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)
04/1991
04/16/1991US5007716 Liquid crystal device
04/16/1991US5007714 Optical device
04/16/1991US5007705 Variable optical fiber Bragg filter arrangement
04/16/1991US5007698 Optical fiber amplifier/multiplexer
04/16/1991US5007696 Electro-optic channel waveguide
04/16/1991US5007695 Fiber optic phase modulator using electro-optic material in evanescent field
04/16/1991US5007694 Light wavelength converter
04/16/1991CA1283247C Phase conjugate reflecting media
04/12/1991CA2025053A1 High x(2) optical article with improved buffer layer
04/11/1991DE3934328A1 Super-twist liq. crystal displays having wide working temp. range - contain nematic liq. crystal mixt. with specified range of properties
04/11/1991DE3930774A1 Projector for video colour picture - has three mutually inclined mirror faces in intersection point of partial light current axes
04/10/1991EP0421880A1 Multipurpose integrated optics component and distribution network with optical amplification
04/10/1991EP0421869A1 Large scale matrix device for capturing or restoring images
04/10/1991EP0421855A1 Optical reproduction system for coloured video images
04/10/1991EP0421810A2 A directional reflector
04/10/1991EP0421809A2 A screen and projector for use in a front projection system
04/10/1991EP0421675A2 Distributed amplification for lightwave transmission system
04/10/1991EP0421654A1 Polarization independent optical isolator
04/10/1991EP0421628A2 Projection type liquid crystal display device
04/10/1991EP0421546A2 Solid, polymeric electrolyte on polyepoxy basis
04/10/1991EP0421517A1 Alpha-numerical display device
04/10/1991EP0421438A2 Ferroelectric liquid crystal device
04/10/1991EP0421432A1 Liquid crystal display device
04/10/1991EP0421429A2 Electrode pattern forming method
04/10/1991EP0421386A2 Liquid crystal display element
04/10/1991EP0421190A2 Method of manufacturing a liquid crystal cell
04/10/1991EP0421012A1 Ferroelectric liquid crystal composition
04/10/1991EP0194315B1 Liquid crystal display
04/09/1991US5006840 Color liquid-crystal display apparatus with rectilinear arrangement
04/09/1991US5006839 Method for driving a liquid crystal optical apparatus
04/09/1991US5006729 Optical compound in polymer matrix, each containing sulfone group
04/09/1991US5006285 Electro-optic channel waveguide
04/09/1991US5006276 Dichroic dyes combination; stability at low temperature; light resistance
04/09/1991US5006212 Methods enabling stress crack free patterning of chrome on layers of organic polymers
04/09/1991US5005953 High contrast liquid crystal element
04/09/1991US5005952 Polarization controller
04/09/1991US5005951 Liquid crystal display device
04/09/1991US5005946 Multi-channel filter system
04/09/1991US5005938 Optical wavelength convertical apparatus
04/09/1991US5005933 Non-linear optical device
04/09/1991US5005932 Electro-optic modulator
04/09/1991CA1282854C Flat display panel
04/07/1991CA2027036A1 Multipurpose component with integrated optics and distribution network with optical amplification
04/07/1991CA2026361A1 Process for producing a liquid-crystal cell
04/05/1991CA2026808A1 Large matrix device for image acquisition or recovery
04/05/1991CA2021015A1 Active polarization control servo and method
04/04/1991WO1991004632A1 Optical projection system with electronic sector erase system
04/04/1991WO1991004514A1 Reversible or irreversible production of an image
04/04/1991WO1991004508A2 Helmet mounted display
04/04/1991WO1991004506A1 Optical filters
04/04/1991WO1991002710A3 Benzol derivatives and liquid crystalline medium
04/04/1991DE3844701A1 Display screen - uses combination of LED and LCD devices for matrix display panel
04/03/1991WO1991005029A1 Electro-optical liquid crystal system
04/03/1991EP0420817A1 Photographic colour copier and method of controlling illumination
04/03/1991EP0420749A2 Optical semiconductor device
04/03/1991EP0420727A1 Method and device for optimalisation of the contrast and the viewing angle of a liquid crystal display
04/03/1991EP0420701A2 Flat-panel display with masking for VTR signals
04/03/1991EP0420692A2 Nonlinear optical crystal damage measuring method and damage recovering apparatus
04/03/1991EP0420670A2 Liquid-crystal orientating film, method of manufacturing the film, and liquid-crystal element having the film
04/03/1991EP0420572A2 A method for driving an active matrix display
04/03/1991EP0420340A1 Display device
04/03/1991EP0420216A2 Use of a material as non-linear optical material and non-linear optical device
04/03/1991EP0420156A1 Wavelength modulator device
04/03/1991EP0420129A2 Liquid crystal electro-optical device and method for driving the same
04/03/1991EP0420072A2 Liquid crystal device
04/03/1991EP0419848A2 Multilayered security window structure
04/03/1991EP0409921A4 Optical feedback control in the frequency conversion of laser diode radiation
04/03/1991EP0341267A4 Process for producing an optical waveguide and the product therefrom
04/03/1991EP0211030B1 Ferro-electric smectic liquid crystal materials based on terpenoid derivatives
04/03/1991CN1012288B Liquid crystal display device and method of manufacturing such display device
04/03/1991CA2042603A1 Electrooptical liquid crystal system
04/02/1991US5005175 Erbium-doped fiber amplifier
04/02/1991US5005056 Amorphous-silicon thin film transistor array substrate
04/02/1991US5004447 Low loss semiconductor directional coupler switches including gain method of switching light using same
04/02/1991US5004325 Optical processing using a multilayer heterostructure
04/02/1991US5004324 Liquid crystal display
04/02/1991US5004323 Extended temperature range polymer dispersed liquid crystal light shutters
04/02/1991US5004322 Method of manufacturing an improved electroscopic fluid display
04/02/1991US5004319 Crystal diffraction lens with variable focal length
04/02/1991US5004314 Optical signal modulation device
04/02/1991US5004313 Low loss, low dispersion velocity-matched travelling wave modulator
04/02/1991US5004312 Method for controlling a polarization of light
04/02/1991CA1282484C Scanning optical system
03/1991
03/28/1991DE3930667A1 Reversible oder irreversible erzeugung einer abbildung Reversible or irreversible production of a figure
03/27/1991EP0419257A2 Optical head apparatus incorporating a polarizing element
03/27/1991EP0419211A2 Spatial light modulating element using uniaxial single crystal of oxide as insulating layer
03/27/1991EP0419160A1 Amorphous silicon semiconductor devices
03/27/1991EP0419059A1 Laser source
03/27/1991EP0418997A1 High gain semiconductor laser amplifier package
03/27/1991EP0418922A2 Mesomorphic compound, liquid crystal composition containing same and liquid crystal device using same
03/27/1991EP0418916A2 Optical wavelength converting method
03/27/1991EP0418890A2 Solid state laser device for lithography light source and semiconductor lithography method
03/27/1991EP0418846A2 Method for fabricating a liquid crystal display and display made by said method
03/27/1991EP0418833A2 Organic thin film and liquid crystal display devices with the same
03/27/1991EP0418758A2 Liquid crystal electro-optical device
03/27/1991EP0418654A1 Coupler-type optical switch and process for producing the same
03/27/1991EP0418400A1 Method of reducing shadowed areas in alignment layers of liquid crystal displays
03/27/1991EP0418368A1 Reducing video display radiation
03/27/1991EP0418362A1 Trifluoromethylcyclohexane derivatives.
03/27/1991EP0418286A1 Fibre-optic couplers
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