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)
03/1991
03/07/1991WO1991003003A1 An active matrix reflective projection system
03/07/1991WO1991003002A1 Photo-crosslinked polymers for non-linear optics
03/07/1991WO1991003001A1 Non-linear optically active polyimides
03/07/1991WO1991003000A1 Optical deflector
03/07/1991WO1991002999A1 Thin-film transistor substrate, method of producing the same, liquid crystal display panel, and liquid crystal display device
03/07/1991WO1991002998A1 Reflective image plane module
03/07/1991WO1991002780A1 2,5-disubstituted heterocycles and mesomorphous medium
03/07/1991WO1991002779A1 Liquid crystalline medium
03/07/1991WO1991002765A1 Polyimides for stn displays
03/07/1991WO1991002726A1 5-oxy-2-phenylazines and mesomorphous medium
03/07/1991WO1991002722A1 5-oxy-2-phenylpyridines and liquid-crystal materials
03/07/1991WO1991002710A2 Benzol derivatives and liquid crystalline medium
03/07/1991WO1991002709A1 Phenylcyclohexanes and liquid crystal medium
03/07/1991DE4027923A1 Phenylcyclohexane und fluessigkristallines medium Phenylcyclohexanes and fluessigkristallines medium
03/07/1991DE4027840A1 Fluorbenzolderivate und fluessigkristallines medium Fluorobenzene derivatives and fluessigkristallines medium
03/07/1991DE4027315A1 Halogenierte benzolderivate und fluessigkristallines medium Halogenated benzene derivatives and fluessigkristallines medium
03/06/1991EP0415842A1 Method of making an inverted staggered active matrix for display panel
03/06/1991EP0415817A1 Amorphous copolymers for use in non-linear optics
03/06/1991EP0415735A2 Optical switch and color selection assembly
03/06/1991EP0415658A2 Method of forming an orientation film of a liquid-crystal display
03/06/1991EP0415645A1 Interferometric devices for reducing harmonic distortions in laser communication systems
03/06/1991EP0415500A1 Display device
03/06/1991EP0415447A1 Liquid crystal device
03/06/1991EP0415444A2 Optical isolator
03/06/1991EP0415438A2 Optical amplifier and optical communication system provided with the optical amplifier
03/06/1991EP0415386A2 Optical waveguide circuit with intersections
03/06/1991EP0415349A2 Driving method of liquid crystal display
03/06/1991EP0415278A1 Compounds having an ethylenic group in terminal position and their use in nonlinear optics
03/06/1991EP0415256A2 Mesomorphic compound, liquid crystal composition containing same and liquid crystal device using same
03/06/1991EP0415225A2 Integrated optical device with at least one optical waveguide integrated on a semiconductor substrate
03/06/1991EP0415220A2 Chiral doping agents for liquid crystals
03/06/1991EP0415167A1 An optical amplifier
03/06/1991EP0414988A2 Display system
03/06/1991EP0414960A1 Driving device and display system
03/06/1991EP0221928B1 Alignment technique for liquid crystal devices
03/06/1991CN1049752A Transparent electro-conductive film, and ac powder type el panel and liquid crystal display using same
03/06/1991CN1049604A Face guard for electric welding of work pieces being clear before arcing and protecting eyes after arcing
03/05/1991WO1991003758A1 Quantum well structures
03/05/1991US4998255 Resonant phase modulator
03/05/1991US4998134 Exposure apparatus
03/05/1991US4997977 Process for the production of esters exhibiting nonlinear optical response
03/05/1991US4997595 Organic nonlinear optical material and nonlinear optical device
03/05/1991US4997591 Chiral smetic liquid crystals and glassy materials containing the same for displaying and storing information
03/05/1991US4997277 Optical fiber evaluation method and system
03/05/1991US4997271 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
03/05/1991US4997264 Ferroelectric liquid crystal devices having a high surface tilt
03/05/1991US4997262 Liquid crystal display element
03/05/1991US4997246 Silicon-based rib waveguide optical modulator
03/05/1991US4997245 Polarization independent optical switches
