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:
May. 20, 2025
Filed:
May. 23, 2019
Applicant:
Lg Innotek Co., Ltd., Seoul, KR;
Inventors:
Won Jin Kim, Seoul, KR;
Jung Eun Han, Seoul, KR;
Assignee:
LG INNOTEK CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 3/14 (2006.01); G02B 7/02 (2021.01); G03B 17/12 (2021.01); H01B 1/12 (2006.01); H04N 23/55 (2023.01);
U.S. Cl.
CPC ...
G02B 3/14 (2013.01); G02B 7/021 (2013.01); G03B 17/12 (2013.01); H01B 1/12 (2013.01); H04N 23/55 (2023.01);
Abstract
A liquid lens includes a first plate in which a cavity accommodating a conductive liquid and a non-conductive liquid is formed; a first electrode disposed on the first plate; a second electrode disposed under the first plate; a second plate disposed on the first electrode; and a third plate disposed under the second electrode, wherein the conductive liquid includes a solvent comprising 20 to 60% by weight of water and 20 to 60% by weight of antifreeze; 10 to 20% by weight of a solute; and 0.4 to 2% by weight of a chelation agent or an ion inhibitor.