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7956940 |
Display system
A display system includes a liquid crystal display (10) including a backlight (3), a liquid crystal display panel (1), and a viewing angle control panel (2) for controlling the viewing angle of the...
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7920225 |
Electronic apparatus with protective panel
An electronic apparatus with a protective panel, includes a display device 3 having a display section 3A, an enclosure 2 having a display window 2A which is open in one direction and mounts therein...
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7872695 |
Process of producing optical compensation sheet, polarizing plate comprising an optical compensation sheet produced by said process, and liquid crystal display device
A process of producing an optical compensation sheet is provided, which comprises applying a solution comprising a liquid crystalline compound and a photo-polymerization initiator on a transparent...
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7742664 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Liquid crystal waveguide having refractive shapes for dynamically controlling light
Liquid crystal waveguides for dynamically controlling the refraction of light. Generally, liquid crystal materials may be disposed within a waveguide in a cladding proximate or adjacent to a core...
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7561767 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Liquid crystal waveguide having refractive shapes for dynamically controlling light
Liquid crystal waveguides for dynamically controlling the refraction of light. Generally, liquid crystal materials may be disposed within a waveguide in a cladding proximate or adjacent to a core...
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7417628 |
Liquid crystal display apparatus
A liquid crystal display apparatus comprises a liquid crystal display panel including a display region, a planar light source device having a light exit surface which faces the liquid crystal...
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7382512 |
Resistivity phase change material
Various devices and methods employing a resistive phase change material are disclosed.
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7345669 |
Photometric device of liquid crystal display and liquid crystal display
A photometric device of liquid crystal display and a liquid crystal display in which photometry can be performed without relying upon manpower and the liquid crystal plane is shielded only at the...
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7309132 |
Modular keypad assembly
A modular keypad assembly for use with a projection device is provided. This modular keypad assembly may include a user input through which a user may operate the projection device. Such a modular...
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7058252 |
Optical switching apparatus
A light direction switching apparatus and method is described. The light direction switching apparatus comprises a passive birefringent lens (138), e.g. a birefringent lenticular screen, and a...
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6831708 |
Image display apparatus
As a structure capable of housing a recording/reproducing unit within a thin type image display apparatus without damaging the characteristic of the thin-type image display apparatus such as a...
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6819335 |
Number-of-gradation-levels decreasing method, image displaying method, and image display
A liquid crystal display 200 comprises a 1024-to-1021 gray scale conversion calculator 1 for converting an image data A(1024) of 1024 gray levels (=10 bits) into an image data Y(1021) of 1021 gray...
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6762882 |
System and method for use of dark field fourier diaphragm in multi-frequency imaging
An imaging system is disclosed that includes an illumination source, a modulator and a variable Fourier diaphragm. The illumination source produces a first illumination field having a first...
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6680797 |
Spatial light modulators for full cross-connections in optical networks
A polarization-independent optical switch is disclosed for switching at least one incoming beam from at least one input source to at least one output drain. The switch includes a polarizing beam...
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6661495 |
Pancake window display system employing one or more switchable holographic optical elements
An optical system including one or more switchable holographic optical elements is described for use with a pancake window display system. Each of the switchable holographic optical elements of the...
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6654156 |
Image display system
An image display system, e.g. for projection type displays, has an electrically addressed spatial light modulator or EASLM (1) and an optically addressed spatial light modulator or OASLM (5). An...
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6529254 |
Optical element and method for manufacturing the same, and optical apparatus and method for manufacturing the same
It is the object of the present invention to provide an optical element for controlling the polarization state spatially by using a liquid crystal and a method for manufacturing the same, and to...
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6525879 |
Optical filtering apparatus and method
An optical filtering apparatus and method, wherein at least one polarizer is located in the path of radiation passing through a birefringent medium. The invention can be used to process...
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6515717 |
Computer-based system for producing multi-color multilayer images on substrates using dry multi-colored cholesteric liquid crystal (CLC) pigment materials applied to binder material patterns
A computer-based system for producing a multi-color multilayer image on a substrate using multi-colored cholesteric liquid crystal (CLC) pigment materials made from CLC flakes tuned to...
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6348990 |
Spatial light modulator and spatial light modulating method
A signal image is transmitted by write light from a transmission type liquid crystal element 4 to an optically-addressed type parallel-aligned nematic-liquid-crystal spatial light modulator 6. The...
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6252570 |
Polarized three-demensional video display
A display system, display device and add-on for a display device are disclosed to provide for viewing a three-dimensional image using polarization. The image is separated into first eye and second...
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6191829 |
Optical apparatus for optically rotating a portion of a polarization axis of a linearly polarized light
An optical apparatus provided with a focusing optics (104) for focusing linearly polarized light has a construction wherein an optical rotatory element (103) having a region for optically rotating...
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6011643 |
Device with a laser for image presentation
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5978053 |
Characterization of collimation and beam alignment
An apparatus and method for characterizing light beam collimation and alignment. A liquid crystal device receiving a light beam from a collimation lens has a lenslet array generated thereon. A...
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5963291 |
Optical attenuator using polarization modulation and a feedback controller
An optical power regulator employs a variable optical attenuator having a first birefringent element that spatially separates the input optical beam into two orthogonally-polarized beams. Both...
