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)
02/1990
02/07/1990EP0353871A1 Binary tree switching network
02/07/1990EP0353760A2 Liquid crystal elements and conductive organic compound film-forming compositions
02/07/1990EP0353708A2 Ferroelectric liquid crystal composition
02/07/1990EP0353607A2 Non-linear optical device
02/07/1990EP0353606A2 Non-linear optical material and non-linear optical device employing it
02/07/1990CN1039449A Process for forming functional zinc oxide films using alkyl zinc compound and oxygen-containing gas
02/06/1990USH737 Light intensity compressor
02/06/1990US4899361 Optical filter device
02/06/1990US4898755 Hydrolyzing tetraalkoxysilane and forming glass monolith with microstructure incorporated organic component
02/06/1990US4898691 Organic nonlinear optical media
02/06/1990US4898456 Liquid crystal optical device
02/06/1990US4898441 Polarization controller
02/06/1990US4898440 Optical waveguide device
02/06/1990US4898436 Spatial light modulation in compound semiconductor materials
02/06/1990EP0277192A4 Liquid crystal display with capacitor connected in series.
02/06/1990CA1265642A1 Side chain liquid crystalline polymers exhibiting nonlinear optical response
02/06/1990CA1265603A1 Dispersed iridium based complementary electrochromic device
02/01/1990DE3825843A1 Verfahren zum aufbringen von distanzelementen einer fluessigkristallzelle A method for muster of distance elements of a fluessigkristallzelle
01/1990
01/31/1990EP0353069A2 Transmission liquid crystal display apparatus
01/31/1990EP0353057A2 Optical component and magnetic-field sensor using superposed single crystal elements having different optical properties
01/31/1990EP0352974A2 Polarization independent optical amplifier apparatus
01/31/1990EP0352844A2 Optical isolator, circulator, switch or similar device with a Faraday rotator
01/31/1990EP0352818A2 Color display apparatus
01/31/1990EP0352792A2 Liquid crystal device
01/31/1990EP0352751A2 Optical wavelength converter device and optical wavelength converter module
01/31/1990EP0352724A1 A liquid crystal display device
01/31/1990EP0352637A2 Ferroelectric liquid crystal composition, liquid crystal optical device produced by using the ferroelectric liquid crystal composition, and method of producing the liquid crystal optical device
01/31/1990EP0352636A2 Liquid crystal display device
01/31/1990EP0352578A2 Method of making thin anisotropic films on carriers with structured surfaces
01/31/1990EP0352302A1 Phase controlled light deflector
01/31/1990CN1039309A Optical isolator of garnet mouocrystal mingled with in, bi, ca and v
01/30/1990US4897845 Semiconductor optical amplifying element
01/30/1990US4897622 Single sideband waveguide modulator
01/30/1990US4897562 Process and apparatus for efficient sum and difference frequency generation
01/30/1990US4897290 Vacuum deposition from linear source at oblique angle
01/30/1990US4897216 Liquid crystals
01/30/1990US4896949 Acousto-optic tunable bandpass filter with strong sideband suppression
01/30/1990US4896948 Simplified double-cavity tunable optical filter using voltage-dependent refractive index
01/30/1990US4896947 Liquid crystal display cell
01/30/1990US4896946 Liquid crystal display device
01/30/1990US4896945 Liquid crystal cell array and method for driving the same
01/30/1990US4896936 Component mounted to substrate with overlying bridge-shaped supporte
01/30/1990US4896933 Higher harmonic generator
01/30/1990US4896932 Method of forming an optical fibre junction
01/30/1990US4896931 Frequency doubling device
01/30/1990US4896930 Optical functional device of an optical waveguide type
01/25/1990WO1990000757A1 Binary tree switching network
01/25/1990WO1990000756A1 Reflection-type liquid crystal electro-optical device and projection-type display device using the same
01/25/1990WO1990000587A1 Novel ferroelectric liquid-crystal polymers, process for producing said polymers and their use in electro-optical components
01/25/1990WO1990000586A1 Ferroelectric liquid-crystal polymers, process for producing same and their use in electro-optical components
01/25/1990WO1990000585A1 Ferroelectric liquid crystal polymers, process for producing the same and their use in electro-optical components
