Patents for G02F 1 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics (257,845)
12/1993
12/21/1993US5272553 Projection type liquid crystal display device with twisted nematic liquid crystal layers
12/21/1993US5272552 Optical modulation device and method using modulation layer of helical polymer liquid crystal having a helical chiral smectic C phase
12/21/1993US5272551 Optical system for the reproduction of color video images
12/21/1993US5272496 Image projector with optimized luminous efficiency
12/21/1993US5272472 Apparatus for addressing data storage elements with an ionizable gas excited by an AC energy source
12/21/1993US5272360 Thin film transistor having enhance stability in electrical characteristics
12/21/1993US5272332 Laser discrimination device
12/21/1993US5272218 Polymeric compositions for nonlinear optics
12/21/1993US5272002 Transparent optical article exhibiting high second order polarization susceptibility and low transmission attenuation
12/21/1993US5271864 Ferroelectric liquid crystal compounds with cyclohexenyl cores and compositions containing them
12/21/1993CA1325469C Enhanced backscattering and light transmission in a quest host display
12/20/1993CA2097140A1 Polarization-independent optical isolator
12/16/1993DE4219439A1 Nichtlinear-optische Mischungen Non-linear optical compounds
12/15/1993EP0574269A1 Projecting type color image display device
12/15/1993EP0574186A1 Thin film transistor and active matrix liquid crystal display device
12/15/1993EP0574142A1 Driver circuit for dot matrix display apparatus
12/15/1993EP0574137A1 Semiconductor device
12/15/1993EP0573989A2 Driving method for spatial light modulator
12/15/1993EP0573925A1 Color switching apparatus for liquid crystal light valve projector
12/15/1993EP0573905A1 Retroreflecting polarizer for presentation systems
12/15/1993EP0573878A1 3-fluoropyridines, process for their preparation and their use in liquid crystal mixtures
12/15/1993EP0573821A1 Display control apparatus and method therefor
12/15/1993EP0573738A2 Method for crystal growth of beta barium borate
12/15/1993EP0573737A2 An optical device using a cerium-doped KTP crystal
12/15/1993EP0573712A1 Method of manufacturing wavelength conversion device
12/15/1993EP0524303A4 Eye protection device for welding helmets and the like
12/15/1993EP0424425B1 Ferroelectric, liquid crystal polymers, process for producing the same and their use in electro-optic components
12/15/1993CN1023168C Wide-band ultra-short pulse laser system
12/15/1993CN1023167C Wide-band turning ultra-short pulse laser system
12/14/1993US5271024 Optical fiber amplifier and laser with flattened gain slope
12/14/1993US5270853 Method and apparatus for imaging an object in or through a scattering medium by using multiple-wave mixing
12/14/1993US5270852 Optical shutter-camera
12/14/1993US5270848 Liquid crystal ITO connector having a metal layer
12/14/1993US5270847 Liquid crystal display panel assembly with resilient display panel support
12/14/1993US5270846 Ferroelectric liquid crystal device having plural inorganic insulating layers
12/14/1993US5270845 Liquid crystal display unit manufacturing method including forming one of two gate line layers of display electrode material
12/14/1993US5270844 Liquid crystal optical element with minute insulation portions on the electrodes
12/14/1993US5270843 Directly formed polymer dispersed liquid crystal light shutter displays
12/14/1993US5270804 Color display system utilizing optical valves
12/14/1993US5270697 Display apparatus
12/14/1993US5270696 LCD driver circuit
12/14/1993US5270693 Enlarged area addressable matrix
12/14/1993US5269964 Liquid crystal composition, liquid crystal device, display apparatus and display method
12/14/1993US5269868 Method for separating bonded substrates, in particular disassembling a liquid crystal display device
12/14/1993US5269351 Process for producing liquid crystal panel
12/14/1993CA1325295C Bulk optic wavelength division multiplexer
12/14/1993CA1325121C Optical wave guides
12/12/1993CA2071055A1 Projection tv system
12/11/1993CA2093864A1 Autostereoscopic display
12/09/1993WO1993025014A1 An optical isolator and an optical telecommunications system
12/09/1993WO1993024859A1 Optically non-linear materials
12/09/1993WO1993024858A1 Liquid crystal lens circuit
12/09/1993WO1993024807A1 Configuration control of mode coupling errors
