Having Multiple Electrodes Patents (Class 359/295)
  • Patent number: 7835062
    Abstract: A mirror device comprises: a plurality of electrodes disposed on a substrate; a hinge connected to at least one of the electrodes; a mirror connected to the hinge and corresponding to at least one of the electrodes, wherein a barrier layer is comprised between the hinge and mirror, and/or between the hinge and electrode. Also noted is a mirror device production method for producing such-configured mirror device. Further noted is a projection apparatus comprising such-configured mirror device.
    Type: Grant
    Filed: August 18, 2007
    Date of Patent: November 16, 2010
    Assignees: Silicon Quest Kabushiki-Kaisha, Olympus Corporation
    Inventors: Fusao Ishii, Yoshihiro Maeda, Hirotoshi Ichikawa, Naoya Sugimoto
  • Patent number: 7835064
    Abstract: In a method of manufacturing an information display panel, in which at least one group of display media having light reflectance and charge characteristics, constituted by at least one group of particles, are sealed in a cell formed by partition walls between opposed two substrates, at least one substrate being transparent, and, in which the display media, to which an electrostatic field is applied, are made to move so as to display information such as an image, a display media filling process for filling the display media in the cell includes: a display media charging and supporting process for supporting charged display media; a display media aligning process for aligning the supported display media corresponding to an electrostatic latent image; and a display media transferring and filling process for transferring and filling the aligned display media in the cell.
    Type: Grant
    Filed: April 25, 2006
    Date of Patent: November 16, 2010
    Assignee: Bridgestone Corporation
    Inventors: Yoshitomo Masuda, Taichi Kobayashi, Hirotaka Yamazaki
  • Publication number: 20100284057
    Abstract: A mirror device comprises: a plurality of electrodes disposed on a substrate; a hinge connected to at least one of the electrodes; a mirror connected to the hinge and corresponding to at least one of the electrodes, wherein a barrier layer is comprised between the hinge and mirror, and/or between the hinge and electrode. Also noted is a mirror device production method for producing such-configured mirror device. Further noted is a projection apparatus comprising such-configured mirror device.
    Type: Application
    Filed: July 14, 2010
    Publication date: November 11, 2010
    Inventors: Fusao Ishii, Yoshihiro Maeda, Hirotoshi Ichikawa
  • Patent number: 7813030
    Abstract: A display and fabricating method thereof is provided. The display includes a first substrate, a second substrate, a hydrophobic layer, a nonpolar liquid layer, a hydrophilic separator, a polar liquid layer, and a protruding spacer. The first and second substrates respectively include an opposing surface, and are disposed in a way that the opposing surfaces are face-to-face opposing to each other. The hydrophobic layer overlies the opposing surface of the second substrate. The nonpolar liquid layer overlies the hydrophobic layer. The hydrophilic separator overlies the hydrophobic layer and surrounds the nonpolar liquid layer. The polar liquid layer overlies the nonpolar liquid layer. The protruding spacer is disposed between the hydrophilic separator and the first substrate.
    Type: Grant
    Filed: August 25, 2008
    Date of Patent: October 12, 2010
    Assignee: Industrial Technology Research Institute
    Inventors: Kuo-Lung Lo, Wei-Yuan Cheng, Jyh-Wen Shiu
  • Patent number: 7796321
    Abstract: A spatial light modulator supported on a device substrate includes a plurality of light modulation elements to modulate a light emitted from a light source. The spatial light modulator and the device substrate further comprises a cyclic structure on a surface of the spatial light modulator and/or the device substrate for preventing a reflection of the incident light from the cyclic structure. In an exemplary embodiment the cyclic structure includes cyclic structural elements having a distance between two cyclic elements shorter than the wavelength of an incident light for preventing a reflection of the incident light from the cyclic structure.
    Type: Grant
    Filed: May 31, 2008
    Date of Patent: September 14, 2010
    Assignees: Silicon Quest Kabushiki-Kaisha, Olympus Corporation
    Inventors: Hirotoshi Ichikawa, Yoshihiro Maeda, Fusao Ishii
  • Patent number: 7787173
    Abstract: A display having a plurality of reflective display elements. In one embodiment, the display elements comprise at least one electrode having a plurality of active areas. In one embodiment, at least two of the sizes of the active areas are different with respect to each other, e.g., they are non-uniform in size. The interferometric modulators have a plurality of states, wherein selected ones of the interferometric modulators are configured to be actuated depending differing electrostatic forces in the interferometric modulators. The electrostatic forces in the interferometric modulators are different at least in part due to variations in the sizes of the active areas of the electrodes.
