| 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) |
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| 04/17/1990 | US4917475 Flexoelectric liquid crystal device |
| 04/17/1990 | US4917474 Optoelectronic panel and method of making the same |
| 04/17/1990 | US4917473 Method of manufacturing liquid crystal devices |
| 04/17/1990 | US4917472 Light valves with positive dielectric anisotropy liquid crystal and highly tilted off-perpendicular surface alignment, and associated operating method |
| 04/17/1990 | US4917471 Liquid crystal device |
| 04/17/1990 | US4917470 Driving method for liquid crystal cell and liquid crystal apparatus |
| 04/17/1990 | US4917469 Addressing liquid crystal cells |
| 04/17/1990 | US4917467 Active matrix addressing arrangement for liquid crystal display |
| 04/17/1990 | US4917466 Method for electrically connecting IC chips, a resinous bump-forming composition used therein and a liquid-crystal display unit electrically connected thereby |
| 04/17/1990 | US4917465 Color display system |
| 04/17/1990 | US4917463 Charge modulation compensated liquid crystal light valve having the first and second electric fields cooperating to provide a divergent electron lens effect |
| 04/17/1990 | US4917455 Field-assisted fiber spinning for the preparation of optical fibers having non-linear optical activity |
| 04/17/1990 | US4917452 Liquid crystal optical switching device |
| 04/17/1990 | US4917451 Waveguide structure using potassium titanyl phosphate |
| 04/17/1990 | US4917449 Method of disposing a polarization directing optoelectronic coupler and a coupler for carrying out the method |
| 04/12/1990 | DE3834337A1 Arrangement with a liquid crystal switch |
| 04/11/1990 | EP0363237A2 Polymers and materials containing same having non-linear optical properties, process for their preparation and optoelectrical materials and devices containing same |
| 04/11/1990 | EP0363207A2 A system for displaying an image or object in the presence of ambient light |
| 04/11/1990 | EP0363206A2 A method of and an apparatus for projecting a scanned two- or threedimensional modulated light pattern originating from a light source |
| 04/11/1990 | EP0363084A2 Deflector for an optical beam |
| 04/11/1990 | EP0363045A1 Electrochromic devices having a gradient of colour intensities |
| 04/11/1990 | EP0363044A1 A method of forming electrochromic devices |
| 04/11/1990 | EP0363043A2 Method for maintaining the electrochromic activity of an electrochromic material |
| 04/11/1990 | EP0363030A2 Apparatus and methods for pulsing the electrodes of an electrophoretic display for achieving faster display operation |
| 04/11/1990 | EP0363028A2 An electrochromic device |
| 04/11/1990 | EP0362948A2 Matrix display device |
| 04/11/1990 | EP0362939A1 Method of driving a display device |
| 04/11/1990 | EP0362928A1 Display arrangement provided with diodes and method of manufacturing the display arrangement |
| 04/11/1990 | EP0362861A2 Liquid crystal device |
| 04/11/1990 | EP0362839A1 Display unit |
| 04/11/1990 | EP0362789A2 Integrated type optical node and optical information system using the same |
| 04/11/1990 | EP0362776A2 Projection type active matrix liquid crystal display device |
| 04/11/1990 | EP0362726A1 Use of substituted aromatic polyamides in orientation layers for liquid-crystal display devices, and these liquid-crystal display devices |
| 04/11/1990 | EP0362318A1 2,3-difluorobiphenyls. |
| 04/11/1990 | EP0362317A1 Smectic liquid crystal medium |
| 04/11/1990 | EP0248907B1 Photochromic material, photochromic element and method of recording and erasing data |
| 04/11/1990 | CN1041225A Optical method for realizing real-time image false-colouring |
| 04/10/1990 | US4916580 Back-light device |
| 04/10/1990 | US4916470 Image bar with electrochromic switching system |
| 04/10/1990 | US4915491 Side chain liquid crystalline acrylic copolymers exhibiting nonlinear optical response |
| 04/10/1990 | US4915486 Display panel for image presentation and/or recording |
| 04/10/1990 | US4915482 Optical modulator |
| 04/10/1990 | US4915481 Apparatus for preventing space charge buildup effects in electrically controllable optical transmission cells |
| 04/10/1990 | US4915480 Liquid crystalline compounds and mixtures |
| 04/10/1990 | US4915479 Liquid crystal display illumination system |
| 04/10/1990 | US4915478 Low power liquid crystal display backlight |
| 04/10/1990 | US4915468 Apparatus using two-mode optical waveguide with non-circular core |
| 04/06/1990 | CA2000318A1 Method of and an apparatus for projecting a scanned two- or three-dimensional modulated light pattern originating from a light source |
