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)
10/1993
10/13/1993EP0564467A1 Circuit for protecting a semiconductor device from voltage produced by discharges of static electricity.
10/13/1993EP0386198B1 Thermochromic mixtures
10/13/1993CN1022409C Liquid crystal cyclicpropylalkyl or alkenyl heterocyclic compound and process for preparing same
10/12/1993US5253314 Tunable optical waveguide coupler
10/12/1993US5253313 Optical guide apparatus
10/12/1993US5253309 Optical distribution of analog and digital signals using optical modulators with complementary outputs
10/12/1993US5253259 Frequency doubler and visible laser source having a heater
10/12/1993US5253258 Optically encoded phase matched second harmonic generation device and self frequency doubling laser material using semiconductor microcrystallite doped glasses
10/12/1993US5253109 Electro-optic device with constant light transmitting area
10/12/1993US5253104 Balanced optical amplifier
10/12/1993US5253103 Nonlinear optics utilizing composite optical material architectures for providing enhanced nonlinear susceptibility
10/12/1993US5253102 Phase comparator means
10/12/1993US5253101 Reduced tungsten oxide
10/12/1993US5253100 Solid electrolytes for conducting polymer-based color switchable windows and electronic display services
10/12/1993US5253099 Reflective optical modulator
10/12/1993US5253093 Row electrode driving circuit for a display apparatus
10/12/1993US5253092 Lateral MIM device and method of production
10/12/1993US5253091 Liquid crystal display having reduced flicker
10/12/1993US5253090 Liquid crystal electro-optic device with two materials different in refractive index dispersed in the liquid crystal
10/12/1993US5253089 Backlighted liquid crystal display unit
10/12/1993US5253074 Temperature compensated color LCD projector
10/12/1993US5253073 Electronic data multiplexing in a full color pulsed laser projector and method
10/12/1993US5253033 Laser radar system with phased-array beam steerer
10/12/1993US5252959 Method and apparatus for controlling a multigradation display
10/12/1993US5252957 Sample-and-hold circuit and liquid crystal display apparatus
10/12/1993US5252956 Sample and hold circuit for a liquid crystal display screen
10/12/1993US5252954 Multiplexed driving method for an electrooptical device, and circuit therefor
10/12/1993US5252817 Detector system for detecting the occurrence of welding using detector feedback
10/12/1993US5252654 Organic-inorganic polymeric composites
10/12/1993US5252256 Passive protection of optically sensitive materials with transition metal organometallic cluster compounds
10/12/1993US5252180 Electrical contacts for an electro-optic modulator
10/12/1993US5251845 Reel driving apparatus for tape recorder
10/12/1993CA2025879C High x (2) optical article
10/12/1993CA2025056C Nonlinear optical device
10/12/1993CA2025054C Optical article for reflection modulation
10/12/1993CA2007773C High-speed modulator for the polarization of an optical carrier
10/12/1993CA2004998C Integrated acousto-optic filters and switches
10/12/1993CA1322936C Process for producing an optical waveguide and the product therefrom
10/12/1993CA1322878C Apparatus using two-mode optical waveguide with non-circular core
10/11/1993WO1993021557A1 Electrochromic structures and methods
10/10/1993CA2093695A1 Twisted nematic film, a method for the preparation thereof, and a display device comprising said film
10/09/1993CA2093625A1 Analysis of the physical properties of thin layers and electro-optically active thin layers
10/06/1993EP0564337A1 Display screen with optical mask and procedure for realization of this screen
10/06/1993EP0564263A2 Display apparatus
10/06/1993EP0564237A2 Preparation of color filter and photo-setting resin therefor
10/06/1993EP0564209A2 Picture information memory device and picture information reproducing device using pockels readout optical modulator element
10/06/1993EP0564127A2 Chameleon apparatus housing unit
10/06/1993EP0564100A2 Nonlinear optical coupler using a doped optical waveguide
10/06/1993EP0564098A2 Variable spectral width multiple pass optical noise source
10/06/1993EP0564043A1 Optical hybrid
10/06/1993EP0564042A1 Optical hybrid
10/06/1993EP0564032A1 Display device
10/06/1993EP0564031A1 Display device
10/06/1993EP0563959A1 Liquid crystal device, display apparatus using same and display method using same
10/06/1993EP0563874A1 Optical illumination system and projection display apparatus using the same
10/06/1993EP0563403A1 Display element and its manufacturing method
10/06/1993EP0563146A1 2-fluoropyridine, process for producing it and its use in liquid crystal mixtures
10/06/1993EP0563084A1 Optical device
10/06/1993EP0563068A1 Intensity dividing device
10/06/1993EP0563065A1 Signal routing device.