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: August 31, 2010
    Assignee: Qualcomm Mems Technologies, Inc.
    Inventor: Clarence Chui
  • Patent number: 7787170
    Abstract: The present invention provides a microstructure device comprising multiple substrates with the components of the device formed on the substrates. In order to maintain uniformity of the gap between the substrates, a plurality of pillars is provided and distributed in the gap so as to prevent decrease of the gap size. The increase of the gap size can be prevented by bonding the pillars to the components of the microstructure. Alternatively, the increase of the gap size can be prevented by maintaining the pressure inside the gap below the pressure under which the microstructure will be in operation. Electrical contact of the substrates on which the micromirrors and electrodes are formed can be made through many ways, such as electrical contact areas, electrical contact pads and electrical contact springs.
    Type: Grant
    Filed: June 15, 2004
    Date of Patent: August 31, 2010
    Assignee: Texas Instruments Incorporated
    Inventors: Satyadev Patel, Andrew G. Huibers, Peter Richards, Terry Tarn, Dietrich Dehlinger
  • Publication number: 20100202040
    Abstract: A preferred embodiment comprises a dynamic display based on a program image element which will only generate a preprogrammed image. As an example, the image element may comprise electrically-driven MEMS mirrors. This example may be embedded in an ID card. At the time of issue of the ID card, pixels in the mirror array will be permanently programmed as either ‘alive’ or ‘dead’ in a pattern matching the photo of the person in question. When stimulated, only ‘alive’ pixels will actuate, creating an image for comparison to the adjacent printed photo. Due to its dynamic behavior, delicate mechanical structures, and single-time hard-wiring, duplication of, or tampering with, this secondary dynamic image will be nearly impossible. The ID car is but one exemplary application and other embodiments, applications, and methods are described in the specification and claims.
    Type: Application
    Filed: February 6, 2009
    Publication date: August 12, 2010
    Applicant: U.S. Government as represented by the Secretary of the Army
    Inventor: BRIAN CARL MORGAN
  • Patent number: 7773289
    Abstract: Methods and systems for providing brightness control in an interferometric modulator (IMOD) display are provided. In one embodiment, an interferometric modulator display pixel is provided that includes a microelectromechanical systems (MEMS) interferometric modulator having an associated first color spectrum, and a color absorber located substantially in front of the interferometric modulator display pixel, in which the color absorber has an associated second color spectrum. The microelectromechanical systems (MEMS) interferometric modulator is operable to shift the first color spectrum relative to the second color spectrum to control a visual brightness of the interferometric modulator display pixel independent of a color of the interferometric modulator display pixel.
    Type: Grant
    Filed: April 21, 2006
    Date of Patent: August 10, 2010
    Assignee: QUALCOMM MEMS Technologies, Inc.
    Inventor: Marc Mignard
  • Publication number: 20100195186
    Abstract: A tri wavelength diffracting modulation (TWDM) element, a TWDM imager, and methods of temporally and spatially modulating by using the same are disclosed. The TWDM element includes first and second sets of movable reflective rigid plates under independent electrical actuation, provides four different spatial configurations for reflecting and selectively diffracting incident radiation of three distinguished wavelengths. The TWDM imager is formed with a plurality of the TWDM elements in a regularly spaced planar array configuration on a planar substrate. Incident visible light is spatially modulated by the TWDM imager, either in a time sequential mode or via spatial combination with help of an aligned color filter array.
    Type: Application
    Filed: February 2, 2010
    Publication date: August 5, 2010
    Inventor: HERB HE HUANG
  • Patent number: 7768690
    Abstract: A transmissive backlit display is disclosed. In one aspect, the backlit display comprises a backlight and an array of transmissive interferometric modulators. Each interferometric modulator comprises a fixed and moving dielectric mirror stack. The interferometric modulators cause light within the desired wavelength range to be transmitted while reflecting at least a portion of the remaining light.
    Type: Grant
    Filed: June 25, 2008
    Date of Patent: August 3, 2010
    Assignee: QUALCOMM MEMS Technologies, Inc.
