The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 04, 2021
Filed:
Nov. 22, 2019
Applicant:
Valve Corporation, Bellevue, WA (US);
Inventors:
Joshua Mark Hudman, Issaquah, WA (US);
Ivan A. McCracken, Bellevue, WA (US);
Assignee:
Valve Corporation, Bellevue, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/00 (2006.01); G02B 5/30 (2006.01); G02B 27/28 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0025 (2013.01); G02B 5/3083 (2013.01); G02B 27/283 (2013.01);
Abstract
A head-mounted display, or other near-to-eye display, incorporates optics that include a spatially-varying retarder (SVR). The SVR may be manufactured with a correction factor applied thereto in order to compensate for one or more manufacturing errors that are exhibited in a molded lens and/or a polarizing beam splitter included in the optics of the system.