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7453620 Spatial optical modulation element and spatial optical modulation method  
To provide a spatial optical modulation element having a long life free from a deterioration of optical modulation characteristics even if a high power laser beam with an ultra-short pulse is used...
7440590 System and technique for retrieving depth information about a surface by projecting a composite image of modulated light patterns  
A technique, associated system and program code, for retrieving depth information about at least one surface of an object. Core features include: projecting a composite image comprising a plurality...
7405857 Light emitting diode (LED) device and method of making same  
A light managing screen may provide a rear projection screen, front projection screen or component thereof. The screen may comprise a polymeric composition including a first polymeric material, and...
7372607 Apparatus for reducing drops in a transmission spectrum due to inter-pixel gaps  
The invention includes an apparatus for modulating an optical signal. The apparatus includes a spatial dispersion mechanism and a modulating mechanism. The spatial dispersion mechanism spatially...
7355780 System and method of illuminating interferometric modulators using backlighting  
An interferometric modulator array device with backlighting is disclosed. The interferometric modulator array device comprises a plurality of interferometric modulator elements, wherein each of the...
7319553 Optical modulator module package structure  
Disclosed herein is an optical modulator module package structure. In the optical modulator module package structure, an optical modulator device and a drive integrated circuit device are flip-chip...
7295360 Structure having light modulating film and light control device using the same  
A structure includes a substrate and a light modulating film formed on top of the substrate. The light modulating film is made of polycrystalline PLZT containing Pb, Zr, Ti, and La as constituent...
7292382 Light control unit  
A light control unit comprises: a substrate; an insulating film; a first transistor; a reflecting film formed on the insulating film; a light modulating film formed on the reflecting film; a...
7280263 Reflective spatial light modulator  
A micro-mirror array that is useful, for example, in a reflective spatial light modulator. In one embodiment, the micro mirror array includes spacer support walls, a vertical torsion hinge, and a...
7262898 Apparatus for reducing drops in a transmission spectrum due to inter-pixel gaps  
The invention includes an apparatus for modulating an optical signal. The apparatus includes a modulating mechanism comprising a plurality of modulating component arrays, each modulating component...
7207678 Prism for high contrast projection  
Prism elements having TIR surfaces placed in close proximity to the active area of a SLM device to separate unwanted off-state and/or flat-state light from the projection ON-light bundle. The TIR...
7190504 Electro-optical device and electronic apparatus  
An electro-optical device is provided comprising an electro-optical material and means for applying an electric field to the electro-optical material, in which a plurality of pixel regions D R , D...
7065300 Optical transmitter including a linear semiconductor optical amplifier  
An improved optical transmitter comprises a vertically lasing semiconductor optical amplifier (VLSOA) coupled to an external modulator and/or a laser source. The VLSOA, external modulator and laser...
7057788 Spatial light modulator and light pulse waveform controller  
A chirp compensation dielectric multilayer film mirror ( 10 ) reflects an incident light in a predetermined wavelength range and has group delay characteristics that prevent at least one of the...
7038752 Optical interference type of color display  
An optical interference color display comprising a transparent substrate, an inner-front optical diffusion layer, a plurality of first electrodes, a patterned support layer, a plurality of optical...
6898018 Luminous display element  
In a luminous display element, a retro-reflector is provided on the back side of an organic EL layer which includes an emission layer whose state changes between an emission state and a...
6891987 Multi-aperture beam steering system with wavefront correction based on a tunable optical delay line  
A true-time delay feeder for multiple aperture beam steering devices. The feeder comprises a plurality of tunable time delay modules. The tunable time delay modules provide different delays to...
6867833 Transflective mode color liquid crystal display  
The present invention discloses a transflective mode color liquid crystal display, whose white backlight source is composed of several narrowband monochromatic light sources. A color filter for...
6865011 Self-stabilized electrophoretically frustrated total internal reflection display  
An image display has a transparent front sheet with a prismatically microstructured inward surface and a rear sheet substantially parallel to and spaced from the front sheet. An electrophoretic...
6865007 Complex frequency response filter and method for manufacturing the same  
There is provided a complex frequency response filter providing a frequency response having a desired shape. A first complex frequency response filter includes a first and a second reflecting...
6844956 Reflective display device and retro-reflector used therefor  
A reflective display device includes a switching layer, placed between substrates, for switching between a transmissive state for allowing transmission of incident light and a scattering state for...
6829073 Optical reading system and method for spectral multiplexing of resonant waveguide gratings  
An optical reading system is described herein which can be used to detect the presence of a biological substance (e.g., cell, drug, chemical compound) on a surface of a grating-based waveguide...
6657766 Reflective display device and retro-reflector used therefor  
A reflective display device includes a switching layer, placed between substrates, for switching between a transmissive state for allowing transmission of incident light and a scattering state for...
6646782 Solid-state surface plasmon light valve and tunable filter  
An all solid-state light valve and tunable filter that uses color-selective absorption at a metal-dielectric interface by surface plasmons. The solid-state surface plasmon light valve and tunable...
6618204 Light modulator, light source using the light modulator, display apparatus using the light modulator, and method for driving the light modulator  
A light modulator is comprised of two unit devices each using surface plasmon generated at the interface between thin metal films respectively formed on prisms and an electro-optical material, and...