    Inventor: Jeffrey B. Sampsell
  • Patent number: 7764418
    Abstract: A method of tilting a micromirror includes providing a substrate, a sloped electrode outwardly from the substrate, and a sloped electrode positioning system outwardly from the substrate. The method also includes applying, by the sloped electrode positioning system, forces sufficient to position the sloped electrode in an orientation that slopes away from the substrate.
    Type: Grant
    Filed: December 16, 2008
    Date of Patent: July 27, 2010
    Assignee: Texas Instruments Incorporated
    Inventor: Brett A. Mangrum
  • Patent number: 7744220
    Abstract: A deformable mirror device includes a substrate; a plurality of electrodes provided on the substrate; a spacer disposed on the substrate; a support member disposed above the spacer and having an opening passing through from a first face of the support member facing to the substrate to a second face of the support member opposite from the first face; a deformable electrode film formed below the first face of the support member so as to be opposed to the electrodes with a distance and so as to cover the opening; an insulation film provided between the deformable electrode film and the support member; and a reflection film provided on a face of the deformable electrode film opposite from the electrodes so as to overlap the opening. The electrodes are electrically insulated each other by a plurality of grooves radially extending from a region which includes a position corresponding to a center of the opening.
    Type: Grant
    Filed: August 5, 2008
    Date of Patent: June 29, 2010
    Assignees: Kabushiki Kaisha Toshiba, Kabushiki Kaisha Topcon
    Inventors: Kei Masunishi, Akihiro Koga, Ryo Furukawa, Osamu Nishimura, Akio Kobayashi, Hiroyuki Kawashima
  • Patent number: 7738077
    Abstract: A system and method are used to independently control multiple parameters of a patterned beam. This can be performed using a patterning device configured to pattern a beam of radiation comprising a controller and an array of stepped mirrors. The array comprises a plurality of sets of four of the stepped mirrors that are controlled with respect to each other. Adjacent ones of the stepped mirrors in each of the sets have perpendicular axes of rotation and perpendicular steps. In one example, the patterning device is used to patterned the beam of radiation, which patterned beam is projected onto an object. For example, the object can be a substrate (e.g., semiconductor substrate or flat panel display substrate) or a display device.
    Type: Grant
    Filed: July 31, 2006
    Date of Patent: June 15, 2010
    Assignee: ASML Netherlands B.V.
    Inventors: Johannes Jacobus Matheus Baselmans, Patricius Aloysius Jacobus Tinnemans
  • Patent number: 7729040
    Abstract: An electrophoretic display device includes; a first substrate having a plurality of pixel electrodes in a display region thereof; and an electrophoretic sheet that includes a second substrate on which a common electrode, an electrophoretic layer, and an adhesive layer are laminated. The electrophoretic sheet is bonded to the display region of the first substrate via the adhesive layer. The distance between neighboring pixel electrodes among the plurality of pixel electrodes is 5 ?m or more.
    Type: Grant
    Filed: February 20, 2009
    Date of Patent: June 1, 2010
    Assignee: Seiko Epson Corporation
    Inventor: Masami Uchida
  • Publication number: 20100118382
    Abstract: A microelectromechanical system (MEMS) device includes a first electrode, a second electrode electrically insulated from the first electrode, and a third electrode electrically insulated from the first electrode and the second electrode. The MEMS device also includes a support structure which separates the first electrode from the second electrode and a reflective element located and movable between a first position and a second position. The reflective element is in contact with a portion of the device when in the first position and is not in contact with the portion of the device when in the second position. An adhesive force is generated between the reflective element and the portion when the reflective element is in the first position. Voltages applied to the first electrode, the second electrode, and the third electrode at least partially reduce or counteract the adhesive force.
    Type: Application
    Filed: January 14, 2010
    Publication date: May 13, 2010
    Applicant: QUALCOMM MEMS TECHNOLOGIES, INC.
    Inventors: Manish Kothari, Lior Kogut, Jeffrey B. Sampsell
  • Patent number: 7710636
    Abstract: Various embodiments include interferometric optical modulators comprising a substrate layer having a thickness between about 0.1 mm to about 0.45 mm thick and a method for manufacturing the same. The interferometric modulator can be integrated together with a diffuser in a display device. The thin substrate permits use of a thicker substrate. The thinner substrate may increase resolution and reduce overall thickness of the inteferometric modulator. The thicker diffuser may provide increased diffusion and durability.
