Patents
Patents for G02B 5 - Optical elements other than lenses (93,064)
10/1990
10/23/1990US4965617 Plate for light shielding blade
10/23/1990US4965242 Method of making color filter array for liquid crystal display
10/23/1990US4965152 Holographic notch filters
10/23/1990US4965121 Solar control layered coating for glass windows
10/23/1990US4965096 Method for preparing improved lithium-silicate glare-reducing coating for a cathode-ray tube
10/23/1990US4964713 Concentrator arrangement
10/23/1990US4964698 System for selective laser assisted plating
10/23/1990US4964697 Lens barrel having circuit board with polygonal aperture
10/23/1990CA1275512C Multiple channel wavelength division multiplexer/demultiplexer
10/18/1990DE4009113A1 Polyhedral rotary mirror, esp. for laser printer - reduces air resistance during rotation, hence reduced noise, electrical power consumption
10/18/1990CA2010548A1 Mixture of yellow and magenta dyes to form a red hue for color filter array element
10/17/1990EP0392868A2 Method of producing light control plate which induces scattering of light at different angles
10/17/1990EP0392387A2 Mirror for changing the geometric shape of a light beam
10/17/1990EP0392235A1 Process for plating a metallic deposit between functional pattern lines on a substrate
10/17/1990EP0391895A1 Process for manufacturing fine-structured bodies.
10/16/1990US4964025 Nonimaging light source
10/16/1990US4963012 Silicon nitride protective diffusion barrier
10/16/1990US4963004 Optical adder for optical attenuation
10/16/1990US4962997 Three color separation using subtractive dichroic beamsplitters
10/10/1990EP0391664A1 Optical diffraction grating element, and optical pick-up device and optical scan device that respectively comprise optical diffraction grating element
10/10/1990EP0391558A1 A method of making an optical device
10/10/1990EP0391415A2 Naphthalocyanine compounds and production thereof
10/10/1990EP0391303A2 Color filter array element with polycarbonate receiving layer
10/10/1990EP0391231A2 Automotive head-up display
10/10/1990EP0391195A2 Headlamp with sloped lens including beam-spreading flutes
10/10/1990EP0390878A1 Optically anisotropic photochromic materials and applications
10/10/1990EP0390869A1 Organic photochromic pigment
10/09/1990US4962081 Multicolor mosaic pattern
10/09/1990US4961634 Cadmium sulfide and selenide waveplates, polarization
10/09/1990US4961625 Automobile head-up display system with reflective aspheric surface
10/09/1990US4961622 Optical coupler and refractive lamp
10/06/1990CA2010549A1 Color filter array element with polycarbonate receiving layer
10/04/1990DE3910520A1 Method for producing an optical filter for homogenising an inhomogeneously luminescing surface
10/03/1990EP0390610A2 Optical element and optical pickup device comprising it
10/03/1990EP0390416A2 Optical multiplexer/demultiplexer using focusing bragg reflectors
10/03/1990EP0390344A2 Retroreflective articles having light-transmissive surfaces
10/03/1990CN1009868B Selective shading device and optical device using same
10/02/1990US4960972 Light-beam-operated heating machine
10/02/1990US4960658 Sealing, agitating, transmitting, controlling spinning and developing
10/02/1990US4960538 Light, weather, thermal resistance
10/02/1990US4960325 Light protection apparatus and protective element subassembly therefor
10/02/1990US4960314 Diffraction optics diffusing screen laminate for full color on-axis viewing
10/02/1990US4960310 Broad band nonreflective neutral density filter
09/1990
09/26/1990EP0389274A2 Optical interference structures incorporating porous films
09/26/1990EP0389240A2 Polarizing beam splitter apparatus and light valve image projection system
09/26/1990EP0389123A2 A display system for multiviewer training simulators
09/26/1990EP0389114A1 Thin caliper retroreflective transfer and method for making same
09/25/1990US4959541 Method for determining aperture shape
09/25/1990US4959471 Improved migration properties in plastics, lenses
