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Class 359/318 - By reflection


Subclass of Class 359 - Optical: systems and elements
Definition: Subject matter wherein the electro-optic directional modulator
No. of patents: 174
Last issue date: 08/30/2011


1          
NumberTitleIssue Date
8009349Electrically controlled optical elements and method
The effective focal length of an optical system can be electronically controlled using switchable wave plates in conjunction with polarized light. ...
08/30/2011
7898729Combinational PZT and MEMS beam steering
Beam steering systems and methods are disclosed according to various embodiments. A beam steering system may include a laser that produces a beam of light. The beam of light may then be directed through a piezoelectric tube that includes a light guide and one or mor...
03/01/2011
7826131Tunable photonic crystal device
This application describes a tunable photonic crystal device based on the electrical actuation of photonic crystal films. This device displays non-bleachable structural color, reflecting narrow bands of wavelengths tuned throughout the entire visible spectrum by exp...
11/02/2010
7428092Fast-response micro-mechanical devices
A spatial light modulator includes a mirror plate comprising a reflective upper surface, a lower surface having a conductive surface portion, and a substrate portion having a first cavity having an opening on the lower surface, a second cavity in the substrate porti...
09/23/2008
7424330Method and apparatus for controlling deformable actuators
In order to prevent negative effects of imprinting an the addressing accuracy of deformable actuators, a method for controlling deformable actuators has, during an event period, driving the first and the second deformable actuator for causing the deformable actuator...
09/09/2008
7405857Light 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 a second polymeric material disposed as a plurality of elongated str...
07/29/2008
7397018Amplitude and phase controlled adaptive optics system
An adaptive optics system is provided. The system includes a light source, a pair of deformable mirrors and a detection module. The light source is configured to provide an outgoing beam. The outgoing beam has an amplitude and a phase. The first deformable mirror is...
07/08/2008
7388701Optical modulator
An optical modulator having a junction layer is disclosed. An optical modulator may be provided which includes a substrate, an insulation layer positioned on the substrate, a ribbon layer positioned with an intermediate portion spaced apart from the insulation layer...
06/17/2008
7373026MEMS device fabricated on a pre-patterned substrate
A microelectromechanical systems device fabricated on a pre-patterned substrate having grooves formed therein. A lower electrode is deposited over the substrate and separated by an orthogonal upper electrode by a cavity. The upper electrode is configured to be movab...
05/13/2008
7372608Light control device and light control system using the same
A light control device includes a substrate, a first reflective layer, a light modulating film in which the refractive index varies according to an applied electric field, a transparent electrode, and a second reflective layer having a reflection characteristic such...
05/13/2008
7372607Apparatus 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 disperses the optical signal. The spatially dispersed optical signal ha...
05/13/2008
7372620Micromirror and micromirror device
There is provided a micromirror which includes a holding unit, a mirror that is held by the holding unit to be pivotable about a rotation axis of the mirror, a first fixed electrode group including a plurality of electrodes fixed to the holding unit, a second fixed ...
05/13/2008
7372613Method and device for multistate interferometric light modulation
A multi-state light modulator comprises a first reflector. A first electrode is positioned at a distance from the first reflector. A second reflector is positioned between the first reflector and the first electrode. The second reflector is movable between an undriv...
05/13/2008
7365895Display device
A display device comprising the following arranged from light input side in the order listed below: a first reflector having a semi-transmissive and semi-reflective property; a translucent porous body having a plurality of pores in which a translucent material is fi...
04/29/2008
7362485Image display medium, image writing device, and image forming apparatus
An image display medium comprising: a display layer; a pair of substrates that retain the display layer therebetween, with at least parts of the pair of substrates configuring a frame portion to which an electrical connection connector for electrical connection to t...
04/22/2008
7359103Transmission type spatial light modulator and transmission type spatial light modulation array device
A transmission type spatial light modulatoris equipped with a minute transparent optical member for deflecting light in a direction different from an incident direction of incident light and emitting the light, a support member for supporting the minute transparent ...
04/15/2008
7355677System and method for an improved illumination system in a lithographic apparatus
An array of individually controllable elements for use in lithography in which each of the individually controllable elements is comprised of a planar reflector mounted on supports on a substrate by way of elongate hinges. ...
04/08/2008
7319553Optical 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 bonded to a substrate, and an opening of the substrate is blocked us...
01/15/2008
7304784Reflective display device having viewable display on both sides
An interferometric light modulating device having two viewing surfaces is provided. In some embodiments, the device can generate two distinct images, one on each side of the device, simultaneously. ...
12/04/2007
7304782Driving method of spatial light modulator array, spatial light modulator array, and image forming apparatus
A driving method of a spatial light modulator array having plural spatial light modulators of micro-electro-mechanical system, the plural spatial light modulators each including: a movable part supported to be capable of being elastically displaced and provided with...
