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)
03/1990
03/28/1990EP0360043A1 p-Terphenyl derivatives and liquid crystalline compositions
03/28/1990EP0360042A1 p-Terphenyl derivatives and liquid crystalline compositions
03/28/1990EP0359967A2 External optical resonator for a semiconductor laser
03/28/1990EP0359934A1 Color filter
03/28/1990EP0359801A1 Acrylate polymer-dispersed liquid crystal material and devices made therefrom.
03/28/1990EP0359778A1 Optical device.
03/28/1990CN1040879A 显示器件 Display Devices
03/28/1990CN1040873A Frequency doubling device
03/28/1990CN1040872A Color cilter
03/28/1990CN1040871A Multicolor liquid crystal display device and method of producing the same
03/28/1990CN1040829A Process for producing color display material and color filter
03/27/1990US4912614 Light valve projection system with non imaging optics for illumination
03/27/1990US4912526 Optical frequency synthesizer/sweeper
03/27/1990US4911958 Liquid crystal between pairs of electrodes
03/27/1990US4911863 Ferroelectric; mixture of compounds containing aromatic ester
03/27/1990US4911800 Electrochemically controlled superconductivity
03/27/1990US4911537 Bird-wing phase conjugator using mutually incoherent laser beams
03/27/1990US4911535 Rear screen projection with twisted nematic crystals for improved viewing angle
03/27/1990US4911512 Waveguide type optical head
03/27/1990CA1267012A1 Separation structure, optical switching element including such structures and optical switching matrix constituted by these switching elements
03/22/1990WO1990003055A1 Light emitting device and method of producing the same
03/22/1990WO1990003054A1 Wavelength stabilized source of light
03/22/1990WO1990002969A1 Device for deflecting a light beam
03/22/1990WO1990002968A1 Common path multichannel optical processor
03/22/1990DE3830455A1 Grossflaechige anzeigeeinrichtung Grossflaechige telltale
03/21/1990EP0359648A1 Polyurethanes with non linear optical properties and materials containing the same, optical device containing the same and processes for the production of these compounds and materials
03/21/1990EP0359494A2 First surface Fresnel reflector for liquid crystal display
03/21/1990EP0359280A2 Liquid crystal device
03/21/1990EP0359213A2 Filter for optical beams
03/21/1990EP0359146A2 Liquid crystal device
03/21/1990EP0359082A1 Electro-optical cell
03/21/1990EP0153312B1 Electro-optical filter device
03/20/1990US4910737 Bistable optical device comprising a lightly doped optical fibre
03/20/1990US4910706 Analog memory for storing digital information
03/20/1990US4910579 Semiconductor integrated display device with overlapping electrodes
03/20/1990US4910454 System for electrical signal sampling with ultrashort optical pulses
03/20/1990US4910413 Image pickup apparatus
03/20/1990US4909964 Nonlinear optical devices from derivatives of stilbene and diphenylacetylene
03/20/1990US4909959 Conductive polymers derived from 3-alkylthiophenes, a process for manufacturing them and electroconductive devices containing them
03/20/1990US4909954 Second harmonic generation with schiff bases
03/20/1990US4909626 Electrically-controllable thin film Fresnel zone device
03/20/1990US4909612 Optical isolator employing multipass faraday rotation
03/20/1990US4909610 Process for charging an electrochromic system with hydrogen
03/20/1990US4909609 Nonlinear optical protection against frequency agile lasers
03/20/1990US4909608 Optical monlinearity of aminobenzophenone derivatives
03/20/1990US4909607 Addressing liquid crystal cells
03/20/1990US4909606 Liquid crystal display device
03/20/1990US4909605 Liquid crystal display device
03/20/1990US4909604 Light source device
03/20/1990US4909603 Liquid crystal display element
03/20/1990US4909602 Liquid crystal display and method of driving the same
03/20/1990US4909598 Non-linear optical device
03/20/1990US4909596 Optical wavelength converter module
03/20/1990US4909595 Optical wavelength conversion method and optical wavelength converter module
03/20/1990US4909587 Fibre-type light conversion device
03/20/1990CA1266929A1 Power source device for driving liquid crystal
03/20/1990CA1266908A1 Liquid crystal device
03/14/1990EP0358486A2 Method of driving a liquid crystal display
03/14/1990EP0358476A2 Integrated optic components
03/14/1990EP0358414A2 Optical waveguide
03/14/1990EP0358394A2 Infra-red radiation modulator
03/14/1990EP0358229A2 Semiconductor optical device having a non-linear operational characteristic
03/14/1990EP0358208A2 Liquid crystal polyorganosiloxanes containing (meth)acryloxy groups
03/14/1990EP0358142A1 Liquid crystal cell with bubble traps
03/14/1990EP0357783A1 Secondary non-linear optical material and non-linear optical element prepared therefrom
03/14/1990EP0357727A1 2,3-difluorobenzene derivatives and their use as components of liquid crystal media.
03/14/1990EP0357702A1 Fluorinated oligophenyl derivatives.
03/14/1990EP0210215B1 Fluorinated phenyl esters and liquid crystal materials and devices containing them
03/14/1990CN1040443A 光纤放大器 Fiber Amplifier
03/13/1990US4908613 Display device
03/13/1990US4908609 Color display device
03/13/1990US4908584 Spatial light modulator using surface state photodiodes
03/13/1990US4908442 May have metal complexed therein
03/13/1990US4908065 Coating solution for use in the formation of metal oxide film
03/13/1990US4907863 Digital frequency synthesizer for use with precision AO scanning and positioning
03/13/1990US4907862 Method for generating elecronically controllable color elements and color display based on the method
03/13/1990US4907861 Thin film transistor, method of repairing the film transistor and display apparatus having the thin film transistor
03/13/1990US4907859 Liquid crystal device and image forming apparatus utilizing liquid crystal device
03/13/1990US4907856 Acoustooptic transducer arrangement for optical fibers
03/13/1990US4907850 Apparatus for periodically generating second harmonic
03/13/1990US4907849 Integrated-optic, polarization-selective phase modulator
03/13/1990CA1266677A1 Liquid crystalline materials and optical displays utilizing same
03/08/1990WO1990002348A1 Organic optical waveguides
03/08/1990WO1990002161A1 Thermochromic mixtures
03/08/1990WO1989012249A3 Optical light valve system for providing phase conjugated beam of controllable intensity
03/08/1990DE3829670A1 Liquid crystal display
03/07/1990EP0357463A2 Display device
03/07/1990EP0357435A2 Optically active aromatic compounds, preparation process therefor, liquid crystal materials and a light switching element
03/07/1990EP0357319A2 An interferometer
03/07/1990EP0357234A2 Encapsulated liquid crystal apparatus with a polymer additive
03/07/1990EP0357147A1 Display device
03/07/1990EP0357117A1 Liquid crystal display without visible divisions between adjacent pixels
03/07/1990EP0357115A1 Method for the application of spacers to a liquid crystal cell and device for carrying out this method
03/07/1990EP0356730A1 Method and device for accelerated driving of liquid-crystal display cells of the DHF type
03/07/1990EP0356723A2 Portable information record medium
03/07/1990EP0356458A1 Ferroelectric liquid crystal devices
03/07/1990CN1040213A Light modulating materials comprising liquid crystal microdroplets dispersed in birefringent polymeric matrix
03/06/1990US4907238 Apparatus for the efficient wavelength conversion of laser radiation
03/06/1990US4907040 Thin film Schottky barrier device
03/06/1990US4906984 Liquid crystal matrix display device with polarity inversion of signal and counter electrode voltages to maintain uniform display contrast