6618027 Light modulator, light source using the light modulator, display apparatus using the light modulator, and method for driving the light modulator  
A light modulator is comprised of two unit devices each using surface plasmon generated at the interface between thin metal films respectively formed on prisms and an electro-optical material, and...
6611367 Surface plasmon optical modulator element  
A surface plasmon optical modulator element includes a dielectric material block disposed so that light-to-be-modulated travels through the interior of the dielectric material block and impinges...
6580490 Method and apparatus for printing images in multiple formats using a spatial light modulator  
A printer ( 100 ) able to print in a plurality of output formats depending on width of media ( 160 ) loaded in the printer ( 100 ) is disclosed. The printer ( 100 ) provides high resolution and...
6535323 Light-switching device  
The invention relates to a switching device having shorter switching times. The device comprises a switchable layer ( 3 ), which is switched between a reflecting and an absorbing state by changing...
6504651 Light modulator, light source using the light modulator, display apparatus using the light modulator, and method for driving the light modulator  
A light modulator is comprised of two unit devices each using surface plasmon generated at the interface between thin metal films respectively formed on prisms and an electro-optical material, and...
6480641 Method and apparatus for optically modulating light through the back side of an integrated circuit die along the side walls of junctions  
An optical modulator that modulates light through the back side of a flip chip packaged integrated circuit die. In one embodiment, an optical modulator includes a p-n junction having a side wall...
6441947 Method and apparatus for optical beam steering based on a chirped distributed bragg reflector  
An optical beam steerer includes one or more layers of electro-optically active material in which is formed a chirped distributed Bragg reflector. An electric field generated across the...
6384979 Color filtering and absorbing total internal reflection image display  
A color image display having a spatially uniform distribution of at least two different “types” of prism structure. The first type consists of a prism, a color filter associated with one of the...
6384953 Micro-dynamic optical device  
Disclosed is an optical modulating device capable of use as a light-valve, display, optical filter or Fabry-Perot cavity, for example. The device lends itself to batch processing, and is compatible...
6310713 Optical system for miniature personal displays using reflective light valves  
An illumination system and display are disclosed that include a light for providing light, a polarizing beam splitter (PBS) having a first surface that receives the light from the backlight. The...
6304365 Enhanced effective refractive index total internal reflection image display  
The invention provides an image display for viewing images in a preferred viewing direction. The display has parallel, macroscopically planar, structured surface, non-light absorptive light...
6285487 Light modulation system including a superconductive plate assembly for use in a data transmission scheme and method  
A method and apparatus for modulating light, wherein a light source provides light of a certain wavelength to be modulated by a layer of superconducting material which forms part of a specifically...
6278540 Efficient color filtering and beam steering based on controlled total internal reflection  
Efficient color filtering and beam steering by combining the total internal reflection and the electro-optic effect in a special way.
6169624 Achromatic optical modulators  
Micromachined grating modulators which exhibit achromatic behavior are described. One embodiment includes narrow and wide ribbons suspended above a substrate and alternatingly interleaved with each...
6166846 Through silicon modulator and method  
A through silicon optical modulator alters a phase of a light beam which enters the back of a silicon die. The modulator can be formed as a PMOS transistor fabricated in an n-well, or can be an...
6097456 Efficient color display using low-absorption in-pixel color filters  
A display system having a non-absorbing and reflective color filtering array and a reflector to improve light utilization efficiency. One implementation of the color filtering array uses a surface...
6061166 Diffractive light modulator  
A modulator for modulating an incident beam of light having a wavelength λ including a base having a surface; an electrode formed over the surface of the base; a plurality of equally spaced apart...
6028693 Microresonator and associated method for producing and controlling photonic signals with a photonic bandgap delay apparatus  
By applying a photonic signal to a microresonator that includes a photonic bandgap delay apparatus having a photonic band edge transmission resonance at the frequency of the photonic signal, the...
5986796 Visible spectrum modulator arrays  
Light in the visible spectrum is modulated using an array of modulation elements, and control circuitry connected to the array for controlling each of the modulation elements independently, each of...
5966234 Retro-reflecting electroabsorption optical modulators  
An optical fiber compatible modulator device provides high-contrast levels switchable using modest applied voltages. As a two-port optical modulator, a normal light signal incident at a first port...
5959777 Passive high efficiency variable reflectivity image display device  
A variably reflective display device amenable to multiple pixel display applications. Each pixel has at least one element having a reflective state in which incident light undergoes total internal...
5920418 Diffractive optical modulator and method for producing the same, infrared sensor including such a diffractive optical modulator and method for producing the same, and display device including such a diffractive optical modulator  
The diffractive optical modulator of the invention includes: a plate having a portion functioning as a first electrode; a spacer layer formed on the plate; and a grating consisting of a plurality...
5910855 Passive acousto-optic modulator  
A passive acousto-optic modulator for the modulation of a light beam as a function of a variation in air pressure comprising a beam splitter arranged relative to the beam so as to produce a signal...
5896005 High speed solid state optical display  
A display device is disclosed including a plurality of pixels arranged in a predetermined configuration. Each pixel including a mirror element disposed over a flat surface. A light modulating...
5886807 Traveling-wave reflective electro-optic modulator  
A traveling-wave electro-optic modulator using reflected signals to achieve a one-time rephasing. For a given crystal length, the interaction length is effectively doubled and a 3-dB gain is...
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