    Type: Grant
    Filed: August 22, 2005
    Date of Patent: May 4, 2010
    Assignee: QUALCOMM MEMS Technologies, Inc.
    Inventor: Clarence Chui
  • Patent number: 7706044
    Abstract: An optical interference display cell is described. A first electrode and a sacrificial layer are sequentially formed on a transparent substrate and at least two openings are formed in the first electrode and the sacrificial layer to define a position of the optical interference display cell. An insulated heat-resistant inorganic supporter is formed in each of the openings. A second electrode is formed on the sacrificial layer and the supporters. Finally, a remote plasma etching process is used for removing the sacrificial layer.
    Type: Grant
    Filed: April 28, 2006
    Date of Patent: April 27, 2010
    Assignee: QUALCOMM MEMS Technologies, Inc.
    Inventors: Wen-Jian Lin, Hsiung-Kuang Tsai
  • Patent number: 7706042
    Abstract: A microelectromechanical systems device having an electrical interconnect connected to at least one of an electrode and a movable layer within the device. At least a portion of the electrical interconnect is formed from the same material as a movable layer of the device. A thin film, particularly formed of molybdenum, is provided underneath the electrical interconnect. The movable layer preferably comprises aluminum.
    Type: Grant
    Filed: December 20, 2006
    Date of Patent: April 27, 2010
    Assignee: QUALCOMM MEMS Technologies, Inc.
    Inventors: Wonsuk Chung, SuryaPrakash Ganti, Stephen Zee
  • Patent number: 7697193
    Abstract: 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 parallel to but offset from a diagonal of the mirror plate when viewed from the top. An imaginary line connecting the two posts is not parallel to either diagonal of the mirror plate.
    Type: Grant
    Filed: September 11, 2007
    Date of Patent: April 13, 2010
    Assignee: Texas Instruments Incorporated
    Inventors: Andrew Huibers, Satyadev Patel
  • Patent number: 7692845
    Abstract: Provided is a electrophoresis type display device includes a pixel electrode and a common electrode on a substrate and inducing an in-plane electric field; an electric charge layer on the pixel electrode and common electrode and having a plurality of first particles and a plurality of second particles, the first and second particles charged with opposite polarities; and a backlight unit supplying light toward the substrate.
    Type: Grant
    Filed: June 14, 2006
    Date of Patent: April 6, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Hyun-Sik Seo, Chang-Dong Kim, Seung-Han Paek, Dae-Hyun Nam
  • Patent number: 7692844
    Abstract: Improvements in an interferometric modulator that has a cavity defined by two walls.
    Type: Grant
    Filed: January 5, 2004
    Date of Patent: April 6, 2010
    Assignee: QUALCOMM MEMS Technologies, Inc.
    Inventor: Mark W. Miles
  • Patent number: 7684106
    Abstract: A method of fabricating a display device includes forming a switch and forming a plurality of display elements in parallel electrical communication with the switch. The switch includes an electrode, a first contact, and a second contact. The switch is responsive to voltages applied to the electrode to selectively place the first contact and the second contact in communication with one another. Forming the switch includes a first set of patterning steps. Forming the plurality of display elements includes a second set of patterning steps. The second set of patterning steps includes the first set of patterning steps.
    Type: Grant
    Filed: November 2, 2006
    Date of Patent: March 23, 2010
    Assignee: QUALCOMM MEMS Technologies, Inc.
    Inventor: Jeffrey B. Sampsell
  • Publication number: 20100067096
    Abstract: The present invention discloses an image display system implemented with a spatial light modulator (SLM) having a plurality of pixel elements wherein each of the pixel elements further comprises an electrode having a structural body comprising: a first electrically conductive layer; a second electrically conductive layer; and a semiconductor layer disposed adjacently to the first electric conductive layer and second electric conductive layer and the semiconductor layer further comprises a doped conductive area for electrically connecting the first electric conductive layer and second electric conductive layer.
