Patents
Patents for G02B 3 - Simple or compound lenses (21,564)
04/1999
04/29/1999WO1999021032A1 Discrete condenser lens
04/29/1999WO1999020455A2 Single mould alignment
04/29/1999CA2304957A1 Single mould alignment
04/28/1999EP0911671A1 Multifocal ophthalmic lens
04/28/1999EP0911670A1 Multifocal ophthalmic lens
04/28/1999EP0911654A1 Lenticular lens sheet and process for producing the same
04/28/1999EP0911360A1 Glass-filled clear plastic for fabrication of optical lenses by injection molding
04/28/1999EP0911144A2 Stamper for use in forming planar micro-lens array and method of forming thereof
04/28/1999CN1215175A Series step type solar energy refraction light-collecting lens
04/28/1999CN1215172A Lenticular lens sheet and process for producing the same
04/27/1999US5897329 Epitaxial growth of oxidizible and nonoxidizible layers; moification of oxidizing layer forming barrier to control lateral extent of oxidation
04/21/1999EP0677230B1 Colour display device and method for producing same
04/21/1999CN1214773A Optical components with graded-index structure and method of manufacturing such components
04/15/1999WO1999018456A1 Lens with variable focus
04/14/1999EP0908745A1 Polarizer, optical element, lighting device and liquid crystal display
04/14/1999EP0907889A1 Light-controlled electrokinetic assembly of particles near surfaces
04/14/1999EP0745228B1 Dual grooved fresnel lens for overhead projection
04/14/1999EP0515697B1 Lens forming composition, fresnel lens prepared therefrom, and transmission screen
04/08/1999WO1999017138A1 Flexible lens
04/08/1999WO1999016610A1 Method of making a flexible lens
04/06/1999US5892625 Fluid image transmitting optical system for endoscopes
04/06/1999US5892491 Image forming device and touch-less display switch
04/06/1999US5890795 Optical means for annular illumination of a spot
04/01/1999WO1999015926A1 Optical system for injecting laser radiation into an optical fibre and method for making same
04/01/1999WO1999015919A1 Variable surface relief kinoform optical element
04/01/1999WO1999015918A1 Lenticular lens sheet, method of manufacturing the same, and transmission type screen
04/01/1999WO1998054804A9 Precision tunable optical filter
04/01/1999CA2303885A1 Optical system for injecting laser radiation into an optical conductor, and a method for its production
03/1999
03/31/1999EP0905542A2 Projection-type liquid crystal display apparatus
03/31/1999EP0905537A1 Cylindrical lens and optical scanning device using the lens
03/31/1999EP0905439A2 Optical signal indicator with multiple light sources
03/31/1999EP0904578A1 Beam shaping system with surface treated lens
03/31/1999CN1212768A Three-dimensional etching process
03/30/1999US5888841 Method of making an electro-optical device with integral lens
03/24/1999EP0903617A2 A camera flash unit including a condenser lens element with a tir surface
03/24/1999EP0903217A2 Cast-molding material for plastic lens and process for the production of plastic lens
03/24/1999CN1212060A Projection display and illuminating optical system therefor
03/24/1999CN1211742A Foldable portable spectacles
03/24/1999CN1211594A Cast-molding material for plastic lens and process for production of plastic lens
03/23/1999US5886834 Passive scene base calibration system
03/23/1999US5886821 Lens assembly for miniature motion sensor
03/23/1999US5886760 Microlens-array, production method thereof, and liquid crystal display device using the same
03/23/1999US5886332 Beam shaping system with surface treated lens and methods for making same
03/18/1999WO1999013372A1 Variable-geometry liquid-filled lens apparatus and method for controlling the energy distribution of a light beam
03/18/1999WO1999013362A1 Lenticular lens sheet and transmission type screen using the same
03/18/1999WO1999013361A1 Progressive, multifocal ophthalmic lens having constant geometry and variable refraction index
03/18/1999DE19737107A1 Optische Anordnung bestehend aus mindestens zwei Fresnellinsen und deren Verwendung Optical arrangement comprising at least two Fresnel lenses and the use thereof
03/17/1999EP0902316A2 Lenticular lens sheet for rear projection screen
03/17/1999EP0901643A1 Method of providing diffuse risers on a fresnel lens die
03/16/1999US5883744 Chromatic aberration correcting element and its application
03/16/1999US5882699 Vehicular lighting unit apparatus
03/11/1999WO1999012071A1 Ophthalmic lens synthesized from its specifications
03/11/1999CA2304764A1 Ophthalmic lens synthesized from its specifications
03/10/1999EP0900395A1 Method for correcting a lens optical aberration
03/10/1999EP0868743A4 Conductive element with lateral oxidation barrier
03/10/1999EP0682793A4 Optical symbol (bar code) reading systems and devices.
