ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,138, issued on Dec. 9, was assigned to Applied Materials Inc. (Santa Clara, Calif.).
"Airgap structures for improved eyepiece efficiency" was invented by Erica Chen (Cupertino, Calif.), Kang Luo (Santa Clara, Calif.), Hao Tang (San Jose, Calif.), Jinrui Guo (San Jose, Calif.) and Ludovic Godet (Sunnyvale, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of the present disclosure generally relate to encapsulated optical devices and methods of forming encapsulated optical devices. The optical devices include a plurality of optical device structures disposed on a substrate. An encapsulation coating is disposed over the plurality of opti...