Patents
Patents for G02B 3 - Simple or compound lenses (21,564)
02/2000
02/29/2000US6031668 Optical imaging system
02/29/2000US6031591 Liquid-crystal display device
02/29/2000US6031179 Color-mixing lens for solar concentrator system and methods of manufacture and operation thereof
02/29/2000US6030082 Illumination optical system and projector apparatus using the same
02/29/2000CA2152314C Method and apparatus for hemisperic imaging
02/23/2000EP0981168A2 Semiconductor micro-optical components and method for producing them
02/22/2000US6027672 Spray depositing a layer of a monomer having a first index of refraction, on a substrate, and confining the substrate with a controlled inert gas, partially polymerizing at semi solid state, repeating the above steps to form a blank
02/17/2000WO2000008516A1 Multifocal aspheric lens
02/17/2000WO2000007793A1 Method of manufacturing sheet-shaped plastic product with surface projections
02/17/2000WO2000007661A2 Radiation treatment apparatus particularly useful in treating for impotence
02/17/2000DE19825950C1 Anordnung zur dreidimensionalen Darstellung Arrangement for three-dimensional representation
02/17/2000CA2337025A1 Radiation treatment apparatus particularly useful in treating for impotence
02/09/2000EP0978751A2 Progressive addition lenses
02/08/2000US6023380 Two piece curved projection lens method and apparatus
02/08/2000US6023369 Reflection screen and front projection system
02/08/2000US6023313 Liquid crystal display panel manufacturing method
02/03/2000WO2000005604A1 Radiant energy concentrator
02/03/2000WO2000005343A2 Cell expansion system for use in neural transplantation
02/03/2000DE19834521A1 Verfahren zur Herstellung einer Flächenlinse auf katadioptrischer Basis sowie nach diesem Verfahren hergestellte Flächenlinse A method for preparing a lens surface on the base, and catadioptric Fresnel lens prepared by this method
02/02/2000EP0977059A2 Method for manufacturing a catadioptric flat lens and flat lens manufactured using this method
02/02/2000EP0976530A2 Mold for forming a microlens and method of fabricating the same
02/02/2000EP0975996A1 Device for making grid structures in optical fibers
02/02/2000EP0975993A4 Refractive index gradient lens
02/02/2000EP0975993A1 Refractive index gradient lens
02/01/2000US6021003 Optical device
02/01/2000US6020681 High-definition cathode-ray tube and manufacturing method thereof
01/2000
01/27/2000WO2000004409A1 Refractive index distribution type optical element and refractive index distribution type rod lens array
01/27/2000WO2000004360A1 Method for determining quality of lenticular sheet
01/26/2000EP0974077A2 Methods of forming optical rods including three-dimensional patterns on end faces thereof
01/26/2000EP0973636A1 Transparent article with radial refractive index gradient and process for its manufacture
01/25/2000US6018603 Optical demultiplexing/multiplexing device having a wavelength dependent element
01/25/2000US6018422 Three-dimensional microstructures and methods for making three-dimensional microstructures
01/25/2000US6017581 Using fixture for releasably retaining at least one lenticular article in a fixed orientation while the article is being subjected to one or more applications of a thin film coating process
01/25/2000US6017121 Multifocal artificial ocular lens with a transparency varying with illumination
01/20/2000WO2000003273A1 Luminous intensity distribution control device and display having the same
01/20/2000CA2378827A1 Projection system
01/19/2000CN1048570C Light Picking apparatus
01/12/2000EP0971222A1 Lens specifying device
01/12/2000EP0971166A2 Motor-vehicle light having segmented fresnel lenses
01/11/2000US6014395 Oxidizable semiconductor device having cavities which allow for improved oxidation of the semiconductor device
01/11/2000US6014260 Optical device for homogenizing a laser beam
01/11/2000US6014259 Three dimensional imaging system
01/04/2000US6011929 Flash apparatus capable of varying emission angle
01/04/2000US6011888 Gradient index lens array assembly comprising a plurality of lens arrays optically coupled in a lengthwise direction
