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)
09/1989
09/19/1989US4867537 Color liquid crystal display device
09/19/1989US4867536 Color selectable liquid crystal display system
09/19/1989US4867532 Wavelength selection device having a diffraction grating mounted on a torsion member
09/19/1989US4867522 Wavelength sensitive optical devices
09/19/1989US4867517 Fail-safe acousto-optic T-couplers for optical communication networks
09/19/1989US4867516 Electro-optically induced optical waveguide, and active devices comprising such a waveguide
09/19/1989US4867515 All-optical modulator with a channel waveguide
09/19/1989US4867510 Device and method for doubling the frequency of elecromagnetic radiation of a given frequency
09/19/1989CA1259686A1 Projection type liquid crystal display device
09/19/1989CA1259510A1 Fiber optic modal coupler
09/19/1989CA1259508A1 Single mode fiber optic saturable absorber
09/14/1989DE3906924A1 Grey-scale imaging method having a pixel-matrix display device
09/13/1989EP0332476A1 Active colour matrix display screen without intersection of the addressing columns and rows conductors
09/13/1989EP0332456A2 Light modulation element
09/13/1989EP0332401A2 Improvements in liquid crystal displays
09/13/1989EP0332312A1 Display device
09/13/1989EP0332024A1 Heterocyclic derivatives of 1,2-difluorobenzene
09/13/1989EP0332007A1 Derivatives of 2,3-difluorohydroquinone
09/13/1989EP0332006A1 Smectic liquid-crystal composition
09/13/1989EP0332005A1 Supertwist liquid-crystal display
09/13/1989EP0331933A2 Liquid crystal mixture with a low optical anisotropy
09/13/1989EP0331861A1 Device for controlling the transmission of a protective light filter
09/13/1989EP0331724A1 Single-schottky diode liquid crystal light valve and method
09/13/1989EP0331722A1 Multicolor light valve imaging apparatus having electrode constructions for uniform transmission
09/12/1989US4866720 Multicolored laser source
09/12/1989US4866593 Photosensitive printing apparatus
09/12/1989US4866529 Optical relay providing a projected image presenting characters having an enhanced readability
09/12/1989US4866489 Semiconductor device
09/12/1989US4866406 Wide-band optical modulator
09/12/1989US4865763 Low temperature stability
09/12/1989US4865430 Acrylic copolymers exhibiting nonlinear optical response
09/12/1989US4865429 Apparatus for suppressing backward propagation along an optical path, comprising magnetic configurations that improve the Faraday effect
09/12/1989US4865428 Electrooptical device
09/12/1989US4865427 Spatial light modulator
09/12/1989US4865425 Power source device for driving liquid crystal
09/12/1989US4865408 Low crosstalk reversed Δβ electrodes for directional coupler switch
09/12/1989US4865406 Supported polymeric thin film exhibiting second order nonlinea r optical response
09/12/1989CA1259203A1 Electro-optic high-temperature well bore modulator
09/08/1989WO1989008340A2 Laser amplifier
09/08/1989WO1989008278A1 Polarizing isolation apparatus and optical isolator using the same
09/08/1989WO1989008102A1 Laterally fluorinated 4-cyanophenyl and 4'-cyanobiphenyl benzoates
09/06/1989EP0331480A2 Laser amplifier
09/06/1989EP0331477A2 Organic dye thin film and organic thin film element
09/06/1989EP0331462A1 Liquid crystal cell window
09/06/1989EP0331326A1 Projection display apparatus
09/06/1989EP0331233A2 Method of manufacturing a laminated element and the element thus obtained
09/06/1989EP0331209A1 Electrochromic material
09/06/1989CN1035393A Low-pressure mercury vapour discharge lamp
09/05/1989USH668 Nonlinear optical apparatus using optical fibers
09/05/1989US4864649 Driver circuit for driving a light emitting element by superimposing an analog sub-information signal over a digital main signal
09/05/1989US4864538 Method and apparatus for addressing optical data storage locations
09/05/1989US4864390 Display system with equal path lengths
09/05/1989US4864360 Exposure apparatus
09/05/1989US4864290 Display device
09/05/1989US4864168 Process for controlling an optical pnpn thyristor to be driven
09/05/1989US4864008 Polyimide monomers
09/05/1989US4863574 Method of manufacturing a film of polyparaphenylene and applications of the resulting polyparaphenylene film
09/05/1989US4863245 Superlattice electrooptic devices
09/05/1989US4863244 Electro-optic welding lens assembly
09/05/1989US4863230 Optically controlled selector
09/05/1989CA1259148A1 Composite photochromic lenses
08/1989
08/30/1989EP0330500A2 Magneto-optic garnet
08/30/1989EP0330450A2 Liquid crystal display device
08/30/1989EP0330446A2 Liquid crystal image projection system
08/30/1989EP0330437A1 VLSI optimized modulator
08/30/1989EP0330428A2 Multicolor filter for display device
08/30/1989EP0330361A2 Color display device
08/30/1989EP0330216A2 A liquid crystal compound
08/30/1989EP0329887A1 Liquid crystal display device
08/30/1989CN1035184A Controllable light wave guide light beam self addressing field scannin and small angle line scanning method
08/30/1989CN1035102A Method of producing thin film patterns on glass substrate
08/30/1989CN1005082B Liquid crystals displaying device
08/29/1989USRE33040 Electrochromic display device
08/29/1989US4862153 Flat display panel with framing for flexible substrate folding
08/29/1989US4861992 Testing of thermal imagers
08/29/1989US4861976 Optical or opto-electronic device having a trapping layer in contact with a semiconductive layer
08/29/1989US4861143 Liquid crystal display capable of displaying grey tone
08/29/1989US4861141 Electro optical device and method for manufacturing same
08/29/1989US4861130 Optical modulating device utilizing polariton substance
08/29/1989US4861129 Light switch or modlator
08/29/1989US4861126 Low temperature intrinsic gettering technique
08/24/1989WO1989007822A1 Optical storage devices
08/24/1989WO1989007821A1 Optical storage devices
08/24/1989WO1989007782A1 Optical frequency mixer
08/23/1989EP0329613A2 Organic materials having non-linear optical properties
08/23/1989EP0329528A1 Method of controlling a matrix display screen, and device for carrying out this method
08/23/1989EP0329442A2 Frequency conversion of optical radiation
08/23/1989EP0329429A1 Optical frequency mixer
08/23/1989EP0329428A2 Photoconductive imaging apparatus
08/23/1989EP0329427A2 Thin light blocking layers
08/23/1989EP0329328A2 Accousto-optic tunable filter
08/23/1989EP0329274A1 A method of forming anodised regions on an anodisable metal layer
08/23/1989EP0329226A1 Low-pressure mercury vapour discharge lamp
08/23/1989EP0328810A2 A matrix-type liquid-crystal display panel
08/23/1989EP0328668A1 Nonlinear optical material
08/23/1989EP0328633A1 Active matrix cell for ac operation
08/23/1989EP0215120B1 Cyclohexane derivatives
08/22/1989US4860296 Laser controlled by a multiple-layer heterostructure
08/22/1989US4860294 Integrated-optical arrangement for bidirectional optical message or signal transmission
08/22/1989US4860171 Surface illuminating apparatus