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)
11/1991
11/27/1991EP0457760A1 Optical switch
11/27/1991EP0198088B1 Lighting apparatus
11/27/1991CN2089663U Rotary reflect laser output device
11/26/1991WO1991019219A1 Fabry-perot modulator
11/26/1991US5068749 Electronically tunable polarization-independent liquid crystal optical filter
11/26/1991US5068748 Active matrix liquid crystal display device having improved electrostatic discharge protection
11/26/1991US5068740 Modular flat-screen television displays and modules and circuit drives therefor
11/26/1991US5068699 Thin film transistor for a plate display
11/26/1991US5068649 Method and apparatus for displaying different shades of gray on a liquid crystal display
11/26/1991US5068546 Solid state laser operating with frequency doubling and stabilized by an external resonator
11/26/1991US5068054 Aromatic compounds with esters, thioesters and ethers for electrooptical apparatus
11/26/1991US5068053 Liquid crystals for optical apparatus
11/26/1991US5067829 Dynamic optical beam steering
11/26/1991US5067828 Transferred electron effective mass modulator
11/26/1991US5067797 Liquid crystal display cell and process for producing the same
11/26/1991US5067796 Liquid crystal display device with cut-out portions in lead electrodes for connection to driving circuit
11/26/1991US5067795 Adjustable transparency spectacles
11/26/1991US5067788 High modulation rate optical plasmon waveguide modulator
11/26/1991CA2043192A1 Phase retarder and process for producing the same
11/26/1991CA2040380A1 Data element switch
11/26/1991CA1292542C Apparatus and methods for the production of large area electro-optic devices
11/21/1991EP0457670A1 Method of manufacturing an active matrix display with storage capacitors and display obtained by the method
11/21/1991EP0457607A2 Optical rotator
11/21/1991EP0457605A2 Polarization converting device and polarized-light illuminating system using the device and image display unit using the device
11/21/1991EP0457601A2 Thin film semi-conductor device and method of producing same
11/21/1991EP0457485A2 Nonlinear optical devices and methods for making them
11/21/1991EP0457484A2 Tunable optical filter
11/21/1991EP0457483A2 Controllable semiconductor modulator having interleaved contacts
11/21/1991EP0457406A1 Digital optical switch
11/21/1991EP0457369A2 Recording method and recording apparatus
11/21/1991EP0457328A2 Active matrix structure for liquid crystal display elements
11/21/1991EP0457052A2 Passively addressed high resolution liquid crystal display
11/21/1991EP0456793A1 Halophenyl substituted heterocyclic derivatives.
11/21/1991EP0456656A1 Radiation-emitting panels and display assemblies.
11/19/1991US5067021 Modular flat-screen television displays and modules and circuit drives therefor
11/19/1991US5066946 Electrophoretic display panel with selective line erasure
11/19/1991US5066893 Driving circuit for an electroluminescence device
11/19/1991US5066512 Electrostatic deposition of lcd color filters
11/19/1991US5066126 Optical spectrum analyzer
11/19/1991US5066111 Electrochromic window with integrated bus bars
11/19/1991US5066110 Liquid crystal display apparatus
11/19/1991US5066109 Half-tone liquid crystal display device
11/19/1991US5066108 High throughput contrast enhancement for polarized displays
11/19/1991US5066107 Liquid crystal display medium, liquid crystal display method and liquid crystal display apparatus for outputting color images
11/19/1991US5066106 Liquid crystal display device having redundant buses
11/19/1991US5066105 Liquid crystal display device having varistor layers substantially free from cross-talk
11/19/1991US5066104 Liquid crystal electrical fault indicators
11/19/1991US5066092 Optical arrangement for a feedback-free coupling of a laser emission emitted by a semiconductor laser into an optical fiber
11/19/1991US5066086 Semiconductor device comprising a directional coupler for the TE and TM components
11/19/1991US5065505 Method for connecting circuit boards
