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)
11/1990
11/07/1990EP0396172A1 Nonlinear optical compound, nonlinear optical medium, method of manufacturing a nonlinear optical medium and device for doubling the frequency of a light wave
11/07/1990EP0395986A2 Method for optical filtering of polarised light
11/07/1990EP0395957A1 Method of producing a substrate coated with a film of liquid crystal material and method and apparatus of producing a liquid crystal optical device
11/07/1990EP0190223B1 Phase insensitive optical logic gate device
11/06/1990USH840 Single-Schottky diode liquid crystal light valve and method
11/06/1990US4968881 Voltage detector using electro-optic material having anti-reflective coatings
11/06/1990US4968875 Cell for a medium or high tension metaclad station, and a station made up of such cells
11/06/1990US4968820 Chiral reaction products produced from mesogenic molecular structural elements and bifunctionally reactive butanetetraol derivatives, and their use as dopants in liquid crystal phases
11/06/1990US4968524 Chemisorption of acetylenic chlorosilane on silica, radiation polymerization to form acetylenic homopolymer
11/06/1990US4968136 Ring laser gyro and magnetic mirror therefor
11/06/1990US4968127 Controllable, variable transmissivity eyewear
11/06/1990US4968121 Hermetically sealed apparatus and method for maintaining crystals at a controlled operating temperature
11/06/1990US4968120 Multicolor liquid crystal display
11/06/1990US4968119 High-density liquid-crystal active dot-matrix display structure
11/06/1990US4968107 Real time image inversion using four-wave mixing
11/03/1990CA2015923A1 Non-linear optics active organic material
11/01/1990WO1990013055A1 Hemicyanine main-chain polymers
11/01/1990WO1990012897A1 Method of manufacturing non-oriented electromagnetic steel plates with excellent magnetic characteristics
11/01/1990WO1990012831A1 Branched, dipolar-oriented polymer materials
10/1990
10/31/1990EP0395451A2 Wavelength converting device
10/31/1990EP0395387A2 Display drive circuit
10/31/1990EP0395277A1 Optical amplifier gain control
10/31/1990EP0395161A2 Mim devices, their method of fabrication and display devices incorporating such devices
10/31/1990EP0395113A2 Laser writing type liquid crystal light valve
10/31/1990EP0395078A1 Optically active lactone derivative, liquid-crystal composition, and liquid-crystal display device
10/31/1990EP0395006A2 Display composition, coloring pigment, and recording material
10/31/1990EP0394903A2 Liquid crystal apparatus
10/31/1990EP0394814A1 Improved electro-optical display cell
10/31/1990EP0394674A2 Light conversion element and an imaging device
10/31/1990EP0394605A2 High-speed modulator of the polarization of an optical carrier
10/31/1990EP0394570A1 An electro-optical device
10/31/1990EP0394519A1 Liquid crystal display panel incorporating an optical phase shifting substrate
10/31/1990EP0394419A1 Matrix liquid crystal display.
10/31/1990EP0394416A1 Variable density light control apparatus and method
10/31/1990EP0394410A1 Enhanced backscattering and light transmission in a guest host display.
10/31/1990EP0394219A1 Optical modulation and measurement process.
