Patents by Inventor DUEN HSING HSIEH

DUEN HSING HSIEH 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: 12276413
    Abstract: This document describes techniques directed to active thermal-control of a floodlight and associated floodlights. As described, an example floodlight includes a first heat-transfer subsystem that uses a fully enclosed heat sink to transfer heat from an array of LEDs to a first housing component of the floodlight. The floodlight further includes a second heat-transfer subsystem to transfer heat from one or more PSUs to a second housing component of the floodlight. Described techniques include using thermistors located throughout the floodlight to actively monitor a temperature profile within the floodlight and, if one or more operating-temperature thresholds are violated, reducing power consumption within the floodlight.
    Type: Grant
    Filed: November 21, 2023
    Date of Patent: April 15, 2025
    Assignee: Google LLC
    Inventors: Ihab A. Ali, Duen Hsing Hsieh
  • Publication number: 20240085011
    Abstract: This document describes techniques directed to active thermal-control of a floodlight and associated floodlights. As described, an example floodlight includes a first heat-transfer subsystem that uses a fully enclosed heat sink to transfer heat from an array of LEDs to a first housing component of the floodlight. The floodlight further includes a second heat-transfer subsystem to transfer heat from one or more PSUs to a second housing component of the floodlight. Described techniques include using thermistors located throughout the floodlight to actively monitor a temperature profile within the floodlight and, if one or more operating-temperature thresholds are violated, reducing power consumption within the floodlight.
    Type: Application
    Filed: November 21, 2023
    Publication date: March 14, 2024
    Applicant: Google LLC
    Inventors: Ihab A. Ali, Duen Hsing Hsieh
  • Patent number: 11867386
    Abstract: This document describes techniques directed to active thermal-control of a floodlight and associated floodlights. As described, an example floodlight includes a first heat-transfer subsystem that uses a fully enclosed heat sink to transfer heat from an array of LEDs to a first housing component of the floodlight. The floodlight further includes a second heat-transfer subsystem to transfer heat from one or more PSUs to a second housing component of the floodlight. Described techniques include using thermistors located throughout the floodlight to actively monitor a temperature profile within the floodlight and, if one or more operating-temperature thresholds are violated, reducing power consumption within the floodlight.
    Type: Grant
    Filed: May 10, 2022
    Date of Patent: January 9, 2024
    Assignee: Google LLC
    Inventors: Ihab A. Ali, Duen Hsing Hsieh
  • Patent number: 11785744
    Abstract: This document describes a reinforced graphite heat-spreader for a surface of a housing component of an electronic device. The reinforced graphite heat-spreader includes a heat-spreader material stack having a layer of graphite material to spread heat. The reinforced graphite heat-spreader also includes an interface material stack that joins the heat-spreader material stack to the housing surface of an electronic device. The interface material stack, which may be formed using embossing techniques, includes protuberances that may be formed from an adhesive material.
    Type: Grant
    Filed: April 25, 2022
    Date of Patent: October 10, 2023
    Assignee: Google LLC
    Inventors: Ihab A. Ali, Duen Hsing Hsieh
  • Patent number: 11576238
    Abstract: This document describes systems and techniques that use a virtual temperature-sensor for active thermal-control of a lighting system having an array of LEDs. The system and techniques use a forward voltage across the array of LEDs as the virtual temperature-sensor, converting the forward voltage to a level that is detectable by an MCU of the lighting system. In response to determining that the forward voltage exceeds a threshold, the lighting system may reduce an amount of an electrical current provided to the array of LEDs to decrease the forward voltage and alleviate a thermal condition that may be detrimental to the array of LEDs, thereby maintaining luminance capabilities of the array of LEDs and prolonging life of the array of LEDs.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: February 7, 2023
    Assignee: Google LLC
    Inventors: Duen Hsing Hsieh, Ihab A. Ali
  • Publication number: 20220268434
    Abstract: This document describes techniques directed to active thermal-control of a floodlight and associated floodlights. As described, an example floodlight includes a first heat-transfer subsystem that uses a fully enclosed heat sink to transfer heat from an array of LEDs to a first housing component of the floodlight. The floodlight further includes a second heat-transfer subsystem to transfer heat from one or more PSUs to a second housing component of the floodlight. Described techniques include using thermistors located throughout the floodlight to actively monitor a temperature profile within the floodlight and, if one or more operating-temperature thresholds are violated, reducing power consumption within the floodlight.
    Type: Application
    Filed: May 10, 2022
    Publication date: August 25, 2022
    Applicant: Google LLC
    Inventors: Ihab A. Ali, Duen Hsing Hsieh
  • Publication number: 20220272804
    Abstract: This document describes systems and techniques that use a virtual temperature-sensor for active thermal-control of a lighting system having an array of LEDs. The system and techniques use a forward voltage across the array of LEDs as the virtual temperature-sensor, converting the forward voltage to a level that is detectable by an MCU of the lighting system. In response to determining that the forward voltage exceeds a threshold, the lighting system may reduce an amount of an electrical current provided to the array of LEDs to decrease the forward voltage and alleviate a thermal condition that may be detrimental to the array of LEDs, thereby maintaining luminance capabilities of the array of LEDs and prolonging life of the array of LEDs.
