Patents
Sitemap › G02 - Optics › G02F - Devices or arrangements, the optical operation of which is modified by changing the optical properties of the medium of the devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light, e.g. switching, gating, modulating or demodulating; Techniques or procedures for the operation thereof; Frequency-changing; Non-linear optics; Optical logic elements; Optical analogue/digital converters › 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
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)
10/1991
10/08/1991US5054895 Electrochromic element
10/08/1991US5054894 Light modulating process
10/08/1991US5054893 Electro-optic cell linear array
10/08/1991US5054892 Photo-to-photo conversion element and its applied system
10/08/1991US5054891 Liquid crystal shutter with substrates having an optical anisotropy caused by temperature gradient
10/08/1991US5054890 Liquid crystal device
10/08/1991US5054889 Liquid crystal display having an alignment layer in the form of a porous alumina layer
10/08/1991US5054888 Methods of making composite optical devices employing polymer liquid crystal
10/08/1991US5054887 Active matrix type liquid crystal display
10/08/1991US5054876 Optical fiber telecommunication line including amplifiers distributed along the line for the transmitted signals
10/08/1991US5054873 High density integrated optical multiplexer/demultiplexer
10/08/1991US5054870 Electro-optical multiple connection arrangement
10/08/1991CA1290436C Optical waveguide junction
10/08/1991CA1290435C Optical signal modulation device
10/08/1991CA1290147C Liquid crystal temperature sensor and materials
10/07/1991WO1991015789A1 Optical signal distribution network
10/03/1991WO1991014964A2 Passive protection of optically sensitive materials with transition-metal organometallic cluster compounds
10/03/1991WO1991014962A1 High performance light valve having a bilayer photoconductor structure
10/03/1991WO1991014961A1 High resolution light valve
10/03/1991WO1991014411A1 Optical limiter including optical convergence and absorbing body with inhomogeneous distribution of reverse saturable material
10/03/1991WO1991008510A3 Organic optical elements and nonlinear optical devices
10/02/1991EP0449719A1 Three-dimensional integrated guiding structure and method of manufacturing the same
10/02/1991EP0449508A2 Drive circuit for a liquid crystal display
10/02/1991EP0449404A1 Method of manufacturing a thin-film semiconductor device on a transparent insulative substrate
10/02/1991EP0449254A2 Fiber type wavelength converter and module
10/02/1991EP0449171A2 Process to reduce defects in ultra-thin layers
10/02/1991EP0449123A2 Liquid crystal display device
10/02/1991EP0449117A2 Organic polymer and preparation and use thereof
10/02/1991EP0449049A2 Naphthalenedicarboxylic acid esters
10/02/1991EP0449047A2 Liquid crystal device, and display method and display system making use of it
10/02/1991EP0449015A2 Difluoromethyl compounds and liquid criystal medium
10/02/1991EP0448869A1 Optical device including a grating structure
10/02/1991EP0448862A2 Particulate spacers and a method for producing the same, and a method for producing a liquid crystal display cell by using the particulate spacers
10/02/1991EP0448853A1 Semitransparent electrophoretic information displays (EPID) employing mesh like electrodes
10/02/1991EP0448832A2 Automatic bias controller for electro-optic modulator
10/02/1991EP0448694A1 Method and apparatus for energy transfers between optical beams using near-bandgap electrorefractive effect
10/02/1991EP0387261A4 Raman spectrometer having hadamard electrooptical mask and diode detector
10/02/1991EP0257056B1 Matrix addressable displays
10/02/1991DE4109262A1 New di:alkynyl malonate cpds. and polymers for photochromic materials - prepd. by reacting malonyl di:chloride with unsatd. alcohol pref. prop-2-yn-ol and knoevenagel condensation
10/02/1991DE4106019A1 Automatic windscreen-dimming control system for vehicle - uses liquid crystal screen-cavity with light sensors at screen edge
10/02/1991CN1055061A Fiberoptic interferometric sensor
10/01/1991WO1991015796A1 Optical component
10/01/1991US5054030 Grid-inserted quantum structure
10/01/1991US5053983 Filter system having an adaptive control for updating filter samples
10/01/1991US5053889 Charge latent image detecting device