10/31/1990EP0235634B1 Display cell
10/31/1990EP0234437B1 Chiralic reaction products of mesogene molecular structures and bifunctional reactive derivatives of tartaric acid, method for their production and their use as a doping material in liquid crystal phases
10/31/1990DE3912931A1 Hemicyaninhauptkettenpolymere Hemicyaninhauptkettenpolymere
10/31/1990CN1046615A 固体成象系统 Solid imaging system
10/31/1990CN1046544A Method for production of layered material having organic colorant of silica film and obtained layered material from them
10/30/1990US4966730 Capability of second harmonic generation using electrooptical modular
10/30/1990US4966727 Ferroelectric liquid crystal mixture for guest-host type display elements
10/30/1990US4966726 Chiral reaction products produced from mesogenic molecular structural elements and bifunctionally reactive tartaric acid derivatives, and their use as dopants in liquid crystal phases
10/30/1990US4966445 Optical device using magnetic thin films and electric field means
10/30/1990US4966444 Feedback-free optical arrangement for converting polarized laser emissions into a convergent beam
10/30/1990US4966442 Multilayer; flexible substrate, liquid crystal, gas barrier, spacers laminate
10/30/1990US4966441 Hybrid color display system
10/30/1990US4966431 Integrated-optic endless polarization transformer
10/29/1990CA2015666A1 Optical filtering of polarized light
10/28/1990WO1990013056A1 Optical beam steering device
10/28/1990CA2051372A1 Optical beam steering device
10/26/1990WO1990013163A1 High gain semiconductor laser amplifier package
10/25/1990DE4010684A1 Super-twist liq. crystal displays
10/25/1990DE4010668A1 Super-twist liq. crystal displays
10/25/1990DE3912922A1 Verzweigte, dipolar orientierte polymermaterialien Branched, dipolar oriented polymer materials
10/24/1990EP0394027A2 Nonlinear optically active polymers
10/24/1990EP0393967A2 Polarization controller for use in optical fiber communication system
10/24/1990EP0393924A2 Devices having asymmetric delta-doping
10/24/1990EP0393889A2 Optical system
10/24/1990EP0393851A1 A method of manufacturing a non-linear resistive element array
10/24/1990EP0393677A2 Solid imaging system
10/24/1990EP0393636A2 Liquid crystal composition and liquid crystal display using said composition
10/24/1990EP0393613A1 Mesomorphic compound, liquid crystal composition containing same and liquid crystal device using same
10/24/1990EP0393580A1 Mixture of yellow and magenta dyes to form a red hue for color filter array element
10/24/1990EP0393577A2 Liquid crystal composition and liquid crystal display using said composition
10/24/1990EP0393551A2 Process for fabricating uniformly thin plies
10/24/1990EP0393520A1 Process for the uniform introduction of a fluid and device for carrying out this process
10/24/1990EP0393501A1 Liquid crystal components with a trans-3-cyclohexylallyloxy group
10/24/1990EP0393490A2 Liquid crystal composition and liquid crystal display element
10/24/1990EP0393487A2 Display device driving circuit
10/24/1990EP0393443A2 Supertwist liquid crystal display
10/24/1990EP0393442A2 Liquid crystal supertwist display unit
10/24/1990EP0393317A2 Resonant tunneling semiconductor devices
10/24/1990EP0393191A1 Liquid crystal display
10/24/1990EP0393128A1 Liquid crystal optical devices having a controlled surface order gradient
10/24/1990EP0393022A1 Process and device for obtaining biological effects from a transformation of light
10/24/1990EP0218132B1 Liquid-crystal phase containing a dopant agent having a temperature-compensating effect
10/23/1990US4965760 Saturated optical interaction gate
10/23/1990US4965646 Thin film transistor and crossover structure for liquid crystal displays
10/23/1990US4965591 Recording with polymer liquid crystal recording medium
10/23/1990US4965565 Liquid crystal display panel having a thin-film transistor array for displaying a high quality picture
10/23/1990US4965564 Display apparatus with liquid crystal cells, preferably for motor vehicles
10/23/1990US4965332 Dehydrohalogenating hexachlorobutadiene with butlylithium, chlorosilanating dilithiobutadiyne; firing to ceramic, silicon carbide
10/23/1990US4965242 Method of making color filter array for liquid crystal display
10/23/1990US4965020 Element comprising an aromatic nitroso-containing ether, sulfide, or amine; molecularly oriented to have a net non-centro-symmetry
10/23/1990US4965018 Optically active pyridylethanol derivative
10/23/1990US4965017 Liquid crystal devices
10/23/1990US4964702 Liquid crystal display device having a light shielding layer being a complementary color to the color filter
10/23/1990US4964701 Deflector for an optical beam
10/23/1990US4964700 Connection structure between a liquid crystal panel and an external circuit
10/23/1990US4964699 Display device
10/23/1990US4964251 Dual-pane thermal window with liquid crystal shade
10/23/1990CA1275419C Second harmonic generation with schiff bases
10/21/1990CA2015007A1 Process for the uniform introduction of a fluid, and apparatus for carrying out the process
10/21/1990CA2014810A1 Solid imaging system
10/21/1990CA2013112A1 Nonlinear optically active polymers
10/18/1990WO1990012341A1 Optical circuit element of waveguide type
10/18/1990WO1990012340A1 Alignment of liquid crystal molecules of active matrix liquid crystal display device
10/18/1990WO1990012339A1 Multi-channel filter system