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)
12/1980
12/10/1980EP0019709A1 Circuitry for controlling an information display panel
12/10/1980EP0019692A1 Electrolyte for an electrochromic display and an electrochromic display cell comprising this electrolyte
12/10/1980EP0019667A1 Fixing means for a liquid crystal display device on a support plate
12/09/1980US4238276 Process for producing liquid crystal display element
12/02/1980US4237026 Liquid crystalline carboxylic acid esters
12/02/1980US4236792 Electrochromic display and method for making same
12/02/1980US4236791 Liquid crystal illuminator having ellipoidal light guide
12/02/1980US4236785 Non linear thin layer optical device
12/02/1980US4236783 Electrically-controlled optical branch connection
12/02/1980US4236782 Device for modulating optical radiation by a variable magnetic field
12/02/1980CA1090556A1 Ferroelectric ceramic materials
11/1980
11/26/1980EP0019278A1 Electrooptic light deflector
11/26/1980EP0019229A1 Device for displaying an image in front of an optically contrasting background
11/26/1980EP0019208A1 Method of making a passive electrooptic display device
11/26/1980EP0019060A1 Diketones, process for their preparation and their use as components of liquid-crystalline dielectrics
11/25/1980US4236243 Telecommunication systems
11/25/1980US4236156 Switching of thermochromic and pressure sensitive films with surface acoustic waves
11/25/1980US4236155 Liquid crystal display device
11/25/1980US4236150 Liquid crystal display system
11/25/1980US4235663 Oxides of bismuth, germanium, gallium and group 2a
11/25/1980US4235528 Ceramics for electrochromic display
11/25/1980US4235527 Display device comprising a light valve unit in conjunction with the fluorescent plate
11/25/1980US4235526 Liquid crystal display cell having a light field background
11/25/1980US4235525 Liquid crystal display cell having a light field background
11/25/1980US4235516 Complex spatial modulator
11/25/1980US4235113 Optical fiber acoustical sensors
11/25/1980CA1090494A1 Electronic analogue waveform displays
11/25/1980CA1090372A1 Optically active cyano-biphenyl compounds and liquid crystal materials containing them
11/25/1980CA1090160A1 Optical phase modulation instruments
11/18/1980US4234554 Stable crystalline lithium nitride and process for its preparation
11/18/1980US4234245 Light control device using a bimorph element
11/18/1980CA1089964A1 Displaying magnetic panel and its display device
11/18/1980CA1089657A1 Digital electronic timepiece with multiple display
11/13/1980WO1980002462A1 Electrochromic display using rare-earth diphthalocyanines and a low-freezing-point electrolyte
11/11/1980US4233603 Multiplexed varistor-controlled liquid crystal display
11/11/1980US4233571 Laser having a nonlinear phase conjugating reflector
11/11/1980US4233339 Method for making electrochromic films having improved etch resistance
11/11/1980US4232952 Acousto-optic device
11/11/1980US4232949 Liquid crystal compositions containing pleochroic dye
11/11/1980US4232948 Liquid crystal display device
11/11/1980US4232947 Field effect mode liquid crystal display
11/11/1980US4232946 Passive electro-optica display cell
11/04/1980US4231641 Electro-optic device
11/04/1980US4231640 Matrix type liquid crystal display panel
11/04/1980US4231639 Poly-layer liquid crystal display device
11/04/1980CA1089114A1 Method of producing a dielectric of two-layer construction
11/04/1980CA1089067A1 Electro-optical modulator/deflector
11/04/1980CA1089066A1 Shifting of co.sub.2 laser radiation using rotational raman resonances in h.sub.2 and d.sub.2
11/04/1980CA1089063A1 Surface orientated liquid crystal display devices
11/04/1980CA1089062A1 Phthalocyanine electrochromic display
11/04/1980CA1089061A1 Electrochromic display device
10/1980
10/30/1980WO1980002329A1 Electro-optical converter
10/29/1980EP0018180A1 Liquid crystal cell
10/29/1980EP0018150A1 Circuit arrangement for controlling a multi-beam acousto-optical cell
10/29/1980EP0018070A1 Analogue displays
10/29/1980EP0017977A2 Electrochromic display device
10/29/1980EP0017922A1 Diffusing surface structure for a light guide in an information display device
10/28/1980US4231068 Optical screens
10/28/1980US4231035 Liquid crystal display for large time multiplexing factors
10/28/1980US4231034 Display device for illustrating variable and fixed information
10/28/1980US4230408 System for overall color correction of color picture information contained in a projecting multi-color light beam
10/28/1980CA1088343A1 Spectrometer
10/21/1980US4229783 Backlight for electrooptic display
10/21/1980US4229732 Micromechanical display logic and array
10/21/1980US4229648 Additive color system with compensation of repeatability errors of variable-density electrooptical filter units
10/21/1980US4229315 Liquid crystalline cyclohexane derivatives
10/21/1980US4229080 Additional electrode of electrochromic display and refreshing method for the same
10/21/1980US4229079 Electro-optic modulator with improved acousto-optic suppression, heat transfer and mechanical support
10/21/1980US4229073 Iso-index coupled-wave electro-optic filters
10/21/1980US4229072 Color display system using magneto-optic screen having a dispersive Faraday coefficient
10/21/1980US4229071 Electro-optical switching apparatus
10/21/1980US4228574 Electrode patterns on strips
10/15/1980EP0017571A1 Light intensity modulator in integrated optics and integrated optical circuit comprising such a modulator
10/15/1980EP0017528A1 Electrically controllable optical attenuation device and image pick-up device comprising this device
10/15/1980EP0017240A1 Liquid crystal display device
10/15/1980EP0017087A2 Display method and display device for carrying out this method
10/14/1980US4228449 Semiconductor diode array liquid crystal device
10/14/1980US4228431 Electrochromic display device
10/14/1980US4228030 Liquid crystal compositions
10/14/1980US4227779 Hermetic seal for electrochromic display
10/14/1980US4227778 Liquid crystal material mixtures and devices incorporating such mixtures
10/14/1980US4227777 Liquid crystal display cell
10/14/1980US4227775 Colloidal light valve having enhanced image contrast
10/14/1980CA1087766A1 Electrochromic display device
10/14/1980CA1087717A1 Electrochromic display device
10/14/1980CA1087716A1 Electrochromic display device
10/14/1980CA1087690A1 Optical communication system utilizing light emitting diode
10/07/1980US4227201 CCD Readout structure for display applications
10/07/1980US4227193 Method and apparatus for matrix addressing opto-electric displays
10/07/1980US4227192 Drive system for liquid crystal display device
10/07/1980US4226509 Display device comprising a liquid display medium
10/02/1980WO1980002079A1 Liquid crystal display panel and process for producing same
10/01/1980EP0016428A2 Device for improving the legibility of passive displays
10/01/1980EP0015902A1 Three dimensional television system
09/1980
09/30/1980US4225216 Tungsten niobate electrochromic device
09/30/1980CA1086847A1 Optical display having novel casing structure
09/30/1980CA1086846A1 High-speed electro-optical shutter
09/30/1980CA1086844A1 Electrophoretic image display device
09/30/1980CA1086843A1 Information display device having a liquid crystal cell
09/29/1980EP0011644A4 Liquid crystal device.