    Type: Application
    Filed: November 13, 2009
    Publication date: March 18, 2010
    Inventors: Hirotoshi Ichikawa, Yoshihiro Maeda, Fusao Ishii
  • Patent number: 7679813
    Abstract: The present invention relates to an improved EPD which comprises both the traditional up/down switching and the in-plane switching modes. In other words, the improved EPD has dual switching modes. The monochrome EPDs of the present invention are capable of displaying highlight color of choice which is different from the text. For example, white background, blue text, and red highlight can be shown in any selected areas of the display. Furthermore, the full color EPDs of the present invention are capable of displaying high contrast images of high color saturation. Both high quality black and white states are possible in the full color displays of the present invention. The EPDs of the present invention do not need complex circuitry design, and are compatible with low cost and high yield roll-to-roll manufacturing processes. The EPD cells of the present invention may have opaque partition walls, or a black matrix top surface of the partition walls or a combination thereof.
    Type: Grant
    Filed: February 1, 2006
    Date of Patent: March 16, 2010
    Assignee: Sipix Imaging, Inc.
    Inventors: Rong-Chang Liang, Jerry Chung
  • Patent number: 7675671
    Abstract: An aspect of the embodiment, a MEMS device includes a rotating unit, a first hinge, a first frame and an actuator. The actuator has a plurality of electrodes for rotating the rotating unit. The first frame has one of the electrodes. A portion of silicon layer by the electrode of the frame is chamfered.
    Type: Grant
    Filed: June 27, 2008
    Date of Patent: March 9, 2010
    Assignee: Fujitsu Limited
    Inventor: Yasuhiro Ohmori
  • Patent number: 7675670
    Abstract: A method for forming an optical deflection device includes providing a semiconductor substrate comprising an upper surface region and a plurality of drive devices within one or more portions of the semiconductor substrate. The upper surface region includes one or more patterned structure regions and at least one open region to expose a portion of the upper surface region to form a resulting surface region. The method also includes forming a planarizing material overlying the resulting surface region to fill the at least one open region and cause formation of an upper planarized layer using the fill material. The method further includes forming a thickness of silicon material at a temperature of less than 300 ° C. to maintain a state of the planarizing material.
    Type: Grant
    Filed: June 5, 2006
    Date of Patent: March 9, 2010
    Assignee: Miradia Inc.
    Inventors: Xiao Yang, Yuxiang Wang, Wook Ji, Justin Allen Payne, Ye Wang, Howard Woo
  • Publication number: 20100053727
    Abstract: A flat panel display device displays an image using a micro-shutter electrode and a diffusive reflection layer. The display device has a wide viewing angle and reduces a loss of light to thus improve light efficiency. In addition, gray levels can be determined by an electrostatic force between the pixel electrode and the micro-shutter electrode. An opening/closing operation of the micro-shutter electrode is fast so that the response speed can be improved.
    Type: Application
    Filed: April 1, 2009
    Publication date: March 4, 2010
    Inventors: Son-Uk Lee, Nam-Seok Roh, Sang-Il Kim, Sung-Jin Kim, Tae-Hyung Hwang
  • Patent number: 7668415
    Abstract: A MEMS-based display device is described, wherein an array of interferometric modulators are configured to reflect light through a transparent substrate. The transparent substrate is sealed to a backplate and the backplate may contain electronic circuitry fabricated on the backplane. The electronic circuitry is placed in electrical communication with the array of interferometric modulators and is configured to control the state of the array of interferometric modulators.
    Type: Grant
    Filed: March 25, 2005
    Date of Patent: February 23, 2010
    Assignee: QUALCOMM MEMS Technologies, Inc.
    Inventor: Karen Tyger
  • Patent number: 7667885
    Abstract: A high contrast spatial light modulator for display and printing is fabricated by coupling a high active reflection area fill-ratio and non-diffractive micro-mirror array with a high electrostatic efficiency and low surface adhesion control substrate.
    Type: Grant
    Filed: April 25, 2008
    Date of Patent: February 23, 2010
    Assignee: Spatial Photonics, Inc.
    Inventor: Shaoher X. Pan
  • Patent number: 7663794
    Abstract: Interferometric modulators having a separable modulator architecture are disclosed having a reflective layer suspended from a flexible layer over a cavity. The interferometric modulators have one or more anti-tilt members that inhibit undesirable movement of the reflective layer, such as curling and/or tilting. The stabilization of the reflective layer by the anti-tilt members can improve the quality of the optical output of the interferometric modulators, as well as displays comprising such interferometric modulators.
    Type: Grant
    Filed: January 15, 2008
    Date of Patent: February 16, 2010
    Assignee: Qualcomm MEMS Technologies, Inc.
