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:
Jan. 24, 2023
Filed:
Jul. 09, 2021
Applicant:
Innovega Inc., Bellevue, WA (US);
Inventors:
Assignee:
INNOVEGA INC., Bellevue, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/02 (2006.01); G02C 7/12 (2006.01); G02C 7/04 (2006.01); G02B 27/48 (2006.01); G03B 21/62 (2014.01); G02B 5/30 (2006.01);
U.S. Cl.
CPC ...
G02C 7/12 (2013.01); G02B 5/0221 (2013.01); G02B 5/0236 (2013.01); G02B 5/0284 (2013.01); G02B 27/48 (2013.01); G02C 7/042 (2013.01); G03B 21/62 (2013.01); G02B 5/3058 (2013.01); G02C 7/044 (2013.01);
Abstract
According to some embodiments, a transparent screen includes a first transparent substrate having a first transparent substrate index of refraction and including a surface relief pattern, a partially reflective coating formed on the surface relief pattern, and a second transparent substrate bonded over the partially reflective coating with an optical adhesive having the first transparent substrate index of refraction.