Intellectual Property India Publishes Patent Application for Optical Systems With Light-Expanding Couplers

MUMBAI, India, July 13 -- Intellectual Property India has published a patent application (202418053999 A) filed by Apple Inc. on July 15, 2024, for Optical Systems With Light-Expanding Couplers.

Inventors include Pfeiffer, Jonathan B.; Aieta, Francesco; Oh, Se, Baek; Schlottau, Friso; and Urness, Adam, C. Number.

The application for the patent was published on July 10, 2026, under issue no. 28/2026.

Abstract: An electronic device may include a display that generates light for an optical system that redirects the light towards an eye box. The optical system may include a waveguide, a nondiffractive input coupler, a cross coupler, and an output coupler. The cross coupler may expand the light in a first direction. The cross coupler may perf...