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)
11/1991
11/09/1991CA2082383A1 Low voltage varistor array
11/07/1991DE4118208A1 Fast viewed displays control under variable lighting - uses light sensors for intensity, direction and spectrum and has liquid-crystal viewing panels
11/06/1991EP0455541A1 Spatial light modulator with a polymeric photoconductor
11/06/1991EP0455406A1 Method of testing control matrices for flat-panel displays
11/06/1991EP0455347A2 An optical functional device and a method of driving same
11/06/1991EP0455249A2 Automatic focusing apparatus and method
11/06/1991EP0455233A2 Liquid crystal display device having driving circuit
11/06/1991EP0455219A1 Mesomorphic compound, liquid crystal composition, liquid crystal device, display apparatus and display method
11/06/1991EP0455204A2 Power source for dot matrix lcd
11/06/1991EP0455160A2 Liquid crystal display device
11/06/1991EP0455144A2 An optical polarization modulator employing interferometric structures
11/06/1991EP0455024A2 Optical amplifier
11/06/1991EP0455020A2 Optical modulator
11/06/1991EP0454999A2 Improved double-pass tunable optical filter
11/06/1991EP0454860A1 Potential sensor using electro-optical crystal and method of measuring potential
11/05/1991US5063568 Wavelength stabilized light source
11/05/1991US5063418 Optical non-linear artificial dielectrics
11/05/1991US5063379 Liquid crystal indicator, preferably for motor vehicles
11/05/1991US5063378 Scanned liquid crystal display with select scanner redundancy
11/05/1991US5062990 Discotic octasubstituted tetrapyrazinotetraazaporphyrazines
11/05/1991US5062693 All-optical photochromic spatial light modulators based on photoinduced electron transfer in rigid matrices
11/05/1991US5062692 Exposure apparatus
11/05/1991US5062691 Liquid crystal device with grey scale
11/05/1991US5062690 Liquid crystal display with redundant FETS and redundant crossovers connected by laser-fusible links
11/05/1991CA1291634C Method of manufacturing an optical stripline waveguide for non-reciprocal optical components
11/03/1991WO1991017470A1 Optical modulators
11/03/1991CA2081663A1 Optical modulators
11/03/1991CA2041580A1 Optical amplifier
11/01/1991CA2015883A1 Computer controlled light with continuously variable colour temperature, colour modification, focus and position
10/1991
10/31/1991WO1991016729A1 An electro-optic device
10/31/1991WO1991016659A1 Optical devices and methods of fabrication thereof
10/31/1991WO1991016657A1 Non-linear optical device
10/31/1991WO1991016656A1 Semiconductor device provided with circuit cell and array, and data input-output device
10/31/1991WO1991016470A1 Amorphous uranium alloy and use thereof
10/31/1991WO1991016400A1 Liquid crystalline medium
10/31/1991WO1991016397A1 Liquid crystalline medium
10/31/1991WO1991016395A1 Liquid crystalline medium
10/31/1991WO1991016394A1 Liquid crystalline medium
10/31/1991WO1991016392A1 Liquid crystalline medium
10/31/1991WO1991016329A1 Organosilicified compounds and materials and devices containing same
10/31/1991WO1991016291A1 Phenyl cyclohexanes and liquid crystalline medium
10/31/1991WO1991013947A3 Liquid crystalline medium
10/31/1991DE4113571A1 Camera view finder with viewing field visual display - uses liquid crystal cell with electrodes supplied to define different fields of view
10/30/1991EP0454538A1 Colour matrix display with interlaced addressing
10/30/1991EP0454509A2 Method to reveal erythrocyte agglutination for the determination of blood compatybility
10/30/1991EP0454480A2 Liquid-crystal display device of optical writing type
10/30/1991EP0454443A2 Spectacles incorporating display means for a stereoscopic viewing system
10/30/1991EP0454435A2 Plain light source device
10/30/1991EP0454423A1 A liquid crystal display
10/30/1991EP0454245A2 Image display and pick-up apparatus
10/30/1991EP0454240A2 Electrochromic window, based on a polymeric electrolyte
10/30/1991EP0454071A2 Wavelength conversion by quasi phase matching and the manufacture and use of optical articles therefor
