Our US Issued Patents

Interested in joint venturing or licensing any of our technology to enhance your product offerings, please give us a call.

MeadowStar’s Intellectual Property Portfolio forms the foundation for several product designs.  Not only do we possess the basic patents that are the innovation behind these products, but we have also acquired the full Intellectual Property and research, development, and fabrication assets of the company behind them, including a portfolio of over 200 worldwide patents for a wide range of optics and lighting products and technologies. The company has filed over 30 new patents for enhancing projection performance of LED,  Phosphor and Laser/Phosphor hybrid light sources, optical fiber and non-lethal optical disruption. MeadowStar now owns the technology for reflective recycling, light amplification components for product applications worldwide.

US Patent # Issued Date Filed Date Title
6,672,740 1/6/2004 6/28/2000 CONDENSING AND COLLECTING
OPTICAL SYSTEM USING PARABOLIC REFLECTORS OR A CORRESPONDING
ELLIPSOID/HYPERBOLOID PAIR OF REFLECTORS
6,227,682 5/8/2001 3/22/2000 COUPLING OF LIGHT FROM A SMALL
LIGHT SOURCE FOR PROJECTION SYSTEMS USING PARABOLIC REFLECTORS
6,634,759 10/21/2003 9/27/2000 COUPLING OF LIGHT FROM A
LIGHT SOURCE TO A TARGET USING DUAL ELLIPSOIDAL REFLECTORS
7,618,158 11/17/2009 3/22/2006 ILLUMINATION SYSTEM USING
FILAMENT LAMPS
7,452,086 11/18/2008 2/2/2007 LIGHT PIPE BASED
PROJECTION ENGINE
POLARIZATION RECOVERY
SYSTEM FOR PROJECTION DISPLAYS
7,357,550 4/15/2008 6/14/2005 LED ILLUMINATION ENGINE
USING A REFLECTOR
ETENDUE EFFICIENT COMBINATION OF
MULTIPLE LIGHT SOURCES
7,631,989 12/15/2009 6/29/2006 DUAL PARABOLOID REFLECTOR
AND DUAL ELLIPSOID REFLECTOR SYSTEMS WITH OPTIMIZED MAGNIFICATION
7,513,630 4/7/2009 7/17/2006 COMPACT DUAL ELLIPSOIDAL
REFLECTOR (DPR) SYSTEM HAVING TWO MOLDED
ELLIPSOIDAL MODULES SUCH THAT A RADIATION RECEIVING MODULE REFLECTS A PORTION
OF RAYS TO AN OPENING IN THE OTHER MODULE
7,357,558 4/15/2008 9/6/2006 LCD DISPLAY BACKLIGHT
SYSTEM WITH IMPROVED COLOR MIXING AND EFFICIENCY
7,976,204 7/12/2011 6/13/2007 ILLUMINATION SYSTEM AND
METHOD FOR RECYCLING LIGHT TO INCREASE THE BRIGHTNESS OF THE LIGHT SOURCE
8,388,190 3/5/2013 6/1/2011 ILLUMINATION SYSTEM AND
METHOD FOR RECYCLING LIGHT TO INCREASE THE BRIGHTNESS OF THE LIGHT SOURCE
LIGHT MULTIPLEXER WITH RECYCLER,
AND A MICRO-PROJECTOR INCORPORATING THE SAME
8,317,331 11/27/2012 8/17/2009 RECYCLING SYSTEM AND
METHOD FOR INCREASING BRIGHTNESS USING LIGHT PIPES WITH ONE OR MORE LIGHT
SOURCES, AND A PROJECTOR INCORPORATING THE SAME
8,602,567 12/10/2013 9/27/2010 MULTIPLEXING LIGHT PIPE
HAVING ENHANCED BRIGHTNESS
8,979,308 3/17/2015 3/31/2011 LED ILLUMINATION SYSTEM
WITH RECYCLED LIGHT
8,789,973 7/29/2014 4/21/2011 LIQUID COOLED LED
LIGHTING DEVICE
8,858,037 10/14/2014 2/23/2012 LIGHT EMITTING DIODE
ARRAY ILLUMINATION SYSTEM WITH RECYCLING
9,057,488 6/16/2015 3/15/2013 LIQUID-COOLED LED LAMP
5,707,131 1/13/1998 1/24/1996 COLLECTIONS AND
CONDENSING OPTICAL SYSTEM USING CASCADED CONCAVE REFLECTORS
5,898,802 4/27/1999 3/27/1997 COUPLING METHOD AND