03/05/1991US4997244 Optical wavelength converting device and manufacturing method thereof
03/05/1991CA1281114C Liquid crystal electro-optical element with adhesive particles
03/05/1991CA1281113C Display panel for image presentation and/or recording
03/02/1991CA2024392A1 Compounds, which are ethylenically unsaturated in the terminal position, and the use thereof in nonlinear optics
03/01/1991CA2024163A1 Optical switch and color selection assembly
02/1991
02/28/1991DE4026200A1 Fluessigkristallines medium Fluessigkristallines medium
02/28/1991DE3928267A1 5-oxy-2-phenylpyrimidine und fluessigkristallines medium 5-oxy-2-phenylpyrimidines and fluessigkristallines medium
02/28/1991DE3927498A1 Polyimide fuer stn-displays Polyimides for stn-displays
02/27/1991EP0414560A2 Method of manufacturing polyimide thin film and method of manufacturing liquid crystal orientation film of polyimide
02/27/1991EP0414478A1 A liquid crystal display apparatus
02/27/1991EP0414358A2 An active matrix board
02/27/1991EP0414230A2 Liquid crystal composition and liquid crystal device containing the same
02/27/1991EP0414048A2 Matrix-liquid crystal display
02/27/1991EP0413952A1 Interferometric analyzer
02/27/1991EP0413919A2 Display element
02/27/1991EP0413903A1 Waveguide electrooptic light modulator with low optical loss
02/27/1991EP0413888A1 Display device
02/27/1991EP0413785A1 Liquid crystalline media containing fluorinated oligophenyls.
02/27/1991CN1011832B Transparent laser-addressed liquid crystal modulator cell
02/26/1991US4996692 Laser communication system with wide band magnetrostrictive modulation
02/26/1991US4996330 Chiral substituted tartarimides
02/26/1991US4996083 Reacting anhydrous transition metal halides with alkyl alcohol yields coating solution for forming electrochromic films
02/26/1991US4995719 Method of and an apparatus for projecting a scanned two- or three-dimensional modulated light pattern originating from a light source
02/26/1991US4995706 Displays computer
02/26/1991US4995705 Device, method and apparatus for optical modulation using ferroelectric polymer liquid crystals
02/26/1991US4995704 Liquid crystal display device
02/26/1991US4995703 Active matrix liquid crystal color display panel having split pixel electrodes
02/26/1991US4995702 Projection-type display device
02/26/1991US4995701 Anti-glare filter with improved viewing area
02/26/1991US4995693 Multi-position opto-electronic switch
02/26/1991US4995690 Modulation instability-based fiber interferometric switch
02/26/1991US4995689 Waveguide scanner
02/26/1991CA1280817C Perceived contrast of liquid crystal displays
02/24/1991CA2017427A1 Waveguide electrooptic light modulator with low optical loss
02/21/1991WO1991002429A1 Optically writing projection-type display
02/21/1991WO1991002372A1 Wafer based active matrix
02/21/1991WO1991002283A1 Scanner
02/21/1991WO1991002282A1 Transparent counterelectrode for electrochromic devices
02/21/1991WO1991002281A1 Modulated retroreflector system
02/21/1991WO1991002102A1 Film based on silicon dioxide and production thereof
02/21/1991WO1991002043A1 Fluoro-chloro-benzene derivatives
02/21/1991WO1991002019A1 Sequenced copolymers having a non-linear optical activity
02/21/1991WO1991002018A1 Sequenced copolymers orientable so as to have a non-linear optical activity
02/21/1991DE4025550A1 Phenylcyclohexane und fluessigkristallines medium Phenylcyclohexanes and fluessigkristallines medium
02/21/1991DE3926872A1 Photovernetzte polymere fuer die nichtlineare optik Photo Crosslinked polymers for nonlinear optics
02/20/1991EP0413568A2 Optical modulator
02/20/1991EP0413566A1 Optical isolators employing wavelength tuning
02/20/1991EP0413390A2 Active matrix liquid crystal colour display devices
02/20/1991EP0413335A2 Method of mutually connecting electrode terminals
02/20/1991EP0413320A2 Semiconductor laser amplifier with controlled mirrors for optical signals
02/20/1991EP0413161A1 Conductive connecting structure