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)
09/1991
09/19/1991WO1991014193A1 Optical isolator
09/19/1991WO1991013947A2 Liquid crystalline medium
09/19/1991WO1991013850A1 4,4'-disubstituted 2',3-difluorbiphenyls and liquid crystalline medium
09/19/1991DE4107120A1 4,4'-Di:substd. 2',3-di:fluoro-bi:phenyl cpds. - useful as components of liq. crystal media for electro=optical displays
09/18/1991EP0447331A2 An optical article exhibiting a high level of second order polarization susceptibility
09/18/1991EP0447077A2 Electro-optical device
09/18/1991EP0446949A1 System for correcting an aberration in an optical system
09/18/1991EP0446717A2 Photochromic monomers and polymers derived from them
09/18/1991EP0446351A1 Transmission-type liquid crystal display device
09/18/1991CN1054670A Actire fibre optical amplifier, with double-core portions, having wide signal wavelength band
09/18/1991CN1054587A Fluorinated sulfones ketones for nonlineav optics
09/17/1991US5050183 Figure eight shaped coherent optical pulse source
09/17/1991US5050175 Pulsed power laser with mopa structure with nonlinear energy transfer medium
09/17/1991US5050046 Surface lighting apparatus
09/17/1991US5049952 Thin film transistor for use in a flat plate display
09/17/1991US5049868 Electrochromic display dot drive matrix
09/17/1991US5049866 Liquid crystal display device
09/17/1991US5049762 Optical wavelength converter system
09/17/1991US5049730 Automatic shutter for low light sensing and amplifying device
09/17/1991US5049455 Amphiphilic anthracene derivative
09/17/1991US5049307 Process for the production of a ferromagnetic composition, ferromagnetic liquid crystal obtained by this process and apparatus using said liquid crystal
09/17/1991US5048949 Liquid crystal projector
09/17/1991US5048937 Faraday rotator device and optical switch containing same
09/17/1991US5048936 Light beam deflector
09/17/1991US5048934 Method of driving ferroelectric liquid crystal without timing conversion circuitry
09/17/1991US5048933 Transmission type liquid crystal display device
09/17/1991US5048932 Transmission type liquid crystal display device
09/17/1991US5048931 Liquid crystal display projection system having improved contrast
09/17/1991US5048930 Switches of amorphous silicon
09/17/1991US5048909 Adiabatic reflection apparatus
09/17/1991US5048907 Electric field induced quantum well waveguides
09/17/1991US5048906 Waveguide type photoswitch with a short coupling region
09/17/1991CA1289295C Optical article containing a linear polymer exhibiting a high level of second order polarization susceptibility
09/17/1991CA1289231C Intracavity generation of coherent optical radiation by optical mixing
09/17/1991CA1289229C Liquid crystal display device
09/17/1991CA1289228C Liquid crystal display device
09/17/1991CA1289194C Optical communications system comprising raman amplification means
09/17/1991CA1288982C Projector using liquid crystal cells
09/12/1991DE4107021A1 TV monitor in car passenger compartment - has filter with variable transparency in front of monitor screen for image visibility adjustment
09/11/1991EP0446154A2 Photorefractive device
09/11/1991EP0446153A2 Photorefractive system and process for its use
09/11/1991EP0446041A2 Electronic fluorescent display system
09/11/1991EP0445984A2 Optical wavelength-converting device for guided-wave second-harmonic generation in Cerenkov radiation mode
09/11/1991EP0445930A1 Lithium niobate etchant
09/11/1991EP0445881A1 Method of manufacturing conductor tracks
09/11/1991EP0445864A1 Thermally curable NLO system and integrated optical components prepared therefrom
09/11/1991EP0445777A2 Liquid crystal display device
09/11/1991EP0445763A2 Operating point trimming method for optical waveguide modulator and switch
09/11/1991EP0445720A2 Method and arrangement for supplying a system of electro-optic layers with an operating voltage
09/11/1991EP0445686A2 Display device
09/11/1991EP0445674A2 Method of orienting liquid crystal polymers and their use as orientation layer in liquid crystal switching and display device
09/11/1991EP0445629A2 Process of preparing liquid crystal compositions containing multiple oriented mesogens
09/11/1991EP0445628A2 Polymerizable nematic monomer compositions
09/11/1991EP0445527A2 Optical waveguide component and method of manufacturing an optical waveguide component
09/11/1991EP0445268A1 Optical filters
09/11/1991EP0445238A1 Method for rapid and uniform heating of a multilayer transparent and/or reflecting optical system with solid polymer electrolyte.
