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Class Information
Number: 359/487
Name: Optical: systems and elements > Polarization without modulation > Light polarization without any external input > By reflection or refraction (e.g., brewster angle)
Description: Subject matter wherein a light beam is polarized as a result of either (1) striking a surface and returning into the originating medium or (2) redirection as it passes through media of differing optical densities.

Sub-classes under this class:

Class Number Class Name Patents
359/488 With particular medium 92

Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
7874682 Component displays and beamsplitter that form composite image Jan. 25, 2011
7868527 Polarizer, method of manufacturing the same, and flat panel display device including the polarizer Jan. 11, 2011
7869127 Precision polarization optimized optical beam processor Jan. 11, 2011
7845800 Polarization converting element and projector provided with same Dec. 7, 2010
7841730 Light source device and crystal display device Nov. 30, 2010
7843404 Smart mirror apparatus using LCD panel Nov. 30, 2010
7839571 Color-separation optical system and imaging apparatus Nov. 23, 2010
7833593 High efficiency optical devices Nov. 16, 2010
7817176 Light source device, optical scanning device, and image forming apparatus Oct. 19, 2010
7816640 Polarization beam splitter and projection apparatus having the same Oct. 19, 2010
7808582 Illuminating apparatus wherein the plurality of polarization separating layers are disposed only to face the plurality of reflective patterns of the polarization light guide plate unit Oct. 5, 2010
7791687 Display including reflective polarizer Sep. 7, 2010
7787074 Optical sheet, backlight unit, and liquid crystal display Aug. 31, 2010
7746555 Polarizer, polarization light source and image display unit using them Jun. 29, 2010
7744987 Optical polarizing films Jun. 29, 2010
7722194 Optical element having a reflected light diffusing function and a polarization separation function and a projection display device May. 25, 2010
7717578 Multiple lamp illumination system with polarization recovery and integration May. 18, 2010
7712908 Light-transmitting film, method of forming light-transmitting film, and liquid crystal display May. 11, 2010
7690793 Illumination optical system and projection-type image display apparatus Apr. 6, 2010
7673993 Projection system using reflective polarizers Mar. 9, 2010
7672055 Substrate-guided optical devices Mar. 2, 2010
7661834 Lighting unit for producing linearly polarized light directed onto a target surface Feb. 16, 2010
7633678 Optical element, polarizing element, lighting device, and liquid crystal display Dec. 15, 2009
7633679 Polarizing turning film Dec. 15, 2009
7630134 Optical element, polarizing element, lighting device, and liquid crystal display Dec. 8, 2009
7619817 Polarization filter utilizing Brewster's angle Nov. 17, 2009
7612939 Transmissive phase plate, polarized beam splitter, and projection display Nov. 3, 2009
7573636 Systems for influencing laser beam polarization Aug. 11, 2009
7562984 Polarizing beam splitter and projection apparatus having the same Jul. 21, 2009
7564633 Catadioptric imaging system for high numerical aperture imaging with deep ultraviolet light Jul. 21, 2009
7537352 Light emitting diode illumination device capable of providing uniformly polarized light May. 26, 2009
7535639 Optical depolarizers and DGD generators based on optical delay May. 19, 2009
7532397 Optical material, optical device fabricated therefrom, and method for fabricating the same May. 12, 2009
7529024 Polarization conversion system and illumination module May. 5, 2009
7507976 Lithographic apparatus, beam delivery systems, prisms and device manufacturing method Mar. 24, 2009
7492986 Apparatus and method for optical switching with liquid crystals and birefringent wedges Feb. 17, 2009
7459204 Modified copolyesters and improved multilayer reflective films Dec. 2, 2008
7453635 Imaging material with improved contrast Nov. 18, 2008
7413317 Polarized UV exposure system Aug. 19, 2008
7379242 Polarization beam splitter and projection apparatus having the same May. 27, 2008
7369312 Thin layered micro optics polarization converter May. 6, 2008
7365906 Projection screen and projection system containing same Apr. 29, 2008
RE40251 Optical element, polarization illumination device, and projector Apr. 22, 2008
7327916 Beam Homogenizer, laser irradiation apparatus, and method of manufacturing a semiconductor device Feb. 5, 2008
7297393 Optical film Nov. 20, 2007
7262920 Optical element and manufacturing method therefor Aug. 28, 2007
7255914 Variable refractive index polymer materials Aug. 14, 2007
7256940 Multi-layer thin-film broadband beam splitter with matched group delay dispersion Aug. 14, 2007
7256936 Optical polarizing films with designed color shifts Aug. 14, 2007
7245431 Reflective polarizer assembly Jul. 17, 2007

1 2 3 4 5 6 7 8 9

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