Patents by Inventor Arthur Piehl

Arthur Piehl has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7911693
    Abstract: A method of creating a projection screen includes forming on a substrate a set of reflective areas directed to a first set of angles and forming on the substrate a set of absorptive areas directed to other than the first set of angles.
    Type: Grant
    Filed: July 31, 2006
    Date of Patent: March 22, 2011
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Gilbert G Smith, Arthur Piehl, Thomas E Novet
  • Patent number: 7741157
    Abstract: A method of forming a MEMS (Micro-Electro-Mechanical System), includes forming an ambient port through a MEMS cap which defines a cavity containing a plurality of MEMS actuators therein; and bonding a lid arrangement to the MEMS cap to hermetically seal the ambient port.
    Type: Grant
    Filed: July 21, 2008
    Date of Patent: June 22, 2010
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Charles C Haluzak, Arthur Piehl, Chien-Hua Chen, Jennifer Shih
  • Patent number: 7733553
    Abstract: An electronic light modulator device for at least partially displaying a pixel of an image, the device comprising first and second reflectors defining an optical cavity therebetween, the optical cavity being selective of an electromagnetic wavelength at an intensity by optical interference, the device having at least first and second optical states, at least one of the optical states being tunable and the other not tunable.
    Type: Grant
    Filed: September 21, 2005
    Date of Patent: June 8, 2010
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Kenneth Faase, Adel Jilani, James C. McKinnell, Eric L. Nikkel, Arthur Piehl, James R. Przybyla, Bao-Sung Bruce Yeh
  • Patent number: 7527381
    Abstract: A projection system is disclosed that has a chromaticity/luminosity module in serial optical communication with a luminosity module. The chromaticity/luminosity module has a pair of chromaticity/luminosity modulators configured to modulate incident light to generate color on a pixel-by-pixel basis. The luminosity module has a pair of luminosity modulators configured to modulate incident light to generate a light image.
    Type: Grant
    Filed: July 29, 2005
    Date of Patent: May 5, 2009
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Arthur Piehl, Anurag Gupta, Scott Lerner
  • Patent number: 7471441
    Abstract: Various embodiments of a MEMs structure including flexures movably supporting a reflective face are disclosed.
    Type: Grant
    Filed: June 9, 2006
    Date of Patent: December 30, 2008
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: James R. Przybyla, Kenneth Faase, Adel Jilani, James C. McKinnell, Eric L. Nikkel, Arthur Piehl, Bao-Sung Bruce Yeh, Michael G. Monroe
  • Publication number: 20080280398
    Abstract: A method of forming a MEMS (Micro-Electro-Mechanical System), includes forming an ambient port through a MEMS cap which defines a cavity containing a plurality of MEMS actuators therein; and bonding a lid arrangement to the MEMS cap to hermetically seal the ambient port.
    Type: Application
    Filed: July 21, 2008
    Publication date: November 13, 2008
    Inventors: Charles C. Haluzak, Arthur Piehl, Chien-Hua Chen, Jennifer Shih
  • Patent number: 7441134
    Abstract: An electronic device of an embodiment of the invention is disclosed that at least partially displays a pixel of a display image. The device includes a first reflector and a second reflector defining an optical cavity therebetween that is selective of a visible wavelength at an intensity. The device includes a mechanism to allow optical properties of the cavity to be varied such that the visible wavelength and/or the intensity are variably selectable in correspondence with the pixel of the displayable image. The device also includes one or more transparent deposited films, one or more absorbing layers, an integral micro-lens, and/or one or more anti-stiction bumps. The deposited films are over one of the reflectors, for self-packaging of the device. The absorbing layers are over one of the reflectors, to reduce undesired reflections. The integral micro-lens is over one of the reflectors, and the anti-stiction bumps are between the reflectors.
