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.

Date of Patent:
Apr. 20, 2021

Filed:

May. 09, 2018
Applicant:

Lg Innotek Co., Ltd., Seoul, KR;

Inventors:

Jun Young Lim, Seoul, KR;

Jong Seok Park, Seoul, KR;

Hyung Kyu Yoon, Seoul, KR;

Seong Hwan Im, Seoul, KR;

Gi Uk Yang, Seoul, KR;

Dae Sung Yoo, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 1/02 (2006.01); H05K 1/14 (2006.01); H05K 3/46 (2006.01); H05K 3/28 (2006.01);
U.S. Cl.
CPC ...
H05K 1/028 (2013.01); H05K 1/14 (2013.01); H05K 3/28 (2013.01); H05K 3/4691 (2013.01);
Abstract

A flexible circuit board for all-in-one chip on film according to an embodiment may include: a substrate; a conductive pattern part disposed on the substrate; and a protective layer partially disposed on the conductive pattern part, wherein the conductive pattern part includes a first conductive pattern part and a second conductive pattern part which are spaced apart from each other, each of the first conductive pattern part and the second conductive pattern part includes a wiring pattern layer, a first plating layer, and a second plating layer that are sequentially placed on the substrate, the first conductive pattern part includes a first open region in which the protective layer is open, the second conductive pattern part includes a second open region in which the protective layer is open, and a content of tin of the second plating layer in the first open region is greater than that of the second plating layer in the second open region.


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