×

Controlling grating outcoupling strength for AR waveguide combiners

  • US 10,564,332 B2
  • Filed: 01/26/2018
  • Issued: 02/18/2020
  • Est. Priority Date: 01/26/2018
  • Status: Active Grant
First Claim
Patent Images

1. A device comprising:

  • one or more regions, each of the regions having one or more gratings formed on a substrate, the gratings of at least one region of the one or more regions comprising;

    at least one first grating formed on the substrate having a first duty cycle;

    at least one second grating formed on the substrate adjacent to the at least one first grating having a second duty cycle different than the first duty cycle; and

    at least one third grating formed on the substrate adjacent to the at least one second grating having a third duty cycle different than the first duty cycle and the second duty cycle.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×