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)
02/1979
02/20/1979US4140371 Liquid crystal display devices
02/20/1979US4140369 Efficient light diffuser
02/20/1979CA1049124A1 Liquid crystal imaging system
02/20/1979CA1049123A1 Optical sensitization and development of liquid crystalline devices
02/13/1979US4139820 A.C. and D.C. voltage polarity indicator utilizing electrochromic cells
02/13/1979US4139279 Electronic instrument
02/13/1979US4139278 Liquid crystal display device
02/13/1979US4139277 Acousto-optic memory correlator
02/13/1979US4139276 Reversibility, stability
02/13/1979US4139275 Electrochromic display
02/13/1979US4139274 Apparatus for changing color
02/13/1979US4139273 Method for preparing and operating a smectic liquid crystal display cell having indefinite storage properties
02/13/1979US4139272 Electro-optic passive display device
02/13/1979US4139271 Display device
02/13/1979US4139259 Light distributor for optical communication systems
02/07/1979EP0000647A1 Optical crosspoint switch
02/07/1979EP0000638A1 Devices including epitaxial layers of dissimilar crystalline materials
02/07/1979EP0000616A1 Matrix addressable electrochromic display device
02/07/1979EP0000594A1 Electro-optical display device and method for operating same
02/06/1979US4138359 Liquid crystal composition and method for making same
02/06/1979US4138195 Electro-optic passive display device
02/06/1979US4138189 Holography using a Bi12 SiO or Bi12 GeO20 recording medium
02/06/1979CA1048183A1 Four-level voltage supply for liquid crystal display
02/06/1979CA1048180A1 Device for driving or energizing a display device
02/06/1979CA1047756A1 Faraday rotation glasses
01/1979
01/30/1979US4137524 Reversible printing display
01/30/1979US4137523 Digital display driving circuit
01/30/1979US4136933 Liquid crystal alignment film birefringence compensation
01/30/1979US4136932 Compound indicator device containing at least one liquid crystal cell
01/30/1979US4136439 Method for the production of a light conductor structure with interlying electrodes
01/24/1979EP0000422A1 Cathode ray tube using a screen comprising an electro-optical substance
01/23/1979US4136350 Garnet layer, iii-v semiconductor layer
01/23/1979US4136212 Method for the production of light conductor structures with interlaying electrodes
01/23/1979US4135790 Electrochromic element
01/23/1979US4135789 Seal for liquid crystal display
01/16/1979US4134640 Output/input coupler for multi-mode glass fibers
01/16/1979CA1046618A1 Liquid crystal display device
01/16/1979CA1046586A1 Stabilization of laser output
01/09/1979US4134008 Light retro-reflecting responser and data modulator arrangement
01/09/1979CA1046156A1 Charge controlled electrochromic devices
01/02/1979US4132984 Liquid crystal display
01/02/1979US4132465 Electrochrome element control device
01/02/1979US4132464 Color of solution of cellulose derivatives changes with temperature
12/1978
12/26/1978US4131334 Light polarizing materials, suspensions thereof, and process for manufacturing such suspensions
12/20/1978EP0000109A1 Method for manufacturing a liquid film display cell and display cell obtained by this method
12/20/1978EP0000104A1 Optically achromatized acoustooptic deflection apparatus
12/19/1978US4130766 Bucket brigade circuit
12/19/1978US4130502 Liquid crystalline cyclohexane derivatives
12/19/1978US4130408 Method of forming large liquid crystal cells
12/19/1978US4130342 Passive optical channel crossover, switch and bend structure
12/19/1978US4129983 Liquid crystal digital display electronic wristwatch
12/19/1978CA1044791A1 Electrochromic display electrolyte
12/12/1978CA1044308A1 Printer and display system
12/05/1978US4128815 Single transverse mode operation in double heterostructure junction laser
12/05/1978US4128772 Generation of tunable far-infrared radiation
12/05/1978US4128316 Thin electrochromic display
12/05/1978US4128315 Thin electrochromic display
12/05/1978US4128314 Liquid-crystal indicator
12/05/1978US4128313 Liquid crystal display with dark characters on light background
12/05/1978US4128312 Long life reflective liquid crystal display for dc operation
12/05/1978US4128311 Heater control method for liquid crystal devices
12/05/1978US4128300 Optical logic elements
12/05/1978US4128299 Waveguide optical modulator
12/05/1978CA1043898A1 Reflector for liquid crystal indicator and method of making
12/05/1978CA1043897A1 Variable spherulitic diffraction
12/05/1978CA1043890A1 Electrochromic display cell containing substituted bipyridinium salts as redox substances
12/05/1978CA1043889A1 Imaging method
12/05/1978CA1043888A1 Liquid crystal imaging system
12/05/1978CA1043887A1 Imaging system
11/1978
11/28/1978US4127853 Electrochromic display adapted for multiplexing
11/28/1978US4127848 Liquid crystal waveform displays
11/28/1978US4127321 Liquid crystal display apparatus
11/28/1978US4127320 Multimode optical modulator/switch
11/21/1978US4126901 Photovoltaic-ferroelectric correlation devices
11/21/1978US4126834 Bulk wave bragg cell
11/21/1978US4126528 Electrophoretic composition and display device
11/21/1978US4126456 Visual image recording device
11/21/1978US4126385 Acoustooptic material
11/21/1978US4126384 Self-illuminated liquid crystal display device
11/21/1978US4126383 Electrooptic display device
11/21/1978US4126382 Operational method for displaying images with liquid-crystal electro-optical devices, and apparatus therefor
11/21/1978CA1043007A1 Gain photocurrent device
11/21/1978CA1043006A1 Electrochromic display element and process
11/21/1978CA1042889A1 Phenyl pyrimidines
11/14/1978US4125842 Method for laser recording using zeroth order light and heat deformable medium
11/14/1978US4125319 Active light control device
11/14/1978US4125318 TIR modulator
11/14/1978US4125316 Integrated optical matrix multiplier
11/07/1978US4124524 Neodymium ultraphosphates and process for their preparation
11/07/1978US4124281 Scheme for terminal guidance utilizing acousto-optic correlator
11/07/1978US4124280 Acoustic-optic technique for processing many signals simultaneously
11/07/1978US4124279 Reflector focused light trap for a liquid crystal display
11/07/1978US4124278 Optical subtraction of images in real time
11/07/1978US4124273 Variable vergency focussing apparatus
11/07/1978US4124270 Monolithic, three-dimensional infrared waveguide for high power lasers
11/07/1978US4124268 Optical device for the storage and the selective erasure of information
11/07/1978US4123841 Electrochromic display device manufacture method
11/07/1978CA1042094A1 Imaging method
10/1978
10/31/1978US4123783 Magnetic bubble display systems
10/31/1978US4123671 Integrated driver circuit for display device