US Patent Issued to Magic Leap on Dec. 16 for "Air pocket structures for promoting total internal reflection in a waveguide" (Texas Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,498,581, issued on Dec. 16, was assigned to Magic Leap Inc. (Plantation, Fla.).

"Air pocket structures for promoting total internal reflection in a waveguide" was invented by Xiaopei Deng (Cedar Park, Texas), Vikramjit Singh (Pflugerville, Texas), Shuqiang Yang (Austin, Texas), Kang Luo (Austin, Texas), Nai-Wen Pi (Plano, Texas) and Frank Y. Xu (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Recesses are formed on a front side and a rear side of a waveguide. A solid porogen material is spun onto the front side and the rear side and fills the recesses. First front and rear cap layers are then formed on raised formations of the waveguide and...