Patents
Sitemap › G02 - Optics › G02F - Devices or arrangements, the optical operation of which is modified by changing the optical properties of the medium of the devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light, e.g. switching, gating, modulating or demodulating; Techniques or procedures for the operation thereof; Frequency-changing; Non-linear optics; Optical logic elements; Optical analogue/digital converters › 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
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)
05/1991
05/21/1991US5017806 Broadly tunable high repetition rate femtosecond optical parametric oscillator
05/21/1991US5017755 Method of repairing liquid crystal display and apparatus using the method
05/21/1991US5016991 Interpenetrating polymer nework, sol-gel component and epoxy-amine component
05/21/1991US5016990 Method of modulating an optical beam
05/21/1991US5016989 Liquid crystal element with improved contrast and brightness
05/21/1991US5016988 Liquid crystal display device with a birefringent compensator
05/21/1991US5016987 Liquid crystal cell sealant assembly
05/21/1991US5016986 Display device having an improvement in insulating between conductors connected to electronic components
05/21/1991US5016984 Liquid crystal motion picture projector with memory
05/21/1991US5016983 Drive method of liquid crystal device
05/21/1991US5016982 Liquid crystal display having a capacitor for overvoltage protection
05/21/1991US5016959 Electro-optical component and method for making the same
05/21/1991US5016958 Optical switch having a phase change region therein
05/21/1991US5016957 Photoelastic optical switch and optical systems employing the optical switch and a method of use thereof
05/21/1991CA2068991A1 Semi-conductor structures
05/21/1991CA1284373C Electro-optic modulator
05/21/1991CA1284372C Radiation deflector assembly
05/18/1991WO1991008509A1 Use of fluorinated aromatic polyamides as the orientation layer for liquid crystal switching and display devices
05/18/1991CA2068885A1 Use of fluorinated aromatic polyamides as orientation layer for liquid-crystal switching and display devices
05/16/1991WO1991006889A1 Light control devices with liquid crystals
05/16/1991WO1991006887A1 Sulfonated polyaniline salt compositions, processes and uses
05/16/1991WO1991006613A1 Temperature compensation of liquid-crystal parameters
05/16/1991DE3937943A1 Liq. crystal cell substrate plate bonding - uses under-pressure to extract air from hollow zone for atmospheric pressure bonding
05/16/1991DE3937425A1 Polarisation sensitive optical switch - uses lithium-niobate cut in the X-direction and has electrically stable and alterable properties
05/15/1991EP0427320A2 Active-fiber optical amplifier having a wide pumping band and related active fiber
05/15/1991EP0427195A2 A ferroelectric liquid crystal composition
05/15/1991EP0427092A2 Electro-optic modulator
05/15/1991EP0426815A1 Fluorinated biphenyl derivatives.
05/15/1991EP0426721A1 Liquid crystal display without visible spaces between adjacent image elements
05/15/1991EP0426720A1 Process and device for introducing distance elements into a liquid crystal cell
05/15/1991EP0426700A1 Ferroelectric liquid crystal polymers, process for producing the same and their use in electro-optical components.
05/15/1991EP0215822B1 Programmable multistage lensless optical data processing system
05/15/1991EP0131042B1 Intensity of a light beam applied to a layered semiconductor structure controls the beam
05/15/1991CN1051432A Lcd contrast adjustment system
05/15/1991CN1051431A Color liquid crystal display
05/15/1991CA2029791A1 Coherent optical-fibre communication system using polarisation-diversity transmission
05/14/1991US5015999 Display unit
05/14/1991US5015619 Superconducting mirror for laser gyroscope
05/14/1991US5015597 Process for the production of an inverted structure, active matrix display screen
05/14/1991US5015417 Nonlinear optical devices for derivatives of stilbene and diphenylacetylene
05/14/1991US5015086 Electronic sunglasses
05/14/1991US5015075 Electrochromic element
05/14/1991US5015074 Polychrome screen
05/14/1991US5015057 Liquid crystal fiber optic attenuator and process for making same
05/14/1991US5015054 Apparatus and method for increasing the bandwidth of a laser beam
05/14/1991US5015053 Reduction of modulator non-linearities with independent bias angle control
05/14/1991US5015052 Optical modulation at millimeter-wave frequencies
05/14/1991US5015051 Integrated single-mode isolator waveguide and application to a semiconductor laser
05/14/1991CA1284212C Display device
05/14/1991CA1284206C Non-tranform limited pulse locked radiation mode radiation generator with external cavity having non-linear transmission characteristic improving mode locking
05/11/1991CA2029702A1 Active-fiber optical amplifier and ytterbium doped fiber therefor
05/08/1991EP0426503A1 Drive circuit for an electrochromic cell
05/08/1991EP0426497A2 Helmet mounted display
05/08/1991EP0426411A2 Light fixture with beam shaping lens
05/08/1991EP0426291A2 Colour liquid crystal display
05/08/1991EP0426239A1 Optical amplifier
05/08/1991EP0426222A2 Active fiber optical amplifier having a wide band signal wavelength
05/08/1991EP0426221A1 Low-noise optical amplification unit with reflection of the pumping power
05/08/1991EP0425991A2 Waveguide-type optical switch
05/08/1991EP0425685A1 Liquid crystal display device.