10/06/1993EP0363451B1 Supertwist liquid crystal display
10/06/1993EP0299998B1 Nipi refractive index modulation apparatus and method
10/06/1993EP0268620B2 Projectable passive liquid crystal display
10/06/1993CN1076852A Automatic "blend-stop" goggles for electric welding with magnetic and optical controls
10/05/1993US5251280 Liquid crystal display apparatus
10/05/1993US5251071 Color filter
10/05/1993US5251061 Telecommunications system having fiber optical amplifiers for transmitting signals over long distances
10/05/1993US5251060 Light-source unit
10/05/1993US5251059 Frequency conversion device and method of fabricating the same
10/05/1993US5251058 Multiple beam exposure control
10/05/1993US5251057 Multiple beam optical modulation system
10/05/1993US5251051 Circuit for driving liquid crystal panel
10/05/1993US5251050 Liquid crystal display having spontaneous polarization above threshold voltage times liquid crystal and sub-capacitor capacitance over two times pixel area
10/05/1993US5251049 Reflection type active matrix liquid crystal apparatus
10/05/1993US5251048 Method and apparatus for electronic switching of a reflective color display
10/05/1993US5250967 Liquid crystal projector
10/05/1993US5250961 Image forming apparatus with improved laser transmitting optical system
10/05/1993US5250938 Electrophoretic display panel having enhanced operation
10/05/1993US5250937 Half tone liquid crystal display circuit with an A.C. voltage divider for drivers
10/05/1993US5250932 Multiplex drive
10/05/1993US5250931 Active matrix panel having display and driver TFT's on the same substrate
10/05/1993US5250330 Liquid crystal device
10/05/1993US5250218 Liquid crystal composition, liquid crystal device, display apparatus and display method
10/05/1993US5250215 High contrast in electrooptical switching and display devices
10/05/1993US5250214 Polyester film; thermotropic; glass transition point; color reproducibility; contrast
10/05/1993CA2038887C Amplifier power supply for optical fibres
10/05/1993CA2030437C Erbium-doped fiber amplifier
10/05/1993CA2023244C Optical amplifier
10/05/1993CA2013455C Electro-optical multiple connection arrangement
10/05/1993CA1322814C Linear addition polymer with hyperpolarizable side groups
10/01/1993CA2079976A1 Variable spectral width multiple pass optical noise source
09/1993
09/30/1993WO1993019505A1 Polymeric optical fiber amplifier
09/30/1993WO1993019483A1 Process for fabricating an active matrix circuit
09/30/1993WO1993019452A1 Vga controller using address translation to drive a dual scan lcd panel and method therefor
09/30/1993WO1993019390A1 Tapered multilayer luminaire devices
09/30/1993WO1993019228A2 Doped crystalline titanyl arsenates and preparation thereof
09/30/1993DE4225637C1 Electrochromic thin layer system - comprises substrate and cathodic and anodic electrochromic layers
09/29/1993EP0562938A1 Optically addressed spatial light modulator
09/29/1993EP0562925A1 Semi-conductor waveguide photoreceiver with multiple quantum wells for polarisation diversity communications systems
09/29/1993EP0562891A1 Optical fiber support for pressure detector