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:
Jun. 28, 2022
Filed:
Sep. 03, 2019
Lg Chem, Ltd., Seoul, KR;
Jung Woon Kim, Daejeon, KR;
Byoung Kun Jeon, Daejeon, KR;
Beom Jin Lee, Daejeon, KR;
In Ju Mun, Daejeon, KR;
Su Young Ryu, Daejeon, KR;
Seong Min Lee, Daejeon, KR;
Young Shin Lee, Daejeon, KR;
Nam Hun Kim, Daejeon, KR;
Abstract
An optical device includes a first outer substrate; a second outer substrate disposed opposite to the first outer substrate; and an active liquid crystal film or a polarizer, wherein the active liquid crystal film or the polarizer is encapsulated by an encapsulating agent between the first and second outer substrates and wherein a shrinkable film adjacent to any one of the first and second outer substrates is further included. The optical device is capable of varying transmittance. The optical device can be used for various applications such as an eyewear, for example, sunglasses or AR (augmented reality) or VR (virtual reality) eyewears, an outer wall of a building or a sunroof for a vehicle.