Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Giuseppe Calafiore0
Austin Lane0
Matthew E. Colburn0
Nihar Ranjan Mohanty0
Date of Patent
January 19, 2021
Patent Application Number
15878232
Date Filed
January 23, 2018
Patent Citations
Patent Citations Received
Patent Primary Examiner
Patent abstract
Ion implantation is used to fabricate an optical device having a varying refractive index. The optical device can include a substrate with a material disposed on the substrate. A refractive index of the material is changed by ion implantation. The material can also be etched or imprinted. The optical device can be used in a virtual-reality system or augmented-reality system to provide angular selectivity from a display to a user's eye.
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