    Inventor: William J Cummings
  • Publication number: 20100033800
    Abstract: This invention discloses a mirror device comprises a mirror array. The mirror array includes multiple mirror elements. Each element comprises a mirror supported on a hinge. The hinge is attached directly to the mirror and is substantially perpendicular to the mirror. The hinge penetrates a bottom surface of the mirror with a hinge-top buried in a layer of the mirror beneath a top surface of the mirror.
    Type: Application
    Filed: July 14, 2009
    Publication date: February 11, 2010
    Inventor: Fusao Ishii
  • Patent number: 7654677
    Abstract: A micromirror array 110 fabricated on a semiconductor substrate 11. The array 110 is comprised of three operating layers 12, 13, 14. An addressing layer 12 is fabricated on the substrate. A hinge layer 13 is spaced above the addressing layer 12 by an air gap. A mirror layer 14 is spaced over the hinge layer 13 by a second air gap. The hinge layer 13 has a hinge 13a under and attached to the mirror 14a, the hinge 13a permitting the mirror 14a to tilt. The hinge layer 13 further has spring tips 13c under the mirror 14a, which are attached to the addressing layer 12. These spring tips 13c provide a stationary landing surface for the mirror 14a.
    Type: Grant
    Filed: August 6, 2007
    Date of Patent: February 2, 2010
    Assignee: Texas Instruments Incorporated
    Inventors: Anthony DiCarlo, Patrick I. Oden, Richard L. Knipe, Rabah Mezenner, James D. Huffman
  • Patent number: 7656574
    Abstract: A device and a method for reducing polarization-dependent effects in dynamical optical components based on surface modulation of a polymer gel or membrane is disclosed. The device and method modifies, removes or leads away unwanted reflections from incident light or information carrier communicating with said optical component.
    Type: Grant
    Filed: March 12, 2008
    Date of Patent: February 2, 2010
    Assignee: Photonyx AS
    Inventors: Even Zimmer, Vladimir Kartashov, Trond Naterstad, Gunner E. Hedin, Bengt Jacobson
  • Publication number: 20100007940
    Abstract: A micro oscillating device includes a first frame; an oscillating portion; a first twist coupling portion and a second twist coupling portion coupling the first frame and the oscillating portion to define a first shaft center of an oscillating operation of the oscillating portion; a second frame including a support base and an arm portion extended from the support base toward the oscillating portion; and a third twist coupling portion and a fourth twist coupling portion coupling the second frame and the first frame to define a second shaft center of an oscillating operation of the first frame, wherein the third twist coupling portion is coupled to the first frame and the arm portion between the oscillating portion and the support base, and the fourth twist coupling portion is coupled to the first frame and the support base or the arm portion between the oscillating portion and the support base.
    Type: Application
    Filed: June 15, 2009
    Publication date: January 14, 2010
    Applicant: FUJITSU LIMITED
    Inventors: Osamu Tsuboi, Norinao Kouma, Yoshihiro Mizuno, Hiromitsu Soneda, Hisao Okuda, Tsuyoshi Matsumoto
  • Patent number: 7646529
    Abstract: A multi-state light modulator comprises a first reflector 104. A first electrode 142 is positioned at a distance from the first reflector 104. A second reflector 14 is positioned between the first reflector 104 and the first electrode 142. The second reflector 14 is movable between an undriven position, a first driven position, and a second driven position, each having a corresponding distance from the first reflector 104. In one embodiment, the light modulator has latch electrodes 17 and 143, which hold the light modulator in a driven state. In another embodiment the latch electrodes 17 and 143 are used to alter the actuation and release thresholds of the light modulator.
    Type: Grant
    Filed: February 3, 2009
    Date of Patent: January 12, 2010
    Assignee: Qualcomm Mems Technologies, Inc.
    Inventor: Clarence Chui
  • Patent number: 7643199
    Abstract: High-aperture-ratio devices comprise active-matrix elements and interferometric modulators and methods of making thereof. The active-matrix element may be positioned behind the interferometric modulator with respect to incident light. In some embodiments, components of the active-matrix element may be formed on a first substrate, while components of the interferometric modulator may be formed on a second substrate, and the substrates may then be attached.
    Type: Grant
    Filed: June 19, 2007
    Date of Patent: January 5, 2010
    Assignee: QUALCOMM MEMS Technologies, Inc.
