Inventor
SARAYEDDINE KHALED
FR26 patents
⚠️ This page may combine multiple inventors who share the name “SARAYEDDINE KHALED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
THOMSON LICENSING
10 patentsUS7175279B2Feb 13, 2007
Two-stage projection architecture
THOMSON LICENSING22 citations89
US7794092B2Sep 14, 2010
Large screen digital image projector
THOMSON LICENSING12 citations84
US7862182B2Jan 4, 2011
Optical system for a projector, and corresponding projector
THOMSON LICENSING16 citations83
US7180666B2Feb 20, 2007
Polarized light illumination device
THOMSON LICENSING8 citations73
US7914155B2Mar 29, 2011
Device for displaying color images
THOMSON LICENSING5 citations63
US7461940B2Dec 9, 2008
Illumination system for displaying images without color break
THOMSON LICENSING2 citations63
US7938546B2May 10, 2011
Method of illuminating a projecting imager, corresponding system and projector
THOMSON LICENSING4 citations62
US7646541B2Jan 12, 2010
Backlighting system for a liquid-crystal display screen and corresponding display device
THOMSON LICENSING5 citations62
US7488077B2Feb 10, 2009
Objective for a projection apparatus, and corresponding front-projection or backprojection apparatus
THOMSON LICENSING3 citations62
US7612771B2Nov 3, 2009
Image projection system comprising a single imager which is equipped with photosensitive sensors for the identification of illumination colours
THOMSON LICENSING0 citations42
THOMSON MULTIMEDIA SA
7 patentsUS6072628AJun 6, 2000
Optical polarisation device
THOMSON MULTIMEDIA SA105 citations97
US5833339ANov 10, 1998
Projection system improvement
THOMSON MULTIMEDIA SA67 citations96
US5737124AApr 7, 1998
Polarizing splitter device and application to a system for illuminating a liquid-crystal screen
THOMSON MULTIMEDIA SA26 citations92
US5877824AMar 2, 1999
System for illuminating a liquid-crystal screen
THOMSON MULTIMEDIA SA17 citations84
US6318862B1Nov 20, 2001
Projection system employing multiple beam reflections
THOMSON MULTIMEDIA SA9 citations73
US6312143B1Nov 6, 2001
Illumination device with light reshaping element for an optical valve
THOMSON MULTIMEDIA SA4 citations62
US6115183ASep 5, 2000
Lighting device
THOMSON MULTIMEDIA SA3 citations56
OPTINVENT
5 patentsUS9575317B2Feb 21, 2017
Optical guide suitable for creating two luminous imprints
OPTINVENT2 citations70
US9696479B2Jul 4, 2017
Optical device and method for manufacturing such a device
OPTINVENT3 citations69
US9435955B2Sep 6, 2016
Optical guide with superimposed guidance elements and manufacturing method
OPTINVENT6 citations69
US12019241B2Jun 25, 2024
2D-pupil expansion light guide assembly
OPTINVENT2 citations67
US12242060B2Mar 4, 2025
Multi-pupil expansion light guide assembly with rod
OPTINVENT0 citations47