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)
04/1993
04/28/1993EP0538796A1 Homeotropic liquid crystal device
04/28/1993EP0538776A1 Liquid crystal light valve with photosensitive layer having irregular diode pattern
04/28/1993EP0538533A1 Thin film liquid crystal matrixes with improved structure
04/28/1993EP0538245A1 Liquid crystal electrical fault indicators
04/28/1993EP0423179B1 Ferroelectric liquid-crystal polymers, process for producing same and their use in electro-optical components
04/28/1993CN2131116Y Automatic extinction goggles
04/27/1993US5206925 Rare earth doped core; excitation efficiency
04/27/1993US5206922 Nonlinear optical switch utilising organic conjugated material and four wave mixing techniques
04/27/1993US5206868 Resonant nonlinear laser beam converter
04/27/1993US5206756 Solid state electrochromic devices
04/27/1993US5206752 Optical rotator formed of a twisted nematic liquid crystal polyster including an ortho-substituted aromatic unit
04/27/1993US5206751 Process for the production of an impact-resistant liquid crystal switching and display device
04/27/1993US5206750 Method of forming a color filter for a liquid crystal color display apparatus
04/27/1993US5206749 Liquid crystal display having essentially single crystal transistors pixels and driving circuits
04/27/1993US5206748 Wide-frame electro-optic device
04/27/1993US5206747 Polymer dispersed liquid crystal display with birefringence of the liquid crystal at least 0.23
04/27/1993US5206746 Transparent-scattering type optical device including a prism with a triangular longitudinal cross section
04/27/1993US5206674 System for the display of images given by a spatial modulator with transfer of energy
04/27/1993US5206673 Reflection type overhead projector
04/27/1993US5206635 Method and apparatus for multi-level tone display for liquid crystal apparatus
04/27/1993US5206633 Self calibrating brightness controls for digitally operated liquid crystal display system
04/27/1993US5206632 Actuating circuit for a liquid crystal display
04/27/1993US5205904 Periodic protection mask formed on nonlinear optical crystal surface
04/27/1993CA1317059C Poly-yne nonlinear optical materials
04/27/1993CA1317044C Active matrix lcd image projection system
04/27/1993CA1317043C System for the display of images in half tones on a matrix screen
04/27/1993CA1316686C Electroluminescent composition and electroluminescent device therewith
04/26/1993CA2081090A1 Integrated electrooptic modulator and process for the production thereof
04/23/1993CA2080941A1 Method and device for optimizing the performance of a liquid crystal matrix display as a function of the observation angle
04/22/1993DE4234981A1 Liquid crystal device with holding medium between transparent conductive films - has active material distributed in cavities within holding medium in sandwich construction with transparent films and substrates
04/22/1993DE4223303A1 Plasma-addressed liquid crystal display with parallel barriers - has barriers formed on lower substrate with strips of second electrode in spaces insulated from overall first electrode
04/22/1993DE4133621A1 Nanoskalige teilchen enthaltende kompositmaterialien, verfahren zu deren herstellung und deren verwendung fuer optische elemente Composite materials containing nanoscaled particles, processes for their preparation and their use for optical elements
04/21/1993EP0537930A1 Solid electrolyte
04/21/1993EP0537917A1 Active matrix LCD with buried ground plane
04/21/1993EP0537853A1 Liquid crystal colour display device
04/21/1993EP0537708A1 Colour projector
04/21/1993EP0537703A1 Total internal reflection-type optical waveguide switch
04/21/1993EP0537692A1 Method of fabricating strip monomode active optical waveguides for optical telecommunications
04/21/1993EP0537620A1 Nitrogen-containing heterorings
04/21/1993EP0537337A1 Microwave camera
04/21/1993EP0391956B1 Cyanohydrin derivatives and their use in liquid crystal materials and devices
04/21/1993EP0338059B1 Improved liquid crystal mixture
04/21/1993EP0259423B1 Liquid crystal compounds, mixtures and devices
04/20/1993US5204924 Optical fibre reflector
04/20/1993US5204868 Optical isolator and method for assembling same
04/20/1993US5204772 Electrically responsive light controlling device
04/20/1993US5204771 For transmitting lights from incoming and outgoing ports
04/20/1993US5204770 All optical image processing and pattern recognition apparatus using stimulated photon echoes
04/20/1993US5204766 Ferroelectric liquid crystal cell with particulate adhesive density higher near side
