Patents
Sitemap › G02 - Optics › G02F - Devices or arrangements, the optical operation of which is modified by changing the optical properties of the medium of the devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light, e.g. switching, gating, modulating or demodulating; Techniques or procedures for the operation thereof; Frequency-changing; Non-linear optics; Optical logic elements; Optical analogue/digital converters › 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
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)
04/1981
04/29/1981EP0027755A1 Electrolytic display cell comprising an electrolyte containing two metal salts for increasing the memory period
04/29/1981EP0027551A1 CCD driven integrated optical modulator array
04/28/1981US4264970 Liquid crystal display cell for an electronic timepiece
04/28/1981US4264193 Image converting and projecting method and apparatus for carrying out the same
04/28/1981US4264150 Electrochromic display with lyophilic treatment separator
04/28/1981US4264149 Liquid crystal display device
04/28/1981US4264148 Liquid crystal display devices having an induced cholesteric phase
04/28/1981US4264147 Indicator device having electro-optical light valve unit
04/28/1981US4264135 Method and apparatus for converting steady light into output light comprised of periodic high amplitude pulses
04/28/1981US4264125 Transmissive surface layer effect electro-optic device for use in optical modulators and the like
04/21/1981US4263594 Electro-optical display design
04/21/1981US4262994 Electro-optically balanced multi-piece optical waveguides
04/21/1981US4262993 Electrooptically balanced alternating Δβ switch
04/21/1981US4262992 Variable integrated optical logic element
04/21/1981CA1099809A1 Electro-optic display methods
04/14/1981US4261799 Electrolytic process for generating erasable pictures on a solid substrate
04/14/1981US4261653 Light valve including dipolar particle construction and method of manufacture
04/14/1981US4261652 Liquid crystal compounds and materials and devices containing them
04/14/1981US4261651 Liquid crystal compounds
04/14/1981US4261650 Method for producing uniform parallel alignment in liquid crystal cells
04/14/1981CA1099091A1 Picture display cell with memory effect
04/08/1981EP0026299A1 Method of producing heat resistant relief structures, relief structures produced thereby and their use
04/07/1981US4260225 Energy saving radiant insulative device
04/07/1981US4260224 Multi-layer liquid crystal panel
04/07/1981CA1099040A1 Photoconductor control of electro-optically variable display cell
04/02/1981WO1981000916A1 Optical switch
04/02/1981WO1981000853A1 Liquid crystal material with low value of optical anisotropy and method of making it
04/01/1981EP0026128A1 Device for holographic storage and optical information processing system using such a device
04/01/1981EP0026127A1 Display device with memory
04/01/1981EP0026004A1 Liquid crystals mixture
04/01/1981EP0025821A1 Device for electro-optically controlling a light beam
04/01/1981EP0025809A1 Liquid crystals mixture
03/1981
03/31/1981US4258984 Iridium oxide based electrochromic devices
03/31/1981CA1098606A1 Liquid crystal device for direct display of analog information
03/25/1981EP0025590A1 Liquid cell display device
03/25/1981EP0025586A1 Device for optical coupling
03/25/1981EP0025517A1 Reflectively operated Schadt-Helfrich display device
03/25/1981EP0025457A1 Liquid crystal display panel and process for producing same
03/24/1981US4258364 Display device having adjoining display elements, and a method of producing the display device
03/24/1981US4257911 Liquid crystal materials
03/24/1981US4257910 Liquid crystal of diester type exhibiting a smectic phase, with low frequency of dielectric isotropy, and display device utilizing this crystal
03/24/1981US4257685 Acousto-optic device
03/24/1981US4257684 Electrochromic segments formed on a display electrode in an electrochromic display cell
03/24/1981US4257683 Electrochromic display
03/24/1981US4257682 Liquid crystal color display cell
03/18/1981EP0025386A1 Electrically driven opto-electrical switch and integrated optical circuit comprising such a switch
03/18/1981EP0025250A1 Display device
03/17/1981US4257046 Simultaneous color and bleach of ECD
03/17/1981US4257041 Electro optical display device
03/17/1981US4257016 Piezo-optic, total internal reflection modulator
03/17/1981US4256962 Laser pulse superimposing
03/17/1981US4256787 Liquid crystals, grooves, polarization
03/17/1981US4256405 Scanning spectrometer
03/17/1981US4256383 Electro-optical display
03/17/1981US4256382 Liquid crystal devices having uniform thermal expansion coefficient components
03/17/1981US4256380 Counter electrode arrangement of an electrochromic display device
03/17/1981US4256379 Electrochromic device
03/17/1981US4256377 Process for producing homeotropic orientation layers for liquid crystal devices and the resultant liquid crystal devices
03/17/1981US4256376 Electro-optical display element
03/17/1981US4256372 Catadioptric lens system with light transmission control means
03/17/1981US4255853 Method for interconnecting the terminals of electrical assemblies
03/17/1981US4255848 Method for the manufacture of a set of passive electro-optic display cells
03/17/1981CA1097786A1 Method and apparatus for forming visible images
03/11/1981EP0024544A2 Electrochromic cell with improved electrolyte system
03/11/1981EP0024483A1 Electric heating device for a liquid-crystal cell
03/11/1981EP0024482A2 Non-reflecting liquid crystal display
03/10/1981US4255474 Alloy, insulative oxide layer
03/10/1981US4255238 Prevention of parasitic reactions, erasure pulse
03/10/1981US4255017 Tunable source of coherent electromagnetic radiation based on modulational instability
03/03/1981US4254489 Electro-optical time-indicating system
03/03/1981US4253742 Lithium ionic conductor
03/03/1981US4253741 Electrochromic display device
03/03/1981US4253740 Liquid crystal materials and devices containing them
03/03/1981US4253734 Electro optical modulation system
03/03/1981US4253733 Generator of a harmonic of laser light
03/03/1981US4253728 Multimode electrically switched optical port
03/03/1981US4253725 Single sideband scanner
03/03/1981CA1096670A1 Multiwavelength light beam deflection and modulation
02/1981
02/24/1981US4253096 Method for addressing an electro-optical device, and an addressing circuit and a display device for carrying out the method
02/24/1981US4253060 RF Spectrum analyzer
02/24/1981US4252442 Adjusting method and apparatus for positioning planar components
02/24/1981US4252418 Electrochromic display device
02/24/1981US4252417 Liquid crystal display
02/24/1981US4252416 Optical instrument for gathering and distribution of light
02/24/1981US4252415 Liquid crystal cell and process for its production
02/24/1981US4252414 Liquid crystal display element
02/19/1981WO1981000463A1 Display device with dynamic internal polarizer
02/17/1981US4251825 Non-impact printer using a modulated light beam
02/17/1981US4251806 Message character image projection control system
02/17/1981US4251138 Method of producing solid electrochrome element
02/17/1981US4251137 Tunable diffractive subtractive filter
02/17/1981US4251136 LCDs (Liquid crystal displays) controlled by thin film diode switches
02/17/1981US4251130 Velocity matched optical gate
02/17/1981US4250952 Strand guiding means for guiding a strand in a continuous casting plant
02/17/1981US4250603 Method of making electroded wafer for electro-optic devices
02/17/1981CA1096071A1 Elevator system
02/17/1981CA1096023A1 Fast turn-off nematic liquid optical devices
02/17/1981CA1096020A1 Reversible electrochromic display device having memory
02/11/1981EP0023834A2 Fiber optic transducers
02/11/1981EP0023796A2 Method and apparatus for multi-mode image display with a liquid crystal light valve
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