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)
09/1990
09/12/1990EP0387033A2 Method for driving display device
09/12/1990EP0387032A1 Trifluorobenzene derivatives and liquid crystal compositions containing the same
09/12/1990EP0386790A2 Method for controlling a polarization of light
09/12/1990EP0386782A2 Alignment film for liquid crystal and method for production thereof, as well as liquid crystal display device utilizing said alignment film and method for production thereof
09/12/1990EP0386576A2 Low molecular weight, discotic liquid crystal charge-transfer agent
09/12/1990EP0386350A1 Thin film ion conducting coating
09/12/1990EP0386341A1 Laminated glass structure
09/12/1990EP0386198A1 Thermochromic mixtures.
09/12/1990EP0386119A1 Microelectrochemical devices and method of detecting
09/12/1990EP0386118A1 Apparatus for displaying information
09/12/1990CN1045300A Method of and an apparatus for projecting a scanned two-or three-dimensional modulated light pattern originating from a light source
09/11/1990US4956650 Pattern generation system
09/11/1990US4955977 Electromagnetic radiation
09/11/1990US4955699 Thallium, selenium, arsenic, sulfur, phosphorus, vanadium, lead halide
09/11/1990US4955698 Opto-electronic indicating matrix, and indicating device provided therewith
09/11/1990US4955697 Liquid crystal display device and method of driving the same
09/11/1990US4955696 Liquid crystal driving system
09/11/1990US4955695 Liquid crystal display device
09/11/1990US4955685 Active fiber for optical signal transmission
09/11/1990CA1274010A1 Thermally compensated reference interferometer and method
09/11/1990CA1273791A1 Display forms using liquid crystals
09/10/1990WO1990010629A1 Optically active dioxolanylacrylic and dioxolanylpropionic acid esters containing a mesogenic residue, a process for manufacturing them and their use as doping agents in liquid crystal mixtures
09/10/1990CA2049008A1 Optically active dioxolanylacrylic and dioxolanylpropionic acid esters containing a mesogenic residue, a process for manufacturing them and their use as doping agents in liquid crystal mixtures
09/07/1990WO1990010357A1 Video display system
09/07/1990WO1990010248A1 Thin-film transistor
09/07/1990WO1990010247A1 Partially coherent optical system with scattering type object
09/07/1990WO1990009885A1 Small-particle semiconductors in rigid matrices
09/07/1990WO1990009884A1 Iii-v semiconductors in rigid matrices
09/05/1990EP0385866A2 Colour video printer
09/05/1990EP0385803A2 An optical element device
09/05/1990EP0385787A2 Method of producing connection electrodes
09/05/1990EP0385688A2 Ferroelectric liquid crystal composition and ferroelectric liquid crystal display device
09/05/1990EP0385685A2 Semiconductor device including cascaded modulation-doped quantum well heterostructures
09/05/1990EP0385671A2 Low loss waveguide intersection
09/05/1990EP0385656A2 A process for the production of a highly-orientated ultralong conjugated polymer
09/05/1990EP0385551A1 Switching unit for a display device and display device including such a switching unit
09/05/1990EP0385419A1 Liquid crystal display device
09/05/1990EP0385402A2 Optical directional coupler switch
09/05/1990EP0385346A2 Spatial light modulator and spatial modulating apparatus
09/05/1990EP0385329A2 Polymeric discotic liquid crystalline charge transfer complexes, their preparation and their use
09/05/1990CN2061700U Acousto-optical device of new-type radiator
09/05/1990CN1045200A 微片型激光器 Microchip laser
09/05/1990CN1009523B Method of driving display device and display device suitable for such method
09/04/1990USRE33321 Process for the production of a substrate for an electrically controlled device and display screen produced from such a substrate
09/04/1990USH822 Method of amplitude modulating a laser beam
09/04/1990US4955086 Reflection transmitter and receiver means for a bidirectional light waveguide communications system
09/04/1990US4955036 Semiconductor arrangement for producing a periodic refractive index distribution and/or a periodic gain distribution
09/04/1990US4954985 Ferroelectric liquid crystal data storage card