09/25/1990US4958892 Diffraction coherence filter
09/25/1990CA1274498A1 Light diffusing device
09/25/1990CA1274427A1 Photochromic plastic article and method for preparing same
09/20/1990WO1990010886A1 Anti-glare filter with improved viewing area
09/19/1990EP0387823A2 Polymers and their use
09/19/1990EP0387407A1 Diffraction grating
09/18/1990US4957898 Heat transfer system, liquid crystal display
09/18/1990US4957371 Wedge-filter spectrometer
09/18/1990US4957335 Microsphere-based retroreflective articles with enhanced retroreflective brightness
09/17/1990WO1990010881A1 Method of production and duplication of filter, and method of production of photosensitive member provided with the filter
09/16/1990CA2012220A1 Polymers and their use
09/12/1990EP0386643A2 Beam splitter
09/12/1990EP0386241A1 Light-guiding device for medical treatment
09/12/1990CN1009582B Optical false coloring method for colour-mixable image
09/11/1990US4955705 Multi-layered back reflecting mirror
09/11/1990US4955694 Process for producing HOE's for use in combination to produce a telecentric beam
09/11/1990US4955691 Optical parallel processor
09/11/1990US4955690 Thin caliper retroreflective transfer
09/11/1990CA1273985A1 Radiation-resistant color television camera for inspections in radioactive environments
09/11/1990CA1273836A1 Filter for cathode ray tube
09/11/1990CA1273835A1 Directionally imaged retroreflective sheeting
09/07/1990WO1990010174A1 Light, in particular a light for motor vehicles
09/06/1990DE3906374A1 Process for the production of panes having high transmission behaviour in the visible spectral region and high reflection behaviour for heat radiation
09/05/1990EP0385911A1 Laser drilling
09/04/1990US4955036 Semiconductor arrangement for producing a periodic refractive index distribution and/or a periodic gain distribution
09/04/1990US4953956 Apparatus for producing an effect on light passing through portions
09/04/1990US4953952 Color liquid crystal displaying panels
09/04/1990CA1273512A1 Sheet containing directional photographic images and method for making the same
08/1990
08/30/1990DE3905493A1 Locating and navigating system for land vehicles
08/29/1990EP0384555A1 Method for making infrared polarizing glasses
08/29/1990EP0384248A2 Highly active polarizers
08/29/1990EP0384117A2 Simplified multi-cavity tunable optical filter using voltage-dependent refractive index
08/29/1990EP0383932A1 Visible polarizing film
08/29/1990EP0383923A1 Polarizing isolation apparatus and optical isolator using the same
08/28/1990US4952025 Rugate filter incorporating parallel and series addition
08/28/1990US4952023 Internally illuminated retroreflective sign
08/28/1990US4952022 Fiber optic line illuminator with deformed end fibers and method of making same
08/28/1990US4952005 Adjustable mirror assembly
08/23/1990WO1990009607A1 Optical lenses and related devices
08/22/1990EP0382833A1 Powder metal mirror.
08/21/1990US4950567 Holographic optical combiners for head-up displays
08/21/1990US4950525 Elastomeric retroreflective sheeting
08/21/1990US4950057 Progressive multi-focal ophthalmic lens
08/21/1990US4950050 Optical target recognition system
08/21/1990CA1273132A1 Bulk optic echelon multiplexer
08/21/1990CA1272900A1 Edge interference filter for optical communications transmission in wavelength-division multiplex
08/16/1990EP0382684A2 Optical element for use in eyeglasses, visors, masks and screens to reduce the image perception time and improve the contour definition thereof
08/16/1990EP0382642A1 Monochromatic display device with a photoconductive electroluminescent memory
08/16/1990EP0382620A1 Ophtalmic diffractive lens for the correction of astigmatism
08/16/1990EP0185737B1 Multicolor liquid crystal light valve projection apparatus
08/16/1990DE4004010A1 Anordnung zur vermeidung von geisterbildern oder stoerenden reflexen in einem ein bild formenden optischen system Arrangement for the avoidance of ghost images or unpleasant reflections in an image forming optical system