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)
07/1991
07/16/1991US5031983 Apparatus comprising a waveguide magneto-optic isolator
07/11/1991WO1991010297A1 Linear broadband signal generator using primary and secondary optical modulators
07/11/1991WO1991010225A1 Scanned liquid crystal display with select scanner redundancy
07/11/1991WO1991010224A1 Display devices
07/11/1991WO1991010223A1 Field-sequential display system utilizing a backlit lcd pixel array and method for forming an image
07/11/1991WO1991010170A1 Programmable masking apparatus
07/11/1991WO1991010156A2 Variable optical fiber bragg filter arrangement
07/11/1991WO1991010153A1 Optical apparatus for generating polarized light
07/11/1991WO1991010151A1 Incorporated bragg filter temperature compensated optical waveguide device
07/11/1991WO1991010149A1 Method for forming optically active waveguides
07/11/1991WO1991009842A1 Electro-optical materials and light modulator devices containing same
07/11/1991WO1991009745A1 Display forms using liquid crystals
07/11/1991WO1991009744A1 Electro-optic animated displays and indicators
07/11/1991DE4100237A1 Electro-optical LC system
07/11/1991DE4000471A1 Electro-optical LC system
07/11/1991DE4000451A1 Elektrooptisches fluessigkristallschaltelement Electro-optical fluessigkristallschaltelement
07/10/1991EP0436432A1 Method for the detection, the recognition and the use of signals mixed with other coding or parasitic signals and device for carrying out this method
07/10/1991EP0436413A1 Method and device for electrooptical modulation using the low energy oblique transition in a strongly coupled superlattice
07/10/1991EP0436411A1 Device for coherently combining laser beams
07/10/1991EP0436384A2 A driving circuit for a liquid crystal display apparatus
07/10/1991EP0436346A2 Optical switches
07/10/1991EP0436344A2 Method of operating an electrooptic modulator
07/10/1991EP0436301A2 Crystal-polymer matrix composites
07/10/1991EP0436262A1 Magnetic display system
07/10/1991EP0436202A1 A narrowband laser source
07/10/1991EP0436144A1 Optical harmonic generator and a device using the same
07/10/1991EP0436115A2 Novel nonlinear optical materials
07/09/1991US5031236 Polarization insensitive optical signal reception
07/09/1991US5031235 Cable system incorporating highly linear optical modulator
07/09/1991US5030943 Portable electroluminescent back light
07/09/1991US5030851 High efficiency diode pumped compact laser
07/09/1991US5030387 Anthraquinone derivatives
07/09/1991US5030383 Electrooptical display element
07/09/1991US5030331 Evaporating iridium and carbon by electron beam or sputtering, heating composite film in oxidizing atmosphere, electrolytic oxidation by alternating potential in aqueous solution
07/09/1991US5030322 Method of forming orientation film of liquid-crystal display device
07/09/1991US5030005 Liquid crystal device for calibration and testing of optical instruments
07/09/1991US5029989 PLZT shutter
07/09/1991US5029987 Ferroelectric liquid crystal shutter
07/09/1991US5029986 Electro-optical color display device and projection apparatus
07/09/1991US5029985 Multilayer liquid crystal display device
07/09/1991US5029984 Liquid crystal display device
07/09/1991US5029983 Liquid crystal device with a smectic chiral liquid crystal
07/09/1991US5029982 LCD contrast adjustment system
07/09/1991US5029979 Optical article exhibiting a high level of second order polarization susceptibility
07/09/1991US5029978 Optical phase modulator
07/09/1991US5029976 Optical wavelength converter device and optical wavelength converter module
07/09/1991US5029953 Ultraviolet optical isolator utilizing the KDP-isomorphs
07/09/1991US5029623 Process for filling a liquid crystal cell
07/09/1991US5029598 Process for the uniform introduction of a fluid, and apparatus for carrying out the process
07/03/1991EP0435750A1 Addressing method for every column of a matrix LCD screen
07/03/1991EP0435701A2 Display control method and apparatus for ferroelectric liquid crystal panel
