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| Number | Title | Issue Date |
| 8139008 | Bi-stable display systems and driving methods thereof Bi-stable display systems and driving methods thereof are presented. The bi-stable display system includes a bi-stable display panel having at least one substrate, at least one electrode disposed on the substrate, and a bi-stable display medium between the at least ... | 03/20/2012 |
| 8125423 | Voltage control circuit, voltage control method and light control apparatus utilizing the same A voltage control circuit which can prevent the occurrence of imprint phenomenon is provided. In a voltage control circuit which applies voltage to a pair of electrodes including a first and a second electrode, a control unit switches the voltage applied to t... | 02/28/2012 |
| 8054218 | Remotely-alterable electronic-ink based display device employing an integrated circuit structure having a GPS signal receiver and programmed processor for locally determining display device position and transmitting determined position information to a remote activator module A remotely-alterable electronic-ink based display device for displaying graphical indicia within a GPS system transmitting a plurality of GPS signals to the device display device. The device employs an addressable display assembly including a layer of electronic ink... | 11/08/2011 |
| 7982700 | Conductive bus structure for interferometric modulator array Embodiments of an interferometric modulator are disclosed having various enhancements and features including a conductive bus. In certain embodiments, the interferometric modulator has a first conductive layer suspended over a second electrode layer. In certain embo... | 07/19/2011 |
| 7948457 | Systems and methods of actuating MEMS display elements Methods of writing display data to MEMS display elements are configured to minimize charge buildup and differential aging. Prior to writing rows of image data, a pre-write operation is performed. The pre-write operation with either actuate or release substantially a... | 05/24/2011 |
| 7916104 | Increased intensity resolution for pulse-width modulation-based displays with light emitting diode illumination A method for increasing intensity resolution (bit-depth) using LED illumination. A preferred embodiment comprises determining a display time for a bit to be displayed on a display system, with the display time being based upon a weighting of the bit. If the display ... | 03/29/2011 |
| 7916103 | System and method for display device with end-of-life phenomena Systems and methods of displaying an end-of-life image on an electronic display are disclosed. An end-of-life image is displayed on a MEMS display device in the presence of sufficient water vapor and without continued activation of the display. The image can he disp... | 03/29/2011 |
| 7889162 | Line-at-a-time foil display A display device comprising a light guide (12), a front plate (14), and an intermediate electromechanically operable foil (16). Two electrode layers (22, 23) are arranged on either side of the foil (16) to induce electrostatic forc... | 02/15/2011 |
| 7889163 | Drive method for MEMS devices Embodiments of exemplary MEMS interferometric modulators are arranged at intersections of rows and columns of electrodes. In certain embodiments, the column electrode has a lower electrical resistance than the row electrode. A driving circuit applies a potential dif... | 02/15/2011 |
| 7843410 | Method and device for electrically programmable display One embodiment includes a display of interferometric modulators having a configurable resolution characteristic. Selected rows and/or columns are interconnected via a switch. The switch can include a fuse, antifuse, transistor, and the like. Depending on a desired r... | 11/30/2010 |
| 7834829 | Control circuit for overcoming stiction A circuit and method for controlling a micro-electromechanical system is herein disclosed. In one embodiment of a micro-electromechanical system having top and bottom capacitor plates with a pixel plate movably positioned therebetween, a release voltage sufficient t... | 11/16/2010 |
| 7760173 | Projection display apparatus having image modulation timing changing function A projection display apparatus has a light source for emitting a white spotlight, a color wheel on which a plurality of transmission areas having different light transmission characteristics are arranged in the circumferential direction, a modulation unit which modu... | 07/20/2010 |
| 7710370 | Flexible display device rollable between rolled-up and unrolled states The invention relates to a display device assembly (1) comprising a flexible display device (2) being rollable around an axis (5), the flexible display (2) having a front side (3) and a back side (4), one of the sides (3,... | 05/04/2010 |
| 7710371 | Variable volume between flexible structure and support surface Cells can include variable volumes defined between a flexible structure, such as a polymer layer, and a support surface, with the flexible structure and support surface being attached in a first region that surrounds a second region in which they are unattached. Var... | 05/04/2010 |
| 7701423 | Image display device and method An image display device and image display method are provided. The device and method can prevent changes in image density and contrast, which are caused by repeated displaying over long periods of time and changes in environment, by employing accurate electric curre... | 04/20/2010 |
| 7486263 | Electrostatic device An electronic device includes a first member, and a second member which includes segments. At least one of the first member and the second member is movable relative to the other of the first member and the second member among a plurality of distinct positions as a ... | 02/03/2009 |
| 7463227 | Display device comprising a light guide A display device comprises a light guide and a movable element. By locally exerting a force on the movable element by means of selection means, optical contact between the movable element and the light guide can be brought about. Light emanates from the display devi... | 12/09/2008 |
| 7411717 | Micromirror device A spatial light modulator comprises an array of micromirror devices each of which has a reflective and deflectable mirror plates. The mirror plates are moved between an ON and OFF state during operation, wherein the OFF state is a state wherein the mirror plate is n... | 08/12/2008 |
| 7405860 | Spatial light modulators with light blocking/absorbing areas A projection system, a spatial light modulator, and a method for forming a micromirror array such as for a projection display are disclosed. The spatial light modulator can have two substrates bonded together with one of the substrates comprising a micro-mirror arra... | 07/29/2008 |
