Patents by Inventor Theodore S. Fahlen

Theodore S. Fahlen 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: 7490407
    Abstract: A method of fabricating a support structure. In one embodiment, the method is comprised of forming a layer of material into the support structure. The layer of material is adapted to be attached onto a substrate surface. The method further comprises treating the layer of material. The present method is further comprised of etching said layer of material. The fabricated support structure is then implementable during assembly of a display device. In one embodiment, the support structure is attached to the substrate surface prior to the forming, treating, and etching of the layer of material. In another embodiment, the support structure is attached to the substrate surface subsequent to the forming, treating, and etching of the layer of material.
    Type: Grant
    Filed: December 27, 2004
    Date of Patent: February 17, 2009
    Assignee: Canon Kabushiki Kaisha
    Inventors: George B. Hopple, Roger W. Barton, John D. Porter, Theodore S. Fahlen, Bob L. Mackey
  • Patent number: 7473152
    Abstract: A flat-panel display is hermetically sealed by a process in which a first plate structure (30) is positioned generally opposite a second plate structure (32) such that sealing material (34) provided over the second plate structure lies between the plate structures. In a gravitational sealing technique, the first plate structure is positioned vertically below the second plate structure. The sealing material is heated so that it moves vertically downward under gravitational influence to meet the first plate structure and seal the plate structures together. In a global-heating gap-jumping technique, the plate structures and sealing material are globally heated to cause the sealing material to jump a gap between the sealing material and the first plate structure. When the first plate structure is positioned vertically above the second plate structure, the sealing material moves vertically upward to meet the first plate structure and close the gap.
    Type: Grant
    Filed: January 30, 2004
    Date of Patent: January 6, 2009
    Assignees: Canon Kabushiki Kaisha, Sony Corporation
    Inventors: Paul N. Ludwig, Theodore S. Fahlen, Shinji Kanagawa, Jennifer Y. Sun
  • Patent number: 7071907
    Abstract: A display (50) with enhanced image contrast contains an image-producing component (60) and a set of shutter strips (80). The image-producing component, typically a flat-panel device, has multiple imaging lines that provide light to produce an image. Each shutter strip is situated in front of one or more associated imaging lines. By appropriately switching the shutter strips between light-absorptive and light-transmissive states, the image contrast is enhanced. The shutter strips are typically implemented with a liquid-crystal display structure. The switching of the shutter strips is typically performed with a control component (52/76) which utilizes light to control the shutter switching and which is synchronized to signals (90 or/and 100) that control the imaging lines.
    Type: Grant
    Filed: May 7, 1999
    Date of Patent: July 4, 2006
    Assignees: Candescent Technologies Corporation, Candescent Intellectual Property Services, Inc.
    Inventors: Robert M. Duboc, Jr., Christopher J. Curtin, William A. Crossland, Anthony B. Davey, Theodore S. Fahlen
  • Patent number: 7002289
    Abstract: A light-emitting device (52) suitable for a flat-panel cathode-ray tube display contains a light-emissive region (66) formed over a plate (64). The light-emissive region contains a plurality of light-emissive particles (72). Part of the outer surface of each of a group of the light-emissive particles is conformally covered with a group of intensity-enhancement coatings (82 and 84).
    Type: Grant
    Filed: September 27, 2004
    Date of Patent: February 21, 2006
    Assignees: Candescent Technologies Corporation, Candescent Intellectual Property Services, Inc., Sony Corporation
    Inventors: John D. Porter, Roger A. Pearson, Kazuo Kajiwara, Haruo Kato, Lawrence S. Pan, Shiyou Pei, Theodore S. Fahlen
  • Patent number: 7002287
    Abstract: A protected faceplate structure of a field emission display device is disclosed in one embodiment. Specifically, in one embodiment, the present invention recites a faceplate of a field emission display device wherein the faceplate of the field emission display device is adapted to have phosphor containing wells disposed above one side thereof. The present embodiment is further comprised of a barrier layer which is disposed over the one side of said faceplate which is adapted to have phosphor containing wells disposed thereabove. The barrier layer of the present embodiment is adapted to prevent degradation of the faceplate. Specifically, the barrier layer of the present embodiment is adapted to prevent degradation of the faceplate due to electron bombardment by electrons directed towards the phosphor containing wells.
    Type: Grant
    Filed: July 28, 2000
    Date of Patent: February 21, 2006
    Assignees: Candescent Intellectual Property Services, Inc., Candescent Technologies Corporation
    Inventors: Bob L. Mackey, Duan A. Haven, Arthur J. Learn, John D. Porter, Theodore S. Fahlen, Shiyou Pei, William J. Cummings
  • Patent number: 6853135
    Abstract: An apparatus for removing contaminants from a display device is disclosed. In one embodiment, an auxiliary chamber is adapted to be coupled to a surface of a display device such that contaminants within the display device can travel from the display device into the auxiliary chamber. A getter is disposed in the auxiliary chamber. The getter is adapted to capture the contaminants once the contaminants travel from the display device into the auxiliary chamber. In other embodiments, the getter is disposed in the border region surrounding the active area of the display.