    Inventor: Je-Hsiung Lan
  • Patent number: 7630121
    Abstract: In certain embodiments, a microelectromechanical (MEMS) device comprises a substrate having a top surface, a movable element over the substrate, and an actuation electrode disposed laterally from the reflective surface. The movable element comprises a deformable layer and a reflective element mechanically coupled to the deformable layer. The reflective element includes a reflective surface. The movable element is responsive to a voltage difference applied between the actuation electrode and the movable element by moving in a direction generally perpendicular to the top surface of the substrate.
    Type: Grant
    Filed: July 2, 2007
    Date of Patent: December 8, 2009
    Assignee: QUALCOMM MEMS Technologies, Inc.
    Inventors: Denis Endisch, Marc Mignard
  • Patent number: 7616368
    Abstract: Improved apparatus and methods for displays are disclosed that utilize light concentration array between mechanical light modulators and the viewing surface of the display. The light concentration array includes an array of optical elements that concentrate light on respective ones of the light modulators to maximize the contrast ratio and off axis viewing of the display.
    Type: Grant
    Filed: February 23, 2006
    Date of Patent: November 10, 2009
    Assignee: Pixtronix, Inc.
    Inventor: Nesbitt W. Hagood, IV
  • Patent number: 7604353
    Abstract: It is made possible to improve the variations in the “generated force (load)—deflection characteristics”. A deformable mirror device includes: a substrate; a plurality of electrodes provided on the substrate; a spacer disposed on the substrate; a support member disposed above the spacer and having an opening passing through from a first face of the support member facing to the substrate to a second face of the support member facing opposite from the first face; a first insulation film provided on the first face of the support member; a second insulation film provided on the second face of the support member; and a deformable electrode film disposed so as to be opposed to the electrodes at a spacing, formed so as to cover the opening, and supported by the support member with sandwiching the first insulation film.
    Type: Grant
    Filed: December 18, 2007
    Date of Patent: October 20, 2009
    Assignees: Kabushiki Kaisha Toshiba, Kabushiki Kaisha Topcon
    Inventors: Akihiro Koga, Masayuki Sekimura, Kei Masunishi, Akio Kobayashi, Hiroyuki Kawashima, Hirotake Maruyama
  • Publication number: 20090257111
    Abstract: A tunable optical component includes comprises a plurality of individual tunable liquid cells regularly arranged and integrated to at least one cell structure forming an array on the supporting substrate. A single liquid cell comprises several integrated cell walls, the cell walls projecting away from the supporting substrate and having a closed base area and an open cell surface at the cell wall edges. The liquid cell is filled with at least two liquids or fluids to provide at least one tunable interface area for varying the optical characteristic of the liquid cell.
    Type: Application
    Filed: April 9, 2008
    Publication date: October 15, 2009
    Inventors: Jason Heikenfeld, Joachim Bradl
  • Patent number: 7583430
    Abstract: A method for sealing microstructured cells, which are defined by at least a first substrate and a wall microstructure extending from the first substrate, includes a step of applying a plurality of adhesive microcapsules along at least one of a first side of a second substrate and an exposed end portion of the wall microstructure. The adhesive microcapsules containing an adhesive substance. Another step includes positioning the first side of the second substrate adjacent the end portion of the wall microstructure. Still another step includes rupturing at least a portion of the plurality of adhesive microcapsules dispensing the adhesive substance between the end portion of the wall microstructure and the first side of the second substrate. A microstructure is also provided.
    Type: Grant
    Filed: August 31, 2007
    Date of Patent: September 1, 2009
    Assignee: Palo Alto Research Center Incorporated
    Inventors: Jurgen Hans Daniel, Brent Shawhan Krusor, Michael Charles Weisberg
  • Patent number: 7580178
    Abstract: The present invention provides an image-guided microsurgery system comprising a real-time three-dimensional microscopic imaging device and a three-dimensional display device. The imaging device generates an all-in-focus image or in-focus depthwise images with depth information in various fields of view, and the display device shows realistic three-dimensional images with features including reducing eye fatigue, watching by multiple viewers, two-dimensional/three-dimensional compatibility, color expression and high depth resolution, low manufacturing cost, and no significant data amount increase.
    Type: Grant
    Filed: December 13, 2005
    Date of Patent: August 25, 2009
    Assignees: Angstrom, Inc., Stereo Display, Inc.
