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Class 359/317 - Multiple reflections within cell


Subclass of Class 359 - Optical: systems and elements
Definition: Subject matter wherein the electro-optic directional modulator
No. of patents: 47
Last issue date: 07/29/2008


1    
NumberTitleIssue Date
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
7382958Photonic crystal wave guide optical spectrometer
An optical instrument for splitting optical spectrum, comprising a series of hollow core optical wave guides (12, 22, and so on) connected by optical couplers (16, 26, and so on) transporting broad band incident optical wave from one stage to another, ...
06/03/2008
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
7355780System 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 interferometric modulator elements comprises an optical cavity. The ...
04/08/2008
7317465Image display system and method
A method of displaying an image may include receiving image data for the image, and defining first and second sub-frames of the image. The first and second sub-frames may have corresponding pluralities of image elements, with each image element of the second sub-fra...
01/08/2008
7295726Gimbal-less micro-electro-mechanical-system tip-tilt and tip-tilt-piston actuators and a method for forming the same
Fully monolithic gimbal-less micro-electro-mechanical-system (MEMS) devices with large static optical beam deflection and fabrications methods are disclosed. The devices can achieve high speed of operation for both axes. Actuators are connected to a device, or devic...
11/13/2007
7268940Illuminating device
An illuminating device, as for a microscope, includes a light source and a reflecting filter system. The beam of light of the light source undergoes a plurality of reflections in the reflecting filter system. The entering beam of the reflecting filter system has an ...
09/11/2007
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
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
7172288Display device including a spatial light modulator with plural image regions
A display device includes a spatial light modulator and a light generator. The spatial light modulator may have an array of modulating elements with a plurality of image regions. The light generator may be configured to direct a different one of a plurality of subst...
02/06/2007
7167297Micromirror array
In order to minimize light diffraction along the direction of switching and more particularly light diffraction into the acceptance cone of the collection optics, in the present invention, micromirrors are provided which are not rectangular. Also, in order to minimi...
01/23/2007
7165851Optical frequency linear chirp variable unit
A linear opto-frequency chirp amount variable apparatus using a dielectric multilayer film mirror, which does not require the optical axis to be realigned each time the amount of a chirp is to be varied includes a pair of opposed, parallel, dielectric, multilayer fi...
01/23/2007
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
7075705Method for wavelength-selective mixing and/or distribution of polychromatic light
A method for wavelength-selective mixing and/or distribution of polychromatic light. When mixing polychromatic light, lights having only one wavelength are successively fed to each member of a selective chain to form a partial spectrum, and when distributing chromat...
07/11/2006
7057794Micromirror for MEMS device
A micromirror which includes a substrate, a reflective layer comprising pure aluminum overlying the substrate and a protective layer comprising titanium nitride overlying the reflective layer is disclosed. ...
06/06/2006
7042643Interferometric 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...
05/09/2006
7027207Double substrate reflective spatial light modulator with self-limiting micro-mechanical elements
A spatial light modulator includes an upper optically transmissive substrate held above a lower substrate containing addressing circuitry. One or more electrostatically deflectable elements are suspended by hinges from the upper substrate. In operation, individual m...
04/11/2006
7023607Double substrate reflective spatial light modulator with self-limiting micro-mechanical elements
A spatial light modulator including first and second substrate, and an array of deflectable elements disposed within a gap between the first and second substrates is disclosed herein. For electrostatically actuating the deflectable elements, an array of electrodes a...
04/04/2006
7023606Micromirror array for projection TV
In order to minimize light diffraction along the direction of switching and more particularly light diffraction into the acceptance cone of the collection optics, in the present invention, micromirrors are provided which are not rectangular. Also, in order to minimi...
04/04/2006
7022978Method and apparatus including in-resonator imaging lens for improving resolution of a resonator-enhanced optical system
A method and apparatus including in-resonator imaging lens for improving resolution of a resonator-enhanced optical system provides resolution improvements for optical inspection and measurement systems, optical storage and retrieval systems as well as other optical...
04/04/2006
7012731Packaged micromirror array for a projection display
In order to minimize light diffraction along the direction of switching and more particularly light diffraction into the acceptance cone of the collection optics, in the present invention, micromirrors are provided which are not rectangular. Also, in order to minimi...
03/14/2006
7012733Double substrate reflective spatial light modulator with self-limiting micro-mechanical elements
A spatial light modulator including first and second substrate, and an array of deflectable elements disposed within a gap between the first and second substrates is disclosed herein. For electrostatically actuating the deflectable elements, an array of electrodes a...
03/14/2006
7009754Double substrate reflective spatial light modulator with self-limiting micro-mechanical elements
A spatial light modulator includes an upper optically transmissive substrate held above a lower substrate containing addressing circuitry. One or more electrostatically deflectable elements are suspended by hinges from the upper substrate. In operation, individual m...
