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)
03/1991
03/27/1991EP0215008B1 Programmable methods of performing complex optical computations using data processing system
03/27/1991EP0148266B1 Wavelength division multiplexing optical communications systems
03/26/1991US5003624 Automatic bias controller for electro-optic modulator
03/26/1991US5003546 Interferometric devices for reducing harmonic distortions in laser communication systems
03/26/1991US5003386 Preparation of a copy hologram with a light modulating array derived from a master hologram
03/26/1991US5003356 Thin film transistor array
03/26/1991US5003302 Dual addressing transistor active matrix display screen
03/26/1991US5003268 Optical signal sampling apparatus
03/26/1991US5002796 Process for forming functional zinc oxide films using alkyl zinc compound and oxygen-containing gas
03/26/1991US5002701 Iodine and Halide Complex of a Pyrazinedicarboxylic Acid
03/26/1991US5002700 Permanently doped polyaniline and method thereof
03/26/1991US5002694 Liquid crystals with ferroelectric properties
03/26/1991US5002692 Amide liquid crystal compounds: mixtures and devices using them
03/26/1991US5002370 Reflection light preventive device making use of Faraday effect
03/26/1991US5002368 Liquid crystal display mounting structure
03/26/1991US5002367 Multi-level circuits, methods for their fabrication, and display devices incorporating such circuits
03/26/1991US5002360 Frequency doubling optical waveguide with active phase matching
03/26/1991US5002354 High-extinction 2×2 integrated optical changeover switches
03/26/1991US5002353 Apparatus and method for reducing modulator nonlinearities
03/26/1991US5002349 Integrated acousto-optic filters and switches
03/22/1991CA2025871A1 Solid state laser device for lithography light source and semiconductor lithography method
03/21/1991WO1991003760A1 Optically coupled waveguides
03/21/1991WO1991003759A1 Lcd contrast adjustment system
03/21/1991WO1991003748A1 Electro-optic waveguide device
03/21/1991WO1991003683A1 Acrylic copolymers exhibiting nonlinear optical response
03/21/1991WO1991003504A1 Acrylic polymers exhibiting nonlinear optical response
03/21/1991WO1991003458A1 Nonlinear optical device from 3-methyl-4-methoxy-4'-nitrostilbene
03/21/1991WO1991003450A1 Fluorobenzole derivatives and mesomorphous medium
03/21/1991WO1991003447A1 Difluorobenzonitriles and liquid-crystal medium
03/21/1991CA2022613A1 Active matrix liquid crystal display fabrication for grayscale
03/20/1991EP0418084A2 Laser beam deflection apparatus
03/20/1991EP0417989A2 Quantum well device and apparatus comprising the device
03/20/1991EP0417852A2 Active matrix display devices and methods of fabricating such
03/20/1991EP0417851A2 Two-terminal non-linear devices and their method of fabrication
03/20/1991EP0417794A2 Liquid crystal display device
03/20/1991EP0417624A2 Electrochromic window with polymer layer
03/20/1991EP0417578A2 Circuit for driving a liquid crystal display
03/20/1991EP0417573A2 Spacing and sealing arrangement for liquid crystal light valve
03/20/1991EP0417441A1 Double core active-fiber optical amplifier having a wide-band signal wavelength
03/20/1991EP0417295A1 Optical circuit element of waveguide type
03/20/1991EP0417198A1 Transparent conductive coatings
03/20/1991EP0417132A1 Lithium niobate single crystals with congruent composition and process for producing them.
