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:
Sep. 16, 2025
Filed:
Mar. 02, 2022
Applicant:
Seoul Semiconductor Co., Ltd., Gyeonggi-do, KR;
Inventors:
Youngsik Ki, Gyeonggi-do, KR;
Seung Sik Hong, Gyeonggi-do, KR;
Assignee:
SEOUL SEMICONDUCTOR CO., LTD., Ansan-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10H 20/857 (2025.01); H01L 25/075 (2006.01);
U.S. Cl.
CPC ...
H10H 20/857 (2025.01); H01L 25/0753 (2013.01);
Abstract
A circuit board includes a base having a plurality of interconnections on an upper surface thereof, a first photosensitive solder resist (PSR) covering the interconnections and defining a pad open region exposing portions of the interconnections, a second PSR covering the first PSR and having an opening exposing the pad open region. The opening of the second PSR is larger than the pad open region of the first PSR.
Ki, Youngsik. (2025). Circuit board having multiple solder resists and displaying apparatus having the same (U.S. Patent No. 12419149). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12419149
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile