Patents by Inventor Nesbitt W. Hagood, IV
Nesbitt W. Hagood, IV 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).
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Patent number: 9530344Abstract: A method of operating a display including loading image data to pixels in multiple rows of pixels in an array of pixels during a data loading phase, actuating the pixels in the multiple rows during an update phase, and illuminating at least one lamp during an lamp illumination phase to illuminate the actuated pixels to form an image on the display, in which each of the loading, actuating and illuminating phases partially overlap in time.Type: GrantFiled: June 24, 2015Date of Patent: December 27, 2016Assignee: SnapTrack, Inc.Inventors: Jignesh Gandhi, Jasper Lodewyk Steyn, John J. Fijol, Roger W. Barton, Stephen R. Lewis, Abraham McAllister, Nesbitt W. Hagood, IV
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Patent number: 9500853Abstract: A display apparatus incorporating electromechanical light modulators and a layer of material including apertures corresponding to the electromechanical light modulators that results in the display apparatus having lower power-consumption.Type: GrantFiled: September 14, 2012Date of Patent: November 22, 2016Assignee: SnapTrack, Inc.Inventors: Nesbitt W. Hagood, IV, Jasper Lodewyk Steyn, Timothy J. Brosnihan, Jignesh Gandhi, John J. Fijol, Richard S. Payne, Roger Barton
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Patent number: 9398666Abstract: A direct-view display apparatus includes a transparent substrate, an internal light source, a plurality of light modulators coupled to the transparent substrate, and a controller for controlling the states of the plurality of light modulators and the internal light source. The controller is configured to cause the display to transition from one of a transmissive, reflective and transflective mode, to a second of said modes.Type: GrantFiled: March 11, 2011Date of Patent: July 19, 2016Assignee: Pixtronix, Inc.Inventors: Jignesh Gandhi, Nesbitt W. Hagood, IV, Mark Douglas Halfman, Je Hong Kim
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Patent number: 9336732Abstract: The invention relates to methods and apparatus for forming images on a display utilizing a control matrix to control the movement of MEMs-based light modulators.Type: GrantFiled: September 14, 2012Date of Patent: May 10, 2016Assignee: Pixtronix, Inc.Inventors: Nesbitt W. Hagood, IV, Stephen R. Lewis, Abraham McAllister, Roger W. Barton, Richard S. Payne, Jasper Lodewyk Steyn
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Patent number: 9274333Abstract: This application relates to a display including a first layer of material including a first aperture having at least one side, a first substrate separated from the first layer of material by a gap, where the first substrate is arranged to pass through a portion of light emitted from a light source into the gap. The display further includes a movable shutter arranged within the gap, where the shutter is movable to at least a first position and a second position, to obstruct passage of the portion of light through the first aperture at the first position. The movable shutter has a first edge, and in the first position, the movable shutter is aligned with the first aperture such that the first edge extends a first length past the at least one side of the first aperture.Type: GrantFiled: August 30, 2012Date of Patent: March 1, 2016Assignee: Pixtronix, Inc.Inventors: Nesbitt W. Hagood, IV, John J. Fijol, Jasper Lodewyk Steyn, Richard S. Payne, Jignesh Gandhi
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Publication number: 20150294613Abstract: A method of operating a display including loading image data to pixels in multiple rows of pixels in an array of pixels during a data loading phase, actuating the pixels in the multiple rows during an update phase, and illuminating at least one lamp during an lamp illumination phase to illuminate the actuated pixels to form an image on the display, in which each of the loading, actuating and illuminating phases partially overlap in time.Type: ApplicationFiled: June 24, 2015Publication date: October 15, 2015Inventors: Jignesh Gandhi, Jasper Lodewyk Steyn, John J. Fijol, Roger W. Barton, Stephen R. Lewis, Abraham McAllister, Nesbitt W. Hagood, IV
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Patent number: 9135868Abstract: A direct-view display includes an array of MEMS light modulators and a control matrix formed on a transparent substrate, where each light modulator can be driven into at least two states, and a controller for controlling the states of each light modulator in the array. The control matrix transmits data and actuation voltages to the array. The controller includes an input, a processor, a memory, and an output. The input receives image data encoding an image frame for display. The processor derives a plurality of sub-frame data sets from the image data, where each sub-frame data set indicates desired states of light modulators in multiple rows and multiple columns of the array. The memory stores the plurality of sub-frame data sets. The output outputs the plurality of sub-frame data sets according to an output sequence to drive light modulators into the states indicated in the sub-frame data sets.Type: GrantFiled: August 29, 2012Date of Patent: September 15, 2015Assignee: Pixtronix, Inc.Inventors: Nesbitt W. Hagood, IV, Jignesh Gandhi, Abraham McAllister, Rainer M. Malzbender, Stephen R. Lewis
