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:
Nov. 29, 2022
Filed:
May. 16, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
In Ju Mun, Daejeon, KR;
Kum Suek Seo, Daejeon, KR;
Beom Jin Lee, Daejeon, KR;
Byoung Kun Jeon, Daejeon, KR;
Seong Min Lee, Daejeon, KR;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1333 (2006.01); G02B 26/00 (2006.01); G02F 1/1335 (2006.01); G02F 1/139 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133305 (2013.01); G02B 26/004 (2013.01); G02F 1/139 (2013.01); G02F 1/133528 (2013.01); G02F 2202/28 (2013.01);
Abstract
An optical device is provided. The optical device is capable of varying transmittance, and such optical device can be used for various applications such as eyewear, for example, sunglasses or AR (augmented reality) or VR (virtual reality) eyewear, an outer wall of a building or a sunroof for a vehicle.