11/19/1991CA1292331C Waveguide type optical multiplexer/demultiplexer
11/19/1991CA1292283C Reflection transmitter and receiver means for a bidirectional lightwaveguide communications system
11/18/1991CA2041352A1 High resolution, passively controlled liquid crystal display
11/16/1991CA2042427A1 Method for embodying an active matrix display screen with storage capacitors and screen obtained by this method
11/14/1991WO1991017574A1 Etching indium tin oxide
11/14/1991WO1991017473A2 Multichannel integrated optics modulator for laser printer
11/14/1991WO1991017471A1 Optical valve device
11/14/1991WO1991017135A1 Phenyl cyclohexanes and liquid crystal medium
11/14/1991WO1991017134A1 Phenyl cyclohexanes and liquid cristal medium
11/14/1991WO1991015928A3 Displays having improved contrast
11/14/1991WO1991015843A3 Video display systems
11/14/1991WO1991014964A3 Passive protection of optically sensitive materials with transition-metal organometallic cluster compounds
11/14/1991DE4112859A1 Conductive layer prodn. in LCD mfr. - by electroless nickel plating of structured indium-tin oxide layer without accidental connections between lines or layers
11/14/1991DE4112857A1 Liquid crystal display - has isolating film with projecting conduction tracks on three sides
11/13/1991EP0456453A2 High quality active matrix-type display device
11/13/1991EP0456422A2 Sagnac optical logic gate
11/13/1991EP0456365A2 Optical hybrid for coherent detection systems
11/13/1991EP0456338A2 An active matrix display device and a method of manufacturing the same
11/13/1991EP0456235A2 Chiral smectic liquid crystal composition, liquid crystal device, display apparatus and display method
11/13/1991EP0456130A2 Apparatus and method for optically effecting image operations
11/13/1991EP0456012A2 Display control device for reducing power consumption
11/13/1991EP0455887A2 Lighting device
11/13/1991EP0455886A2 Liquid crystal display
11/13/1991EP0349634A4 System and method for photorefractive holographic recording and signal processing
11/13/1991EP0151188B1 Method for directly transmitting images
11/13/1991CN2088701U Self-brightness light shade
11/13/1991CN1056187A Method for photolithographically forming self-aligned mask using back-side exposure and non-specular reflecting layer
11/13/1991CN1014756B Driver circuit for driving light emitting element
11/12/1991US5065207 Optoelectronic circuit with diodes and waveguides
11/12/1991US5065202 Amorphous silicon thin film transistor array substrate and method for producing the same
11/12/1991US5065046 Pump beam and signal beam impinge on potassium niobium oxide crystal and interact to produce optical energy at idler and signal wavelengths at the expense of optical energy of the impinging pump beam wavelength
11/12/1991US5065044 Method for driving a pnpn semiconductor device
11/12/1991US5064929 Tough, transparent optical films
11/12/1991US5064697 Substrate with a liquid crystal polymeric thin film and method for manufacturing the same
11/12/1991US5064684 Casting metal carboxylate, forming ceramic by heating with imprinting tool
11/12/1991US5064577 Method of spinning optical fibers
11/12/1991US5064568 Ferroelectric liquid crystal composition
11/12/1991US5064567 Fluorophenyl cyclohexanes
11/12/1991US5064277 Operation of a light modulator of the planar electrode type
11/12/1991US5064276 Light source for planar illumination in liquid crystal device
11/12/1991US5064275 Liquid crystal display device having optically activatable switch means
11/12/1991US5064265 Optical parametric amplifier
11/12/1991US5064264 Optical waveguides
11/12/1991US5064257 Optical heterodyne scanning type holography device
11/12/1991CA1292040C Semiconductor optical amplifier with shortened gain recovery time
11/11/1991CA2039797A1 Fiber optic switch
11/10/1991CA2041688A1 Acousto optics deflector
11/09/1991WO1991017553A1 Low voltage varistor array
11/09/1991WO1991017472A1 Varistor driven liquid crystal display
11/09/1991CA2082384A1 Varistor driven liquid crystal display
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