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Browse by Category: Main > Optical & Optics
Class Information
Number: 359/502
Name: Optical: systems and elements > Polarization without modulation > Light polarization without any external input > With color filter
Description: Subject matter where a polarizing structure is combined with structure to selectively absorb or transmit specific light wavelengths.










Patents under this class:
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Patent Number Title Of Patent Date Issued
7828447 Projector with a removable color wheel Nov. 9, 2010
7821713 Color light combining system for optical projector Oct. 26, 2010
7701633 Prism optical system and image pickup apparatus Apr. 20, 2010
7667894 Security element and process for producing the same Feb. 23, 2010
7652820 Reflective LCD projection system using wide-angle cartesian polarizing beam splitter and color separation and recombination prisms Jan. 26, 2010
7628493 Projector based on tunable individually-addressable Fabry-Perot filters Dec. 8, 2009
7542206 Light collectors for projection systems Jun. 2, 2009
7529024 Polarization conversion system and illumination module May. 5, 2009
7497577 Light modulator assembly Mar. 3, 2009
7499126 Polarizing film and display device having the same Mar. 3, 2009
7468844 Apparatus for adding red light to a polarized light system Dec. 23, 2008
7390095 Projector Jun. 24, 2008
7334900 Three-dimensional image projecting apparatus Feb. 26, 2008
7311399 Method of making a thermoplastic-based article and a thermoplastic-based article made thereby Dec. 25, 2007
7298558 Electronic adjustable color filter device Nov. 20, 2007
7295371 High efficiency electromagnetic beam projector, and systems and methods for implementation thereof Nov. 13, 2007
7294372 Conductive color filters Nov. 13, 2007
7286290 Optical illumination apparatus Oct. 23, 2007
7278743 Single panel illumination system and projection display apparatus using the same Oct. 9, 2007
7274427 Method of producing optical element by patterning liquid crystal films Sep. 25, 2007
7215302 Display device, position adjustment pattern display program, recording medium, polarized glasses, and method of adjusting position of filter of the display device May. 8, 2007
7170679 Optically active color filter Jan. 30, 2007
7165847 Method and system for light processing using a gold segment Jan. 23, 2007
7154671 High efficiency electromagnetic beam projector, and systems and methods for implementation thereof Dec. 26, 2006
7153011 Vehicle light arrangement with coloring effect Dec. 26, 2006
7102822 High efficiency electromagnetic beam projector, and systems and methods for implementation thereof Sep. 5, 2006
7081997 High efficiency electromagnetic beam projector, and systems and methods for implementation thereof Jul. 25, 2006
7066600 Projection type image display apparatus Jun. 27, 2006
7048380 Color switching projection apparatus with two liquid crystal panels May. 23, 2006
7002662 Method of producing optical element by patterning liquid crystal films Feb. 21, 2006
6975455 Transflective layer for displays Dec. 13, 2005
6943949 High efficiency electromagnetic beam projector, and systems and methods for implementation thereof Sep. 13, 2005
6910773 Projection type image display apparatus Jun. 28, 2005
6882476 High efficiency electromagnetic beam projector, and systems and methods for implementation thereof Apr. 19, 2005
6797366 Color shifting film articles Sep. 28, 2004
6791752 High efficiency electromagnetic beam projector, and systems and methods for implementation thereof Sep. 14, 2004
6781757 Polarization insensitive tunable optical filters Aug. 24, 2004
6674489 Image display performing color reproduction using color filters Jan. 6, 2004
6650474 Optical filter and optical device provided with this optical filter Nov. 18, 2003
6631992 Projector color correction to target white points Oct. 14, 2003
6552849 Color polarizer with support for liquid crystal projector and color liquid crystal projector Apr. 22, 2003
6545804 Projection display with two reflective light valves Apr. 8, 2003
6538815 Bi-directional optical circulator and applications thereof Mar. 25, 2003
6534158 Color shifting film with patterned fluorescent and non-fluorescent colorants Mar. 18, 2003
6535333 Optical system with reduced color shift Mar. 18, 2003
6522468 Light-polarizing film Feb. 18, 2003
6506480 Color shifting film with a plurality of fluorescent colorants Jan. 14, 2003
6449092 Reflective polarizers having extended red band edge for reduced off axis color Sep. 10, 2002
6385139 Display device and electronic timepiece May. 7, 2002
6366403 Laser image contrast enhancement system Apr. 2, 2002

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