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)
12/1991
12/12/1991WO1991019286A1 Process for activating a ferroelectric liquid crystal display
12/12/1991WO1991019212A1 Color filter overcoating material for liquid crystal display, color filter material, formation of overcoat, and formation of color filter
12/12/1991WO1991012555A3 Optical switches
12/11/1991EP0461042A2 High speed optosemiconductor device having multiple quantum wells
12/11/1991EP0460978A1 High power laser with active mirror
12/11/1991EP0460766A2 Polymer material of thermo-optical effect for a bistable optical device
12/11/1991EP0460747A2 Methods of fabricating MIM type device arrays and display devices incorporating such arrays
12/11/1991EP0460703A1 Mesomorphic compound, liquid crystal composition, liquid crystal device, display apparatus and display method
12/11/1991EP0460668A2 IC module and a junction structure thereof
12/11/1991EP0460657A2 Liquid crystal device
12/11/1991EP0460635A2 Optical phase modulator
12/11/1991EP0460624A2 Liquid crystal composition, liquid crystal device, display apparatus and display method
12/11/1991EP0460605A1 Thin film transistor and method of manufacturing it
12/11/1991EP0460504A1 Dichroic azo dyes
12/11/1991EP0460436A2 Supertwist liquid-.crystal display
12/11/1991EP0460434A2 Liquid crystal medium
12/11/1991EP0460241A1 Optical apparatus for generating polarized light
12/11/1991EP0460060A1 Iii-v semiconductors in rigid matrices
12/11/1991EP0460027A1 Small-particle semiconductors in rigid matrices
12/11/1991EP0379562A4 Solid state electrochromic light modulator
12/11/1991EP0220297B1 Nitrogen-containing heterocycles
12/11/1991CN2090541U Electron-optic a-d converter
12/11/1991CN1056968A Data element switch
12/10/1991US5072451 Molecular crystal and method for converting light wavelength by use thereof
12/10/1991US5072272 Semiconductor light modulator with pn layers
12/10/1991US5071674 Impregnating stabilized silica sol-gel monolith with dopant so lution, drying
12/10/1991US5071589 Liquid-crystalline mixtures, in particular ferroelectric liquid-crystalline mixtures
12/10/1991US5071588 Liquid-crystalline mixture containing an azulenesquaric acid dye
12/10/1991US5071253 Optical light beam position control system
12/10/1991US5071234 Orietated polyvinyl alcohol having iodine adsorbed thereon; containing zirconium and mamganese compound
12/10/1991US5071233 Film developed
12/10/1991US5071232 Optical deflection element and space optical matrix switching device
12/10/1991US5071231 Bidirectional spatial light modulator for neural network computers
12/10/1991US5071230 Liquid crystal display device with selective transmitting means and an impedance changing layer
12/10/1991US5071229 Imaging apparatus having electrooptic devices which comprise a variable focal length lens
12/10/1991US5071228 Black-white liquid crystal display having an insulation layer for blocking the diffusion of sodium ions from the glass of the cell plate to the polyphenylene of the orientation layer
12/10/1991US5071226 Airborne optoelectronic system for identification and localization with compensated and facetted port
12/10/1991CA1293068C Display device
12/06/1991CA2043830A1 Polymer material of thermo-optical effect for a bistable optical device
12/05/1991WO1991019220A1 Optical parametric amplifier
12/05/1991DE4117484A1 LCD device driven by thin film transistor - covered by levelling and aligning layers
12/05/1991CA2083141A1 Optical parametric amplifier
12/04/1991EP0459832A2 Liquid crystal colour display device and method for producing the same
12/04/1991EP0459759A2 Liquid crystal display
12/04/1991EP0459650A2 Semiconductor laser pump source
12/04/1991EP0459574A2 Optical article for reflection modulation
12/04/1991EP0459573A2 Optical article for multicolour imaging
12/04/1991EP0459554A1 Liquid crystal display device
12/04/1991EP0459518A1 Overhead projector