    Type: Application
    Filed: February 22, 2021
    Publication date: August 25, 2022
    Applicant: Google LLC
    Inventors: Duen Hsing Hsieh, Ihab A. Ali
  • Publication number: 20220248562
    Abstract: This document describes a reinforced graphite heat-spreader for a surface of a housing component of an electronic device. The reinforced graphite heat-spreader includes a heat-spreader material stack having a layer of graphite material to spread heat. The reinforced graphite heat-spreader also includes an interface material stack that joins the heat-spreader material stack to the housing surface of an electronic device. The interface material stack, which may be formed using embossing techniques, includes protuberances that may be formed from an adhesive material.
    Type: Application
    Filed: April 25, 2022
    Publication date: August 4, 2022
    Inventors: Ihab A. Ali, Duen Hsing Hsieh
  • Patent number: 11346539
    Abstract: This document describes techniques directed to active thermal-control of a floodlight and associated floodlights. As described, an example floodlight includes a first heat-transfer subsystem that uses a fully enclosed heat sink to transfer heat from an array of LEDs to a first housing component of the floodlight. The floodlight further includes a second heat-transfer subsystem to transfer heat from one or more PSUs to a second housing component of the floodlight. Described techniques include using thermistors located throughout the floodlight to actively monitor a temperature profile within the floodlight and, if one or more operating-temperature thresholds are violated, reducing power consumption within the floodlight.
    Type: Grant
    Filed: February 18, 2021
    Date of Patent: May 31, 2022
    Assignee: Google LLC
    Inventors: Ihab A. Ali, Duen Hsing Hsieh
  • Patent number: 11317538
    Abstract: This document describes a reinforced graphite heat-spreader for a surface of a housing component of an electronic device. The reinforced graphite heat-spreader includes a heat-spreader material stack having a layer of graphite material to spread heat. The reinforced graphite heat-spreader also includes an interface material stack that joins the heat-spreader material stack to the housing surface of an electronic device. The interface material stack, which may be formed using embossing techniques, includes protuberances that may be formed from an adhesive material.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: April 26, 2022
    Assignee: Google LLC
    Inventors: Ihab A. Ali, Duen Hsing Hsieh
  • Publication number: 20220039285
    Abstract: This document describes a reinforced graphite heat-spreader for a surface of a housing component of an electronic device. The reinforced graphite heat-spreader includes a heat-spreader material stack having a layer of graphite material to spread heat. The reinforced graphite heat-spreader also includes an interface material stack that joins the heat-spreader material stack to the housing surface of an electronic device. The interface material stack, which may be formed using embossing techniques, includes protuberances that may be formed from an adhesive material.
    Type: Application
    Filed: July 30, 2020
    Publication date: February 3, 2022
    Applicant: Google LLC
    Inventors: Ihab A. Ali, Duen Hsing Hsieh
  • Patent number: 9468997
    Abstract: An apparatus provides conductive cooling of an information handling system. The apparatus includes a panel having a vent area formed in the panel. The vent area includes a perimeter, an interior section and a plurality of ribs that extend across the interior section. The vent area further includes several openings defined by lateral spacing between the ribs. The openings extend through the panel and are configured to receive cooling airflow into the openings and to discharge cooling air flow from the openings. A conductive heat sink layer is attached to the panel. The conductive heat sink layer covers a perimeter area surrounding the vent area, with strips of the conductive heat sink layer also covering the ribs, while leaving the openings between the ribs uncovered such that the strips of the conductive heat sink layer function to conduct additional heat away from the vent area along the ribs.
    Type: Grant
    Filed: July 7, 2014
    Date of Patent: October 18, 2016
    Assignee: DELL PRODUCTS, L.P.
    Inventors: Travis C. North, Duen Hsing Hsieh, Austin Michael Shelnutt, Christopher M. Helberg, Deeder M. Aurongzeb
  • Publication number: 20160007497
    Abstract: An apparatus provides conductive cooling of an information handling system. The apparatus includes a panel having a vent area formed in the panel. The vent area includes a perimeter, an interior section and a plurality of ribs that extend across the interior section. The vent area further includes several openings defined by lateral spacing between the ribs. The openings extend through the panel and are configured to receive cooling airflow into the openings and to discharge cooling air flow from the openings. A conductive heat sink layer is attached to the panel. The conductive heat sink layer covers a perimeter area surrounding the vent area, with strips of the conductive heat sink layer also covering the ribs, while leaving the openings between the ribs uncovered such that the strips of the conductive heat sink layer function to conduct additional heat away from the vent area along the ribs.
    Type: Application
    Filed: July 7, 2014
    Publication date: January 7, 2016
    Applicant: DELL PRODUCTS, L.P.
    Inventors: TRAVIS C. NORTH, DUEN HSING HSIEH, AUSTIN MICHAEL SHELNUTT, CHRISTOPHER M. HELBERG, DEEDER M. AURONGZEB