Patents
Patents for G02B 5 - Optical elements other than lenses (93,064)
04/1993
04/13/1993US5202450 Phthalic acid derivative metal salt and shading and light-responsive plate containing the metal salt
04/13/1993CA1316028C Sunbathing filter with incomplete uv-b absorption
04/13/1993CA1316026C Method for making a smooth, uniform image of a laser diode array
04/08/1993DE4127564A1 Coloured light processor to give full colour spectrum from IR to UV light - has monochromatic colour filter with wavelength shift from 350 nm to 75 nm and output light can be conducted across glass fibre optic and can transmit cold light
04/07/1993EP0535989A1 Bezels and anti-glare filters for mounting on monitors
04/07/1993EP0535971A1 Oil dispersions of zinc oxide
04/07/1993EP0535905A1 Optical scanner apparatus
04/07/1993EP0535876A1 Car head-up displays
04/07/1993EP0535753A2 Device for spectrometry with spectral band filtering
04/07/1993CN1070737A Optical gradient filter for liquid crystal-emulsion
04/06/1993US5200859 Vision saver for computer monitor
04/06/1993US5200857 Color separation/synthetic optical system including two dichroic mirrors angled for correction of astigmatism
04/06/1993US5200855 Absorbing dichroic filters
04/06/1993US5200851 Polymeric matrix opaque to visible light, transmissive to infrared; highway markings
04/06/1993US5200844 Color head-up display system
04/06/1993US5200483 Polyol(allyl carbonate) composiitons and articles prepared there from
04/06/1993US5200262 Launderable retroreflective applique with improved retention of retroreflective elements
04/06/1993US5200116 Which experience a reversible change from colorless to orange upon exposure to sunlight
04/06/1993CA1315574C Colour change devices incorporating thin anodic films
04/01/1993WO1993006517A1 Light-beam deflecting device
04/01/1993WO1993006511A1 Information display system having transparent holographic optical element
04/01/1993WO1993006510A1 Light-beam deflecting device
04/01/1993WO1993006508A1 Optical elements and a method of producing them
04/01/1993DE4140545A1 Optical pick=up with hologram unit for use with optical CD's - has output of laser diode split into three components passed through hologram plate and focussed onto disc.
04/01/1993DE4132025A1 Lichtstrahl-ablenkvorrichtung Light beam deflection
04/01/1993CA2119895A1 Information display system having transparent holographic optical element
03/1993
03/31/1993EP0534853A1 Double refraction and total reflection solid non-imaging lens
03/31/1993EP0534821A1 High power laser with semi-conductor filter
03/31/1993EP0534795A2 Method and apparatus for producing multiple light beams in a multiple wavelength interferometer
03/31/1993EP0534711A1 Biocular eyepiece optical system employing refractive and diffractive optical elements
03/31/1993EP0534616A2 Holographic recording apparatus and holographic optical element
03/31/1993EP0534373A2 Optical pickup device
03/31/1993EP0534260A2 Method for obtaining anti-reflective surfaces
03/31/1993EP0534150A1 Protection against overexposure for a night vision apparatus
03/31/1993EP0533843A1 Tunable light source and fibre optical systems with tunable light source
03/31/1993EP0342241B1 Dye-containing polarizing film
03/30/1993US5198939 Apparatus for positioning apertures of a disk assembly
03/30/1993US5198936 Vehicle display device
03/30/1993US5198930 Wide-band half-mirror
03/30/1993US5198928 For providing the observer with a different image for each eye
03/30/1993US5198922 Specularly transmitting and diffuse reflecting optical shutter
03/30/1993US5198916 Optical pickup
03/30/1993US5198911 Holographic optical notch reflectors
03/30/1993US5198797 Heads-up display arrangement for vehicle
03/30/1993US5198262 Method of forming mirror for electromagnetic radiations of short wavelengths
03/30/1993CA1315461C Formation of superconductive ceramic oxides by chemical polymerization
03/30/1993CA1315088C Light valve containing an improved suspension and liquid therefor
03/28/1993WO1993006509A1 Light-scattering light guide and its manufacture, and applied optics apparatus thereof
03/28/1993CA2097080A1 Light scattering light guide, manufacturing method thereof, and applied optical apparatuses
03/26/1993CA2078839A1 Double refraction and total reflection solid nonimaging lens