09/11/1991EP0445202A1 Materials exhibiting large non linear optical properties.
09/11/1991EP0397690A4 Electrooptic modulator
09/11/1991EP0289497B1 Indicator device
09/11/1991EP0197943B1 Optical waveguide amplifier and laser
09/11/1991CN1054494A Case ac liquid crystal light valve
09/11/1991CN1054493A Reverse mode microdroplet liquid crystal light shutter display
09/10/1991US5048118 Combination dual loop antenna and bezel with detachable lens cap
09/10/1991US5048051 Optically-stabilized plano-plano optical resonators
09/10/1991US5048030 Light amplifying device
09/10/1991US5048029 System for obtaining smooth laser beams where intensity variations are reduced by spectral dispersion of the laser light (SSD)
09/10/1991US5047847 Endoscope using liquid crystal devices different in the response frequency in the image forming optical system
09/10/1991US5047822 Electro-optic quantum well device
09/10/1991US5047819 Amorphous-silicon thin film transistor array substrate
09/10/1991US5047758 Method of driving a passive ferro-electric liquid crystal display device
09/10/1991US5047757 Method of addressing a ferroelectric liquid crystal display
09/10/1991US5047668 Optical walkoff compensation in critically phase-matched three-wave frequency conversion systems
09/10/1991US5047516 Wavesuides for altering light characteristics
09/10/1991US5047360 Doped semiconductor and passivation layers
09/10/1991US5047171 Liquid Crystals
09/10/1991US5046832 Multimode acousto-optic switch and dead zone correction method
09/10/1991US5046831 Liquid crystal electro-optical device having micro-domains
09/10/1991US5046830 Ferroelectric liquid crystal device with specific pitch in each of a cholesteric and a smectic phase
09/10/1991US5046829 Liquid crystal display backlighting apparatus having combined optical diffuser and shock dampening properties
09/10/1991US5046828 Apparatus for reading out a charge latent image
09/10/1991US5046827 Optical reconstruction filter for color mosaic displays
09/10/1991US5046825 Liquid crystal cell with picture electrode interference layer covering metallic feed lines
09/10/1991US5046823 Ferroelectric liquid crystal electro-optic apparatus and manufacturing method thereof
09/10/1991US5046822 Polyimide film; ferroelectricity
09/10/1991US5046817 Generation of parallel second harmonic light rays using an optical fiber
09/10/1991US5046803 Actively phased matched frequency doubling optical waveguide
09/10/1991US5046802 Light wavelength converter
09/10/1991CA2036723A1 Photorefractive system and process for its use
09/10/1991CA2036443A1 Photorefractive device and process for its use
09/10/1991CA1288851C Generation of coherent optical radiation by optical mixing
09/08/1991CA2022127A1 Liquid crystal light modulators with asymmetrical interfaces
09/07/1991WO1991014198A1 Electrochromic device
09/07/1991WO1991014197A1 Sealed electrochromic device
09/07/1991CA2077444A1 Sealed electrochromic device
09/07/1991CA2075907A1 Electrochromic device
09/07/1991CA2037579A1 Thermally curable nlo system and integrated optical components prepared therefrom
09/05/1991WO1991013382A1 Nonlinear optical elements containing j-aggregates
09/05/1991WO1991013381A1 Electrochromic, electroluminescent and electrochemiluminescent displays
09/05/1991WO1991013375A1 Electric field induced quantum well waveguides
09/05/1991WO1991013116A1 Compositions active in non linear optics, materials and systems containing them
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