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:
Oct. 30, 2018
Filed:
Mar. 13, 2015
Applicant:
Ppg Industries Ohio, Inc., Cleveland, OH (US);
Inventors:
Anil Kumar, Murrysville, PA (US);
Truman Wilt, Clinton, PA (US);
Peter L. Votruba-Drzal, Pittsburgh, PA (US);
Assignee:
PPG Industries Ohio, Inc., Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/153 (2006.01); G02F 1/15 (2006.01); G02F 1/155 (2006.01);
U.S. Cl.
CPC ...
G02F 1/155 (2013.01); G02F 2001/1557 (2013.01); G02F 2202/043 (2013.01);
Abstract
The present invention provides an electroactive optical device including an optical substrate having two opposing surfaces; at least two electrodes spaced one from the other and disposed on the surface of the substrate; and at least one electroactive material layer in contact with the at least two electrodes and the surface of the substrate. The electroactive optical device has variable light transmittance in response to the magnitude of an applied electrical voltage.