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5847788 |
Optical information processor
An optical information processor according to the present invention comprises a spatial light modulator 1 illuminated by linearly polarized coherent light and a linear polarization detector element...
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5841489 |
Phase-only optically-addressed type spatial light modulator
In a spatial light modulator of the present invention, a photoconductive layer formed of photoconductive material receives write light having a spatial distribution in its intensity and changes...
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5798864 |
Projection type image display apparatus
A projecting type image display apparatus includes a calculation processing unit for calculating a Fraunhofer diffraction image of an original image, an image display unit for producing/displaying...
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5663832 |
Device for and method of real-time simulation of atmospheric effects on an image
The present invention discloses a device for and method of simulating an image in real time under turbulent atmospheric conditions. The present invention is realized by expanding a first laser beam...
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5623352 |
Ferroelectric liquid crystal spatial light modulator with two threshold characteristics
By using a ferroelectric liquid crystal light valve having a hydrogenated amorphous silicon photoconductive layer, a spatial light modulator may be driven by a method comprising the sequential...
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5515189 |
Neural network device and image recognition method employing photoconductive liquid crystal device with patterned electrode
A light modulation device comprising a first transparent electrode layer, a photoconductive layer, a conductive electrode, a light modulation layer, and a second transparent electrode layer formed...
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5444651 |
Non-volatile memory device
As a memory medium, a liquid crystal composite or a composite including a liquid crystal component in a molecule is used. The memory medium is heated by a heat generating layer which is heated by a...
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5420709 |
Liquid crystal spatial light modulator for edge detection employing diffusion in the photoconductive layer to enlarge image
An edge image extraction light modulator forms an edge portion image corresponding to a boundary between two optically equalized portions of a liquid crystal layer. Each portion has a different...
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5416620 |
Pockels cell with AC driving voltage at frequency of periodic variation of writing light source
Disclosed is a picture information memory device, including a picture information memory means for generating electric charges corresponding to the intensity of write-in light incident thereon, and...
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5416618 |
Full complex modulation using two one-parameter spatial light modulators
Full complex spatial light modulation is enabled by an optically additive combination of the actions of separate and independent spatial light modulators, even though the independent modulators can...
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5383042 |
3 layer liquid crystal neural network with output layer displaying error value for optical weight updating
An optical information processor for use as a matrix vector multiplier comprises a vector input spatial light modulator (1) and an optically addressed weight matrix spatial light modulator (3). A...
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5327274 |
Optical calculating apparatus
An optical calculating apparatus which can perform operations by optically controlling incident light and hence perform such operations very rapidly and in parallel is provided. A unit component is...
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5321536 |
Liquid crystal operation device and an image system using the same
A liquid crystal operation device including a pair of substrates opposed to each other; a liquid crystal layer interposed between the substrates; and a plurality of first electrodes and a plurality...
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5287431 |
Neural network using liquid crystal for threshold and amplifiers for weights
A neural network type data processing system in which an optical input is received and a normalized optical output is generated. A plurality of light receiving regions of a photovoltaic material...
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5268679 |
Optical data processing device
An optical data processing device has successive light intensity modulating levels, each level including a matrix of cells (35), each cell having therein an element (31) of electrically...
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5263096 |
Opto-electronic morphological processor
The opto-electronic morphological processor of the present invention is capable of receiving optical inputs and emitting optical outputs. The use of optics allows implementation of parallel...
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5227902 |
Spatial light modulator with a photoconductor on each side of a light modulation layer
A spatial light modulator which includes a light modulation layer which is interposed between two photoconductive layers and laminated to both layers; the two photo conductive layers have charge...
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5220445 |
Optical image processor
There is provided an optical image processor for forming a charge image according to a first optical image by photoelectric effect when illuminated with an electro-magnetic radiation beam for...
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5168382 |
Optically addressed liquid crystal light valve and optical logic device using the same
An optically addressed liquid crystal light valve includes a first substrate on which a plurality of liquid crystal driving circuits are formed, a second substrate provided with a transparent...
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5132811 |
Holographic operating optical apparatus
A holographic apparatus has an inferometer for concurrently irradiating an image recording medium by a writing reference light of spherical or plane wave form and a signal light containing image...
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5113282 |
Dual light valve system with selective decoupling of light valves
Apparatus for selectively limiting the response of an auxiliary liquid crystal light valve which is used in a dual liquid crystal light valve laser optics system for correcting inherent liquid...
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5107351 |
Image enhanced optical correlator system
An image enhanced optical correlator system providing for optical preprocessing of an input image prior to processing thereof in an optical correlator. The optical preprocessing is provided to...
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5076662 |
Electro-optical IFS finder
An electro-optical system that implements the self-tiling process of fining proper Iterated Function Systems for modeling natural objects. The system can operate in two different modes, a real-time...
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5071231 |
Bidirectional spatial light modulator for neural network computers
Digital data processing unit includes two SLMs assembled back-to-back with a common photoreceptor, to form a bidirectional spatial light modulator (BSLM) which facilitates the flow of data in the...
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5056897 |
Spatial light modulating element and neural network circuit
A spatial light modulator and a neural network circuit are disclosed. The modulator is used in pattern recognition and has an arrangement in which a photoconductive layer held between conductive...
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