| 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) |
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| 04/01/1980 | US4196396 Interferometer apparatus using electro-optic material with feedback |
| 04/01/1980 | US4195917 Four-layer display electrode in an electrochromic display |
| 04/01/1980 | US4195916 Liquid crystal compounds |
| 04/01/1980 | US4195915 Liquid crystal image projector system |
| 04/01/1980 | US4195908 Magnetic mirror for imparting non-reciprocal phase shift |
| 03/25/1980 | US4195316 Apparatus and method for correcting imperfection in a polygon used for laser scanning |
| 03/25/1980 | US4194812 Electrochromic device |
| 03/25/1980 | CA1074430A1 Multi-color acoustooptic deflector |
| 03/25/1980 | CA1074429A1 Polymeric electrolyte for electrochromic display devices |
| 03/25/1980 | CA1074168A1 Photochromic particle consisting of agx crystal with an inorganic oxide coating |
| 03/20/1980 | WO1980001518A1 Light modulation device and its use for testing parts |
| 03/20/1980 | WO1980000501A1 Carrier for image recording of the image thereon and a device for implementation of that method |
| 03/19/1980 | EP0008848A1 Apparatus for recording optical data onto a movable light-sensitive material, including an acousto-optic modulator |
| 03/19/1980 | EP0008816A1 Liquid crystal display device |
| 03/19/1980 | EP0008750A1 Electrochromic display device |
| 03/18/1980 | US4194168 Unidirectional ring laser apparatus and method |
| 03/18/1980 | US4194162 Semiconductor device |
| 03/18/1980 | US4193691 Spectrometer |
| 03/18/1980 | US4193670 Electrochromic devices having protective interlayers |
| 03/18/1980 | US4193669 Liquid crystal device for direct display of analog information |
| 03/18/1980 | US4193287 Adhesive strips |
| 03/11/1980 | US4192581 Electrochromic display device |
| 03/11/1980 | US4192133 Electronic watch with means for producing pulse sound at selected intervals |
| 03/11/1980 | US4192060 Method of constructing liquid crystal display |
| 03/05/1980 | EP0008400A1 Display device comprising a liquid crystal cell and method of operating such a display device |
| 03/04/1980 | US4191955 Method of control for an analog display device of the non-continuous liquid crystal strip type |
| 03/04/1980 | US4191547 Method of making photosensitive colored glasses exhibiting alterable photo-anisotropic effects |
| 03/04/1980 | US4191454 Continuous silicon MOS AC light valve substrate |
| 03/04/1980 | US4191453 Iridium oxide based electrochromic devices |
| 03/04/1980 | US4191452 AC silicon PN junction photodiode light-valve substrate |
| 03/04/1980 | CA1073086A1 Field effect type liquid crystal display device |
| 02/26/1980 | US4190856 Three dimensional television system |
| 02/26/1980 | US4190832 Polarized windshield indicia reflection display system |
| 02/26/1980 | US4190811 Laser controlled optical switching in semiconductors |
| 02/26/1980 | US4190330 Variable focus liquid crystal lens system |
| 02/26/1980 | US4190329 Liquid crystal display cell of the reflection type |
| 02/26/1980 | CA1072666A1 Single transverse mode operation in double heterostructure junction laser |
| 02/26/1980 | CA1072664A1 Active light control device |
| 02/20/1980 | EP0008188A1 Liquid crystal compounds and materials and devices containing them |
| 02/19/1980 | US4189652 Beam splitter coupled CDSE optical parametric oscillator |
| 02/12/1980 | US4188096 Acousto-optical transducer |
| 02/12/1980 | US4188095 Liquid type display cells and method of manufacturing the same |
| 02/12/1980 | US4188094 Liquid crystal display having light indicia on a dark background |
| 02/06/1980 | EP0007885A1 Device for the selective display of a plurality of informations and method of manufacturing it |
| 02/06/1980 | EP0007613A2 Apparatus for spatially encoding a laser beam, comprising a Stark cell modulator |
| 02/06/1980 | EP0007574A1 Liquid-crystalline polymeric phase with a cholesteric structure, method for its preparation and its use |
| 02/05/1980 | US4187340 Method of forming patterned transparent electro-conductive film on the substrate of liquid crystal display |
| 02/05/1980 | US4187160 Method and apparatus for operating an electrophoretic indicating element |
| 02/05/1980 | US4187139 Growth of single crystal bismuth silicon oxide |
| 02/05/1980 | US4187109 Capable of photo-induced refractive index changes |