    Type: Grant
    Filed: September 20, 2006
    Date of Patent: October 21, 2008
    Inventors: Arthur Piehl, James R. Przybyla, Adam L Ghozeil, Eric T. Martin
  • Patent number: 7436571
    Abstract: A micro-display has a device chip with a transparent layer overlying one or more micro-electromechanical system devices. A transparent cover overlies the transparent layer. An index-of-refraction-matching medium is interposed between the transparent layer and the transparent cover. An index of refraction of the index-of-refraction-matching medium is substantially equal to an index of refraction of the transparent layer and the transparent cover.
    Type: Grant
    Filed: October 20, 2004
    Date of Patent: October 14, 2008
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: John R Sterner, Charles C Haluzak, William R Boucher, Scott Lerner, James W. Ring, Brett Dahlgren, Chien-Hua Chen, Arthur Piehl, Quan Qi
  • Patent number: 7417307
    Abstract: A method of forming a MEMS (Micro-Electro-Mechanical System), includes forming an ambient port through a MEMS cap which defines a cavity containing a plurality of MEMS actuators therein; and bonding a lid arrangement to the MEMS cap to hermetically seal the ambient port.
    Type: Grant
    Filed: July 29, 2005
    Date of Patent: August 26, 2008
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Charles C Haluzak, Arthur Piehl, Chien-Hua Chen, Jennifer Shih
  • Patent number: 7370185
    Abstract: An electronic device of an embodiment of the invention is disclosed that at least partially displays a pixel of a display image. The device includes a first reflector and a second reflector defining an optical cavity therebetween that is selective of a visible wavelength at an intensity. The device includes a mechanism to allow optical properties of the cavity to be varied such that the visible wavelength and/or the intensity are variably selectable in correspondence with the pixel of the displayable image. The device also includes one or more transparent deposited films, one or more absorbing layers, an integral micro-lens, and/or one or more anti-stiction bumps. The deposited films are over one of the reflectors, for self-packaging of the device. The absorbing layers are over one of the reflectors, to reduce undesired reflections. The integral micro-lens is over one of the reflectors, and the anti-stiction bumps are between the reflectors.
    Type: Grant
    Filed: April 30, 2003
    Date of Patent: May 6, 2008
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Arthur Piehl, James R. Przybyla, Adam L Ghozeil, Eric T. Martin
  • Publication number: 20080037099
    Abstract: A micro-electro mechanical light modulator device includes a movable reflective plate, a fixed partial reflective plate, an optical gap defined between the reflective plate and the fixed plate, and an actuator configured to move the reflective plate through an operating range wherein a neutral state position of the reflective plate approximately corresponds to a black state value of the optical gap.
    Type: Application
    Filed: October 18, 2007
    Publication date: February 14, 2008
    Inventors: James McKinnell, Arthur Piehl
  • Publication number: 20070217004
    Abstract: A method of creating a projection screen includes forming on a substrate a set of reflective areas directed to a first set of angles and forming on the substrate a set of absorptive areas directed to other than the first set of angles.
    Type: Application
    Filed: July 31, 2006
    Publication date: September 20, 2007
    Inventors: Gilbert G. Smith, Arthur Piehl, Thomas E. Novet
  • Publication number: 20070211257
    Abstract: A composite partially reflecting element of a Fabry-Perot interferometer includes a transparent plate having a surface facing toward the optical gap of the interferometer, a partially reflecting layer disposed on the surface of the transparent plate facing toward the optical gap, and at least one protective layer on at least one side of the partially reflecting layer.
    Type: Application
    Filed: March 9, 2006
    Publication date: September 13, 2007
    Inventors: Daniel Kearl, Michael Monroe, Henry Lewis, Melinda Valencia, James McKinnell, James Przybyla, Arthur Piehl, Stephen Potochnik
  • Publication number: 20070138591
    Abstract: 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 about 75%.
