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:
Aug. 05, 2025
Filed:
May. 12, 2021
Samsung Electronics Co., Ltd., Suwon-si, KR;
Changhoon Kwak, Hwaseong-si, KR;
Moonsub Kim, Suwon-si, KR;
Seokman Cho, Seoul, KR;
Myoungsun Ha, Suwon-si, KR;
Sujong Han, Suwon-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A light emitting device substrate includes an insulating layer, a plurality of upper pads spaced apart from each other in a matrix pattern on the insulating layer, a first circuit pattern inside the insulating layer, the first circuit pattern electrically connecting some of the plurality of upper pads to each other, a second circuit pattern inside the insulating layer, the second circuit pattern being under the first circuit pattern and electrically connected to the first circuit pattern, and a plurality of lower pads spaced apart from each other under the insulating layer, a number of the plurality of lower pads being smaller than a number of the plurality of upper pads, and at least one of the plurality of lower pads being electrically connected to two or more upper pads of the plurality of upper pads via the first circuit pattern and the second circuit pattern.