    Inventors: Gyoung Il Cho, Sang Hyune Baek, Cheong Soo Seo
  • Publication number: 20090207474
    Abstract: The present invention provides a mirror device, comprising: a mirror; an elastic hinge for supporting the mirror and the elastic hinge has a specific electric resistance. The mirror device further includes an electrode for controlling the mirror, wherein a voltage is applied to the elastic hinge for a predetermined period in synchronous with a change of an electric voltage applied to the electrode.
    Type: Application
    Filed: February 18, 2009
    Publication date: August 20, 2009
    Inventors: Fusao Ishii, Naoya Sugimoto, Hirotoshi Ichikawa, Yoshihiro Maeda
  • Publication number: 20090201568
    Abstract: The present invention provides a spatial light modulator, comprising a mirror modulating a light emitted from a light source, wherein the mirror is further controlled to operate with at least three stationary states whereby an image is projected with a gray scale expression through a combination of modulation of the light operated in the three stationary states.
    Type: Application
    Filed: February 18, 2009
    Publication date: August 13, 2009
    Inventors: Fusao Ishii, Naoya Sugimoto, Hirotoshi Ichikawa, Yoshihiro Maeda
  • Patent number: 7570415
    Abstract: A microelectromechanical systems device having an electrical interconnect between circuitry outside the device and at least one of an electrode and a movable layer within the device. A layer of the electrical interconnect is formed directly under, over, or between a partially reflective layer and a transparent layer of the device. The layer of the electrical interconnect preferably comprises nickel.
    Type: Grant
    Filed: August 7, 2007
    Date of Patent: August 4, 2009
    Assignee: QUALCOMM MEMS Technologies, Inc.
    Inventor: Teruo Sasagawa
  • Patent number: 7570418
    Abstract: An electrophoretic display device includes a transparent element substrate, a transparent opposite substrate, an electrophoretic display layer, and a selector. The element substrate has at least one transparent pixel electrode. The opposite substrate has a common electrode that is in correspondence with the at least one pixel electrode. The electrophoretic display layer is held between the element substrate and the opposite substrate. The selector selects any one of the element substrate and the opposite substrate as a display side of the electrophoretic display layer.
    Type: Grant
    Filed: June 17, 2008
    Date of Patent: August 4, 2009
    Assignee: Seiko Epson Corporation
    Inventors: Soichi Moriya, Tsutomu Miyamoto
  • Patent number: 7564612
    Abstract: An optical device includes a non-transparent substrate. The optical device further includes a first optical layer which is at least partially transmissive and at least partially reflective to incident light. The optical device further includes a second optical layer which is at least partially reflective to incident light. The second optical layer is spaced from the first optical layer. At least one of the first optical layer and the second optical layer is movable between a first position with a first distance between the first and second optical layers and a second position with a second distance between the first and second optical layers. Movement of the at least one of the first optical layer and the second optical layer between the first and second positions modulates the reflectivity of the device.
    Type: Grant
    Filed: August 19, 2005
    Date of Patent: July 21, 2009
    Assignee: IDC, LLC
    Inventor: Clarence Chui
  • Patent number: 7564535
    Abstract: A lithographic scanning apparatus includes a light projection device for seamlessly and uniformly projecting a scanning light onto a light exposing area. The light projecting device further includes an array of micromirrors having a predefined distribution pattern of reflectance variations for reflecting an incident light onto the light exposing area to seamlessly and uniformly scanning a reflecting light over the light exposing area. In one of a lithographic scanning apparatus, the micromirrors of the micromirror array are coated with a reflective coating of different reflectance to provide the predefined distribution pattern of reflectance variations. In another lithographic scanning apparatus, the micromirrors of the micromirror array are coated with stripes of reduced reflectance whereby each micromirror may have predefined total reflectance to provide the predefined distribution pattern of reflectance variations.
    Type: Grant
    Filed: December 5, 2005
    Date of Patent: July 21, 2009
    Inventor: Fusao Ishii
  • Patent number: 7564614
    Abstract: The invention is directed to methods and compositions useful for enhancing adhesion and protecting electrode layers from corrosion, rust or oxidation.
    Type: Grant
    Filed: May 18, 2005
    Date of Patent: July 21, 2009
    Assignee: Sipix Imaging, Inc.
    Inventors: Yajuan Chen, Xin Weng, Xiaojia Wang, Rong-Chang Liang