US Patent 11619817 Pancake lenses using Fresnel surfaces
Patent 11619817 was granted and assigned to Meta on April, 2023 by the United States Patent and Trademark Office.
All edits
Edits on 14 Aug, 2023
Golden AI
Edits made to:
Infobox (+4 properties)
Infobox
Patent Inventor Names
Andrew John Ouderkirk0
Brian Wheelwright0
Jacques Gollier0
Ying Geng0
Edits on 8 Apr, 2023
Golden AI
Edits made to:
Infobox (+16 properties)
Article (+480 characters)
US Patent 11619817 Pancake lenses using Fresnel surfaces
Article
A head-mounted display includes a pancake lens block. The pancake lens block includes a first waveplate to form first nonlinearly polarized light, a Fresnel surface to reflect and transmit a portion of the first nonlinearly polarized light, a second waveplate to form first linearly polarized light, and a linear reflective polarizer to transmit linear polarized light of a particular polarization rotation direction and to reflect light of other polarization rotation directions.
Infobox
Is a
Patent Applicant
0
Current Assignee
0
Patent Jurisdiction
Patent Number
116198170
Date of Patent
April 4, 2023
0Patent Application Number
171012110
Date Filed
November 23, 2020
0Patent Citations
Patent Primary Examiner
Find more entities like US Patent 11619817 Pancake lenses using Fresnel surfaces
Use the Golden Query Tool to find similar entities by any field in the Knowledge Graph, including industry, location, and more.