04/20/1993US5204765 Liquid crystal display device having reflector of a substrate, a patterned resin, and a reflective film, and method of making same
04/20/1993US5204764 Electro-optical device having a first and a second nonlinear resistance element formed on each pixel electrode
04/20/1993US5204763 Light-scattering element
04/20/1993US5204659 Apparatus and method for providing a gray scale in liquid crystal flat panel displays
04/20/1993US5204617 Liquid crystal panel inspection method
04/20/1993US5204196 Having a polyethyleneimine backbone and a polyethylene glycol side chain
04/20/1993US5204178 (meth)acrylate copolymers and their use in nonlinear optics and for the production of langmuir-blodgett
04/20/1993US5204019 2,3-difluorobiphenyls
04/15/1993WO1993007664A1 An optical amplifier
04/15/1993WO1993007609A1 Avionics display incorporating a light valve
04/15/1993WO1993007608A1 Electrode structure for an electrophoretic display apparatus
04/15/1993WO1993007529A1 Active matrix display device using a buried ground plane
04/15/1993WO1993007528A1 Device for enhancing the contrast of a liquid crystal screen and method for producing such device
04/15/1993WO1993007518A1 Process for manufacturing multicolor display
04/15/1993WO1993007179A2 Composite materials containing nanoscalar particles, process for producing them and their use for optical components
04/15/1993DE4233792A1 Substrate fox matrix liquid crystal element - has insulation layer covering switch element and image element electrode, and separating second image element electrode
04/15/1993DE4232977A1 Light scattering panel for liquid crystal indicator - has base of transparent material covered with layer of synthetic resin in which glass beads are embedded
04/15/1993DE4133719A1 New chiral macrocyclic cpds. - useful as ferroelectric liq. crystal additives
04/14/1993EP0537054A2 Spectrometer
04/14/1993EP0536898A1 Reflection type liquid crystal display device and method of manufacturing the same
04/14/1993EP0536829A1 Optoelectronic semiconductor device comprising a waveguide and method of manufacturing such a device
04/14/1993EP0536744A2 Driving method for a display device
04/14/1993EP0536739A2 Electrical packaging structure and liquid crystal display device having the same
04/14/1993EP0536680A2 Liquid crystal device and liquid crystal injection method
04/14/1993EP0536321A1 Stacked display panel construction and method of making same
04/14/1993EP0348499B1 System and method for producing a flicker-free video image
04/14/1993EP0324836B1 Silicon-on-sapphire liquid crystal light valve and method
04/14/1993CN2129938Y Electronic colour changing glasses
04/14/1993CN1071033A High-stability low-ripple coefficient light intensity magneto-optical compensator
04/14/1993CN1020310C Ca Se Ac liquid drystal light valve
04/13/1993US5202950 For a liquid crystal display
04/13/1993US5202948 Traveling-wave type light amplifier
04/13/1993US5202947 Optical fiber component optical coupler and method of producing thereof
04/13/1993US5202941 Four section optical coupler
04/13/1993US5202897 Fabry-perot modulator
04/13/1993US5202891 Vanadium metal oxides complexes consists of calcium, rare earth metals; crystal structure; connector for electronic circuits, laser surgery, high speed computers
04/13/1993US5202791 Optical amplifying apparatus
04/13/1993US5202790 Photo-driven light beam deflecting apparatus
04/13/1993US5202788 Electrochromic device with ionically or mixed ionically-electronically conductive electrolyte
04/13/1993US5202787 Electro-optic device
04/13/1993US5202786 Optical switching devices
04/13/1993US5202779 Ferroelectric liquid crystal display device with polyimide orientation film of bis(4-aminocyclohexyl) methane and aromatic tetracarboxylic acid anhydride
04/13/1993US5202778 Matrix-addressed type liquid crystal display apparatus and method for production thereof
04/13/1993US5202777 Phosphor containing oxides of yttrium, aluminum, gallium, chromium or rare earth elements and having controlled decay times
04/13/1993US5202776 Time delay beam formation
04/13/1993US5202677 Display apparatus using thermochromic material
04/13/1993US5202629 Optical magnetic-field sensor having an integrally bonded magnetooptical element, polarizer, analyzer and substrate
04/13/1993US5202063 Method for making encapsulated liquid crystal material
04/13/1993US5202054 Liquid crystal compound
04/13/1993US5201268 Intaglio printing process and its application
04/13/1993CA1316085C Magneto-optic garnet