10/30/1991EP0453966A2 Ferroelectric liquid crystal display with high contrast and high brightness
10/30/1991EP0453856A2 Liquid crystal display apparatus and driving method of such apparatus
10/30/1991EP0453693A1 Electric field pockels effect sensor
10/30/1991EP0148238B1 High energy beam sensitive glasses
10/30/1991CN1055823A Process for production of impact-resistant liquid crystal switching and display device
10/30/1991CN1055754A Use of macrocyclic compounds as component for ferroelectric liquid crystal mixtures
10/29/1991US5062155 Modulated light wave demodulator
10/29/1991US5061509 Polyimide containing decomposable bonds
10/29/1991US5061404 Electro-optical materials and light modulator devices containing same
10/29/1991US5061400 Wide temperature range, high response speed, low driving voltage
10/29/1991US5061398 Optically active lactone derivative, intermediate therefor, process for producing the intermediate, liquid-crystal composition, and liquid-crystal display device
10/29/1991US5061048 Apparatus for optical beam steering using non-linear optical polymers
10/29/1991US5061047 Smectic liquid crystal devices
10/29/1991US5061046 Gradient index liquid crystal devices and method of fabrication thereof
10/29/1991US5061045 Liquid crystal light modulation device and liquid crystal light modulation apparatus
10/29/1991US5061044 Ferroelectric liquid crystal display having opposingly inclined alignment films wherein the liquid crystal has one twisted and two aligned states which coexist and a driving method to produce gray scale
10/29/1991US5061043 Color liquid crystal display device with a green dye
10/29/1991US5061042 Phase retarder and liquid crystal display using the same
10/29/1991US5061041 Liquid crystal motion picture projector with memory
10/29/1991US5061040 Liquid crystal displays operated by amorphous silicon alloy diodes
10/29/1991US5061038 Fiber type wavelength converter
10/29/1991US5061030 Optical integrated modulator
10/29/1991US5061028 Polymeric waveguides with bidirectional poling for radiation phase-matching
10/29/1991CA1291552C Liquid crystal color display and method
10/26/1991CA2040629A1 Wavelength conversion by quasi phase matching and the manufacture and use of optical articles therefor
10/24/1991DE4111990A1 Alkoxy di- and tri-fluoro-tolan(s) - useful as components of LC media
10/24/1991DE4012787A1 LCD operating in spectrum best matched to human eye - uses hinged background light source which can also reflect daylight
10/23/1991EP0453324A2 Active matrix display device with thin film transistors structure
10/23/1991EP0453309A2 Ferroelectric liquid crystal composition
10/23/1991EP0453169A2 Method of forming a mask and a thin-film transistor
10/23/1991EP0453087A1 Optical polarisation state controllers
10/23/1991EP0453033A1 Display device
10/23/1991EP0453030A1 Fluorescent lamp controlling arrangement
10/23/1991EP0452955A2 Capacitor and process for production thereof
10/23/1991EP0452870A2 Display apparatus and driving circuit
10/23/1991EP0452838A1 Optical phase conjugation apparatus including light pipe for multiple beam combination
10/23/1991EP0452828A2 Optical waveguide device and optical second harmonic generator using the same
10/23/1991EP0452725A2 Fluorine containing diaminobenzene derivatives and its use
10/23/1991EP0452669A1 Erbium doped fiber optical amplifier
10/23/1991EP0452460A1 Electro-optical liquid crystal system.
10/23/1991EP0452438A1 Light control devices with liquid crystals
10/23/1991EP0363422B1 Integrated optical read/write head and apparatus incorporating same
10/23/1991EP0236345B1 Optical systems with antireciprocal polarization rotators
10/22/1991US5060307 Apparatus and a method comprising an optical fiber modulator, coupler, switch, sensor and distribution system
10/22/1991US5060301 Optical repeated transmission method and system
10/22/1991US5060233 Miniature blue-green laser source using second-harmonic generation
10/22/1991US5060036 Thin film transistor of active matrix liquid crystal display
10/22/1991US5059957 Display apparatus for vehicle