Patents
Sitemap › G02 - Optics › G02F - Devices or arrangements, the optical operation of which is modified by changing the optical properties of the medium of the devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light, e.g. switching, gating, modulating or demodulating; Techniques or procedures for the operation thereof; Frequency-changing; Non-linear optics; Optical logic elements; Optical analogue/digital converters › 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
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)
08/1992
08/25/1992US5141670 Ferroelectric liquid crystal composition
08/25/1992US5141668 Naphthalene compound and liquid crystal composition containing the same
08/25/1992US5141036 Method of filling a liquid crystal device with introduction of liquid crystal by increasing pressure
08/25/1992CA1306793C Fluorozirconate fiber laser
08/25/1992CA1306792C Dynamic couplers using two-mode optical waveguides
08/25/1992CA1306791C Polarization insensitive optical frequency mixer
08/23/1992CA2047772A1 Reflection type overhead projector
08/21/1992WO1992015040A1 Optical isolator
08/21/1992CA2080904A1 Optical isolator
08/20/1992WO1992014234A1 Thermochromic image display apparatus
08/20/1992WO1992014184A1 Method for making encapsulated liquid crystal material
08/20/1992WO1992014183A1 Eye protection device for welding helmets and the like
08/20/1992WO1992014182A1 Display having light scattering centers
08/20/1992WO1992014181A1 Display having light scattering electro-optical element
08/20/1992WO1992014180A1 Optical anisotropic material and its manufacturing, and liquid crystal device provided therewith and its manufacturing
08/20/1992WO1992014174A1 Polarization-dependent and polarization-diversified opto-electronic devices using a strained quantum well
08/20/1992CA2100335A1 Method for making encapsulated liquid crystal material
08/19/1992EP0499492A2 Plastic optical articles
08/19/1992EP0499482A1 Ferroelectric liquid crystal compositions and use thereof
08/19/1992EP0499388A2 Bidirectional optical fibre communication link incorporating an amplifier
08/19/1992EP0499272A2 Nonlinear optical element and uses thereof
08/19/1992EP0499252A1 Liquid crystal composition, liquid crystal device, display apparatus and display method
08/19/1992EP0499222A1 Liquid crystal composition, liquid crystal device, display apparatus and display method
08/19/1992EP0499159A2 Liquid crystal device and dislay apparatus
08/19/1992EP0499128A2 Blockage-protected polarisation control device
08/19/1992EP0499115A1 Solid polymer electrolyte
08/19/1992EP0499101A2 Shaped voltage pulse method for operating a polymer dispersed liquid crystal cell, and light valve employing the same
08/19/1992EP0470249A4 Electric field induced quantum well waveguides
08/19/1992EP0346354B1 Substituted phthalocyanines
08/19/1992CN1063779A Wide-band ultra-short pulse laser system
08/19/1992CN1063778A Wide-band turning ultra-short pulse laser system
08/18/1992US5140658 Optical amplifiers involving single crystal waveguides
08/18/1992US5140657 Diffraction optical coupler
08/18/1992US5140654 Optical waveguide device for polarization rotation
08/18/1992US5140653 Optical head for a laser printer
08/18/1992US5140652 Electro-optical component and method for making the same
08/18/1992US5140651 Semiconductive guided-wave programmable optical delay lines using electrooptic fabry-perot elements
08/18/1992US5140599 Optical oscillator sweeper
08/18/1992US5140455 Oxidation/reduction of anodic and cathodic materials which colors in presence of applied voltage and bleaches to colorless in absence of voltage; used as review mirrors in automobiles in night driving conditions
08/18/1992US5140454 Electrooptic device
08/18/1992US5140450 Useful for an electrode of a display requiring moisture resistance
08/18/1992US5140449 Efficient use of available energy
08/18/1992US5140448 Apparatus for and method of operation of smectic liquid crystal light valve having scattering centers
08/18/1992US5140447 Display medium having a colored polymer liquid crystal layer
08/18/1992US5140428 Lcd projector combined with a video printer
08/18/1992US5139698 Achiral liquid crystal compound with doping component