| 7403187 | Generalized reset conflict resolution of load/reset sequences for spatial light modulators Disclosed herein are methods for providing a load/reset sequence for a visual display system (100) having a phased reset spatial light modulator (SLM) (14). The SLM (14) has pixels (21) that are addressable with data by means of loads (ld... | 07/22/2008 |
| 7403180 | Hybrid color synthesis for multistate reflective modulator displays A display device including a plurality of optical modulators and a plurality of filter elements on a reflective side of the plurality of optical modulators is provided. The plurality of optical modulators includes a first set of optical modulators and a second set o... | 07/22/2008 |
| 7400438 | Micro-electro mechanical device, micro-electro mechanical device array, light modulation device, micro-electro mechanical light modulation device, micro-electro mechanical light modulation device array and image forming apparatus using the same A transition time is a time from a state where a movable portion has been rotationally displaced in the first direction and stopped to a state where driving portions apply the physical action forces to the movable portion to rotationally displace the movable portion... | 07/15/2008 |
| 7382520 | Charge control agents in display media Charge Control Agents In Display Media. Use of charge control agents in display media comprising bichromal elements increases the ability to control translation and rotation of spherical elements in their cavities more precisely, thus yielding sharper and clearer im... | 06/03/2008 |
| 7379123 | Sequential display system with changing color order To sequentially display pictures in a television signal, a first picture is separated into sets of red, green and blue segments, with each segment of each color interleaved with the segments of the other colors in a first sequence for display in that sequence. Each ... | 05/27/2008 |
| 7372620 | Micromirror 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 |
| 7372449 | Display device, image display device and display method The display device includes a display portion having a cavity portion surrounded by wall surfaces, at least one part of the wall surfaces being formed of a transparent member and forming a structural color forming surface provided with fine asperities having predete... | 05/13/2008 |
| 7373026 | MEMS 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 |
| 7372613 | Method 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 |
| 7365898 | Sloping electrodes in a spatial light modulator A method of tilting a micromirror includes forming a substrate, a micromirror outwardly from the substrate, and at least one electrode inwardly from the micromirror. The method further includes applying, by the at least one electrode, electrostatic forces sufficient... | 04/29/2008 |
| 7362493 | Micromirror and post arrangements on substrates A micromirror of a micromirror array of a spatial light modulator used in display systems comprises a mirror plate attached to a hinge that is supported by two posts formed on a substrate. Also the mirror plate is operable to rotate along a rotation axis that is par... | 04/22/2008 |
| 7357333 | Mechanism for storing authenticity information about a written or printed document A mechanism for storing authenticity information about a written or printed document. This authenticity information may be stored in a publicly-accessible database. When a document patterned with electronic ink is to be verified, the verifier examines the electronic... | 04/15/2008 |
| 7355782 | Systems and methods of controlling micro-electromechanical devices An interference modulator (Imod) incorporates anti-reflection coatings and/or micro-fabricated supplemental lighting sources. An efficient drive scheme is provided for matrix addressed arrays of IMods or other micromechanical devices. An improved color scheme provid... | 04/08/2008 |
| 7349141 | Method and post structures for interferometric modulation An interferometric modulator includes a post structure comprising an optical element. In a preferred embodiment, the optical element in the post structure is a reflective element, e.g., a mirror. In another embodiment, the optical element in the post structure is an... | 03/25/2008 |
| 7349146 | System and method for hinge memory mitigation System and method for reducing failures due to hinge memory in a microdisplay display system. A preferred embodiment includes setting the state of each micromirror in a digital micromirror device based on an image being displayed, recording a usage history for the m... | 03/25/2008 |
| 7342579 | Thin film transistor array plate, liquid crystal display panel and method of preventing electrostatic discharge A thin film transistor array plate, a liquid crystal display panel and a method of preventing electrostatic discharge thereof are provided. The thin film transistor array comprises a substrate, pixel structures, switching devices, lead lines and electrostatic discha... | 03/11/2008 |
| 7339714 | Variable blazed grating based signal processing A light processing system includes an array of optical signal processing devices. The array of processing devices are operable to receive at least some of a first signal part and to modulate the first signal part based at least in part on a control signal received f... | 03/04/2008 |
| 7333260 | Two-dimensional image projection system A two-dimensional image projection device using array of micromirror array lenses and a random scanning technique is invented. Using the random scanning technique, the light efficiency is nearly doubled than that of the prior art. The invention makes a brighter and ... | 02/19/2008 |
| 7330298 | Optical system and method for increasing image resolution and/or dithering in projection applications An optical system for projecting an image having x and y axes onto a image plane is provided. The system includes an SLM device spaced from the image plane, the SLM device having a plurality of pixels operable to project pixels of the image onto the image plane and ... | 02/12/2008 |
| 7319465 | Low-power driven display device For a display device having a solar cell and a power buffer for keeping stored electric power, a display system which has a low-power drive mode, self-contained power and no need for recharging or power wiring is provided. The display system includes a solar cell us... | 01/15/2008 |
| 7318644 | Compact projection system including a light guide array An optical projection system comprises a light source, a substantially planar optical element array for receiving light emitted from the light source, and a display panel for selectively outputting light from the optical element array. The optical element array incl... | 01/15/2008 |
