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)
11/1988
11/15/1988US4784475 Optical relay whose target is cooled by a controlled temperature gradient heat exchanger
11/15/1988US4784473 Ferroelectric optical switching
11/15/1988US4784472 Optical control system and method
11/15/1988US4784471 2-fluorobenzonitrile derivatives and their use in optical display devices
11/15/1988US4784470 Optical switching device
11/15/1988US4784451 Waveguide optical switches
11/15/1988US4784450 Apparatus for generating and amplifying new wavelengths of optical radiation
11/15/1988US4784449 High resolution acousto-optical light deflector
11/15/1988CA1244925A1 Electrochromic devices
11/09/1988EP0290329A1 Integrated optical waveguide, method of manufacturing it, and its use in an electro-optical modulator
11/09/1988EP0290301A1 Active matrix screen for displaying colour television pictures, driving system and method of manufacturing such a screen
11/09/1988EP0290093A1 Electroscopic fluid display and method of manufacturing thereof
11/09/1988EP0290069A1 A method of etching a semiconductor body
11/09/1988EP0290061A1 Linear addition polymer with hyperpolarizable side groups
11/09/1988EP0289948A1 A polarization controller
11/09/1988EP0289871A1 TE-TM mode converter
11/09/1988EP0289819A2 Modulated laser source for optical storage
11/09/1988EP0289786A2 Use of compounds or of mixtures of compounds presenting a chiral, orthogonal, highly ordered smectic phase as switch or display medium in the region of this phase
11/09/1988EP0289544A1 Electron beam addressed liquid crystal light valve.
11/09/1988CN88100679A Process for producing optical waveguide and product therefrom
11/08/1988US4783721 Cooling system for an electronic circuit device
11/08/1988US4783653 Low drive voltage display device
11/08/1988US4783528 Steroidal lariat ethers
11/08/1988US4783152 Variable focal length lens
11/08/1988US4783151 Devices utilizing pendant quinodimethane-containing polymers
11/08/1988US4783150 Thermally electrically or magnetically controllable lyotropic liquid crystal optical devices
11/08/1988US4783149 Time-sharing drive liquid crystal optical switch array and optical printer using this optical switch array
11/08/1988US4783148 Ferroelectric liquid crystal device
11/08/1988US4783147 Active matrix display screen without spurious transistor
11/08/1988US4783146 Liquid crystal print bar
11/08/1988US4783145 Multiple gradation dot-matrix picture forming method
11/08/1988CA1244546A1 Electrooptic devices
11/08/1988CA1244545A1 Optical switch
11/08/1988CA1244273A1 Integrated optic circuit
11/03/1988WO1988008554A1 Optical device
11/03/1988WO1988008552A1 Ferroelectric liquid crystal devices
11/03/1988WO1988008551A1 Liquid crystal display for projection systems
11/03/1988WO1988008548A1 Optical device
11/03/1988WO1988008441A1 Electro-optical liquid crystal display element
11/03/1988DE3712730A1 Optical filter arrangement
11/02/1988EP0289415A1 Liquid-crystal matrix display screen provided with storage capacitors
11/02/1988EP0289332A1 Optical device
11/02/1988EP0289331A1 A variable optical coupler
11/02/1988EP0289304A2 Beam control device for a laser used in an optical memory system
11/02/1988EP0289275A1 Sampling of signals using travelling wave modulators
11/02/1988EP0289197A2 Electro-optical device
11/02/1988EP0289071A1 Liquid crystal display device
11/02/1988EP0289026A2 External circuit connecting method and packaging structure
11/02/1988EP0288910A2 Liquid crystal light valve utilizing hydrogenated amorphous silicon photodiode
11/02/1988EP0288813A1 Use of optically active 1,3-dioxolane-4-carboxylic-acid esters as doping agents in liquid crystals
11/02/1988EP0288778A2 Channel waveguide modulator
11/02/1988EP0216880B1 Cyclohexane derivatives
11/01/1988US4782492 Thermally controllable optical devices and system
11/01/1988US4782348 Device for high resolution recording of liquid crystal display images
11/01/1988US4782337 Matrix display device comprising two groups of row electrodes and two column electrodes for image element and its control process
11/01/1988US4782223 Optically bistable photodiode device with voltage control circuitry to change photodiode light absorption
11/01/1988US4781857 Halogen-containing pyridine compound and liquid crystal composition
11/01/1988US4781462 Path length control signal derivation circuit for a laser angular rate sensor
11/01/1988US4781444 Multicolor filters
11/01/1988US4781443 Pyrrole, thiophene or furan ring resins
11/01/1988US4781441 Method of controlling orientation of liquid crystal, device used therein and liquid crystal device produced thereby
11/01/1988US4781440 Stereoscopic optical instruments utilizing liquid crystal
11/01/1988US4781439 Twisted orientation
11/01/1988US4781438 Active-matrix liquid crystal color display panel having a triangular pixel arrangement
11/01/1988US4781437 Display line driver with automatic uniformity compensation
11/01/1988US4781426 Optical fiber collimator/switch including liquid crystal polarizing material
11/01/1988US4781425 Fiber optic apparatus and method for spectrum analysis and filtering
11/01/1988US4781424 Single mode channel optical waveguide with a stress-induced birefringence control region
11/01/1988CA1244164A1 Light valve display device having integrated driving circuits
10/1988
10/27/1988DE3811410A1 Liquid crystal display device
10/27/1988DE3711417A1 Liquid-crystal display device and method for producing the same
10/27/1988DE3711360A1 Use of materials or mixtures of materials, which have a chiral, higher-order smectic phase, in the region of this phase as a switching or display medium
10/26/1988EP0288304A2 Liquid crystal display device
10/26/1988EP0288220A2 Doped polymer films for waveguides
10/26/1988EP0288194A1 Chiral liquid crystal cell
10/26/1988EP0288168A2 Display device
10/26/1988EP0288073A2 Production of multicolor display
10/26/1988EP0288011A2 Liquid crystal display device and method of driving the same
10/26/1988EP0287996A2 Liquid crystal display and method of driving the same
10/26/1988EP0287880A1 Optical mixer and parametric up-converter
10/26/1988EP0287639A1 Optical device.
10/25/1988US4780732 Dual interaction TIR modulator
10/25/1988US4780543 Non linear optical element; crystals
10/25/1988US4780531 Dichoric dye for color liquid crystals having halogen substituted in perylene structure
10/25/1988US4780383 Optical storage system having expanded capacity
10/25/1988US4780242 Halogen-containing, optically active liquid crystal compound and liquid crystal composition containing same
10/25/1988US4779963 Optical image amplifier apparatus
10/25/1988US4779962 Containing liquid absorbable and releasable polymer
10/25/1988US4779961 4-(n-(2-(meth)acryoyloxyalk)piperazinyl)-41-nitrostilbene
10/25/1988US4779960 Twisted nematic liquid crystal display device having a particular pitch-to-thickness ratio
10/25/1988US4779959 Liquid crystal electro-optic modulator in a fabry-perot interferometer
10/25/1988US4779958 Liquid crystal device having different natural and induced twists
10/25/1988US4779957 Stress relieving interface
10/25/1988US4779956 Driving circuit for liquid crystal display
10/25/1988CA1243644A1 Illumination system reflector
10/20/1988WO1988008216A1 Optical amplifier
10/20/1988WO1988008150A1 Radiation pulse generation
10/20/1988WO1988008149A1 Method of illuminating flat panel displays to provide crt appearing displays
10/20/1988WO1988008148A1 Monolithic monomode waveguide isolator and application to a semiconductor laser
10/20/1988WO1988008147A1 Optical signal control method and apparatus
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