12/04/1991EP0459514A2 Optical amplifiers, optical communication system and networks using the amplifier and integrated optical nodes including the amplifier
12/04/1991EP0459433A1 Anti-dazzle apparatus
12/04/1991EP0459406A1 Mesomorphic compound, liquid crystal composition, liquid crystal device, display apparatus and display method
12/04/1991EP0459306A2 Liquid crystal wave front corrector
12/04/1991EP0459281A2 Method for making a microencapsulated liquid crystal
12/04/1991EP0459152A1 Recording apparatus for recording information included in an electro-magnetic radiation-beam applied thereto and recording head used for the same
12/04/1991EP0459119A2 Optical device
12/04/1991EP0459020A2 Optoelectronic circuit
12/04/1991CN2090070U Air whistle type ultrasonic control self-timer
12/04/1991CN1056753A Ferroelectric liquid crystal display with high contrast and high brightness
12/03/1991US5070505 Self-doubling micro-laser
12/03/1991US5070488 Optical integrated circuit and optical apparatus
12/03/1991US5070431 Display board illuminating device for passive displays
12/03/1991US5070379 Thin-film transistor matrix for active matrix display panel with alloy electrodes
12/03/1991US5070326 Zinc oxide varistor particles, improved contrast
12/03/1991US5070273 Low-pressure mercury vapor discharge lamp with flat discharge vessel and external side electrodes
12/03/1991US5070255 Multi-level selecting circuit
12/03/1991US5069814 Benzoic acid derivative having a large positive dielectric anisotropy value
12/03/1991US5069813 Electrically controlled polarization-independent liquid crystal fresnel lens
12/03/1991US5069745 Process for preparing a combined wiring substrate
12/03/1991US5069535 Electrochromic layer-set
12/03/1991US5069534 Active matrix liquid crystal display with series-connected MIM structures as a switching element
12/03/1991US5069533 Method of orienting liquid crystal optical device
12/03/1991US5069531 Liquid crystal device having asymmetrical opposed contiguous surfaces being driven by a unipolar driving source
12/03/1991US5069520 High-speed modulator of the polarization of an optical carrier
12/03/1991US5069517 Integrated optical waveguide
12/03/1991CA1292768C Flat fluorescent lamp for liquid crystal display
12/01/1991CA2041531A1 Aromatic polyethers containing azo groups
11/1991
11/28/1991WO1991018317A1 Generation of harmonics from laser output
11/28/1991WO1991018316A1 Reflective monolithic silicon active matrix liquid crystal light valve
11/28/1991WO1991018315A1 Light source for image projector
11/28/1991WO1991018305A1 Light actuated optical switching device
11/28/1991DE4115160A1 Light and compact display-frame for lap-top computer - uses ribbon-cables across gap between circuit-board and display
11/28/1991DE4016443A1 Liquid crystal display for flat screen television - has intersecting conductor path split into parallel path sections
11/28/1991CA2082938A1 Light actuated optical switching device
11/27/1991EP0458687A2 LCD projector with an optical system
11/27/1991EP0458635A2 Polymeric film optical phase retarder and process for its production
11/27/1991EP0458585A2 An optical head for a laser printer
11/27/1991EP0458513A1 LCD touch screen
11/27/1991EP0458438A2 Data element switch
11/27/1991EP0458430A2 Fiber type Wavelength Converter
11/27/1991EP0458321A2 Process and apparatus for producing liquid crystal panel
11/27/1991EP0458320A1 Mesomorphic compound, liquid crystal composition, liquid crystal device, display apparatus and display method
11/27/1991EP0458270A2 Diplay unit
11/27/1991EP0458199A2 Laser processing device and laser processing method
11/27/1991EP0458176A1 Bicyclohexyl derivatives
11/27/1991EP0458173A2 Liquid crystal display device
11/27/1991EP0458087A2 A ferroelectric liquid crystal composition
11/27/1991EP0457974A1 An optical interconnection arrangement
11/27/1991EP0457878A1 Phenyldioxanes
11/27/1991EP0457846A1 Microchip laser
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