    Type: Application
    Filed: February 21, 2007
    Publication date: June 21, 2007
    Inventors: James Przybyla, Arthur Piehl, Michael Monroe
  • Publication number: 20070115415
    Abstract: For one embodiment, a reflection is reduced to substantially zero regardless of a wavelength of incident light that produced the reflection.
    Type: Application
    Filed: November 21, 2005
    Publication date: May 24, 2007
    Inventors: Arthur Piehl, Michael Monroe, Conor Kelly, John Sterner, James McKinnell, James Przybyla, John Williams
  • Patent number: 7221497
    Abstract: An electronic device of an embodiment of the invention is for at least partially displaying a pixel of a displayable image. The electronic device includes a first reflector and a second reflector that define an optical cavity therebetween, and which is selective of a visible wavelength at an intensity by optical interference. The electronic device also includes a mechanism to allow optical properties of the optical cavity to be varied. The visible wavelength and/or the intensity are thus variably selectable in correspondence with the pixel of the displayable image.
    Type: Grant
    Filed: December 4, 2005
    Date of Patent: May 22, 2007
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Arthur Piehl, James R. Przybyla, Adam L Ghozeil, Eric T. Martin
  • Publication number: 20070097694
    Abstract: Systems, methodologies, and other embodiments associated with a micro-electrical-mechanical system (MEMS) Fabry-Perot interferometric device (FPID) are described. Fabricating a MEMS FPID may include fabricating a pixel plate and a reflector plate so a Fabry-Perot cavity is defined therebetween. Fabrication may include producing a capacitor plate that facilitates electrostatically moving the pixel plate. Fabrication may include producing electrical connections between plates and producing circuitry to control plate voltages to facilitate creating an electrostatic force between plates. The MEMS FPID may include stops fabricated from a conductive material and circuitry for maintaining the stops and plates at an electrical potential that will yield a zero electric field contact event.
    Type: Application
    Filed: October 31, 2005
    Publication date: May 3, 2007
    Inventors: Kenneth Faase, James McKinnell, Arthur Piehl, Murali Chaparala, James Przybyla, Bao Yeh, Adel Jilani, Eric Nikkel
  • Publication number: 20070075942
    Abstract: 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 to overcome stiction forces adhering the pixel plate to one of the capacitor plates is applied to the pixel plate to cause the pixel plate to be attracted to the pixel plate opposite the capacitor plate to with which the pixel plate is in contact. After the pixel plate has moved a predetermined distance away from the capacitor plate to which it had been adhered by stiction forces, the release voltage is removed. Thereafter, an positional voltage is applied to the pixel plate to move the pixel plate to a desired location between the capacitor plates. Release and positional voltages are coupled to and decoupled from the pixel plate by one or more switching mechanisms.
    Type: Application
    Filed: October 3, 2005
    Publication date: April 5, 2007
    Inventors: Eric Martin, Arthur Piehl
  • Publication number: 20070064295
    Abstract: An electronic light modulator device for at least partially displaying a pixel of an image, the device comprising first and second reflectors defining an optical cavity therebetween, the optical cavity being selective of an electromagnetic wavelength at an intensity by optical interference, the device having at least first and second optical states, at least one of the optical states being tunable and the other not tunable.
    Type: Application
    Filed: September 21, 2005
    Publication date: March 22, 2007
    Inventors: Kenneth Faase, Adel Jilani, James McKinnell, Eric Nikkel, Arthur Piehl, James Przybyla, Bao-Sung Yeh
  • Publication number: 20070024811
    Abstract: A projection system is disclosed that has a chromaticity/luminosity module in serial optical communication with a luminosity module. The chromaticity/luminosity module has a pair of chromaticity/luminosity modulators configured to modulate incident light to generate color on a pixel-by-pixel basis. The luminosity module has a pair of luminosity modulators configured to modulate incident light to generate a light image.
    Type: Application
    Filed: July 29, 2005
    Publication date: February 1, 2007
    Inventors: Arthur Piehl, Anurag Gupta, Scott Lerner