05/08/1991EP0425647A1 Method for rapid and uniform heating of a multilayer assembly comprising at least a thin layer of ion conducting macromolecular material interleaved between two structures with high electronic conduction.
05/08/1991EP0425624A1 Fluorinated cyclohexyl derivatives
05/08/1991EP0229825B1 Apparatus for stabilizing a laser beam
05/08/1991EP0202322B1 Variable lens and birefringence compensator for continuous operation
05/08/1991EP0130216B1 A light beam applied to a layered semiconductor structure is controlled by another light beam
05/08/1991DE3943240A1 Point display for character and pattern representation - has polarisation filters and liq. crystal films in series arrangement with significantly reduced number of connections
05/08/1991DE3937384A1 LCD with polarisation filters and films - has polarisation direction switchable in pulse cycle by electrodes near point region
05/08/1991DE3935842A1 Large liquid crystal display device - uses thermal conductors to transfer heat from back light to rear wall of display housing
05/08/1991CN1051249A Automatically adjustable photochopper
05/07/1991US5014207 Solid imaging system
05/07/1991US5014048 Matrix display systems
05/07/1991US5013479 Optically active ether derivatives, preparation process therefor, liquid crystal materials and an optical switching element
05/07/1991US5013478 Liquid crystals
05/07/1991US5013477 Alkenylbicyclohexane liquid crystals
05/07/1991US5013476 Ferroelectric properties, electro-optical indicating device
05/07/1991US5013475 Optically active ester compound and liquid crystal composition containing the same
05/07/1991US5013474 Liquid crystal display device
05/07/1991US5013141 Liquid crystal light modulation device
05/07/1991US5013140 Optical space switch
05/07/1991US5013139 Glow discharge
05/07/1991US5013138 Liquid crystal display
05/07/1991US5013137 Ferroelectric liquid crystal device having increased tilt angle
05/07/1991US5013129 Optical wavelength converter device and method of manufacturing same
05/07/1991US5013115 Polarization insensitive optical frequency mixer
05/07/1991US5013114 Optical switch apparatus
05/07/1991US5013113 Lossless non-interferometric electro-optic III-V index-guided-wave switches and switching arrays
05/02/1991WO1991006032A1 Method and apparatus for energy transfers between optical beams using near-bandgap electrorefractive effect
05/02/1991WO1991005979A1 Polyaniline compositions, process for their preparation and uses thereof
05/02/1991WO1991004508A3 Helmet mounted display
05/02/1991EP0425366A2 Liquid crystal compound
05/02/1991EP0425344A2 Light polarizing materials and suspensions thereof
05/02/1991EP0425321A2 Liquid crystal cells and their use for recording information or for projecting an image
05/02/1991EP0425304A2 Liquid crystal device with grey scale
05/02/1991EP0425266A2 Liquid crystal projection display apparatus
05/02/1991EP0425251A2 Image display apparatus
05/02/1991EP0425210A2 Control of liquid crystal display visual properties
05/02/1991EP0425076A2 Process for making intergrated optics chips having high electro-optic coefficients
05/02/1991EP0425014A1 Amplifier for optical fiber telecommunication lines and optical fiber telecommunication lines incorporating said amplifier
05/02/1991EP0424951A1 Liquid crystal display
05/02/1991EP0424944A2 Ferroelectric liquid crystal device
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