| 04/06/1990 | CA2000317A1 Method of and an apparatus for producing a required visual signal for direct observation from a first source of light in the presence of a second source of light |
| 04/05/1990 | WO1990003594A1 Electro-optic device |
| 04/05/1990 | WO1990003593A1 Enhanced backscattering and light transmission in a guest host display |
| 04/05/1990 | DE3909802A1 Difluormethylverbindungen Difluormethylverbindungen |
| 04/05/1990 | DE3833413A1 Three-dimensionally integrated optical semiconductor components |
| 04/05/1990 | DE3833412A1 Arrangement and method for the production of coupling regions for three-dimensionally arranged waveguides |
| 04/05/1990 | CA2000210A1 Liquid crystal device |
| 04/04/1990 | EP0362071A1 Method of addressing a ferroelectric liquid crystal display screen with a chiral smectic phase |
| 04/04/1990 | EP0361981A2 Liquid crystal display device for display with grey levels |
| 04/04/1990 | EP0361868A2 Liquid crystal display device |
| 04/04/1990 | EP0361782A1 Electro-optic device |
| 04/04/1990 | EP0361653A1 Optical scanning system |
| 04/04/1990 | EP0361651A2 Optical element and method of modulating light by using the same |
| 04/04/1990 | EP0361609A2 Thin-film transistors, their method of manufacture, and display device using such transistors |
| 04/04/1990 | EP0361532A2 Ethane derivatives |
| 04/04/1990 | EP0361508A2 Non-linear optical device |
| 04/04/1990 | EP0361472A2 Ferroelectric liquid crystal apparatus |
| 04/04/1990 | EP0361420A2 Liquid crystal display device |
| 04/04/1990 | EP0361272A1 Optically active esters of 5-ethyl and 5-vinyl 1,3-dioxolane-carboxylic acid, their use as dopants in liquid-crystal mixtures, and liquid-crystal mixtures containing these esters |
| 04/04/1990 | EP0361255A1 Liquid-crystal mixtures containing azulene square acid dye |
| 04/04/1990 | EP0361236A1 Magnetic apparatus |
| 04/04/1990 | EP0361157A1 Phenyl pyridines |
| 04/04/1990 | EP0361152A2 Device to generate orthogonally mutually polarized optical waves supplied by one optical wave |
| 04/04/1990 | EP0361074A1 Liquid crystal display device |
| 04/04/1990 | EP0360851A1 Supertwist liquid crystal display |
| 04/04/1990 | EP0259346B1 R-1-cyan-1-r2 -cis-4-r1 -cyclohexane compounds |
| 04/04/1990 | EP0222906B1 Electrically conducting polymers |
| 04/04/1990 | CN1007487B Optical heterodyne receiver |
| 04/03/1990 | US4914730 Display device having plural groups of interconnected segment electrodes |
| 04/03/1990 | US4914553 Lighting device |
| 04/03/1990 | US4914407 Crosstie overlay slow-wave structure and components made thereof for monolithic integrated circuits and optical modulators |
| 04/03/1990 | US4914182 Autophotocrosslinkable; protective films, photographic relief images |
| 04/03/1990 | US4914181 Polyimides, a process for their preparation and their use, and tetracarboxylic acids and tetracarboxylic acid derivatives |
| 04/03/1990 | US4913845 Organic-inorganic composites with enhanced nonlinear optical response |
| 04/03/1990 | US4913844 Acrylic polymers and copolymers exhibiting nonlinear optical response |
| 04/03/1990 | US4913839 Usable at room temperature; fast response speed; displaying motion pictures; suitable for large or curved screens |
| 04/03/1990 | US4913838 Liquid crystal compound with a 4-(optically active alkyl)-3-cyanophenyl group |
| 04/03/1990 | US4913836 Side chain liquid crystalline polymers exhibiting nonlinear optical response |
| 04/03/1990 | US4913674 Liquid crystal display devices and their method of manufacture |
| 04/03/1990 | US4913533 KTP crystal nonlinear optical device with reduced drift and damage |
| 04/03/1990 | US4913531 Liquid crystal light valve with grooved microgrid and method of forming the same |
| 04/03/1990 | US4913530 Liquid crystal display |
| 04/03/1990 | US4913529 Illumination system for an LCD display system |
| 04/03/1990 | US4913509 Fail-safe port for use with an optical fiber |
| 04/03/1990 | US4913506 Optical modulation device |
| 04/03/1990 | CA1267310A1 Acousto-optic frequency shifter utilizing multi-turn optical fiber |
| 03/29/1990 | DE3831336A1 Tolans |
| 03/28/1990 | EP0360759A1 Force transducer using optical wave guiding elements integrated in a substrate |
| 03/28/1990 | EP0360683A1 Liquid crystals with a chiral structure derived from dehydroxy-4,4' bisphenol |
| 03/28/1990 | EP0360521A2 Achiral fluorine-containing liquid crystals |
| 03/28/1990 | EP0360508A2 Solid polymer electrolyte |
| 03/28/1990 | EP0360122A2 Second harmonic generator and information processing system using the same |