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Browse by Category: Main > Optical & Optics
Class Information
Number: 362/331
Name: Illumination > Light modifier > Refractor > Plural serial refractors
Description: Subject matter wherein there is more than one refractor and the refractors are so located with respect to each other that light ray from a source passing through one refractor will also pass through another refractor.










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

Patent Number Title Of Patent Date Issued
8662709 LED illuminator with improved beam quality Mar. 4, 2014
8662721 Aircraft external lighting system and method Mar. 4, 2014
8657467 Illumination apparatus Feb. 25, 2014
8622581 Light guiding pole and illumination assembly using same Jan. 7, 2014
8613533 Optical sheet and light emitting device package having the same Dec. 24, 2013
8608350 Lighting device Dec. 17, 2013
8596818 Optical member and display device having the same Dec. 3, 2013
8459853 Light source apparatus having light distribution correction optical element and endoscope system including such apparatus Jun. 11, 2013
8425104 Backlight assembly and display apparatus having the same Apr. 23, 2013
8422094 Illumination device Apr. 16, 2013
8408754 Variable illumination apparatus Apr. 2, 2013
8376591 Lens slide for an automated luminaire Feb. 19, 2013
8294847 Optical unit, backlight device, liquid crystal module and liquid crystal display apparatus Oct. 23, 2012
8292473 Light-emitting panel having cavities for coupling out light Oct. 23, 2012
8292466 Lens for light emitting diode Oct. 23, 2012
8282245 Stage lighting methods and apparatus Oct. 9, 2012
8262272 Optical lens and illuminating device incorporating the same Sep. 11, 2012
8262271 Display Sep. 11, 2012
8262252 Illumination system Sep. 11, 2012
8246200 Illumination device Aug. 21, 2012
8246210 Lighting device with adjustable light beam, particularly for a flashlight Aug. 21, 2012
8246231 Backlight module Aug. 21, 2012
8231249 Lighting system Jul. 31, 2012
8226256 Display unit Jul. 24, 2012
8172428 Optical system with non-circular aperture May. 8, 2012
8167464 Backlight module and light emitting diode thereof May. 1, 2012
8162513 Illumination device with anti-glare plate Apr. 24, 2012
8147095 Light source Apr. 3, 2012
8123384 Optical elements with internal optical features and methods of fabricating same Feb. 28, 2012
8118470 Light guide plate and backlight module using the same Feb. 21, 2012
8096693 Light guide plate and backlight unit Jan. 17, 2012
8089374 LED signal light Jan. 3, 2012
8079734 Lighting device Dec. 20, 2011
8070329 Light emitting optical systems and assemblies and systems incorporating the same Dec. 6, 2011
8061857 LED light shaping device and illumination system Nov. 22, 2011
8061873 Multiple focus point light Nov. 22, 2011
8057068 Artificial light source generator Nov. 15, 2011
8047684 LED illuminator with improved beam quality Nov. 1, 2011
8047699 Optical lens and illuminating device incorporating the same Nov. 1, 2011
8029160 Illumination device having bi-convex lens assembly and coaxial concave reflector Oct. 4, 2011
8029157 Light refraction illumination device Oct. 4, 2011
8016439 Solar simulator Sep. 13, 2011
8016445 Planar light emitting element, image display element, and image display device using the same Sep. 13, 2011
8016459 Illuminating device incorporating optical lens Sep. 13, 2011
8007134 Diffused light projector Aug. 30, 2011
8007118 Direct-lit backlight with angle-dependent birefringent diffuser Aug. 30, 2011
8002439 Stage projector Aug. 23, 2011
7988340 Prism sheet and backlight module Aug. 2, 2011
7988334 Illuminating device with adjustable illumination range Aug. 2, 2011
7988328 Optical lens and illuminating device incorporating the same Aug. 2, 2011

1 2 3 4 5 6 7 8 9










 
 
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