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| Number | Title | Issue Date |
| 8153353 | Ultra dark polymer A method and a material for creating an antireflective coating on an integrated circuit. A preferred embodiment comprises applying a dark polymer material on a reflective surface, curing the dark polymer material, and roughening a top surface of the dark polymer mat... | 04/10/2012 |
| 8139851 | System and method for local value adjustment In accordance with the teachings of the present invention, a system and method for local value adjustment are provided. In one embodiment, the method includes identifying a hue, saturation, and brightness value for each pixel of an image, determining whether the hue... | 03/20/2012 |
| 8138588 | Package stiffener and a packaged device using the same A package frame for use in packaging microelectromechanical devices and/or spatial light modulators comprises a frame, a stiffener, and a heat dissipater. ... | 03/20/2012 |
| 8125558 | Integrated image capture and projection system An integrated system comprises a light valve and an image sensor for image display and image capture. The image sensor and the light valve share a common dual-function lens by positioning the light valve and image sensor at locations offset from the optical axis of ... | 02/28/2012 |
| 8111330 | Method and apparatus for analog graphics sample clock frequency offset detection and verification A method and apparatus for an analog-to-digital video signal converter. The converter is controlled by a clock with controllable frequency and phase for sampling an analog signal. A circuit corrects the clock frequency using a period of a columnar frame differences ... | 02/07/2012 |
| 8094234 | System and method for multistage frame rate conversion System and method for multistage frame rate conversion. A method comprises receiving an incoming frame at a first frame rate, and determining whether a fault condition exists. The method also includes if the fault condition does not exist, toggling a write buffer po... | 01/10/2012 |
| 8068267 | Speckle reduction in display systems that employ coherent light sources Speckle effect in display system is reduced by utilizing the instability of phase-coherent light and the transmission of the instable phase-coherent light through a multi-mode optical fiber with a suitable length. ... | 11/29/2011 |
| 8063911 | System and method for gamut mapping of out-of-gamut signals A system and method for gamut mapping out-of-gamut signals. A method includes adjusting each color in a color signal, determining a maximum color value of the color signal, in response to a determining that the maximum color value exceeds a maximum displayable color... | 11/22/2011 |
| 8059340 | Method and system for reducing speckle by vibrating a line generating element Provided is a method and system for reducing speckle in an image produced from a light source. The method, in one embodiment, includes providing a line generating element, the line generating element having a collection of optical elements having an axis. The method... | 11/15/2011 |
| 8059323 | Stabilizer for MEMS devices having deformable elements A stabilizer mechanism is coupled to a deformable element of a microelectromechanical device for reducing unwanted deformation of the deformable element by increasing the stiffness of the deformable element in selected other directions than the direction along which... | 11/15/2011 |
| 8054529 | System and method for displaying images System and method for simultaneous display of multiple images using a single light modulator array. A preferred embodiment comprises a light source that produces a light with desired spectral characteristics, a color filter optically coupled to the light source, and... | 11/08/2011 |
| 8052286 | System and method for utilizing a scanning beam to display an image A method includes generating a plurality of beams that each illuminate a separate portion of a spatial light modulator. The spatial light modulator has a first dimension of a first length and a second dimension of a second length. Each of the beams spans a portion o... | 11/08/2011 |
| 8049946 | Lubricating micro-machined devices using fluorosurfactants A method of lubricating MEMS devices using fluorosurfactants 42. Micro-machined devices, such as a digital micro-mirror device (DMD™) 940, which make repeated contact between moving parts, require lubrication in order to prevent the onset of stiction... | 11/01/2011 |
| 8047660 | Projection system and method including spatial light modulator and compact diffractive optics A method and apparatus for a projection display system includes a spatial light modulator and a volume illumination hologram. The spatial light modulator comprises a digital micromirror device, and the projection system includes a laser light source to produce a seq... | 11/01/2011 |
| 8042248 | Low cost window production for hermetically sealed optical packages Disclosed embodiments demonstrate batch processing methods for producing optical windows for micro-devices. The windows protect the active elements of the micro-device from contaminants, while allowing light to pass into and out of the hermetically sealed micro-devi... | 10/25/2011 |
| 8040305 | Constant-weight bit-slice PWM method and system for scrolling color display systems A display system 100 includes a light source 110 and a color wheel 114. An optical section 112 is arranged to receive light from the light source 110 and to direct the light toward a color wheel 114. A digital micromirror de... | 10/18/2011 |
| 8031403 | System and method for reducing visible speckle in a projection visual display system The invention provides an apparatus for reducing speckle in a projection visual display (PVD) system, a method of reducing visible speckle in a PVD system and a PVD system incorporating the method or apparatus. In one embodiment, the apparatus includes a diffuser in... | 10/04/2011 |
| 8031391 | System and method for operating light processing electronic devices A system and method for operating an electronic device used in light processing. A method comprises altering a spatial relationship between a spatial light modulator (SLM) and a light incident on the SLM, shifting light modulator states of a first portion of light m... | 10/04/2011 |
| 8031390 | Illumination source and method therefor An illumination source and a method therefor. A light source includes a light circuit configured to process light and direct light, and a lighting element optically coupled to the light circuit to provide multiple colors of light. The light circuit propagates light ... | 10/04/2011 |
| 8031265 | System and method for combining interlaced video frames System and method for combining interlaced video frames. A method embodiment for displaying a de-interlaced video sequence includes receiving a video stream, decoding the video stream to produce a sequence of interlaced video fields, creating a first de-interlaced v... | 10/04/2011 |