    Type: Grant
    Filed: May 20, 2002
    Date of Patent: February 8, 2005
    Assignees: Candescent Technologies Corporation, Candescent Intellectual Property Services, Inc.
    Inventors: William C. Fritz, Igor L. Maslennikov, Robert M. Duboc, Jr., Theodore S. Fahlen, George B. Hopple, Christopher J. Curtin, Colin D. Stanners, Petre H. Vatahov, Christopher J. Spindt, Ronald L. Hansen
  • Patent number: 6853129
    Abstract: A protected faceplate structure of a field emission display device is disclosed in one embodiment. Specifically, in one embodiment, the present invention recites a faceplate of a field emission display device wherein the faceplate of the field emission display device is adapted to have phosphor containing areas disposed above one side thereof. The present embodiment is further comprised of a barrier layer which is disposed over the one side of said faceplate which is adapted to have phosphor containing areas disposed thereabove. The barrier layer of the present embodiment is adapted to prevent degradation of the faceplate. Specifically, the barrier layer of the present embodiment is adapted to prevent degradation of the faceplate due to electron bombardment by electrons directed towards the phosphor containing areas.
    Type: Grant
    Filed: April 11, 2003
    Date of Patent: February 8, 2005
    Assignees: Candescent Technologies Corporation, Candescent Intellectual Property Services, Inc.
    Inventors: William J. Cummings, Kris E. Sahlstrom, Shiyou Pei, Bob L. Mackey, Arthur J. Learn, John D. Porter, Theodore S. Fahlen
  • Patent number: 6834431
    Abstract: A method of fabricating a support structure. In one embodiment, the method is comprised of forming a layer of material into the support structure. The layer of material is adapted to be attached onto a substrate surface. The method further comprises treating the layer of material. The present method is further comprised of etching said layer of material. The fabricated support structure is then implementable during assembly of a display device. In one embodiment, the support structure is attached to the substrate surface prior to the forming, treating, and etching of the layer of material. In another embodiment, the support structure is attached to the substrate surface subsequent to the forming, treating, and etching of the layer of material.
    Type: Grant
    Filed: November 21, 2001
    Date of Patent: December 28, 2004
    Assignees: Candescent Intellectual Property Services, Inc., Candescent Technologies Corporation
    Inventors: George B. Hopple, Roger W. Barton, John D. Porter, Theodore S. Fahlen, Bob L. Mackey
  • Patent number: 6812636
    Abstract: A light-emitting device (52) suitable for a flat-panel cathode-ray tube display contains a light-emissive region (66) formed over a plate (64). The light-emissive region contains a plurality of light-emissive particles (72). Part of the outer surface of each light-emissive particle is conformally covered with a coating (74) that provides light reflection or/and gettering.
    Type: Grant
    Filed: March 30, 2001
    Date of Patent: November 2, 2004
    Assignees: Candescent Technologies Corporation, Candescent Intellectual Property Services, Inc., Sony Corporation
    Inventors: John D. Porter, Roger A. Pearson, Kazuo Kajiwara, Haruo Kato, Lawrence S. Pan, Shiyou Pei, Theodore S. Fahlen
  • Patent number: 6742257
    Abstract: A method of fabricating a support structure. In one embodiment, the method is comprised of providing a mold. The mold is for defining the physical dimension of the support structure. The mold is disposed upon a substrate surface. In one embodiment, the method is further comprised of depositing a powder into the mold. The present method is further comprised of compacting the powder deposited in the mold. The compacting forms the support structure. In one embodiment, the method is further comprised of removing the mold from the substrate surface upon which it is disposed. The removal of the mold exposes the support structure. The fabricated support structure is then implementable during assembly of a display device. In one embodiment, the powder deposited in the mold is a metal powder.
    Type: Grant
    Filed: October 2, 2001
    Date of Patent: June 1, 2004
    Assignees: Candescent Technologies Corporation, Candescent Intellectual Property Services, Inc.
