Patents by Inventor Lawrence Chang-Yung Wang

Lawrence Chang-Yung Wang 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).

  • Publication number: 20230085063
    Abstract: A vertical cavity surface emitting laser (VCSEL) chip includes a structured light (SL) VCSEL array, and a fill VCSEL array. The SL VCSEL array includes a plurality of first VCSELs on a substrate. The fill VCSEL array includes a plurality of second VCSELs on the substrate. The fill VCSEL array is positioned orthogonal to the SL VCSEL array on the substrate. Light emitted from the SL VCSEL array may be used to form a bar pattern, and light from the SL VCSEL array and the fill VCSEL array together may be used to form flood illumination.
    Type: Application
    Filed: January 10, 2022
    Publication date: March 16, 2023
    Inventors: Jonatan Ginzburg, Benjamin Nicholas Jones, Arun Kumar Nallani Chakravartula, Jun Li, Lawrence Chang-Yung Wang
  • Patent number: 11482162
    Abstract: An apparatus for efficiently driving visual displays via light-emitting devices may include (1) at least one light-emitting device, (2) a buck driver circuit electrically coupled to the light-emitting device, wherein the buck driver circuit includes an inductor, and (3) a boost circuit electrically coupled between the buck driver circuit and a power source, wherein the boost circuit includes an additional inductor. Various other apparatuses, systems, and methods are also disclosed.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: October 25, 2022
    Assignee: Meta Platforms Technologies, LLC
    Inventors: Yuming Liu, Xiaobei Li, Lawrence Chang-Yung Wang, Sam Sarmast, Phillip Freeman King, Benjamin Nicholas Jones
  • Publication number: 20210383745
    Abstract: An apparatus for efficiently driving visual displays via light-emitting devices may include (1) at least one light-emitting device, (2) a buck driver circuit electrically coupled to the light-emitting device, wherein the buck driver circuit includes an inductor, and (3) a boost circuit electrically coupled between the buck driver circuit and a power source, wherein the boost circuit includes an additional inductor. Various other apparatuses, systems, and methods are also disclosed.
    Type: Application
    Filed: August 20, 2021
    Publication date: December 9, 2021
    Inventors: Yuming Liu, Xiaobei Li, Lawrence Chang-Yung Wang, Sam Sarmast, Phillip Freeman King, Benjamin Nicholas Jones
  • Patent number: 11145242
    Abstract: An apparatus for efficiently driving visual displays via light-emitting devices may include (1) at least one light-emitting device, (2) a buck driver circuit electrically coupled to the light-emitting device, wherein the buck driver circuit includes an inductor, and (3) a boost circuit electrically coupled between the buck driver circuit and a power source, wherein the boost circuit includes an additional inductor. Various other apparatuses, systems, and methods are also disclosed.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: October 12, 2021
    Assignee: Facebook Technologies, LLC
    Inventors: Yuming Liu, Xiaobei Li, Lawrence Chang-Yung Wang, Sam Sarmast, Phillip Freeman King, Benjamin Nicholas Jones
  • Publication number: 20210125542
    Abstract: An apparatus for efficiently driving visual displays via light-emitting devices may include (1) at least one light-emitting device, (2) a buck driver circuit electrically coupled to the light-emitting device, wherein the buck driver circuit includes an inductor, and (3) a boost circuit electrically coupled between the buck driver circuit and a power source, wherein the boost circuit includes an additional inductor. Various other apparatuses, systems, and methods are also disclosed.
    Type: Application
    Filed: February 12, 2020
    Publication date: April 29, 2021
    Inventors: Yuming Liu, Xiaobei Li, Lawrence Chang-Yung Wang, Sam Sarmast, Phillip Freeman King, Benjamin Nicholas Jones
  • Patent number: 9631484
    Abstract: A drilling system that may include a drilling element for drilling a hole in a geological formation; a sensor module arranged to collect information about the drilling; a transmitter that is arranged to receive the information from the sensor module, amplify the information by a super-capacitor amplifier to provide amplified information and to provide the amplified information to a first element and to a second element of an antenna, the first and second elements of the antenna are located at two opposite sides of a band gap; wherein the antenna is arranged to transmit the amplified information via the geological formation; wherein the super-capacitor amplifier comprises a plurality of switched capacitor converters, each switched capacitor converter comprises a plurality of converter stages, each converter stage comprises capacitors and switches that are arranged to perform a current amplification of an input signal; wherein each converter stage is arranged to operate with alternating charge cycles and discha
    Type: Grant
    Filed: February 17, 2013
    Date of Patent: April 25, 2017
    Assignee: R&B Industrial Supply Co.
    Inventors: Vladimir Rozenblit, Vadim Buryakovsky, Lawrence Chang-Yung Wang, Yevgeniy Filipp Fiterman
  • Publication number: 20140231139
    Abstract: A method and a drilling system that may include a drilling element for drilling a hole in a geological formation; a sensor module arranged to collect information about the drilling; a transmitter that is arranged to receive the information from the sensor module, amplify the information by a super-capacitor amplifier to provide amplified information and to provide the amplified information to a first element and to a second element of an antenna, the first and second elements of the antenna are located at two opposite sides of a band gap; wherein the antenna is arranged to transmit the amplified information via the geological formation; wherein the super-capacitor amplifier comprises a plurality of switched capacitor converters, each switched capacitor converter comprises a plurality of converter stages, each converter stage comprises capacitors and switches that are arranged to perform a current amplification of an input signal; wherein each converter stage is arranged to operate with alternating charge cycl
    Type: Application
    Filed: February 17, 2013
    Publication date: August 21, 2014
    Inventors: Vladimir Rozenblit, Vadim Buryakovsky, Lawrence Chang-Yung Wang, Yevgeniy Filipp Fiterman