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Browse by Category: Main > Optical & Optics
Class Information
Number: 362/337
Name: Illumination > Light modifier > Refractor > Curved lens type > Including diverse refracting elements on one surface > Prismatic type
Description: Subject matter wherein at least one of the refracting elements is comprised of at least two straight lines joined at an angle.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8690395 Efficient light emitting device and method for manufacturing such a device Apr. 8, 2014
8668371 Light redirecting films having a pattern of dome-shaped optical elements Mar. 11, 2014
8633641 Side illumination lens for LED Jan. 21, 2014
8628221 Lamp Jan. 14, 2014
8622585 Lighting device with multiple light sources and primary and secondary optics Jan. 7, 2014
8602621 Optical element and light source comprising the same Dec. 10, 2013
8596818 Optical member and display device having the same Dec. 3, 2013
8545060 High intensity replaceable light emitting diode module and array Oct. 1, 2013
8491125 Lighting device and projection type display apparatus including the same Jul. 23, 2013
8403539 Light guide for improving device lighting Mar. 26, 2013
8398274 Light redirecting films including intersecting optical elements with flat and curved surfaces Mar. 19, 2013
8348473 Illumination optical system Jan. 8, 2013
8317368 Light redirecting films including intersecting optical elements with flat and curved surfaces Nov. 27, 2012
8313218 Gap member, lens and lighting device having the same Nov. 20, 2012
8303141 Total internal reflection lens with integrated lamp cover Nov. 6, 2012
8297802 Optical film having linear protrusions with inwardly curved ridges and back light module with the optical film Oct. 30, 2012
8186838 Optical lens May. 29, 2012
8167462 Illumination lens and illumination unit including the same May. 1, 2012
8134780 Prism and lighting device Mar. 13, 2012
8128260 Spread lens with refraction parts, and lighting device Mar. 6, 2012
8079734 Lighting device Dec. 20, 2011
8068288 Thin stepped tulip lens Nov. 29, 2011
7972041 Light emitting diode package and light guide pipe and backlight module and liquid crystal display device using the same Jul. 5, 2011
7866855 Luminaire reflector having improved prism transition Jan. 11, 2011
7841749 Optical member, backlight assembly having the same and liquid crystal display device having the same Nov. 30, 2010
7837359 Lens system for LED lights Nov. 23, 2010
7815346 Method for calculating out an optimum arrangement pitch between each two LED chip package units Oct. 19, 2010
7800709 Prism sheet and liquid crystal display device using the same Sep. 21, 2010
7784958 Lens sheet, optical sheet, and backlight unit and display apparatus provided therewith Aug. 31, 2010
7771074 Device and method for projecting a marking onto a boundary Aug. 10, 2010
7766515 Light source with non-imaging optical distribution apparatus Aug. 3, 2010
7744235 Lighting device and light control member used therefor and image display device using the lighting device and the light control member Jun. 29, 2010
7731366 Stress birefringence compensation in polarizing beamsplitters and systems using same Jun. 8, 2010
7719632 Liquid crystal display device May. 18, 2010
7712932 Light redirecting films having optical elements with curved surfaces May. 11, 2010
7712930 Module for projecting a light beam May. 11, 2010
7699503 Light control film and backlight unit using the same Apr. 20, 2010
7677769 Displaying assembly for portable electronic device Mar. 16, 2010
7659552 Optical lens and light emitting device using the same Feb. 9, 2010
7654719 Optical plate and backlight module using the same Feb. 2, 2010
7645054 Illuminating unit comprising an optical element Jan. 12, 2010
7637645 Prism sheet and backlight module using the same Dec. 29, 2009
7637647 Back light module Dec. 29, 2009
7635193 Optical plate and backlight module using the same Dec. 22, 2009
7632003 Back light unit Dec. 15, 2009
7618161 Fresnel lens and lighting apparatus provided with the Fresnel lens Nov. 17, 2009
7616849 Illuminating devices including uniform light distribution, multiple light sources, and multiple types of light sources Nov. 10, 2009
7600894 Luminaires and optics for control and distribution of multiple quasi point source light sources such as LEDs Oct. 13, 2009
7575344 Lamp fixture Aug. 18, 2009
7576810 Prism sheet and liquid crystal display device using the same Aug. 18, 2009

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