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)
10/1991
10/22/1991US5059917 Optical phase conjugation apparatus including light pipe for multiple beam combination
10/22/1991US5059767 Heater
10/22/1991US5059003 Fast optical switch and limiter using quantum size effect in metal grain composites
10/22/1991US5059002 Second harmonic generation with achiral, straight-chain carbamic acid derivatives
10/22/1991US5059001 Non-linear optical device with quantum micro hetero structure
10/22/1991US5059000 Image forming medium and image forming apparatus using same
10/22/1991US5058998 Liquid crystal display devide with a twisted alignment state
10/22/1991US5058997 Tft lcd with optical interference color filters
10/22/1991US5058996 Liquid crystal display
10/22/1991US5058995 Pixel electrode structure for liquid crystal display devices
10/22/1991US5058994 Liquid crystal apparatus
10/22/1991US5058986 Non-linear inferferometer
10/22/1991US5058981 Light source device
10/22/1991US5058976 System comprising Er-doped optical fiber
10/22/1991US5058974 Distributed amplification for lightwave transmission system
10/22/1991US5058972 Integrated semiconductor device including an optoelectronic switching element
10/22/1991US5058971 Planar optical isolator
10/22/1991US5058970 Quasi-phase matching optical waveguide
10/22/1991CA2040876A1 Ferroelectric liquid-crystal display of high contrast and brightness
10/18/1991CA2040452A1 Fluorescent lamp controlling arrangement
10/17/1991WO1991015931A1 Stacked display panel construction and method of making same
10/17/1991WO1991015928A2 Displays having improved contrast
10/17/1991WO1991015923A1 Projection systems
10/17/1991WO1991015843A2 Video display systems
10/17/1991WO1991015800A1 An electro-optic cell for animated displays and indicators
10/17/1991WO1991015799A1 Stacked display panel construction and method of making same
10/17/1991WO1991015798A1 Semiconductor component with a silicon layer
10/17/1991WO1991015797A1 Semiconductor component with a slightly doped silicon layer with a pin diode structure
10/17/1991WO1991015790A1 Optical interconnection device
10/17/1991WO1991015556A1 Liquid crystalline medium
10/17/1991WO1991015555A2 Nematic liquid crystal mixtures and a matrix liquid crystal display
10/17/1991WO1991015426A1 NEW COMPOUND OF THE K-Nb-Si-O SYSTEM AND ITS DERIVATIVES, PROCESS FOR SYNTHESISING THEM AND THEIR APPLICATIONS, IN PARTICULAR IN OPTICS
10/17/1991DE4011803A1 Ferroelectric liq. crystal mixts. - contain at least 2 components, at least one of which is a complex ligand for ions, esp. cations
10/17/1991DE4011530A1 Two-layer liq. crystal cell - has compensating layer contg. liq. crystal linked 1,4-phenylene and trans-1,4-cyclohexylene rings
10/17/1991CA2079907A1 Optical interconnection device
10/17/1991CA2079790A1 Displays having improved contrast
10/16/1991EP0452062A2 Liquid crystal display device
10/16/1991EP0452030A2 Liquid crystal display and shading member therefore
10/16/1991EP0452027A2 Correction of defects in colour filters
10/16/1991EP0451905A1 Liquid crystalline material and display cell containing said material
10/16/1991EP0451822A2 Use of macrocyclic compounds as components for ferroelectric liquid crystal mixtures
10/16/1991EP0451820A2 Process for manufacturing a shock-resistant liquid crystal switch and display
10/16/1991EP0451681A2 Optical apparatus
10/16/1991EP0451621A2 Arrangement of liquid crystal cells
10/16/1991EP0451580A2 Wavelength conversion device
10/16/1991EP0306521B1 Ethine derivatives as compounds of liquid crystal phases
10/16/1991CN1014381B Large area fransducer array electrostatic disckarge protection circuit
10/16/1991CN1014360B Display device
10/15/1991US5058118 Self-frequency-doubling minilaser device with NYAB crystal as laser materials
10/15/1991US5057974 System for uniformly illuminating liquid crystal display board from rear side
10/15/1991US5057928 Drive apparatus for liquid crystal display device utilizing a field discriminating apparatus
10/15/1991US5057339 Metallized polyacetylene-type or polyacene-type ultralong conjugated polymers and process for producing the same