| 8027108 | System and method for projection systems using sequential color techniques A projection system using a sequential color filter is provided. The sequential color filter utilizes various colors, such as red, blue, and green, divided into segments to produce images. Each color may be divided into two or more segments and arranged such that hi... | 09/27/2011 |
| 7999833 | Deinterleaving transpose circuits in digital display systems The present invention provides a method and apparatus of converting a stream of pixel data in space and time into a stream of bitplane data. In particular, the present invention converts the pixel data stream according to a predetermined output format. The apparatus... | 08/16/2011 |
| 7997744 | Electrically conductive protection layer and a microelectromechanical device using the same A deformable hinge for use in microelectromechanical devices comprises a protection layer that is electrically conductive. The protection layer is on top of another hinge layer; and is more resistive than the hinge layer to the etchant used in during patterning and/... | 08/16/2011 |
| 7995279 | Color light combiner For combining light from different light sources that are spatially apart, an optical system comprises a prism assembly that comprises a totally-internally-surface and a dichroic filter. The totally-internally-surface and the dichroic filter are configured for refle... | 08/09/2011 |
| 7995264 | System and method for actuation of spatial light modulators A system comprises a spatial light modulator comprising a plurality of modulation elements, the spatial light modulator operable to receive an optical signal comprising one or more optical channels, wherein the elements are operable to perform an optical function on... | 08/09/2011 |
| 7995258 | Angle diversity antispeckling in spot displays Improvement of speckling noise is discussed in which a central light beam received at a double-sided mirror is divided into a plurality of sub-beams. An intensity of these sub-beams decays from a second sub-beam to a last sub-beam of the plurality. Each sub-beam is ... | 08/09/2011 |
| 7994600 | Antireflective coating Device and method for an antireflective coating to improve image quality in an image display system. A preferred embodiment comprises a first high refractive index layer overlying a reflective surface of an integrated circuit, a first low refractive index layer over... | 08/09/2011 |
| 7993014 | 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 critical angle of these prisms is selected to affect either the off-st... | 08/09/2011 |
| 7982827 | System and method for dynamically altering a color gamut System and method for dynamically altering a color gamut used in projection display systems. An embodiment comprises determining a dim color from colors used in representing an image, adjusting the dim color to increase an available display time for a non-dim color ... | 07/19/2011 |
| 7974005 | Display screen for use in front projectors A screen for use in image presentations comprises an array of transmissive elongated prisms. The screen is capable of delivering incident light, having an incident angle within a specific incident angle range, to the viewing area, while preventing ambient light, hav... | 07/05/2011 |
| 7973999 | System for on-chip actuation In accordance with particular embodiments, a system for displaying modulated light includes a spatial light modulator comprising a plurality of micromirrors having a pixel pitch less than 17 micrometers. The system also includes an intermediate voltage generator ope... | 07/05/2011 |
| 7972020 | Apparatus and method for reducing speckle in display of images An apparatus and method of reducing speckle in projection of images is provided that includes the elements or features of producing a first image and displacing the first image to produce a second image that will reduce speckle relating to the first image when the f... | 07/05/2011 |
| 7972004 | System and method for uniform light generation A system and method for uniform light generation in projection display systems. An illumination source comprises a light source to produce colored light, and a scrolling optics unit optically coupled to the light source, the scrolling optics unit configured to creat... | 07/05/2011 |
| 7972001 | Projection illumination device and method for projection visual display system using multiple controlled light emitters having individual wavelengths A method for compensating for a shift in color in a light source and a system of color illumination for a projection visual display (PVD) system. In one embodiment, the method includes: (1) field sequentially operating an array of emitters to generate a sequence of ... | 07/05/2011 |
| 7970230 | Image processing with minimization of ringing artifacts and noise A method of reducing ringing artifacts in image data that has been filtered with a high frequency emphasis filter. For each filtered data value, a local variance is calculated from data values at neighboring filter taps. This variance is compared to a threshold, and... | 06/28/2011 |
| 7967448 | Optical system for a thin, low-chin, projection television A micro-mirror based projection display system in an enclosure with minimum chin and depth measurements is disclosed. A light source, such as a solid state laser light source, generates light of multiple primary colors that is modulated by a digital micro-mirror dev... | 06/28/2011 |
| 7961399 | SLM projection display with series DMD illuminator The addition of DMD illumination modulator(s) 702 in series with projection SLM(s) 706/709 to produce high-performance projection displays with improved optical efficiency, reliability, and lower maintenance requirements. This approach eliminates the v... | 06/14/2011 |
| 7961376 | Reducing adherence in a MEMS device In one embodiment, an apparatus for reducing adherence in a micro-electromechanical system (MEMS) device comprises a substrate. A MEMS is disposed outwardly from the substrate. The MEMS comprises structures and corresponding landing pads. Dibs are disposed outwardly... | 06/14/2011 |
| 7959305 | Light recycling in a micromirror-based projection display system A digital micromirror projection display system is disclosed in which “off” pixel light is recaptured and recycled. In the disclosed system, a digital micromirror device directs incident light for “on” pixels in the image to be displayed through projection l... | 06/14/2011 |
| 7956941 | Method and apparatus for reducing speckle in coherent light According to one embodiment, a method for reducing speckle in an image produced from a coherent light source includes directing a beam of coherent light at an electrically controlled diffuser. An electrical signal is applied to the electrically controlled diffuser t... | 06/07/2011 |