10/01/1991US5053764 System for the display of images in half tones on a matrix screen
10/01/1991US5053763 Dual anode flat panel electrophoretic display apparatus
10/01/1991US5053755 Automotive head-up display with high brightness in daytime and high contrast in nighttime
10/01/1991US5053696 Electro-electron oscilloscope
10/01/1991US5053641 Tunable optical parametric oscillator
10/01/1991US5053168 Nonlinear optical medium with a stable noncentrosymmetric polymeric structure
10/01/1991US5053163 Large negative dielectric anisotropy; low voltage ac-stabilizing effect; high speed response
10/01/1991US5052791 Variable magnification viewfinder optical system with variable magnification based on polarization
10/01/1991US5052786 Broadband faraday isolator
10/01/1991US5052785 Color liquid crystal shutter having more green electrodes than red or blue electrodes
10/01/1991US5052784 Fluorescent colored encapsulated liquid crystal apparatus using enhanced scattering
10/01/1991US5052783 Projection type image display apparatus
10/01/1991US5052772 Fiber type light wave-length converting apparatus
10/01/1991US5052771 Integrated electro-optical scanner
10/01/1991US5052770 Optical device for the processing of an optical wave, its fabrication method and a frequency doubler
10/01/1991CA2078119A1 Optical component
10/01/1991CA2039475A1 Process for reducing the defect density in ultra-thin films
10/01/1991CA2039229A1 Optical functional device and a method of driving same
10/01/1991CA1290082C Drain resistance active matrix display screen and methods for producing said screen
10/01/1991CA1289968C Macrocyclic tetramers having columnar tridimensional mesophases
09/1991
09/28/1991CA2038812A1 Switch and system for switching integrated optical multichannels and switch production method
09/27/1991WO1991014963A1 Optical apparatus
09/25/1991EP0448303A2 Liquid crystal display panels
09/25/1991EP0448260A2 Electrochromic or electrochemichromic rearview mirror assembly
09/25/1991EP0448173A1 Liquid crystal display device
09/25/1991EP0448168A1 Method of cleaving a brittle plate and device for carrying out the method
09/25/1991EP0448139A1 Device comprising a color filter
09/25/1991EP0448124A2 Optical modulation device and display apparatus
09/25/1991EP0448032A2 Method of driving ferroelectric liquid crystal element and ferroelectric liquid crystal display
09/25/1991EP0447919A2 Drive circuit for dot matrix display
09/25/1991EP0447815A2 Magnetooptic device
09/25/1991EP0447621A2 Liquid crystal display device
09/25/1991CN1014099B Liquid crystal display
09/25/1991CN1014098B Liquid crystal device having electrode strips of no use and method for manufacturing the same
09/24/1991US5051800 Thin film semiconductor device and liquid crystal display apparatus using thereof
09/24/1991US5051617 Multilayer semiconductor waveguide device for sum frequency generation from contra-propagating beams
09/24/1991US5051570 Liquid crystal light valve showing an improved display contrast
09/24/1991US5051274 Ion-beam based deposition of coatings for electrochromic devices
09/24/1991US5050969 Photo-driven switching apparatus
09/24/1991US5050968 Optical shutter using magneto-optical materials
09/24/1991US5050966 Optical combiner collimating apparatus
09/24/1991US5050965 Color display using supertwisted nematic liquid crystal material
09/24/1991US5050952 Optical communications system for diplex or duplex transmission
09/24/1991US5050949 Multi-stage optical fiber amplifier
09/24/1991US5050948 Traveling wave electro-optic modulator
09/24/1991US5050947 Optical waveguide control device employing directional coupler on substrate
09/24/1991US5050946 Faceted light pipe
09/24/1991CA1289651C Liquid crystal light valve and associated bonding structure
09/24/1991CA1289534C Planar light emitting device
09/24/1991CA1289512C Depositing an electrical insulator with unidirectional gas flow in series of chambers
09/24/1991CA1289508C Manufacturing of a polyparaphenylene film, and uses for film thus made
09/20/1991CA2038108A1 Fiberoptic interferometric sensor
09/19/1991WO1991014202A1 All optical image processing and pattern recognition apparatus using stimulated photon echoes
09/19/1991WO1991014200A1 Liquid crystal light modulators with asymmetrical interfaces
09/19/1991WO1991014199A1 Broadband faraday isolator
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