03/25/1993DE4130977A1 Lichtstrahl-ablenkvorrichtung Light beam deflection
03/24/1993WO1993006580A1 Non-interfering color viewing system using spectral multiplexing
03/24/1993EP0533478A1 Incandescent lamps having integrally supported filaments
03/24/1993EP0533383A2 Optical scanner apparatus
03/24/1993EP0533215A1 Optical elements made from helical liquid crystal substances with reflection bands of linear polarised light, and a method for their manufacture
03/24/1993EP0532809A1 Light-polarizing material based on ethylenediamine polyacetic acid derivatives
03/24/1993EP0532760A1 Optical beam scanning apparatus, and method for manufacturing stationary hologram plate, and hologram rotor, and optical wiring apparatus
03/24/1993EP0182914B1 Color filter
03/23/1993US5196961 Wind-actuated flashing road sign
03/23/1993US5196956 Beam deflector and laser beam printer using only two inclined reflecting surfaces
03/23/1993US5196951 Reflection holograms without transmission ghosts
03/23/1993US5196926 Optical system for an lcd projector
03/23/1993CA1314739C High speed shutter for a laser beam
03/22/1993CA2077614A1 Process for producing antireflection- treated surfaces
03/19/1993CA2076078A1 Incandescent lamps having integrally supported filaments
03/18/1993WO1993005435A1 Multipurpose liquid crystal display
03/18/1993WO1993005434A1 Liquid crystal display having improved retroreflector
03/18/1993WO1993004993A1 An electrically-conductive, light-attenuating antireflection coating
03/18/1993WO1993004854A1 Flexible material having light diffracting characteristics and method of production
03/18/1993DE4130550A1 Optische elemente und verfahren zu deren herstellung Optical elements and methods for their preparation
03/18/1993CA2116435A1 Multipurpose liquid crystal display
03/18/1993CA2114215A1 Liquid crystal display having improved retroreflector
03/17/1993EP0532267A1 Re-imaging optical system employing refractive and diffractive optical elements
03/17/1993EP0531926A1 Wavelength-selective phasegrating optical low-pass filter
03/17/1993EP0531909A1 Binary computer-generated hologram by the error diffusion method
03/17/1993EP0531569A1 Manufacture of light-polarising films
03/17/1993EP0531568A1 Light polarizing films and process for preparing them
03/17/1993EP0531449A1 Gradient filter
03/17/1993CN1020134C Multifocal optical device
03/16/1993US5195159 Optical wavelength converter device
03/16/1993US5194990 Low color purity, anti-reflection coatings for transparent glazings oriented at high angles of incidence
03/16/1993US5194989 Dielectric combiner including first and second dielectric materials having indices of refraction greater than 2.0
03/16/1993US5194882 Keratographic instrument using holographic placido illuminator to reduce alignment sensitivity
03/16/1993CA1314517C Polyimide film having improved adhesive properties
03/13/1993WO1993005429A1 Optical device
03/10/1993EP0531186A1 Signalling light with electroluminescent elements, especially for motor vehicles
03/10/1993EP0531121A2 Helmet mounted display
03/10/1993EP0531120A1 Method for producing viewing angle compensator for liquid crystal display
03/10/1993EP0531106A1 Colour filter for a colour liquid crystal display apparatus
03/10/1993EP0530757A1 Polymer for optical products and process for preparation thereof
03/10/1993EP0246334B1 High-precision color filter having excellent properties and method of producing the same
03/10/1993CN1069830A 用于光电应用的均匀集聚太阳光通量的方法和装置 Sun light flux uniformly agglomeration method and apparatus for optoelectronic applications
03/09/1993US5193026 Reflective safety stripes
03/09/1993US5193025 Lenses and prisms and interference coating of dielectrics, stacks of magnesium fluoride multilayer element
03/09/1993US5193020 Method for producing compensator for liquid crystal display
03/09/1993US5193015 Cholesteric liquid crystal screen which reflects substantially all of the projected light
03/04/1993WO1993004387A1 Optically transparent photochromic plastic
03/04/1993DE4128264A1 Optical device for rotating a beam of light in a plane + - consists of an assembly of prisms rotated about an axis coincident with the incident ray.
03/03/1993EP0530106A1 Dye-containing polarizing film
03/03/1993EP0529963A2 Crystal growth process for large area GaAs and infrared window/dome made therefrom