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)
05/1990
05/08/1990US4923288 Optical modulators based on polymers
05/08/1990US4923287 Spatial light modulating devices utilizing electro-optic crystal
05/08/1990US4923286 Display cell
05/08/1990US4923285 Drive apparatus having a temperature detector
05/08/1990US4923283 Electroscopic fluid display
05/08/1990US4923278 Temperature desensitization of delay in optical fibres
05/08/1990US4923277 Optical wavelength converter device
05/08/1990US4923265 Light triggering switch
05/08/1990US4923264 Resonance coupled optical coupler with semiconductor waveguide layer comprising a multi-quantum-well structure
05/08/1990US4922974 Method of filling a liquid crystal device with liquid crystal
05/08/1990US4922972 Method of filling a liquid crystal device with liquid crystal
05/08/1990CA1268848A1 Controllable optical absorber utilizing quantum well layer structure
05/08/1990CA1268847A1 Laser controlled by a multiple layer heterostructure
05/07/1990CA2000880A1 Electrochromic material and method of making an electrochromic material
05/03/1990WO1990004867A1 Optical feedback control in the frequency conversion of laser diode radiation
05/03/1990WO1990004835A1 Digital computer with multiprocessor arrangement
05/03/1990WO1990004807A1 Waveguides
05/03/1990WO1990004806A1 Liquid crystal display module
05/03/1990WO1990004805A1 Variable density light control apparatus and method
05/03/1990WO1990004623A1 Matrix liquid crystal display
05/03/1990WO1990004622A1 Supertwist liquid crystal display
05/03/1990DE3835601A1 Digitalrechner mit einer multiprozessor-anordnung Digital computer with a multi-processor arrangement
05/02/1990EP0366499A2 Liquid crystal display device
05/02/1990EP0366462A2 Projection type image display apparatus
05/02/1990EP0366459A2 Method of repairing liquid crystal display and apparatus using the method
05/02/1990EP0366424A2 Method for driving a PNPN semiconductor device
05/02/1990EP0366153A2 Liquid crystal apparatus
05/02/1990EP0366116A2 Thin film transistor panel and manufacturing method thereof
05/02/1990EP0365962A1 Matrix-type liquid-crystal display
05/02/1990EP0365855A1 Orientation layer composition for liquid crystal display devices
05/02/1990EP0365778A2 Multicolor liquid crystal display
05/02/1990EP0365766A2 Optical modulator
05/02/1990EP0365641A1 Pyridine derivatives
05/02/1990EP0267276B1 Smectic liquid crystal phases containing bicyclooctane esters
05/02/1990CN1041841A Method and apparatus for creating photomask for projecting image
05/02/1990CN1041840A Method of driving display device
05/02/1990CN1007841B Scattering liquid crystal type polarizer
05/01/1990US4922242 Apparatus exhibiting PTC behavior useful for displaying information
05/01/1990US4922240 Thin film active matrix and addressing circuitry therefor
05/01/1990US4922239 Multi-shade color liquid crystal display apparatus
05/01/1990US4922091 Direct generation of ultrafast electrical pulses
05/01/1990US4922003 Bisacrylate monomers and polymers exhibiting nonlinear optical response
05/01/1990US4921728 Process of making a liquid crystal element
05/01/1990US4921353 High speed photorefractive image comparator
05/01/1990US4921335 Optical phase conjugate beam modulator and method therefor
05/01/1990US4921328 Polycrystalline ferroelectric fiber
05/01/1990CA2001914A1 Interferometer
05/01/1990CA1268541A1 In-line fiber optic memory
05/01/1990CA1268368A1 Optical filter for protective welding lens assemblies
04/1990
04/25/1990EP0365496A1 A laser arrangement in an optical communication system
04/25/1990EP0365244A2 An active matrix substrate
04/25/1990EP0365221A2 A process of thermally transferring a color filter array element
04/25/1990EP0365219A2 Method of making a color filter array element using a heated embossed surface
04/25/1990EP0365039A2 Optical waveguide and second harmonic generator
04/25/1990EP0365036A2 Thin film transistor and crossover structure for liquid crystal displays and method of making
04/25/1990EP0364968A2 Optical isolator
04/25/1990EP0364588A1 Liquid crystal composition
04/25/1990EP0364573A1 Electrochemically controlled superconductivity
04/25/1990EP0364548A1 Octafluorobiphenyls.
04/25/1990EP0364538A1 Difluorobenzol derivatives.
04/25/1990EP0364534A1 Liquid crystal mixtures with low refractive index
04/25/1990EP0227717B1 Nitrogen-containing heterocyclic esters
04/25/1990EP0207131B1 Method and apparatus for making a reflection hologram to interconnect nonlinear optical elements
04/24/1990US4920417 Photo-to-photo conversion element and its applied system
04/24/1990US4920364 Liquid crystal dynamic attenuator for laser printers
04/24/1990US4920298 Flat fluorescent lamp for liquid crystal display
04/24/1990US4919633 Liquid crystal device with a ferroelectric film and method for manufacturing the same
04/24/1990US4919522 Optical switch having birefringent element
04/24/1990US4919521 Electromagnetic device
04/24/1990US4919520 Liquid crystal eyeglass
04/24/1990US4919511 Fibre-type light conversion device
04/24/1990CA1268271A1 Electro-optic animated displays and indicators
04/24/1990CA1268032A1 Light modulating material comprising a liquid crystal dispersion in a plastic matrix
04/20/1990CA2000926A1 Supertwist liquid crystal display
04/19/1990CA2000939A1 Variable density light control apparatus and method
04/18/1990EP0364346A1 Illumination box for an avionic display device
04/18/1990EP0364313A1 Non-linearly optically active organic compounds and electrooptical devices containing them
04/18/1990EP0364307A2 Method and apparatus for displaying different shades of gray on a liquid crystal display
04/18/1990EP0364228A2 Light fixture
04/18/1990EP0364214A2 Optical wavelength conversion devices
04/18/1990EP0364185A2 Conducting liquid crystals
04/18/1990EP0364162A2 Optical device
04/18/1990EP0363908A2 Liquid crystal device having improved alignment structure
04/18/1990EP0363767A1 Colour image projection apparatus having liquid crystal light valves designed for reduced crosstalk between picture elements
04/18/1990EP0363700A2 Lighting display device
04/18/1990EP0363480A1 Retention vessel
04/18/1990EP0363422A1 Integrated optical read/write head and apparatus incorporating same.
04/18/1990EP0363407A1 Projector.
04/18/1990CN1007669B Optical disc player
04/18/1990CA2000256A1 Method of making a color filter array element using a heated embossed surface
04/18/1990CA2000255A1 Thermally-transferred color filter array element
04/17/1990US4918504 Active matrix cell
04/17/1990US4918217 Memory device, opto-electronic display or non-linear optical device
04/17/1990US4918213 Having a trifluoromethyl group attached to asymmetric carbon atom; stable; optical devices
04/17/1990US4918028 Capillaries; fixed and labelled reagents
04/17/1990US4917973 Electrochromic device utilizing color change due to change in stage structure of graphite intercalation compound
04/17/1990US4917819 Good stability, low viscosity, large dielectric ansiotropy
04/17/1990US4917818 Nematic liquid crystal composition
04/17/1990US4917477 Automatic rearview mirror system for automotive vehicles
04/17/1990US4917476 Thermal imagers using liquid crystal sensing elements
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