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)
07/1982
07/27/1982US4341445 Liquid crystal display element and production thereof
07/27/1982CA1128632A1 2-methyl-4-nitro-aniline nonlinear optical devices
07/27/1982CA1128347A1 Polarization independent optical circulator
07/22/1982WO1982002445A1 Identification of articles
07/21/1982EP0056334A1 Thin film electro-optic line printer
07/21/1982EP0056113A1 Cyclohexylcarbonitrile derivatives, dielectrics and electro-optic display device containing them
07/21/1982EP0056084A1 Electrostatically deformographic switches
07/20/1982US4340624 Electrochromic display device
07/20/1982US4340278 Electrochromic device
07/20/1982US4340277 Liquid crystal display and method of making
07/20/1982US4340272 Light intensity modulator in an integrated optical circuit with feedback means
07/20/1982CA1128183A1 Acousto-optic multiplexing and demultiplexing
07/20/1982CA1128180A1 Tunable 16-micron coherent source including parahydrogen raman transition and method
07/14/1982EP0055966A2 Matrix display device with two sets of line electrodes and addressing method therefor
07/14/1982EP0055842A2 Mixtures of dyestuffs and liquid-crystal materials containing these mixtures
07/14/1982EP0055838A2 Liquid cristalline material containing disazodyes
07/13/1982US4339513 Radiation transparent resin, tetrazine compound
07/13/1982US4338821 Liquid crystal cell for acoustical imaging
07/08/1982WO1982002209A1 Liquid crystal compositions with novel tris-azo dichroic dyes
07/07/1982EP0055317A1 Electrochromic display module and reflective projection system therefor
07/06/1982US4338600 Liquid crystal display system having temperature compensation
07/06/1982US4338578 Multicolor pulsed coherent-light source
07/06/1982US4338000 Infrared reflection
07/06/1982US4337999 Fluorescent liquid crystal display compositions and devices
06/1982
06/30/1982EP0055153A1 Drive apparatus for a display screen and display screen driven by this apparatus
06/30/1982EP0054837A1 Liquid crystal compositions with tris-azo dichroic dyes
06/30/1982EP0054587A1 Metal diphthalocyanine electrochromic displays and electrolytes therefor
06/29/1982US4336982 MgF2 Coating for promoting adherence of thin films to single crystal materials
06/29/1982US4336981 Simultaneous multi-beam optical modulation system
06/29/1982US4336980 Fluorescent liquid crystal display devices
06/24/1982WO1982002054A1 Novel yellow azo dyes and dichroic liquid crystal compositions made therefrom
06/23/1982EP0054411A1 Optical arrangement for optically coupling optical fibres
06/23/1982EP0054217A1 Anthraquinone dyes, process for their preparation, their use, as well as liquid-crystal material containing anthraquinone dyes
06/22/1982US4335939 Optical modulators and apparatus including such modulators
06/22/1982US4335938 Electrochromic cells with improved electrolyte system
06/22/1982US4335937 Electrode assembly of a liquid crystal display
06/22/1982US4335936 Matrix electrode structure in a multi-layer matrix type liquid crystal display
06/22/1982CA1126424A1 Liquid crystal display for large time-multiplexing factors
06/16/1982EP0053975A1 Liquid crystal display
06/16/1982EP0053957A1 Switching device for optical bundles and telephone exchange comprising such a device
06/15/1982US4335161 Vacuum deposition through mask
06/15/1982US4334735 Thermo-optic liquid-crystal device for real-time display of animated images
06/15/1982US4334734 Optical apparatus for the reproduction of images using a liquid crystal cell
06/08/1982US4333720 Stop control device
06/08/1982US4333715 Moving picture apparatus
06/08/1982US4333710 Electrode system for electrolytic display means with seven segments
06/08/1982US4333709 Mixture of disc-like liquid crystals, electro-optical device using such a mixture and process for orienting the molecules of the mixture
06/08/1982US4333708 Mechanically multistable liquid crystal cell
06/02/1982EP0052892A2 Laser beam scanning system