09/04/1990US4954951 System and method for increasing memory performance
09/04/1990US4954786 Optical amplifying device
09/04/1990US4954288 Acrylic ester or polysiloxane polymers
09/04/1990US4954217 Method for manufacturing liquid crystal device having electrode strips of no use
09/04/1990US4953955 Photovoltaic driven multiple quantum well optical modulator
09/04/1990US4953954 Phase-conjugate communication using mutually incoherent laser beams
09/04/1990US4953953 Method for producing a light output
09/04/1990US4953952 Color liquid crystal displaying panels
09/04/1990US4953949 Device for forming a picture
09/04/1990US4953943 Lithium niobate waveguide on lithium tantalate substrate
09/04/1990US4953934 Waveguide type light merging and branching device
09/04/1990US4953931 Lithium niobdate waveguides, lithium titanate substrate
09/04/1990CA1273515A1 Optical coupling
08/1990
08/30/1990DE3910048A1 Method for producing or inspecting microstructures on large-area substrates
08/30/1990DE3906068A1 Method and device for generating a non-linear interaction between two electromagnetic oscillations
08/30/1990DE3904797A1 Nichtlinear optische materialien mit vicinalen donor- und akzeptorgruppen Non-linear optical materials having vicinal donor and acceptor
08/29/1990EP0384811A1 Triophene compounds having a non-linear optical activity, materials and devices containing them
08/29/1990EP0384764A1 Fabry-Perot modulator
08/29/1990EP0384604A1 Optical interconnection systems
08/29/1990EP0384509A2 Display device with input function
08/29/1990EP0384409A2 Infrared sensor comprising a liquid crystal chopper
08/29/1990EP0384403A2 A method for controlling a multi-gradation display and a multi-gradation display device
08/29/1990EP0384364A2 A composition of nonlinear optical materials and a method for preparing the same
08/29/1990EP0384117A2 Simplified multi-cavity tunable optical filter using voltage-dependent refractive index
08/29/1990EP0384116A2 Multiple-cavity optical filter using change of cavity length
08/29/1990EP0383943A1 Light emitting device and method of producing the same
08/29/1990EP0383923A1 Polarizing isolation apparatus and optical isolator using the same
08/29/1990EP0383841A1 Four-pass phase conjugate optical amplifier system and method.
08/28/1990US4953166 Microchip laser
08/28/1990US4952984 Display device including lateral schottky diodes
08/28/1990US4952925 Projectable passive liquid-crystal flat screen information centers
08/28/1990US4952792 Optical device
08/28/1990US4952791 Monolithic apparatus comprising optically interconnected quantum well devices
08/28/1990US4952783 Light transmitting flexible film electrical heater panels
08/28/1990US4952699 Liquid-crystalline, 2,5-disubstituted, 1,3,4-thiadiazoles with extended smectic C phases
08/28/1990US4952640 Addition polymers having pendant isocyanato groups modified by an optically active compound; switches; light modulators
08/28/1990US4952337 Biphenyl esters and liquid crystal materials and devices containing them
08/28/1990US4952335 Ferroelectric chiral smectic liquid crystal composition
08/28/1990US4952036 High resolution LCD display system
08/28/1990US4952035 Gel layer between transparent substrates and protective plate;light scattering
08/28/1990US4952034 Liquid crystal projection display
08/28/1990US4952031 Liquid crystal display device
08/28/1990US4952030 Liquid crystal display device with a 50°-80° twist angle
08/28/1990US4952029 Two celled liquid crystal display device with dependency of birefringence on wavelength larger in first cell
08/28/1990US4952026 Integral optical element and method
08/28/1990US4952016 Optical power limiter
08/28/1990US4952014 Optical systems with thin film polarization rotators and method for fabricating such rotators
08/28/1990US4952013 Optical wavelength converter device
08/28/1990US4952010 Optical space switch
08/28/1990CA1273192A1 Liquid crystal droplets dispersed in thin films of uv- curable polymers
08/24/1990WO1990010246A1 Fabry-perot modulator
08/24/1990CA2010841A1 Small-particle semiconductors in rigid matrices