12/09/1993WO1993024679A2 Single cesium titanyl arsenate-type crystals, and their preparation
12/09/1993WO1993024589A2 Electrooptical liquid crystal system
12/09/1993WO1993024240A1 Light influencing element for high resolution optical systems and method of making same
12/09/1993DE4218766A1 Polyanile Polyanile
12/09/1993DE4218206A1 Decorative wall hanging or jewellery with electrically operated display - use pulse or triangular wave modulated battery voltage applied to backlit liq. crystal behind non-uniform birefringent plate and polariser
12/08/1993EP0573278A2 Method of making compensator for liquid crystal display
12/08/1993EP0573268A2 Liquid crystal display
12/08/1993EP0573258A1 Liquid crystal display device
12/08/1993EP0573051A1 Back lighting device
12/08/1993EP0573045A2 Liquid crystal display device having photosensor
12/08/1993EP0573041A1 Nonlinear optical material, method of manufacturing the same, and wavelength converter
12/08/1993EP0573005A2 Birefringent film and liquid crystal display having the same
12/08/1993EP0572996A2 Light valve apparatus and display system using the same
12/08/1993EP0572960A1 Modulation system and method with third order intermodulation distortion reduction
12/08/1993EP0572898A2 Polymers containing methine or azamethine dyes
12/08/1993EP0572672A1 Process for manufacturing multicolor display
12/08/1993EP0391986B1 Display element based on the electroclinic effect
12/08/1993EP0381728B1 Difluoromethyl compounds
12/08/1993EP0327627B1 Apparatus and method for driving a ferroelectric liquid crystal device
12/07/1993USRE34469 Solid state electrochromic light modulator
12/07/1993US5268912 Harmonic light source capable of being optically modulated and optical information processing apparatus employing the same
12/07/1993US5268911 X-cut crystal quartz acousto-optic modulator
12/07/1993US5268862 Three-dimensional optical memory
12/07/1993US5268783 Liquid crystal device including a polymer having a surface energy of at most 25 dyn/cm, display apparatus using same and display method using same
12/07/1993US5268782 Micro-ridged, polymeric liquid crystal display substrate and display device
12/07/1993US5268781 Liquid crystal display device with homeotropic alignment layer undercoat formed by ion beam assisted vapor deposition of oxide gas
12/07/1993US5268780 Liquid crystal device having a polyimide alignment film substituted with fluorine or a fluorine-containing group
12/07/1993US5268779 Spatial light modulator with composite film formed by vapor deposition of light blocking semiconductor material and insulation material
12/07/1993US5268778 Liquid crystal display with one light shield between color filters and second light shield between filter elements
12/07/1993US5268777 Driving method of active matrix display having ferroelectric layer as active layer
12/07/1993US5268776 System for partially erasing thermally written liquid crystal element
12/07/1993US5268679 Optical data processing device
12/07/1993US5268678 Matrix-type display device
12/07/1993US5268638 Method for particle beam testing of substrates for liquid crystal displays "LCD"
12/07/1993US5268252 Polyol with o-naphthoquinone-2-diazide-4-sulfonic acid
12/07/1993US5268208 Plasma enhanced chemical vapor deposition of oxide film stack
12/07/1993US5268123 Structure containing thiophene and benzene rings
12/07/1993CA2007829C Semiconductor device including cascaded modulation-doped quantum well heterostructures
12/07/1993CA1324905C Liquid crystal motion picture projector with memory
12/07/1993CA1324902C System and method for photorefractive holographic recording and signal processing
12/07/1993CA1324896C Primary and secondary optical sensor device
12/02/1993DE4318028A1 Liquid crystal flat screen display - has ring formed around display point electrodes to form display point stages.
12/02/1993DE4239149A1 Plasma addressed liquid crystal display panel e.g for HDTV - has front phase and back plate enclosing liquid crystal section with plasma space filled with discharge gas.
12/01/1993EP0572292A1 Colour beamsplitter and image projector using the same
12/01/1993EP0572250A1 Liquid crystal display driving system
12/01/1993EP0572201A1 A high average power laser which generates radiation at a wavelength near 530 NM
12/01/1993EP0572182A1 Display unit with integral optical input apparatus