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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.:

US 12677374 B1

PDFFull Text
Date of Patent:
Jul. 07, 2026

Filed:

Jan. 18, 2022

Protection circuit unit and method of bonding lead portions and protection circuit unit

Applicant:

Lg Energy Solution, Ltd., Seoul, KR;

Inventors:

Sang Jin Kim, Daejeon, KR;

Young Joong Kim, Daejeon, KR;

Jin Hyun Lee, Daejeon, KR;

Dae Ho Jung, Daejeon, KR;

Assignee:

LG ENERGY SOLUTION, LTD., Seoul, KR;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Timothy J Thompson

Int. Cl.
CPC ...
H05K 1/181 (2026.01); H05K 1/03 (2006.01);
U.S. Cl.
CPC ...
H05K 1/181 (2013.01); H05K 1/0306 (2013.01); H05K 2201/0212 (2013.01); H05K 2201/10037 (2013.01); H05K 2201/2054 (2013.01);
Abstract

Discussed is a protection circuit module that may include a printed circuit board configured to be connected to a positive lead part and a negative lead part connected to a battery cell, wherein the printed circuit board includes an upper layer bonded to the positive lead part and the negative lead part so as to be electrically connected; an intermediate layer including a first insulating layer including a material containing an epoxy resin and provided below the upper layer; and a laser reflective layer provided between the upper layer and the first insulating layer and reflecting light from a laser.

Find Patent Forward Citations

Kim, Sang. (2026). Protection circuit unit and method of bonding lead portions and protection circuit unit (U.S. Patent No. 12677374). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12677374

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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