    Inventors: Theodore S. Fahlen, George B. Hopple, John D. Porter, Roger W. Barton, Bob L. Mackey
  • Patent number: 6741027
    Abstract: A protected faceplate structure of a field emission display device is disclosed in one embodiment. Specifically, in one embodiment, the present invention recites a faceplate of a field emission display device wherein the faceplate of the field emission display device is adapted to have phosphor containing areas disposed above one side thereof. The present embodiment is further comprised of a barrier layer which is disposed over the one side of said faceplate which is adapted to have phosphor containing areas disposed thereabove. The barrier layer of the present embodiment is adapted to prevent degradation of the faceplate. Specifically, the barrier layer of the present embodiment is adapted to prevent degradation of the faceplate due to electron bombardment by electrons directed towards the phosphor containing areas.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: May 25, 2004
    Assignees: Candescent Technologies Corporation, Candescent Intellectual Property Services, Inc.
    Inventors: William J. Cummings, Kris E. Sahlstrom, Shiyou Pei, Bob L. Mackey, Arthur J. Learn, John D. Porter, Theodore S. Fahlen
  • Patent number: 6734620
    Abstract: An electron-emitting device (20, 70, 80, or 90) contains an electrode, either a control electrode (38) or an emitter electrode (32), having a specified portion situated off to the side of the bulk of the electrode. For a control electrode, the specified portion is an exposure portion (38EA or 38EB) having openings that expose electron-emissive elements (50A or 50B) situated over an emitter electrode. For an emitter electrode, the specified portion is an emitter-coupling portion situated below at least one electron-emissive element exposed through at least one opening in a control electrode. Configuring the device in this way enables the control-electrode-to-emitter-electrode capacitance to be quite small, thereby enhancing the device's switching speed. If the specified portion of the electrode becomes short circuited to the other electrode, the short-circuit defect can be removed by severing the specified portion from the remainder of its electrode.
    Type: Grant
    Filed: December 12, 2001
    Date of Patent: May 11, 2004
    Assignees: Candescent Technologies Corporation, Candescent Intellectual Property Services, Inc., Sony Corporation
    Inventors: Steven J. Radigan, Matthew A. Bonn, Hidenori Kemmotsu, Theodore S. Fahlen
  • Patent number: 6727048
    Abstract: A method for photo-imageable lacquer deposition for a display device. In one embodiment, a layer of photo-imageable lacquer is deposited on top of a faceplate of a display device. Portions of the lacquer layer are removed and selected portions of the lacquer layer remain deposited in the sub-pixel areas of the faceplate.
    Type: Grant
    Filed: December 20, 2001
    Date of Patent: April 27, 2004
    Assignees: Candescent Intellectual Property Services, Inc., Candescent Technologies Corporation
    Inventors: Olof M. Trollsas, Theodore S. Fahlen
  • Patent number: 6722937
    Abstract: A flat-panel display is hermetically sealed by a process in which a first plate structure (30) is positioned generally opposite a second plate structure (32) such that sealing material (34) provided over the second plate structure lies between the plate structures. In a gravitational sealing technique, the first plate structure is positioned vertically below the second plate structure. The sealing material is heated so that it moves vertically downward under gravitational influence to meet the first plate structure and seal the plate structures together. In a global-heating gap-jumping technique, the plate structures and sealing material are globally heated to cause the sealing material to jump a gap between the sealing material and the first plate structure. When the first plate structure is positioned vertically above the second plate structure, the sealing material moves vertically upward to meet the first plate structure and close the gap.
    Type: Grant
    Filed: July 31, 2000
    Date of Patent: April 20, 2004
    Assignees: Candescent Technologies Corporation, Candescent Intellectual Property Services, Inc., Sony Corporation
    Inventors: Paul N. Ludwig, Theodore S. Fahlen, Shinji Kanagawa, Jennifer Y. Sun
  • Publication number: 20030224251
    Abstract: A method for photo-imageable lacquer deposition for a display device. In one embodiment, a layer of photo-imageable lacquer is deposited on top of a faceplate of a display device. Portions of the lacquer layer are removed and selected portions of the lacquer layer remain deposited in the sub-pixel areas of the faceplate.
    Type: Application
    Filed: December 20, 2001
    Publication date: December 4, 2003
    Inventors: Olof M. Trollsas, Theodore S. Fahlen
  • Patent number: 6632117
    Abstract: A method for attaching a faceplate and a backplate of a field emission display device. Specifically, one embodiment of the present invention discloses a method for protecting a silicon nitride passivation layer from reacting with a glass frit sealing material that contains lead oxide during an oven sealing or laser sealing process. The passivation layer protects row and column electrodes in the display device. A barrier material fully encapsulates the silicon nitride passivation layer. In one embodiment, silicon dioxide is the barrier material. In another embodiment, spin-on-glass is the barrier material. In still another embodiment, cermet is the barrier material.
