Patents by Inventor D. Brent Willamson

D. Brent Willamson 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).

  • Wire grid polarizer with dual absorptive regions
    Patent number: 9869898
    Abstract: A selectively-absorptive wire grid polarizer comprising an array of parallel, elongated rods disposed over a surface of a transparent substrate with gaps between adjacent rods, each of the rods including a reflective wire sandwiched between two absorptive ribs. A method of making this wire grid polarizer. A use of this wire grid polarizer in an image projection system.
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: January 16, 2018
    Assignee: Moxtek, Inc.
    Inventors: R. Stewart Nielson, Bradley R. Williams, Benjamin Downard, D. Brent Willamson
  • Wire Grid Polarizer with Dual Absorptive Regions
    Publication number: 20170184898
    Abstract: A selectively-absorptive wire grid polarizer comprising an array of parallel, elongated rods disposed over a surface of a transparent substrate with gaps between adjacent rods, each of the rods including a reflective wire sandwiched between two absorptive ribs. A method of making this wire grid polarizer. A use of this wire grid polarizer in an image projection system.
    Type: Application
    Filed: March 14, 2017
    Publication date: June 29, 2017
    Inventors: R. Stewart Nielson, Bradley R. Williams, Benjamin Downard, D. Brent Willamson
  • Wire grid polarizer with dual absorptive regions
    Patent number: 9684203
    Abstract: A selectively-absorptive wire grid polarizer comprising an array of parallel, elongated rods disposed over a surface of a transparent substrate with gaps between adjacent rods, each of the rods including a reflective wire sandwiched between two absorptive ribs. A method of making this wire grid polarizer. A use of this wire grid polarizer in an image projection system.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: June 20, 2017
    Assignee: Moxtek, Inc.
    Inventors: R. Stewart Nielson, Bradley R. Williams, Benjamin Downard, D. Brent Willamson
  • WIRE GRID POLARIZER WITH DUAL ABSORPTIVE REGIONS
    Publication number: 20160357064
    Abstract: A selectively-absorptive wire grid polarizer comprising an array of parallel, elongated rods disposed over a surface of a transparent substrate with gaps between adjacent rods, each of the rods including a reflective wire sandwiched between two absorptive ribs. A method of making this wire grid polarizer. A use of this wire grid polarizer in an image projection system.
    Type: Application
    Filed: June 5, 2015
    Publication date: December 8, 2016
    Inventors: R. Stewart Nielson, Bradley R. Williams, Benjamin Downard, D. Brent Willamson