01/25/1990WO1990000584A1 Ferroelectric, liquid crystal polymers, process for producing the same and their use in electro-optic components
01/24/1990EP0352101A2 A double-layered type liquid-crystal display device
01/24/1990EP0352021A2 Optical amplifier with reduced nonlinearity
01/24/1990EP0352019A2 Optical communications modulator device
01/24/1990EP0352002A2 Optical nonreciprocal device
01/24/1990EP0351967A2 Improved optical combiner collimating apparatus
01/24/1990EP0351886A1 Process for the preparation of polycarbonate films with altered optical characteristics
01/24/1990EP0351832A2 Nonlinear optical material and nonlinear optical device
01/24/1990EP0351825A2 Modular flat-screen television displays and modules and circuit drives therefor
01/24/1990EP0351782A2 Optically active compounds liquid crystal composition containing said compound, and liquid crystal optical modulator using said composition
01/24/1990EP0351746A1 Optically active 1,3-dioxolane derivatives containing a mesogene group in position 4, method for their preparation and their use as doping agents in liquid-crystal mixtures
01/24/1990EP0351718A1 Liquid crystal display device comprising improved alignment layers for liquid crystal
01/24/1990EP0351422A1 Devices for producing microfilm and microfiche records
01/24/1990EP0224579B1 Smectic liquid crystalline phases
01/24/1990EP0179852B1 Doped and undoped single crystal multilayered structures
01/24/1990CN1039019A Liquid crystal cyclicpropylalkyl or alkenyl heterocyclic compounds, process for preparing same and use in liquid crystal compostion
01/24/1990CN1006582B Optical amplifiers
01/24/1990CN1006574B Photoelectrical transducing method for monitoring workpiece grooves and assembling condition during welding
01/23/1990US4896292 Apparatus for the reversible, optical storage of data
01/23/1990US4896260 Data processor having integrated circuit memory refresh
01/23/1990US4896149 Addressing structure using ionizable gaseous medium
01/23/1990US4896103 Current measuring magnetic field sensor having magnetooptic element with its easy axis of magnetization at right angles to the magnetic field generated by the current
01/23/1990US4895986 2,2'-difluoro-4-alkoxy-4'-hydroxydiphenyls and their derivatives, their production process and their use in liquid crystal display devices
01/23/1990US4895789 Method of manufacturing non-linear resistive element array
01/23/1990US4895705 Electroactive polymers
01/23/1990US4895671 Ferroelectric
01/23/1990US4895432 Display device having anti-reflective electrodes and/or insulating film
01/23/1990US4895422 Phase-matchable, single-mode fiber-optic device
01/23/1990US4895421 Dynamic couplers using two-mode optical waveguides
01/23/1990CA1264846A1 Double layer display
01/23/1990CA1264567A1 Integrated optics spectrum analyzer
01/18/1990DE3918884A1 Fluessigkristalline mischungen Mixtures Fluessigkristalline
01/17/1990EP0351284A2 Wavelength division multiplexer utilizing an optical fibre and colour display as application of the same
01/17/1990EP0351200A2 Liquid crystal display apparatus
01/17/1990EP0351172A2 Optical component or device including a plurality of electrooptic elements
01/17/1990EP0351133A2 Polarization insensitive optical communication device utilizing optical preamplification
01/17/1990EP0351108A2 Display device
01/17/1990EP0351092A2 Method for the formation of monomolecular adsorption films or built-up films of monomolecular layers using silane compounds having an acetylene or diacetylene bond
01/17/1990EP0350934A2 Liquid crystal apparatus
01/17/1990EP0350842A2 Pyramidal liquid crystals
01/17/1990EP0350709A2 Organic conductive complex
01/17/1990EP0350510A1 Ferroelectric liquid crystal composition
01/17/1990CN1038894A Matrix display devices
01/16/1990US4894836 Semiconductor device
01/16/1990US4894724 System and method for producing a flicker-free video image
01/16/1990US4894690 Thin film transistor array incorporating a shorted circuit bypass technique
01/16/1990US4894303 Optical glass, silver ion exchanging
01/16/1990US4894263 Mesomorphic polymer material usable in non linear optics
01/16/1990US4894254 Method of forming silicone film