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:
Dec. 03, 2024
Filed:
May. 02, 2019
Lg Innotek Co., Ltd., Seoul, KR;
Corning Incorporated, Corning, NY (US);
Seung Ryong Park, Seoul, KR;
LG INNOTEK CO., LTD., Seoul, KR;
CORNING INCORPORATED, Corning, NY (US);
Abstract
The present invention provides a camera module includes a lens assembly comprising a liquid lens and at least one solid lens disposed above or below the liquid lens, the liquid lens comprising a plurality of individual electrodes and a common electrode; a driving driver configured to supply a voltage through the common electrode and at least one of the plurality of individual electrodes in the liquid lens in order to control an interface of the liquid lens; a capacitance measurement circuit configured to measure capacitance between the common electrode and at least one of the plurality of individual electrodes in the liquid lens; an operation state storage unit configured to store information on capacitance that varies depending on variation in temperature in the liquid lens; and a control unit to determine a temperature in the liquid lens based on the capacitance measured by the capacitance measurement circuit and the information.