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Browse by Category: Main > Optical & Optics
Class Information
Number: 359/743
Name: Optical: systems and elements > Lens > With multipart element > Echelon (e.g., fresnel lens, etc.) > Having curvilinear lens
Description: Subject matter wherein the general shape of the lens surface is concave or convex on either side or on both sides.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8659840 Optical element, display apparatus, display method, and moving body Feb. 25, 2014
8654456 Photographic optical system and image pickup apparatus including the photographic optical system Feb. 18, 2014
8537475 Composite optical element Sep. 17, 2013
8427762 Optical system and optical apparatus including the optical system Apr. 23, 2013
8351125 Directional light distributed optical element and directional light distributed optical assembly Jan. 8, 2013
8248712 Light ray concentration device Aug. 21, 2012
8210677 Patch for modification of the power of an optical component Jul. 3, 2012
8186838 Optical lens May. 29, 2012
8149510 Diffractive optical element and method of making the same Apr. 3, 2012
8111470 Composite lens and method for manufacturing the same Feb. 7, 2012
8068288 Thin stepped tulip lens Nov. 29, 2011
8040617 Real image display device with wide viewing angle Oct. 18, 2011
8002482 Transparent screen, projection display device, and method of receiving control signal light Aug. 23, 2011
8000018 Kohler concentrator Aug. 16, 2011
7990613 Depth enhancing screen Aug. 2, 2011
7976201 Lens body equipped with a light emitting device capable of generating two-side illumination Jul. 12, 2011
7920339 Method and apparatus providing singlet wafer lens system with field flattener Apr. 5, 2011
7880152 Device and method for producing resist profiled elements Feb. 1, 2011
7826152 Composite optical device Nov. 2, 2010
7817909 Optical device and light source Oct. 19, 2010
7800840 Convex-fresnel LED lens and LED assembly thereof Sep. 21, 2010
7800841 Optical object distance simulation device for reducing total optical path Sep. 21, 2010
7794127 Light emitting diode having grooves to modulate light emission thereof Sep. 14, 2010
RE41455 Objective lens for optical disks having different thicknesses Jul. 27, 2010
7746570 Fresnel optical element and projection display apparatus Jun. 29, 2010
7729050 Diffusion sheet, rear projection screen provided with diffusion sheet, method of manufacturing mold for diffusion sheet, and method of manufacturing diffusion sheet Jun. 1, 2010
7724439 Lens, a lens array and imaging device and system having a lens, and method of forming the same May. 25, 2010
7701648 Fresnel lens Apr. 20, 2010
7688507 Diffusion sheet, rear projection screen provided with diffusion sheet, method of manufacturing mold for diffusion sheet, and method of manufacturing diffusion sheet Mar. 30, 2010
7688508 Diffusion sheet, rear projection screen provided with diffusion sheet, method of manufacturing mold for diffusion sheet, and method of manufacturing diffusion sheet Mar. 30, 2010
7672527 Method and apparatus for chromatic correction of Fresnel lenses Mar. 2, 2010
7633684 Lens for light emitting diodes mounted on a heat sink Dec. 15, 2009
7618161 Fresnel lens and lighting apparatus provided with the Fresnel lens Nov. 17, 2009
7583437 Projection screen with virtual compound curvature Sep. 1, 2009
7546709 Tubular skylight dome with variable prism Jun. 16, 2009
7498558 Scintillation hardened semi-active laser sensor Mar. 3, 2009
7492534 Imaging optical system including optical element having discontinuous plane Feb. 17, 2009
7474463 Diffusion sheet, rear projection screen provided with diffusion sheet, method of manufacturing mold for diffusion sheet, and method of manufacturing diffusion sheet Jan. 6, 2009
7474477 Imaging lens for infrared cameras Jan. 6, 2009
7453639 Diffusion sheet, rear projection screen provided with diffusion sheet, method of manufacturing mold for diffusion sheet, and method of manufacturing diffusion sheet Nov. 18, 2008
7403334 Optical member and process of producing the same Jul. 22, 2008
7365918 Fast x-ray lenses and fabrication method therefor Apr. 29, 2008
7309149 Prism sheet, backlight assembly and liquid crystal display device having the same Dec. 18, 2007
7251084 Fresnel lens and an illuminating device provided with the Fresnel lens Jul. 31, 2007
7224539 Providing optical systems having improved properties to users of catalog (stock) lenses May. 29, 2007
7212348 Compact zoom lens system May. 1, 2007
7212340 Forming methods, forming devices for articles having a micro-sized shape and optical elements May. 1, 2007
7201503 Vehicular lamp including hemispherical translucent member with fan-shaped zones and lens elements Apr. 10, 2007
7187505 Imaging lens for infrared cameras Mar. 6, 2007
7170682 Projection aligner, aberration estimating mask pattern, aberration quantity estimating method, aberration eliminating filter and semiconductor manufacturing method Jan. 30, 2007

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