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)
06/1991
06/06/1991DE3940146A1 Changing light attenuation passing through glass pane - using LCD cells affected by light impingement angle caused by switchable voltage fields
06/05/1991EP0430911A1 Optical coupling device
06/05/1991EP0430702A2 Line material, electronic device using the line material and liquid crystal display
06/05/1991EP0430686A2 Electrochemichromic viologens
06/05/1991EP0430684A2 Electrochemichromic solutions and devices containing such solutions
06/05/1991EP0430592A2 An active matrix display device
06/05/1991EP0430591A2 Liquid crystal colour display device
06/05/1991EP0430515A2 Erbium-doped fiber amplifier
06/05/1991EP0430487A2 Matrix addressable displays
06/05/1991EP0430418A2 Liquid crystal display and method of manufacturing the same
06/05/1991EP0430361A1 Gap tuned optical waveguide device
06/05/1991EP0430360A1 Active display device
06/05/1991EP0430345A1 Diode devices and active matrix addressed display devices incorporating such
06/05/1991EP0430299A2 Liquid crystal device
06/05/1991EP0430205A2 Liquid cristal display device
06/05/1991EP0430183A2 Fiber type light wave-length converting apparatus
06/05/1991EP0430143A2 Novel cured epoxy resins
06/05/1991EP0430142A2 Novel epoxy polymeric nonlinear optical materials
06/05/1991EP0430139A2 Polymeric nonlinear optical materials from anisotropic dipolar monomers
06/05/1991EP0430124A1 Optically double-coupled device, especially for fibre-optic transmission system
06/05/1991EP0429891A2 Color display
06/05/1991EP0429662A1 Liquid crystal composition and liquid crystal element
06/05/1991EP0429607A1 Electro-optical liquid crystal system
06/05/1991EP0429601A1 Silyl- and disilanyl-1,3-butadiyne polymers from hexachloro-1,3-butadiene
06/05/1991EP0429574A1 Chlorobenzene derivatives
06/05/1991EP0429558A1 Diphenylylethanes and liquid crystalline phase.
06/05/1991CN1052013A Amplifier for optical fiber telecommunication lines and optical fiber telecommunication lines incorporating said amplifier
06/05/1991CN1051926A Electrooptic liquid crystal system
06/04/1991US5021631 System for marking moving objects by laser beams
06/04/1991US5021592 Cyclic resorcinol-aldehyde tetramer having metallocene groups
06/04/1991US5021585 Engineering thermoplastics; good optics, heat and oxidation resistance
06/04/1991US5021302 Magnetic domain or bubble and magneto-optic devices containing at least one rare earth element of the group europium, samarium or terbium
06/04/1991US5021191 Ferroelectricity display elements; extremely small redution in crystal temperature region
06/04/1991US5021190 Ferroelectric liquid crystal composition
06/04/1991US5021189 Liquid crystal composition
06/04/1991US5021188 Polymer dispersed liquid crystal films formed by electron beam curing
06/04/1991US5020885 Electro-optic medium
06/04/1991US5020883 Good display qualities such as high contrast
06/04/1991US5020882 Electro-optic animated displays and indicators
06/04/1991US5020881 Light modulating device with optical switching unit of laminated insulating and conductive layers
06/04/1991US5020872 Method of operating an electrooptic modulator
06/04/1991CA1284688C Electronically tuneable light filter
06/02/1991CA2031134A1 Electro-optic modulation method and device using the low energy slant transition of a strongly coupled superlattice
05/1991
05/31/1991CA2031148A1 Polymer composites
05/30/1991WO1991008452A1 Liquid crystal device for calibration and testing of optical instruments
05/30/1991WO1991008198A1 Fluorinated sulfones/ketones for nonlinear optics
05/30/1991WO1991007851A1 Matrix addressed liquid crystal light valve
05/30/1991WO1991007714A1 Neural networks
05/30/1991WO1991007689A1 Improved light addressed liquid crystal light valve incorporating electrically insulating light blocking material
05/30/1991WO1991007684A1 Optical isolator
05/30/1991WO1991007666A1 Potential sensor using electro-optical crystal and method of measuring potential
05/30/1991CA2072742A1 Liquid crystal device for calibration and testing of optical instruments
05/30/1991CA2069407A1 Fluorinated sulfones/ketones for nonlinear optics
05/30/1991CA2030957A1 Nonlinear optical and conductive polymeric material
05/29/1991EP0429319A1 Optical frequency doubling device
05/29/1991EP0429216A2 Hybrid optical isolator, circulator or switch, and systems utilizing same
05/29/1991EP0428720A1 Optically active compounds and liquid crystal phase.