01/04/2000US6010787 Thermal interdiffusion
01/04/2000US6010647 Injecting into mold material with different refractive index
01/04/2000US6010292 Method for fabricating a compliant image carrying printed insert
01/04/2000US6010218 Decentered noncorrective lens for eyewear
01/04/2000US6010217 Optically corrected shield for safety helmet
12/1999
12/29/1999EP0967509A2 A multifocal lens
12/28/1999US6008957 Optical lens and method of making the same
12/28/1999US6008955 Optical lens
12/28/1999CA2166339C Refractive ellipsoid optical surface without spherical aberration
12/23/1999WO1999066356A1 Three-dimensional representation system
12/22/1999EP0965862A2 Planar microlens array and method of manufacturing same
12/16/1999CA2274362A1 Optical element having a fresnel surface and use for image projection
12/15/1999EP0963570A1 Rear projection screen
12/15/1999EP0963353A1 Process and device for manufacturing networks of microlenses
12/15/1999CN1047445C Beam-shaping optical element and radiation source unit and scanning unit including said element
12/14/1999US6002524 Flexible lens
12/14/1999US6001540 Multilayer; silica on substrate, polysilicon, silicon nitride; patterning and etching
12/09/1999WO1999063390A1 A fresnel magnifying lens card holder
12/09/1999WO1999063367A1 Dispersing optical prism elements with graded index of refraction
12/09/1999WO1999050596A3 Illumination device for generating non-symmetric light beam, optical lens array and optical lens
12/08/1999EP0962921A2 Optical pickup apparatus
12/08/1999CN1237759A Optical pickup device
12/07/1999US5999336 Fresnel magnifying lens cardholder
12/07/1999US5999328 Liquid-filled variable focus lens with band actuator
12/07/1999US5999327 Objective lens system
12/07/1999US5999325 Optical device and method of manufacturing the same
12/07/1999US5999239 Method for making a polarization-sensitive optical element
12/07/1999US5998096 Process for producing polymerization or crosslinking rate-distributed article and process for producing lens, lens array or waveguide using the process
12/07/1999US5997709 Method of providing diffuse risers on a fresnel lens die
12/07/1999US5997140 Biocompatible holography
12/07/1999US5997139 Polarizing lens for sunglasses, method and apparatus for producing said lens
12/07/1999US5996376 Methods of forming optical rods including three-dimensional patterns on end faces thereof
12/02/1999WO1999061940A1 Field-customizable variable focal length lens
12/02/1999WO1999061226A1 Process for manufacturing cylindrical microlenses
12/02/1999WO1999052647B1 Non-planar micro-optical structures
12/01/1999EP0961138A1 Polariser and liquid crystal display element
12/01/1999CN1237248A Improvements in or relating to variable focus lenses
11/1999
11/30/1999US5995295 Lens system
11/30/1999US5995294 Gradient index lens reflector
11/30/1999US5994248 Optical lenses and processes of manufacture
11/30/1999US5992179 Process for manufacturing grin lenses
11/25/1999WO1999060429A1 Precision double-sided aspheric element
11/25/1999WO1999060311A1 Modulated liquid lens without spherical aberration having means for absorbing the solar energy condenser and provided with a heat plate for the absorption of high temperatures
11/25/1999WO1999059820A1 Thin sheet lenticular lens material printing process
11/25/1999CA2297099A1 Thin sheet lenticular lens material printing process
11/24/1999EP0871917A4 Three-dimensional imaging system
11/23/1999US5991098 Lens structure without spherical aberration and stereoscopic camera including such lens structure
11/23/1999US5991082 Lens system with multiple focal lines
11/23/1999US5990992 Image display device with plural planar microlens arrays
11/23/1999US5987924 Lens mold and method of manufacturing a lens
11/18/1999WO1999059020A1 Crt display systems
11/18/1999WO1999059004A1 Microlens array plate, manufacture thereof, and display device
11/18/1999DE19822053A1 Fresnel lens arrangement for passive infrared movement detector
11/17/1999EP0957386A1 3-D Imaging system
11/17/1999EP0957385A1 3-D imaging system
11/17/1999EP0956513A1 Lens arrangements