| 02/05/1980 | US4187027 Servo-control alignment of nonlinear crystals |
| 02/05/1980 | US4187004 Negative type display in electrochromic display device |
| 02/05/1980 | US4187003 Electrolyte for electrochromic display device |
| 02/05/1980 | US4186899 Controlled beam projector |
| 01/29/1980 | US4185895 Reflective mode, dynamic scattering liquid crystal display system having a Fresnel reflector for lighting |
| 01/29/1980 | US4185894 Dielectric reflector for selective wavelength reflection |
| 01/29/1980 | US4185884 Four port optical internal reflectance switchable coupler |
| 01/29/1980 | CA1070810A1 Optical projection device and an optical reader incorporating this device |
| 01/24/1980 | WO1980000106A1 Segmented image reconstruction employing distributed optics |
| 01/23/1980 | EP0007218A1 Photosensitive coloured glasses exhibiting alterable photo-anisotropic effects, production and use thereof |
| 01/23/1980 | EP0007197A1 Laser scanning utilizing facet tracking and acousto pulse imaging techniques |
| 01/23/1980 | EP0007110A1 Electrooptical Display |
| 01/23/1980 | EP0006996A2 Liquid crystal display with segmented electrodes and method of monitoring it |
| 01/22/1980 | US4185266 Display apparatus for motor vehicle |
| 01/22/1980 | US4184751 Phthalocyanine electrochromic display |
| 01/22/1980 | US4184738 Light coupling and modulating means |
| 01/22/1980 | CA1070150A1 Interferometric technique for determining ultrasonic wave intensity |
| 01/15/1980 | US4184153 Display apparatus having a passive electro-optical display |
| 01/15/1980 | US4183631 Electrochemically irreversible porous metal counterelectrode |
| 01/15/1980 | US4183630 Twisted nematic field effect mode liquid crystal display |
| 01/15/1980 | US4183629 Electronic optical display device and method of manufacturing the same |
| 01/15/1980 | US4183628 Electronic watch and display device for such watch |
| 01/15/1980 | US4183617 Thin film As2 S5 optical wave guide |
| 01/10/1980 | WO1980000038A1 Monitoring device for monitoring the segments of a liquid crystal display |
| 01/09/1980 | EP0006811A2 Metal precipitate electrolytic display cell and method to avoid an impoverishment of metal at certain zones of the counter-electrode of such a cell |
| 01/09/1980 | EP0006797A1 Electrolytic display cell with a reference electrode and controlled erasing voltage |
| 01/09/1980 | EP0006794A1 Method and device for controlling an electrolytic display cell |
| 01/09/1980 | EP0006793A1 Method and circuit arrangement for controlling an electrolytic display cell by means of a leakage current for the bleaching |
| 01/09/1980 | EP0006566A2 Liquid-crystal cell |
| 01/08/1980 | US4182700 Elastomeric polyurethane film containing dispersed discrete aggregates of liquid crystal and method of making the same |
| 01/08/1980 | US4182553 Honeycomb display devices |
| 01/08/1980 | US4182551 Electrochromic display device |
| 01/08/1980 | US4182544 Resonant multiplexer-demultiplexer for optical data communication systems |
| 01/08/1980 | US4182543 Ruggedized acousto-optic waveguide |
| 01/01/1980 | US4181899 High power optical second harmonic generation in non-linear crystals |
| 01/01/1980 | US4181756 Process for increasing display brightness of liquid crystal displays by bleaching polarizers using screen-printing techniques |
| 01/01/1980 | US4181563 Process for forming electrode pattern on electro-optical display device |
| 01/01/1980 | US4181554 Using piston |
| 01/01/1980 | US4181515 Nucleation of molten core material in temperature gradient fiber to produce clad single crystal |
| 01/01/1980 | US4181406 Electrochromic display device |
| 01/01/1980 | US4181399 Optical internal reflectance switchable coupler |
| 01/01/1980 | CA1068950A Variable light transmissive electro-optical lenses |
| 12/25/1979 | US4180751 Mode-locked optical parametric oscillator apparatus |
| 12/25/1979 | US4180475 Positive anisotropy of dielectric constants |
| 12/18/1979 | US4179194 Electrically controllable wide angle of view optical notch filter |
| 12/18/1979 | US4179184 Electrooptical modulator |
| 12/18/1979 | CA1068423A1 Liquid crystal display device |
| 12/13/1979 | WO1979001085A1 Selective display device for a plurality of informations |
| 12/12/1979 | EP0006039A1 Method of interconnecting the connection terminals of electrical assemblies |
| 12/12/1979 | EP0005816A1 Visual-display apparatus for producing variable and fixed information |