APPARATUS FOR COUPLING POLYMER FIBERS TO A LIGHT SOURCE FOR IMPROVING POWER
HANDLING CAPABILITIES OF THE POLYMER FIBERS
6,089,741 7/18/2000 2/18/1998 APPARATUS AND METHOD FOR
COUPLING HIGH INTENSITY LIGHT INTO LOW TEMPERATURE OPTICAL FIBER
6,065,882 5/23/2000 6/5/1998 SNAP-IN PROXIMAL
CONNECTOR FOR MOUNTING AN OPTIC FIBER ELEMENT INTO A LIGHT SOURCE SYSTEM
6,595,673 7/22/2003 12/20/1999 COUPLING OF HIGH
INTENSITY LIGHT INTO LOW MELTING POINT FIBER OPTICS USING POLYGONAL
HOMOGENIZERS
6,231,199 5/15/2001 3/29/2000 COLLECTING AND CONDENSING
OPTICAL SYSTEM USING CASCADED PARABOLIC REFLECTORS
6,312,144 11/6/2001 3/21/2000 OPTICAL SYSTEM HAVING
RETRO-REFLECTORS
6,385,371 5/7/2002 4/3/2000 OPTICAL SYSTEM INCLUDING COUPLING
FOR TRANSMITTING LIGHT BETWEEN A SINGLE FIBER LIGHT GUIDE AND MULTIPLE SINGLE
FIBER LIGHT GUIDES
6,626,582 9/30/2003 2/13/2001 SNAP-ON CONNECTOR SYSTEM
FOR COUPLING LIGHT FROM AN ILLUMINATOR TO A FIBER OPTIC
6,619,820 9/16/2003 9/20/2001 LIGHT CONDENSING AND
COLLECTING SYSTEMS USING LENSED LIGHT PIPES
6,616,304 9/9/2003 10/3/2001 TEMPERATURE CONTROL FOR
ARC LAMPS
6,565,235 5/20/2003 10/23/2001 FOLDING AN ARC INTO
ITSELF TO INCREASE THE BRIGHTNESS OF AN ARC LAMP
6,587,269 7/1/2003 3/23/2001 POLARIZATION RECOVERY
SYSTEM FOR PROJECTION DISPLAYS
6,982,830 1/3/2006 1/21/2003 POLARIZATION RECOVERY
SYSTEM FOR PROJECTION DISPLAYS
7,092,159 8/15/2006 5/21/2004 POLARIZATION RECOVERY
SYSTEM FOR PROJECTION DISPLAYS
7,002,745 2/21/2006 2/18/2005 POLARIZATION RECOVERY
SYSTEM FOR PROJECTION DISPLAYS
7,130,122 10/31/2006 9/30/2005 POLARIZATION RECOVERY
SYSTEM FOR PROJECTION DISPLAYS
7,339,735 3/4/2008 4/28/2006 POLARIZATION RECOVERY
SYSTEM FOR PROJECTION DISPLAYS
6,856,727 2/15/2005 3/4/2002 COUPLING OF LIGHT FROM A
NON-CIRCULAR LIGHT SOURCE
6,840,623 1/11/2005 4/24/2002 LIGHT RECOVERY FOR
PROJECTION DISPLAYS
6,829,412 12/7/2004 5/28/2002 LENSED TAPERED OPTICAL
WAVEGUIDE
6,926,435 8/9/2005 8/23/2002 LED ILLUMINATION ENGINE USING
A REFLECTOR
6,836,576 12/28/2004 2/10/2003 POLARIZATION RECOVERY
SYSTEM USING LIGHT PIPES
7,338,187 3/4/2008 6/18/2003 MULTIPLE LAMP
ILLUMINATION SYSTEM
7,213,947 5/8/2007 10/2/2003 MULTIPLE OUTPUT
ILLUMINATION USING REFLECTORS
6,969,177 11/29/2005 2/20/2004 POLARIZATION RECOVERY
SYSTEM USING REDIRECTION
6,854,864 2/15/2005 5/19/2003 LIGHT PIPE LIGHT SOURCE
WITH FLUX CONDENSING LIGHT PIPE
7,172,290 2/6/2007 6/9/2004 LIGHT PIPE BASED
PROJECTION ENGINE
7,710,669 5/4/2010 2/9/2006 ETENDUE EFFICIENT COMBINATION OF
MULTIPLE LIGHT SOURCES
7,006,288 2/28/2006 6/30/2004 POLARIZATION RECOVERY
SYSTEM FOR PROJECTION DISPLAYS
6,898,353 5/24/2005 9/28/2004 LENSED TAPERED OPTICAL
WAVEGUIDE
7,232,228 6/19/2007 11/24/2004 LIGHT RECOVERY FOR PROJECTION
DISPLAYS
7,151,874 12/19/2006 1/31/2006 LENS TAPERED OPTICAL
WAVEGUIDE
6,672,740 1/6/2004 6/28/2000 CONDENSING AND COLLECTING
OPTICAL SYSTEM USING PARABOLIC REFLECTORS OR A CORRESPONDING
ELLIPSOID/HYPERBOLOID PARE OF REFLECTORS
6,227,682 5/8/2001 3/22/2000 COUPLING OF LIGHT FROM A
SMALL LIGHT SOURCE FOR PROJECTION SYSTEM USING PARABOLIC REFLECTORS
6,634,759 10/21/2003 9/27/2000 COUPLING OF LIGHT FROM A
LIGHT SOURCE TO A TARGET USING DUAL ELLIPSOIDAL REFLECTIONS