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Patent number: 9128277Abstract: The invention relates to a light modulator including a substrate having a surface and a modulation assembly coupled to the substrate that includes a modulation element and a first compliant beam. The first compliant beam includes a first segment that extend away from a first anchor and a second segment that extends back towards the first anchor. The length of the first segment is different than the length of the second segment.Type: GrantFiled: August 28, 2013Date of Patent: September 8, 2015Assignee: Pixtronix, Inc.Inventors: Jasper Lodewyk Steyn, Timothy J. Brosnihan, Joyce H. Wu, Mark B. Andersson, Richard S. Payne, John J. Fijol, Roger W. Barton, Nesbitt W. Hagood, IV
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Publication number: 20130335806Abstract: The invention relates to a light modulator including a substrate having a surface and a modulation assembly coupled to the substrate that includes a modulation element and a first compliant beam. The first compliant beam includes a first segment that extend away from a first anchor and a second segment that extends back towards the first anchor. The length of the first segment is different than the length of the second segment.Type: ApplicationFiled: August 28, 2013Publication date: December 19, 2013Applicant: PIXTRONIX, INC.Inventors: Jasper Lodewyk Steyn, Timothy J. Brosnihan, Joyce H. Wu, Mark B. Andersson, Richard S. Payne, John J. Fijol, Roger W. Barton, Nesbitt W. Hagood, IV
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Patent number: 8519923Abstract: The invention relates to methods and apparatus for forming images on a display utilizing a control matrix to control the movement of MEMs-based light modulators.Type: GrantFiled: March 9, 2012Date of Patent: August 27, 2013Assignee: Pixtronix, Inc.Inventors: Nesbitt W. Hagood, IV, Abraham McAllister, Stephen R. Lewis, Roger W. Barton
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Publication number: 20130082607Abstract: A direct-view display apparatus includes a transparent substrate, an internal light source, a plurality of light modulators coupled to the transparent substrate, and a controller for controlling the states of the plurality of light modulators and the internal light source. The controller is configured to cause the display to transition from one of a transmissive, reflective and transflective mode, to a second of said modes.Type: ApplicationFiled: March 11, 2011Publication date: April 4, 2013Applicant: Pixtronix, Inc.Inventors: Jignesh Gandhi, Nesbitt W. Hagood, IV, Mark Douglas Halfman, Je Hong Kim
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Publication number: 20130010342Abstract: Display devices incorporating shutter-based light modulators are disclosed along with methods of manufacturing such devices. The methods are compatible with thin-film manufacturing processes known in the art and result in displays having lower power-consumption.Type: ApplicationFiled: September 14, 2012Publication date: January 10, 2013Applicant: PIXTRONIX, INC.Inventors: Nesbitt W. Hagood, IV, Jasper Lodewyk Steyn, Timothy J. Brosnihan, Jignesh Gandhi, John J. Fijol, Richard S. Payne, Roger Barton
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Publication number: 20120320112Abstract: A direct-view display includes an array of MEMS light modulators and a control matrix formed on a transparent substrate, where each light modulator can be driven into at least two states, and a controller for controlling the states of each light modulator in the array. The control matrix transmits data and actuation voltages to the array. The controller includes an input, a processor, a memory, and an output. The input receives image data encoding an image frame for display. The processor derives a plurality of sub-frame data sets from the image data, where each sub-frame data set indicates desired states of light modulators in multiple rows and multiple columns of the array. The memory stores the plurality of sub-frame data sets. The output outputs the plurality of sub-frame data sets according to an output sequence to drive light modulators into the states indicated in the sub-frame data sets.Type: ApplicationFiled: August 29, 2012Publication date: December 20, 2012Applicant: Pixtronix, Inc.Inventors: Nesbitt W. Hagood, IV, Jignesh Gandhi, Abraham McAllister, Rainer M. Malzbender, Stephen R. Lewis