06/01/1982US4333165 Three-dimensional pattern making methods
06/01/1982US4333098 Process for the three step-multiplex control of electro-optical display arrangements and circuit for effectuating the process
06/01/1982US4332882 Polyimidazoles and polyimidazopyrrolones
06/01/1982US4332441 Coherently pulsed laser source
06/01/1982US4332440 Containing 2-tert-butly anthraquinone, 2-ethyl anthraquinone and benz(a)anthracene-7,12-dione as active materials
05/1982
05/25/1982US4331891 High power efficient frequency conversion of coherent radiation with nonlinear optical elements
05/25/1982US4331758 Process for the preparation of large area TFT arrays
05/25/1982US4331552 Liquid crystalline, partially hydrogenated oligo-1,4-phenylenes and dielectrics and electro-optical display elements containing them
05/25/1982US4331387 Electro-optical modulator for randomly polarized light
05/25/1982US4331386 Electrochromic display cell
05/25/1982US4331385 Electrochromic display device
05/25/1982CA1124379A1 Iridium oxide based electrochromic devices
05/25/1982CA1124372A1 Liquid crystal display device
05/25/1982CA1124371A1 Display device
05/19/1982EP0052000A2 Variable colour filters
05/19/1982EP0051999A1 Intercalated layered mixed oxides
05/19/1982EP0051940A1 Annealing process for a thin-film semiconductor device and obtained devices
05/19/1982EP0051768A1 Liquid crystal indicator device
05/19/1982EP0051738A1 Cyclohexyl-biphenyl derivatives that contain fluor, dielectrics containing them and electro-optical indicating element
05/18/1982US4330813 Illuminating device for large screen
05/18/1982US4330721 Apparatus for generating temporally shaped, laser pulses
05/18/1982US4330426 Cyclohexylbiphenyls, their preparation and use in dielectrics and electrooptical display elements
05/18/1982US4330178 Illuminated subject matter image dissecting and elemental light output alignment control means
05/12/1982EP0051521A1 Process for controlling an optical characteristic of a material
05/12/1982EP0051397A2 Thin film transistor array manufacture
05/12/1982EP0051396A2 Process for preparing thin film transistor arrays
05/12/1982EP0051394A1 Electrooptical modulator
05/12/1982EP0051356A1 Electro-optic devices
05/11/1982US4329664 Generation of stable frequency radiation at an optical frequency
05/05/1982EP0050734A1 Electrochromic device containing acid copolymer electrolyte
05/04/1982US4328576 Wide band demodulator of phase modulated signals
05/04/1982US4328493 Liquid crystal color displays
05/04/1982US4327971 Electro-optical light modulators, light wavelength multiplex signal transmitting apparatus and light wavelength separating switches utilizing the same
05/04/1982US4327970 Display device for optically representing information and a method of operation
04/1982
04/29/1982EP0041982A4 A method for recording signals on bands by means of laser beams and apparatus for carrying out the method.
04/28/1982EP0050426A1 Liquid crystal display device
04/28/1982EP0050415A1 Process for forming a pattern of transparent conductive material
04/28/1982EP0050357A1 Liquid crystal display element and process for production thereof
04/28/1982EP0015914B1 Monitoring device for monitoring the segments of a liquid crystal display
04/27/1982US4326929 Coating a photoresist overlay
04/27/1982US4326777 Electrochromic display device
04/27/1982US4326776 Matrix electrode construction
04/21/1982EP0050059A1 Hybrid optical junction and application to a ring interferometer
04/21/1982EP0050023A1 Liquid crystal devices
04/20/1982US4326279 Analogue displays
04/20/1982US4325830 Three ring dioxane liquid crystalline compounds
04/20/1982US4325611 Electrochromic material and electro-optical display using same
04/20/1982US4325610 Sealing agent for plastic liquid crystal display panels
04/20/1982CA1122310A1 Stokes injected raman capillary waveguide amplifier
04/15/1982WO1982001191A1 Composition for liquid crystal color display
04/14/1982EP0049622A1 Electro-optic wave guide modulator