08/18/1992US5139689 Preparing calcined powder from oxides of lead, lanthanum, zirconium, titanium or precursors, mixing with samarium or bismuth oxide, molding, calcining in atmosphere of oxygen and lead vapor
08/18/1992US5139341 Optical modulator
08/18/1992US5139340 Single polarizer, reflective type liquid crystal display device with high brightness and contrast ratio
08/18/1992CA1306533C Optical fibre amplifier
08/18/1992CA1306505C Microcomputer controlled display backlight
08/18/1992CA1306374C Semiconductor heterointerface optical waveguide
08/16/1992CA2061193A1 Ferroelectric liquid crystal compositions and use thereof
08/12/1992EP0498614A2 A liquid crystal display device
08/12/1992EP0498498A2 Active matrix electro-optic display with close-packed arrangement of diamond-shaped pixels
08/12/1992EP0498422A2 Optical interconnection networks and processes
08/12/1992EP0498395A1 Display apparatus for vehicle
08/12/1992EP0498375A1 Electrically tunable wavelength-selective filter
08/12/1992EP0498313A1 Optical functioning glass and apparatus using the same
08/12/1992EP0498277A1 Optically active benzthiazoles, liquid crystal composition, liquid crystal device, display apparatus and display method
08/12/1992EP0498200A1 Addressable wedge etalon filter
08/12/1992EP0498184A2 Organic nonlinear optical material
08/12/1992EP0498148A2 TFT LCD display control system for displaying data upon detection of VRAM write access
08/12/1992EP0497980A1 Optical valve device
08/12/1992EP0497898A1 Sulfonated polyaniline salt compositions, processes and uses
08/12/1992EP0497896A1 Non-photographic method for patterning organic polymer films.
08/12/1992EP0357702B1 Fluorinated oligophenyl derivatives
08/12/1992CN1017857B Optical fiber telecommunication lines with a amplifier
08/12/1992CN1017834B Device for projection television
08/11/1992US5138686 Fiber type wavelength converter
08/11/1992US5138628 Power laser with active mirror
08/11/1992US5138621 Pumping light source drive system for an optical amplifier
08/11/1992US5138483 Low-noise active fiber optical amplifier with pumping power reflector
08/11/1992US5138482 Light modular and recording device employing same
08/11/1992US5138481 Electrochromic device with color gradient and method of making the device
08/11/1992US5138480 Traveling wave optical modulator
08/11/1992US5138478 Optical beam scanning apparatus
08/11/1992US5138474 Liquid crystal display with compensator having two films with positive and negative intrinsic birefringence, respectively
08/11/1992US5138473 Ferroelectric liquid crystal screen with localized zigzag defects and opacified electrodes in the non-switchable area of the screen and processes for obtaining spacers and treating said screen
08/11/1992US5138472 Display having light scattering centers
08/11/1992US5138013 Epoxy curable ion-conducting electrolyte useful in electrochromic devices
08/11/1992US5138010 Fast switching polysiloxane ferroelectric liquid crystals
08/11/1992US5137991 Polyaniline compositions, processes for their preparation and uses thereof
08/11/1992US5137841 Method of manufacturing a thin film transistor using positive and negative photoresists
08/11/1992US5137484 Method of making a liquid crystal display construction
08/06/1992WO1992014185A1 Liquid crystal display device, and manufacture and application thereof
08/06/1992WO1992013363A2 Light emitting diode bars and arrays and method of making same
08/06/1992WO1992013291A1 Electro-optic system
08/06/1992WO1992013290A1 Orientation layers containing cyclic structural elements
08/06/1992WO1992012974A1 Pyridylpyrimidines, a method of preparing them, and their use in liquid-crystal mixtures
08/06/1992WO1992011554A3 Intensity dividing device
08/05/1992EP0497696A1 Device to measure the phase shift in an interferometer
08/05/1992EP0497666A1 Waveguide electro-optic device
08/05/1992EP0497619A2 Liquid crystal display devices
08/05/1992EP0497616A2 Electrochromic cell testers
08/05/1992EP0497491A2 Gain stabilized fiber amplifier
08/05/1992EP0497375A2 Wavelength converter
08/05/1992EP0497370A1 Liquid crystal display
08/05/1992EP0497268A2 Organic optical logic device
08/05/1992EP0497246A2 Optical fiber amplifier
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