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. 23, 2024
Filed:
Nov. 23, 2020
Applicant:
Google Llc, Mountain View, CA (US);
Inventors:
Thomas L. Haslett, Toronto, CA;
Robert M. Krause, Newark, DE (US);
Jill Berger, Saratoga, CA (US);
Kevin Yasumura, Lafayette, CA (US);
Assignee:
Google LLC, Mountain View, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 26/08 (2006.01); G02B 27/10 (2006.01); G02B 6/35 (2006.01);
U.S. Cl.
CPC ...
G02B 26/0833 (2013.01); G02B 27/1006 (2013.01); G02B 6/3518 (2013.01);
Abstract
A programmable beam blocker includes a liquid crystal based grid of pixels, one or more groups of pixels, or plurality of pixels, corresponding to individual beams of light. The application of a voltage through one pixel can change the phase of the liquid crystal material to prevent the transmission of light through it.