12/04/2007
7295360Structure 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 elements. The film has a La concentration in the range of 5 at % to 30...
11/13/2007
7292382Light 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 plurality of pairs of electrodes arranged two-dimensionally on the light mo...
11/06/2007
7286764Reconfigurable modulator-based optical add-and-drop multiplexer
An optical add and drop multiplexer system comprising a first module for providing a first signal; a second module for providing a second signal; and a modulator for receiving a channel of the first signal at a first location, the first location configured to actuat...
10/23/2007
7280267Device for remotely stimulating and measuring electronic signals through a fiber optic cable
An optoelectronic system includes an optical signal modulator, an optical input guide and an optical output guide connected to the optical signal modulator. The system further includes a reflective optical element in the optical signal modulator, the element dispose...
10/09/2007
7280265Interferometric modulation of radiation
An Interferometric Modulator (IMod) is a microelectromechanical device for modulating light using interference. The colors of these devices may be determined in a spatial fashion, and their inherent color shift may be compensated for using several optical compensati...
10/09/2007
7277217Optical deflecting device, optical deflecting device manufacturing method, and optical projecting device
Bearing portions having an approximately arc shape are provided on a lower surface of a plate-shaped member. In the bearing portions, stoppers of a regulating member are embedded. With the engagement of the lower surface of the plate-shaped member and the apex of a ...
10/02/2007
7262898Apparatus 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 array comprising a plurality of modulating components, wherein adjace...
08/28/2007
7226200Light guiding device with two opposite light emitting surfaces and backlight module using the same
A backlight module (1) has a light guiding device (2) and a light source (200). The light guiding device has a single light guide plate (20), and a reflection member (26). The single light guide plate has a light incidence surface ...
06/05/2007
7221495Thin film precursor stack for MEMS manufacturing
This invention provides a precursor film stack for use in the production of MEMS devices. The precursor film stack comprises a carrier substrate, a first layer formed on the carrier substrate, a second layer of an insulator material formed on the first layer, and a ...
05/22/2007
7215461MEMS devices with increased damping for suspended movable structures
In one embodiment, a light modulator includes a substrate and a number of modulator elements disposed above and spaced apart from the substrate. Each modulator element has an optically active portion adapted to receive light incident thereon, and a support portion o...
05/08/2007
7207678Prism 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 critical angle of these prisms is selected to affect either the off-st...
04/24/2007
7209212Tunable optical integrated element using liquid crystal as active layer
The present invention discloses a tunable optical integrated element using liquid crystal as an active layer, which is applied to filters, couplers or optical add/drop multiplexer. The present invention includes a layer of liquid crystal as an active layer, a first ...
04/24/2007
7199927Optical element and optical add-drop module
In an optical element, a first mirror stack layer is formed on a substrate, and a spacer layer made of a paraelectric material having a secondary electrooptic effect is formed thereon through a first conductive thin film. Further, a second mirror stack layer is form...
04/03/2007
7196830Optical deflector having neutral surface of bending in movable member in different plane from neutral surface of bending in elastic support member
An optical deflector including a support substrate, a movable member, a reflective face, and a mounting structure for fixing the support substrate thereto. The movable member is rotatably or swingingly supported by the support substrate through elastic support membe...
03/27/2007
7187487Light modulator with a light-absorbing layer
A spatial light modulator includes a first region and a second region. A light-absorbing layer contacts at least a portion of the second region. The light absorbing layer includes a first layer and a second layer, the second layer having a reflectivity less than abo...
03/06/2007
7187485Integrated continuous spectrum spatial light modulator
A novel spatial light modulator system has a high fill factor MEMS array of tilting mirrors used to attenuate wavelength channels in an optical network and an interface control circuit controlling the tilting mirror array via received control signals. The control si...
03/06/2007
7177081High contrast grating light valve type device
A grating light valve has with a plurality of spaced reflective ribbons are spatially arranged over a substrate with reflective surfaces. The grating light valve is configured to optimized the conditions for constructive and destructive interference with an incident...
02/13/2007
7164520Packaging for an interferometric modulator
A package is made of a transparent substrate having an interferometric modulator and a back plate. A non-hermetic seal joins the back plate to the substrate to form a package, and a desiccant resides inside the package. A method of packaging an interferometric modul...
01/16/2007
7151866Optical device module
An optical device module includes an optical device with a plurality of electrodes disposed at predetermined positions, a substrate disposed oppositely to the optical device and with wiring patterns for connecting to the electrodes, and a wiring which connects the e...
12/19/2006
7149028Transmissive-diffractive light modulator
The present invention provides a transmissive-diffractive light modulator in which a substrate having the same structure as that of a conventional diffractive light modulator has a light transmittance gate or is made of a transparent material, thus diffracting incid...
12/12/2006
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