05/29/1991EP0428688A1 Electro-optical system with compensation film.
05/29/1991EP0428666A1 Fluoro-chloro-benzene derivatives.
05/29/1991EP0428665A1 Fluorophenyl pyrimidines.
05/29/1991DE3939049A1 Polymer compsns. with liq. crystal phases - have mesogenic gps. contg. cross-polarising 2,3-di:fluoro-1,4-phenylene gps. and opt. linked via spacer gps.
05/29/1991CN1051794A Active-fiber optical amplifier having a wide pumping band and related active fiber
05/28/1991US5020063 Laser apparatus
05/28/1991US5019898 Spatial light polarization modulation
05/28/1991US5019808 Full color liquid crystal display
05/28/1991US5019420 Oxidation of metallic thin film; solid state electronics
05/28/1991US5019303 Spreading acetylenic compound on water; irradiation with energy beam
05/28/1991US5019201 External-circuit connecting method and packaging structure
05/28/1991US5019002 Method of manufacturing flat panel backplanes including electrostatic discharge prevention and displays made thereby
05/28/1991US5019001 Method for manufacturing liquid crystal display device
05/28/1991US5018842 Optical switch device
05/28/1991US5018840 Image display device having a photosetting binder
05/28/1991US5018839 Liquid crystal display device
05/28/1991US5018838 Method and device for achieving optical spatial phase modulation
05/28/1991US5018837 Enhanced contrast liquid crystal display device
05/28/1991US5018835 Deflector for an optical beam including refractive means
05/28/1991US5018834 Addressing scheme for multiplexed ferro-electric liquid crystal
05/28/1991US5018813 Multichannel integrated optic modulator for laser printer
05/28/1991US5018812 Optical switching device
05/28/1991US5018810 Method for producing a second harmonic wave generating device
05/28/1991CA2030903A1 Cured epoxy resins
05/28/1991CA2030901A1 Epoxy polymeric nonlinear optical materials
05/28/1991CA2030878A1 Nonlinear optical materials
05/28/1991CA2030835A1 Polymeric nonlinear optical materials from anisotropic dipolar monomers
05/23/1991DE3938209A1 Verwendung fluorierter aromatischer polyamide als orientierungsschicht fuer fluessigkristall-schalt- und anzeigevorrichtungen Use of fluorinated aromatic polyamide as orientation layer for liquid crystal switchable and display devices
05/23/1991CA2029446A1 Color display
05/22/1991EP0428501A1 Optical image amplifier
05/22/1991EP0428155A2 Rare earth-iron-garnet fine particles and magneto-optical material using the same
05/22/1991EP0428119A2 Coherent optical-fibre communication system using polarisation-diversity transmission
05/22/1991EP0428088A2 Electrooptical printer
05/22/1991EP0427957A2 Alkinyl-substituted liquid crystals
05/22/1991EP0427905A2 Grid-inserted quantum structure
05/22/1991EP0427829A1 Trifluorotoluol compounds and liquid crystalline medium
05/22/1991EP0427815A1 Hemicyanine main-chain polymers
05/21/1991WO1991007688A1 Semi-conductor structures
05/21/1991US5018153 Method and apparatus for correcting amplitude variation in electro-optic laser systems
05/21/1991US5018007 Thin projection screen having a liquid crystal display screen overlaid a sheet of fiber optic cables
05/21/1991US5017984 Amorphous silicon thin film transistor array
05/21/1991US5017974 Optical modulator with superlattice having asymmetric barriers
05/21/1991US5017914 Circuit for driving a liquid crystal display panel