03/09/1999US5881085 Aluminum-containing oxide-formed intracavity lens in which optical aberrations and scattering are reduced
03/09/1999US5880893 Objective lens and recording/reproducing apparatus
03/04/1999WO1999010775A1 System for controlling light including a micromachined foucault shutter array and a method of manufacturing the same
03/04/1999WO1999010760A1 Optical arrangement consisting of at least two fresnel lenses and the use thereof
03/04/1999WO1998047045A3 Methods of forming optical rods including three-dimensional patterns on end faces thereof
03/03/1999EP0899547A1 A lens for a light detector
03/03/1999CN1209882A Multi-prism image enhancing lens system and method of making same
03/02/1999US5877499 Composite fresnel lens having array of lens segments providing long narrow detection range
03/02/1999US5877492 Contact type image sensor comprising a plurality of microlenses
03/02/1999US5876642 Process for making a mold for the manufacture of microlenses
02/1999
02/25/1999WO1999009349A1 Bireflective lens element
02/24/1999EP0898181A2 Rod lens array and life-size imaging optical apparatus using the same
02/23/1999US5875058 Optical assembly
02/19/1999CA2213327A1 Improvements in microlens fabrication
02/16/1999US5871888 Crystallization of a transparent layer on a substrate
02/16/1999US5871653 Methods of manufacturing micro-lens array substrates for implementation in flat panel display
02/16/1999CA2098903C Optical fiber functional device
02/10/1999EP0896244A1 Rear projection type image display device
02/09/1999US5870233 Process for manufacture of fresnel lenses
02/09/1999US5870229 Gradient index lens component and image pickup apparatus using the gradient index lens component
02/04/1999DE19830120A1 Optoelectronic sensor to detect precipitation on external surface of glass pane
02/04/1999DE19733580A1 New lead-free optical heavy crown or double-heavy crown glass
02/03/1999EP0760107B1 Opto-electronic component
02/03/1999CN1041965C Lens units for projecting
02/02/1999US5867327 Process for manufacturing cylindrical microlenses
02/02/1999US5867321 Planar microlens array and method of making same
02/02/1999US5867315 Crystal optic lens and an optical system for an optical pickup device
02/02/1999US5867307 Blur film assembly for infrared optical applications
02/02/1999US5867287 Head up display with a lens decentered to the optical axis of the illumination
02/02/1999US5865867 Process for producing gradient index optical element
01/1999
01/27/1999EP0893915A2 Compact image sensor with display integrally attached
01/27/1999CN2305685Y Micro ripple surface super thin magnifier
01/27/1999CN2305684Y Dioptric lens
01/27/1999CN1206474A Projection display and illuminating optical system therefor
01/26/1999US5864381 Automated pupil remapping with binary optics
01/26/1999US5864380 Progressive power lens
01/26/1999US5864128 Method for scanning a bar code target
01/26/1999US5863993 Preparation method of polymeric rod and gradient-index rod lens using free radical bulk polymerization with temperature gradient
01/26/1999CA2067021C Powerless field-corrective lens
01/21/1999WO1998047038A3 Method for forming an image with a large effective field of view using a small optical element, and a corresponding device
01/20/1999EP0892287A2 Enhanced light collection efficiency sensor with microlens array
01/20/1999EP0891565A1 Optical components with a graded-index structure, and method of manufacturing such components
01/20/1999EP0746719A4 Electronic wide angle lighting device
01/20/1999CN2304920Y Vision aids