03/07/2006
7006275Packaged micromirror array for a projection display
In order to minimize light diffraction along the direction of switching and more particularly light diffraction into the acceptance cone of the collection optics, in the present invention, micromirrors are provided which are not rectangular. Also, in order to minimi...
02/28/2006
6975444Double substrate reflective spatial light modulator with self-limiting micro-mechanical elements
A spatial light modulator includes an upper optically transmissive substrate held above a lower substrate containing addressing circuitry. One or more electrostatically deflectable elements are suspended by hinges from the upper substrate. In operation, individual m...
12/13/2005
6947200Double substrate reflective spatial light modulator with self-limiting micro-mechanical elements
A spatial light modulator includes an upper optically transmissive substrate held above a lower substrate containing addressing circuitry. One or more electrostatically deflectable elements are suspended by hinges from the upper substrate. In operation, individual m...
09/20/2005
6947229Etalon positioning using solder balls
Two etalons in series may be angled to reduce parasitic reflections in the space between the two. The etalons may be soldered on either side of a post having an aperture there through to allow light to pass. Various sized solder balls and/or solder pads may be used ...
09/20/2005
6903487Micro-mirror device with increased mirror tilt
A micro-mirror device includes a substrate, at least one electrode formed on the substrate, and a reflective element spaced from the substrate and extending beyond the at least one electrode. The reflective element is adapted to move between a first position and at ...
06/07/2005
6373620Thin film electro-optic beam steering device
A light beam deflector comprising a modified asymmetric Fabry-Perot (Gires-Tournois) etalon having a back reflecting and electrically conducting mirror and a front partially transmitting mirror spaced apart by an electro-optic material, there also being a...
04/16/2002
6232936DMD Architecture to improve horizontal resolution
A method and device for increasing the effective horizontal resolution of a display device. One embodiment forms a cardinal array of digital micromirror elements by staggering alternate rows in an array. According to a second embodiment, an ordinal pixel ...
05/15/2001
6169634Illumination techniques for overcoming speckle artifacts in metrology applications
A method and apparatus for converting a beam of light that is substantially coherent and has a coherence length into substantially incoherent radiation. The method has the steps of collimating the beam, delaying a first portion of the beam by a first opti...
01/02/2001
5850308Scanning arrangement for fast access of memory and display
An access system based on piezo-electric transducer assembly or electro-optic device light beam deflector assembly which on application of electric signals deflects light beams, which are then passed through total internally reflecting surfaces to increas...
12/15/1998
5490009Enhanced resolution for digital micro-mirror displays
A display system (20) that uses multiple SLMs (25) to enhance horizontal or vertical resolution, or both. For example, to approximate a two-fold increase in horizontal resolution, the input data is sampled at a doubled rate, and each SLM (25) receives eve...
02/06/1996
5471290Image forming apparatus
An image forming apparatus for continuously feeding sheets and transferring images thereon, includes an endless type rotatable image forming body, an image forming unit for forming an image on the image forming body, a transfer unit for transferring the i...
11/28/1995
5452121Variable spectral resolution agile filter
A variable spectral resolution agile filter has instantly adjustable spectral resolution with no required mechanical motion and a quickly adjustable center wavelength. Adjustment of the center wavelength is accomplished by reliable piezoelectric actuators...
09/19/1995
5291566Total internal reflection electro-optic modulator for multiple axis and asymmetric beam profile modulation
The total internal reflection modulator has an electrode array distributed across an area of the reflecting surface of the electro-optic material. The electrode array has multiple sets of electrodes forming an outer rectangle interdigitated with at least ...
03/01/1994
4956619Spatial light modulator
A deflectable beam spatial light modulator formed from a structure of a reflecting layer, typically metal, on a spacer layer, typically photoresist, which in turn is on a substrate containing electronic addressing circuitry is disclosed. Also, the method ...
09/11/1990
4813774Skewed rhombus ring laser gyro
A ring laser gyro uses a nonplanar equilateral (skew rhombus) ring path. In the preferred embodiment, the mirrors used to produce such path are mounted on a supporting cube having passages cut in the path of a beam of electromagnetic energy propagating th...
03/21/1989
4403833Electrooptical multipliers
Apparatus (FIG. 2) receives light (11) in an input direction (12) and controls the directions in which portions of it travel through regions (13,14) to emerge (at 15) in an output direction (16) with intensity responsive to the product of two electrical p...
09/13/1983
4376568Thick film line modulator
A thick film line modulator/scanner (50) for use in an electro-optic line printer (14). A light valve utilizes a thin electro-optic layer (212) with the index of refraction of the layer being higher than the neighboring material so that the light can be g...
03/15/1983
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