10/15/1991US5057248 Forming composite of polyelectrolyte and ionic pigment
10/15/1991US5057025 Display contacts
10/15/1991US5056912 Projection type image display apparatus
10/15/1991US5056899 Homogeneous solid mixture of water soluble salts, polymer, water, redox couple; electroconductive, deformable
10/15/1991US5056898 Reverse mode microdroplet liquid crystal light shutter displays
10/15/1991US5056897 Spatial light modulating element and neural network circuit
10/15/1991US5056896 Liquid crystal display device with dielectric anisotropy
10/15/1991US5056895 Active matrix liquid crystal liquid crystal light valve including a dielectric mirror upon a leveling layer and having fringing fields
10/15/1991US5056894 Switching unit for a display device and display device including such a switching unit
10/15/1991US5056893 Display device
10/15/1991US5056885 Fiber optic switch
10/15/1991US5056883 Integrated optical polarization splitter
10/15/1991CA1290755C Chiral aryl-2,3-epoxyalkyl-ethers and the corresponding thio compounds thereof, and the use thereof as dopes in liquid-crystal phases
10/15/1991CA1290567C Polymer blends exhibiting nonlinear optical response
10/14/1991WO1991016658A1 Laminated organic nonlinear optical crystal and production thereof
10/14/1991CA2060901A1 Multilayer organic nonlinear optical crystal and process for producing the same
10/13/1991CA2040268A1 Use of macrocyclic compounds as component for ferroelectric liquid crystal mixtures
10/13/1991CA2040227A1 Process for the production of an impact-resistant liquid crystal switching and display device
10/10/1991DE4011861A1 Halbleiterelement mit einer schwach dotierten silizium-schicht mit einer pin-diodenstruktur Semiconductor element having a weakly doped silicon layer having a pin diode structure
10/10/1991DE4010503A1 Opto-electrical system using twisted nematic liq. crystal layer - sandwiched between two substrates coated with electrode layers on inner sides and having orientation layers on top
10/09/1991EP0451034A1 Device for image projection
10/09/1991EP0451018A1 Switch and integrated multi-path optical switching system and manufacturing method for switch
10/09/1991EP0451017A1 Laser incorporating monolithically integrated frequency converter
10/09/1991EP0450952A2 Optical system for a colour picture display
10/09/1991EP0450941A2 An active matrix display device
10/09/1991EP0450887A2 Apparatus comprising a waveguide magneto-optic isolator
10/09/1991EP0450862A2 Organic thin film element
10/09/1991EP0450840A2 Process for forming a colour filter
10/09/1991EP0450782A2 Fiberoptic interferometric sensor
10/09/1991EP0450780A2 Optical microelement array and its production method
10/09/1991EP0450644A2 A liquid crystal spacial light modulator and a holographic image information recording apparatus using the same
10/09/1991EP0450603A2 Method and apparatus for light amplification exhibiting a flat gain spectrum
10/09/1991EP0450580A2 Method for determining the pretilt angle of liquid crystal molecules in a liquid crystal cell
10/09/1991EP0450557A2 Laser light wavelength shifter
10/09/1991EP0450549A1 Liquid crystal device and display apparatus
10/09/1991EP0450524A2 Optical transmission system with a fiber optic amplifier
10/09/1991EP0450385A1 Supply assembly of an amplifier for optical fibre
10/09/1991EP0450368A2 Liquid crystal display and liquid crystal mixture
10/09/1991EP0450025A1 Temperature compensation of liquid-crystal parameters.
10/08/1991US5056096 Hybrid doped fiber-semiconductor amplifier ring laser source
10/08/1991US5055899 Thin film transistor
10/08/1991US5055833 Method for the control of an electro-optical matrix screen and control circuit
10/08/1991US5055662 Portable information record medium having liquid crystal and photoconductive layers
10/08/1991US5055225 High speed response
10/08/1991US5055223 Aryl-sulfur pentafluorides
10/08/1991US5055221 Smectic liquid-crystalline phases
10/08/1991US5055220 Dicyclohexylethylene derivatives
10/08/1991US5054910 Projection apparatus