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)
01/1982
01/05/1982US4309255 Electrochromic recording paper
01/05/1982US4309242 Method of manufacturing an electrostatically controlled picture display device
01/05/1982US4309084 Magneto-optical light modulator
01/05/1982US4309083 Electrode for an electrolytic cell particularly for electrolytic display cells and process of manufacture
01/05/1982US4309082 Electrochromic display apparatus
01/05/1982US4309081 Display devices
01/05/1982US4308658 Electrochromic display device manufacture method
12/1981
12/30/1981EP0042521A2 Method and apparatus for laser pulse compression
12/30/1981EP0042514A1 Planar wave guide lens, its application and manufacture
12/29/1981USRE30835 Self-supporting pigment layers for electrochromic display
12/29/1981US4308534 Multiplexing liquid crystal display device having different display formats
12/29/1981US4308533 Display element having improved spacing and through-connecting of plane-parallel electrode plates, and method of making
12/29/1981US4308442 Method of manufacturing an electro-optic display cell and cell obtained by carrying out this method
12/29/1981US4308162 Novel yellow azo dyes and dichroic liquid crystal compositions made therewith
12/29/1981US4307937 Optical modulators
12/29/1981US4307930 Light beam scanning device
12/29/1981US4307929 Method of scanning a laser beam in a straight line
12/29/1981CA1115402A1 Tunable optical waveguide directional coupler filter
12/29/1981CA1115398A1 Controlled emission in heterojunction structures
12/29/1981CA1115396A1 Ferrimagnetic faraday elements for ring lasers
12/23/1981EP0041982A1 A method for recording signals on bands by means of laser beams and apparatus for carrying out the method.
12/22/1981US4306775 Electrolytic display cell and control therefor
12/22/1981US4306774 Solid state electrochromic display
12/22/1981US4306773 Electrochromic display device having reduced film dissolution
12/16/1981EP0041890A1 Element with non-linear conductivity, and switching circuit, especially for image display with such an element
12/16/1981EP0041765A1 Method and apparatus for detecting optical signals under ambient light conditions
12/16/1981EP0041647A1 Infrared converter
12/15/1981US4306142 Optical modulation device
12/15/1981US4305807 Electrophoretic display device using a liquid crystal as a threshold device
12/09/1981EP0041184A2 Liquid-crystal display cell and method of manufacturing same
12/08/1981US4304465 Electrochromic display device
12/02/1981EP0040975A1 Method of preparation of a substrate for a liquid crystal display device, a positive display type liquid crystal display device, and a method of constructing such a device
12/01/1981US4303840 Single beam second harmonic generation in isotropic media
12/01/1981US4303554 Indium compound, polycarboxylic acid and anhydride
12/01/1981US4303310 Electrochromic display device
12/01/1981US4303309 Continuous high speed modulation of light with light
12/01/1981CA1113552A1 Optically-controlled two-channel integrated optical switch
11/1981
11/25/1981EP0040575A1 Optical gates and related control-circuit manufacture process
11/25/1981EP0040308A1 Liquid crystal display device
11/25/1981EP0040305A2 Non-reflecting electrooptic display
11/24/1981US4302751 Driver circuit for electrochromic displays
11/24/1981US4302352 Fluorophenylcyclohexanes, the preparation thereof and their use as components of liquid crystal dielectrics
11/24/1981US4302086 Liquid crystal indicator in camera finder
11/18/1981EP0040116A1 Device for view-taking with extended field
11/18/1981EP0040114A1 Optical real-time viewing system with scanning
11/18/1981EP0040033A1 Prism polarizer
11/18/1981EP0039966A2 A magneto-optic transducer device
11/18/1981EP0039883A1 Device for optically displaying data in colour
11/18/1981EP0039871A1 Two-dimensional display device with an electrically controlled fluid layer, and method of making the same
11/18/1981EP0039770A1 Passive electro-optic display element and process of making the same
11/17/1981US4300814 Method for balancing an integrated optical device and a device obtained by means of said method
11/17/1981CA1112750A1 Liquid crystal acousto-optic cell
11/17/1981CA1112463A1 Solid state analogue display with reduced connections
11/11/1981EP0039619A1 Projection television apparatus having improved optical configuration
11/11/1981EP0039475A1 Rotary annular signal data coupler
11/10/1981US4300137 Matrix driving method for electro-optical display device
11/10/1981US4299720 Liquid crystal mixture
11/10/1981US4299462 View finder device having liquid crystal cell
11/10/1981US4299449 Acoustooptic modulator
11/10/1981US4299448 Acousto-optic device
11/10/1981US4299447 Liquid crystal fiber optics large screen display panel
11/10/1981US4299444 Dimmable rear view mirror, particularly for automotive vehicles
11/10/1981CA1112345A1 Display device
11/04/1981EP0039220A1 Amorphous lithium fluoaluminate, a solid electrolyte comprising the same and devices including the same
11/04/1981EP0039180A2 Magneto-optical phase-modulating devices
11/04/1981EP0038905A1 Passive electro-optic display element
11/03/1981US4298870 Device for driving a display element having a memorizing property
11/03/1981US4298866 Liquid crystal display device having capacitance compensation
11/03/1981US4298802 Method and device for collecting light utilizing a light trap
11/03/1981US4298528 Cyclohexyl-dioxane liquid crystalline compounds
11/03/1981US4298448 Electrophoretic display
11/03/1981US4298250 Solid electrochromic devices
11/03/1981US4298249 Electro-optical display having an improved reflector and method of making
11/03/1981US4298245 Waveguides with a low birefringence
10/1981
10/29/1981WO1981003036A1 Sodalite photo and/or cathode-chromium material,method of producing it and sensitive element of a variable light transmission device made of that material
10/28/1981EP0038460A1 Liquid crystal materials comprising anthraquinone dyes
10/27/1981US4297697 Power supply method for liquid crystal display
10/27/1981US4297696 Color uniforming drive in an electrochromic display device
10/27/1981US4297515 Polarity; dissolving dopes or dichroitic dyes
10/27/1981US4297401 Liquid crystal display and photopolymerizable sealant therefor
10/27/1981US4297006 Protective membrane for electrochromic displays
10/27/1981US4297005 Persistent memory cell
10/27/1981US4297004 Liquid crystal display cell
10/27/1981CA1111537A1 Electrochromic devices
10/27/1981CA1111532A1 Honeycomb display devices
10/27/1981CA1111424A1 Photochromic compounds
10/21/1981EP0038165A1 Electro-optical device and electro-optical light controlling device
10/20/1981US4296457 Apparatus for electrically connecting a plurality of contacts
10/20/1981US4296016 Method of preparing a polymeric electrolyte particularly for an electro-optical device
10/20/1981US4295988 Magneto-optic Bi1 Lu2 Fe5 O12 crystals
10/20/1981US4295712 Liquid crystal display device
10/20/1981US4295711 Liquid crystal display device
10/15/1981WO1981002932A1 Electro-optic devices using stark-induced birefringence and dichroism
10/14/1981EP0037793A2 optical communication transmission system
10/14/1981EP0037680A1 Magneto-optic switch
10/13/1981US4295145 Acousto-optically modulated laser scanning arrangement for correcting for interference appearing therein
10/13/1981US4294524 Image or picture projecting system using electronically controlled slides
10/13/1981US4294520 Chromium/iii/ oxide, silicon dioxide, transition metal oxide
10/13/1981US4294519 Color density stabilizer for electrochromic display
10/13/1981US4294518 Dual mode light valve display