07/03/1991EP0435689A2 Electrochemichromic solutions and devices containing them
07/03/1991EP0435676A2 Liquid crystal display device for displaying multiple or full colors
07/03/1991EP0435529A2 Liquid crystal device
07/03/1991EP0435526A2 Liquid crystal display device
07/03/1991EP0435456A2 Non linear optical and conductive polymeric material
07/03/1991EP0435343A2 Liquid crystal apparatus
07/03/1991EP0435258A2 Multi-level selecting circuit
07/03/1991EP0435240A2 Liquid crystal compound
07/03/1991EP0435138A1 Non-linear optical material
07/03/1991EP0435101A1 Matrix liquid crystal display device using thin film transistors
07/03/1991EP0434812A1 Reverse mode microdroplet liquid crystal light shutter displays
07/02/1991US5029297 Optical amplifier-photodetector device
07/02/1991US5029257 Method for separating scan line drive in plasma display panel and circuit arrangement thereof
07/02/1991US5029253 Spatial light modulator using electron trapping materials
07/02/1991US5029045 Surface lighting apparatus
07/02/1991US5028969 Semiconductor device for a space modulation matrix and method for driving a space modulation matrix
07/02/1991US5028916 Active matrix display device
07/02/1991US5028865 Device having main and secondary optical sensors
07/02/1991US5028816 Electro-optic line narrowing of optical parametric oscillators
07/02/1991US5028124 Thin film electrochromic displays
07/02/1991US5028122 Liquid crystal active-matrix display device
07/02/1991US5028121 Projection device
07/02/1991US5028109 Methods for fabricating frequency doubling polymeric waveguides having optimally efficient periodic modulation zone and polymeric waveguides fabricated thereby
07/02/1991US5028108 Bipolar transistor including optical waveguide
07/02/1991US5028107 Optical articles for wavelength conversion and their manufacture and use
07/02/1991CA1285643C Optical switching devices
07/02/1991CA1285640C Light-driven phase shifter
07/02/1991CA1285639C Optical system including etalon
06/1991
06/28/1991CA2033262A1 Method and device for detecting, identifying and using signals mixed with coding or interference signals
06/27/1991WO1991009339A2 Optical articles for wavelength conversion and their manufacture and use
06/27/1991WO1991009338A1 Optical waveguide and method of making an optical waveguide
06/27/1991WO1991009092A1 Light modulating material comprising polymer dispersed liquid crystals
06/27/1991WO1991009026A2 Phenyldioxanes
06/27/1991WO1991009016A2 Halophenyl substituted heterocyclic derivatives
06/27/1991DE4041872A1 Laser printing scanning system - has fast spot width control and uses modulated semiconductor light-guide array
06/27/1991DE3942547A1 Vehicle ABS or ASR physical value measuring - by using fibre=optic sensor subjected to magnetic field to use its Faraday effect
06/26/1991EP0434627A2 Balanced drive symmetric MIM diode configuration for liquid crystal displays and method of operating same
06/26/1991EP0434626A2 Macroscopically sized liquid crystal display
06/26/1991EP0434528A1 Method for making an optoelectronic amplification device and applications in various optoelectronic devices
06/26/1991EP0434452A1 Electrochemichromic solutions
06/26/1991EP0434379A1 Second harmonic generation with archiral, straight-chain carbamic acid derivatives
06/26/1991EP0434366A2 Polymer dispersed liquid crystal display
06/26/1991EP0434359A2 Solid state electrochromic devices
06/26/1991EP0434235A2 Tone spacing and power level monitoring for FSK lightwave systems
06/26/1991EP0434220A2 Colour liquid crystal display device
06/26/1991EP0434161A2 Active matrix electro-optic display device with storage capacitors and projection color apparatus employing same
06/26/1991EP0434142A1 Method of manufacturing a device and group of masks for this method
06/26/1991EP0434139A2 Frequency doubling optical waveguide with active phase matching
06/26/1991EP0434065A2 High throughput contrast enhancement