent Blonde | 2009-11-03 |
| 7488077 | Objective for a projection apparatus, and corresponding front-projection or backprojection apparatus | Jean-Jacques Sacre, Pascal Benoit | 2009-02-10 |
| 7461940 | Illumination system for displaying images without color break | Laurent Blonde, Didier Doyen | 2008-12-09 |
| 7180666 | Polarized light illumination device | Pascal Benoit, Valter Drazic | 2007-02-20 |
| 7175279 | Two-stage projection architecture | Valter Drazic, Estill Thone Hall, Jr., Eugene Murphy O'Donnell | 2007-02-13 |
| 6318862 | Projection system employing multiple beam reflections | — | 2001-11-20 |
| 6312143 | Illumination device with light reshaping element for an optical valve | Valter Drazic, Eric Marcellin-Dibon | 2001-11-06 |
| 6115183 | Lighting device | Eric Marcellin-Dibon, Valtor Drazic | 2000-09-05 |
| 6072628 | Optical polarisation device | — | 2000-06-06 |
| 5877824 | System for illuminating a liquid-crystal screen | — | 1999-03-02 |
| 5833339 | Projection system improvement | — | 1998-11-10 |
| 5822025 | Single light valve color projection system | Thierry Borel | 1998-10-13 |