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.

Date of Patent:
Oct. 08, 2024

Filed:

Apr. 06, 2023
Applicant:

Gentex Corporation, Zeeland, MI (US);

Inventors:

Robert R. Turnbull, Holland, MI (US);

David A. Blaker, Holland, MI (US);

Xiaoxu Niu, Grand Rapids, MI (US);

Leroy J. Kloeppner, Jenison, MI (US);

Bradley R. Hamlin, Allendale, MI (US);

Michael J. Burns, Hudsonville, MI (US);

Assignee:

GENTEX CORPORATION, Zeeland, MI (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/166 (2019.01); G02F 1/00 (2006.01); G02F 1/1676 (2019.01);
U.S. Cl.
CPC ...
G02F 1/166 (2019.01); G02F 1/0018 (2013.01); G02F 1/1676 (2019.01);
Abstract

An electro-optic device includes a first electrode electrically connecting with power supply circuitry. A second electrode is spaced from the first electrode and electrically connecting with the power supply circuitry. An electro-optic medium is disposed between the first electrode and the second electrode. At least one third electrode is disposed between the first electrode and the second electrode and electrically connecting with one of the first electrode and the second electrode via switching circuitry. The switching circuitry is operable to control an electrical current through the first electrode, the electro-optic medium, and the second electrode.


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