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Publication number: 20120320113Abstract: A direct-view display includes an array of MEMS light modulators and a control matrix formed on a transparent substrate, where each light modulator can be driven into at least two states, and a controller for controlling the states of each light modulator in the array. The control matrix transmits data and actuation voltages to the array. The controller includes an input, a processor, a memory, and an output. The input receives image data encoding an image frame for display. The processor derives a plurality of sub-frame data sets from the image data, where each sub-frame data set indicates desired states of light modulators in multiple rows and multiple columns of the array. The memory stores the plurality of sub-frame data sets. The output outputs the plurality of sub-frame data sets according to an output sequence to drive light modulators into the states indicated in the sub-frame data sets.Type: ApplicationFiled: August 29, 2012Publication date: December 20, 2012Applicant: Pixtronix, Inc.Inventors: Nesbitt W. Hagood, IV, Jignesh Gandhi, Abraham McAllister, Rainer M. Malzbender, Stephen R. Lewis
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Publication number: 20120320111Abstract: A direct-view display includes an array of MEMS light modulators and a control matrix formed on a transparent substrate, where each light modulator can be driven into at least two states, and a controller for controlling the states of each light modulator in the array. The control matrix transmits data and actuation voltages to the array. The controller includes an input, a processor, a memory, and an output. The input receives image data encoding an image frame for display. The processor derives a plurality of sub-frame data sets from the image data, where each sub-frame data set indicates desired states of light modulators in multiple rows and multiple columns of the array. The memory stores the plurality of sub-frame data sets. The output outputs the plurality of sub-frame data sets according to an output sequence to drive light modulators into the states indicated in the sub-frame data sets.Type: ApplicationFiled: August 29, 2012Publication date: December 20, 2012Applicant: Pixtronix, Inc.Inventors: Nesbitt W. Hagood, IV, Jignesh Gandhi, Abraham McAllister, Rainer M. Malzbender, Stephen R. Lewis
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Publication number: 20110267668Abstract: Display devices incorporating shutter-based light modulators are disclosed along with methods of manufacturing such devices. The methods are compatible with thin-film manufacturing processes known in the art and result in displays having lower power-consumption.Type: ApplicationFiled: July 11, 2011Publication date: November 3, 2011Applicant: Pixtronix, Inc.Inventors: Nesbitt W. Hagood, IV, Jasper Lodewyk Steyn, Timothy J. Brosnihan, Jignesh Gandhi, John J. Fijol, Richard S. Payne, Roger Barton
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Publication number: 20110205259Abstract: A field sequential display includes at least two lamps which output different colors and a controller. The controller is configured for receiving information from a host device in which the field sequential display is incorporated, selecting, based on the received information, a display mode from a plurality of preset display modes, and outputting signals indicating brightness levels with which to illuminate the at least two lamps based on the selected display mode.Type: ApplicationFiled: October 28, 2009Publication date: August 25, 2011Applicant: Pixtronix, Inc.Inventor: Nesbitt W. Hagood, IV
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Patent number: 7999994Abstract: Display devices incorporating shutter-based light modulators are disclosed along with methods of manufacturing such devices. The methods are compatible with thin-film manufacturing processes known in the art and result in displays having lower power-consumption.Type: GrantFiled: June 11, 2009Date of Patent: August 16, 2011Assignee: Pixtronix, Inc.Inventors: Nesbitt W. Hagood, IV, Jasper Lodewyk Steyn, Timothy J. Brosnihan, Jignesh Gandhi, John J. Fijol, Richard S. Payne, Roger W. Barton
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Patent number: 7898714Abstract: This invention relates to display apparatuses having an array of light modulators for transmissively displaying an image and a reflective aperture layer defining a plurality of apertures, for reflecting light not passing through apertures in the reflective aperture layer away from the array. The reflective aperture layer is formed on a first substrate and positioned adjacent the array. The image is formed by modulating light passing through the apertures in the reflective aperture layer. A light guide, separated from the first substrate by a gap, may guide light towards the reflective aperture layer. A layer of low-refractive index material may be positioned on a side of the reflective aperture layer opposite the array.Type: GrantFiled: July 31, 2008Date of Patent: March 1, 2011Assignee: Pixtronix, Inc.Inventors: Nesbitt W. Hagood, IV, Roger W. Barton
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Patent number: 7742215Abstract: The invention relates to methods and apparatus for forming images on a display utilizing a control matrix to control the movement of MEMs-based light modulators.Type: GrantFiled: October 30, 2007Date of Patent: June 22, 2010Assignee: Pixtronix, Inc.Inventor: Nesbitt W. Hagood, IV