03/19/1991WO1991004505A1 Method of producing color filter and resist for light-shielding film used for the method
03/19/1991US5001522 Optical semiconductor device
03/19/1991US5001209 Non-linear optical active diols and polyurethanes prepared therefrom
03/19/1991US5000988 Method of applying a coating of viscous materials
03/19/1991US5000545 Liquid crystal device with metal electrode partially overlying transparent electrode
03/19/1991CA2042035A1 Method of producing color filter and resist for light-shielding film used for the method
03/19/1991CA2021079A1 Insulator structure for amorphous silicon thin-film transistors
03/19/1991CA1281825C Active matrix display screen and methods for fabricating said screen
03/19/1991CA1281824C Row and column redundancy active matrix display screen
03/19/1991CA1281803C Magnet-electro-optic effect light modulator
03/19/1991CA1281802C Electro-optic devices
03/16/1991WO1991004593A1 Square optical pulse generator
03/16/1991WO1991004509A1 Quantom non-demolition optical tapping
03/16/1991CA2066260A1 Quantum non-demolition optical tapping
03/14/1991DE3929340A1 Integrated optical gas refractive index sensor - with lithium niobate crystal with proton exchanged niobate and gas sensitive layer on waveguide on cut axis
03/13/1991EP0416946A2 Optically active naphthalene derivative, process for preparation thereof, liquid crystal composition containing the same as effective component, and liquid crystal element using the same
03/13/1991EP0416936A2 Liquid crystal display device
03/13/1991EP0416935A2 A light wavelength converter
03/13/1991EP0416879A1 Quantum well structures
03/13/1991EP0416676A2 Nonlinear optical switch utilising organic conjugated material and four wave mixing techniques
03/13/1991EP0416632A2 Organic nonlinear optical material
03/13/1991EP0416597A2 Liquid crystal display device
03/13/1991EP0416478A2 Integrated light waveguide manufacturing process
03/13/1991EP0416117A1 Liquid crystal composition
03/13/1991EP0416070A1 Single-polarization, integrated optical components for optical gyroscopes.
03/13/1991EP0416005A1 Electro-optic device
03/13/1991EP0381684A4 Microcomputer controlled display backlight
03/13/1991EP0290591B1 Materials with nitrogenous six-membered rings
03/13/1991EP0231394B1 Novel polymers of3,4-substituted pyrrole compound and processfor their preparation
03/13/1991EP0222810B1 Optical homodyne detection
03/13/1991CN2073121U Optical guiding arrangement
03/13/1991CN1049918A Camera shutter actuating device
03/13/1991CN1012030B Method of driving display device and display device suitable for such method
03/13/1991CN1012029B Display arrangement with improved drive
03/13/1991CN1012025B Liquid crystal electro-optical control display device of driving and heating at same time
03/12/1991WO1991003752A1 Polymeric waveguide device for phase matched second harmonic generation
03/12/1991WO1991003457A1 Process for the production of esters exhibiting nonlinear optical response
03/12/1991US4999809 Photorefractive device and process for its use
03/12/1991US4999619 Electro-optic display device for use in the reflection mode
03/12/1991US4999570 Device for making non-contacting measurements of electric fields which are statical and/or varying in time
03/12/1991US4999485 Nonlinerar optical device structure with compound semiconductor having graded chemical composition
03/12/1991US4999460 Conductive connecting structure
03/12/1991US4999401 Electro-optical Laminates
03/12/1991US4999215 Method for manufacturing polyimide thin films by plasma polymerization
03/12/1991US4999139 Aminonitrostyrene Compound; Including a Polarizer, an Optical Resonator an a Reflector
03/12/1991US4999130 Optically active compound, process for producing same and liquid crystal composition containing same
03/12/1991US4999094 Method for manufacturing a color member
03/12/1991US4998837 Lead cartridge with an openable capping structure
03/12/1991US4998805 Elimination of field-induced instabilities in electrooptic modulators
03/12/1991US4998804 Transmissive liquid crystal display device
03/12/1991US4998792 Fiber optic mode conditioner
03/12/1991US4998791 Integrated optical switches with very high extinction ratios
03/12/1991CA2066211A1 Process for the production of esters exhibiting nonlinear optical response
03/12/1991CA2065396A1 Polymeric waveguide device for phase matched second harmonic generation
03/12/1991CA1281404C Smetic liquid crystal devices
03/12/1991CA1281220C Nonlinear and bistable optical device
03/08/1991WO1991003848A1 Method for ascertaining mode hopping free tuning of resonance frequency and the q-value of an optical resonator and a device for carrying out the method
03/08/1991CA2065408A1 Method for ascertaining mode hopping free tuning of resonance frequency and the q-value of an optical resonator and a device for carrying out the method
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