    Type: Grant
    Filed: August 3, 2001
    Date of Patent: October 14, 2003
    Assignees: Candescent Intellectual Property Services, Inc., Candescent Technologies Corporation
    Inventors: Jueng-Gil Lee, Theodore S. Fahlen
  • Patent number: 6630786
    Abstract: A light-emitting device (42, 68, 80, 90, or 100) suitable for a flat-panel CRT display contains a plate (54), a light-emissive region (56), a light-blocking region (58), and a light-reflective layer (60 or 70). The light-emitting device achieves one or more of the following characteristics by suitably implementing the light-reflective layer or/and providing one or more layers (72, 82, 92, and 100) along the light-reflective layer: (a) reduced electron energy loss as electrons pass through the light-reflective layer, (b) gettering along the light-reflective layer, (c) reduced secondary electron emission along the light-reflective layer, (d) reduced electron backscattering along the light-reflective layer, and (e) reduced chemical reactivity along the light-reflective layer.
    Type: Grant
    Filed: March 30, 2001
    Date of Patent: October 7, 2003
    Assignees: Candescent Technologies Corporation, Candescent Intellectual Property Services, Inc.
    Inventors: William J. Cummings, Lawrence S. Pan, Christopher J. Spindt, George B. Hopple, Colin D. Stanners, James C. Dunphy, Shiyou Pei, Theodore S. Fahlen
  • Patent number: 6590338
    Abstract: An apparatus for removing contaminants from a display device using an auxiliary chamber, and a method for attaching the auxiliary chamber to the display device. In one embodiment, an auxiliary chamber is adapted to be coupled to a surface of a display device. The auxiliary chamber is adapted to be coupled to the surface of the display device such that contaminants within the display device can travel from the display device into the auxiliary chamber. The auxiliary chamber further includes a getter which is disposed therein. The getter is adapted to capture the contaminants once the contaminants travel from the display device into the auxiliary chamber. In so doing, the present invention eliminates the need for getter material to be placed within the active area of the display device. As a result, the present invention increases the usable amount of space available within the display device. This extra space can then be utilized by features such as, for example, additional field emitters.
    Type: Grant
    Filed: February 29, 2000
    Date of Patent: July 8, 2003
    Assignee: Candescent Technologies Corporation
    Inventors: William C. Fritz, Igor L. Maslennikov, Robert M. Duboc, Jr., Theodore S. Fahlen, George B. Hopple
  • Publication number: 20030107311
    Abstract: An electron-emitting device (20, 70, 80, or 90) contains an electrode, either a control electrode (38) or an emitter electrode (32), having a specified portion situated off to the side of the bulk of the electrode. For a control electrode, the specified portion is an exposure portion (38EA or 38EB) having openings that expose electron-emissive elements (50A or 50B) situated over an emitter electrode. For an emitter electrode, the specified portion is an emitter-coupling portion situated below at least one electron-emissive element exposed through at least one opening in a control electrode. Configuring the device in this way enables the control-electrode-to-emitter-electrode capacitance to be quite small, thereby enhancing the device's switching speed. If the specified portion of the electrode becomes short circuited to the other electrode, the short-circuit defect can be removed by severing the specified portion from the remainder of its electrode.
    Type: Application
    Filed: December 12, 2001
    Publication date: June 12, 2003
    Applicant: Candescent Technologies Corporation
    Inventors: Steven J. Radigan, Matthew A. Bonn, Hidenori Kemmotsu, Theodore S. Fahlen
  • Patent number: 6571464
    Abstract: Methods and structures are provided which support spacer walls in a position which facilitates installation of the spacer walls between a faceplate structure and a backplate structure of a flat panel display. In one embodiment, spacer feet are formed at opposing ends of the spacer wall. These spacer feet can be formed of materials such as ceramic, glass and/or glass frit. The spacer feet support the corresponding spacer wall on the faceplate (or backplate) structure. Tacking electrodes can be provided on the faceplate (or backplate) structure to assert an electrostatic force on the spacer feet, thereby holding the spacer feet in place during installation of the spacer wall. The spacer wall can be mechanically and/or thermally expanded prior to attaching both ends of the spacer wall to the faceplate (or backplate) structure. The spacer wall is then allowed to contract, thereby introducing tension into the spacer wall which tends to straighten any inherent waviness in the spacer wall.
    Type: Grant
    Filed: April 26, 2001
    Date of Patent: June 3, 2003
    Assignees: Candescent Technologies Corporation, Candescent Intellectual Property Services, Inc.
    Inventors: Theodore S. Fahlen, Alfred S. Conte, Robert M. Duboc, Jr., George B. Hopple, John K. O'Reilly, Vasil M. Chakarov, Robert L. Marion, Steve T. Cho, Robert G. Neimeyer, Jennifer Y. Sun, David L. Morris, Christopher J. Spindt, Kollengode S. Narayanan