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:
Apr. 07, 2026
Filed:
Dec. 21, 2022
Samsung Display Co., Ltd., Yongin-si, KR;
Dong Min Lee, Anyang-si, KR;
Hyun Ah Sung, Suwon-si, KR;
Tae Wook Kang, Seongnam-si, KR;
Young Rok Kim, Anyang-si, KR;
Kyu Soon Park, Yongin-si, KR;
Joon Yong Park, Gunpo-si, KR;
Hyun Eok Shin, Gwacheon-si, KR;
Jong Hyun Choung, Suwon-si, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
A display device includes a display area and a pad area on a side of the display area, a plurality of conductive layers on a first substrate in the display area and the pad area and comprising a wiring and a conductive pattern, a via layer on the plurality of conductive layers, a plurality of electrodes on the via layer in the display area and spaced apart from each other, and a light emitting element on at least one of the plurality of electrodes. At least one of the conductive layers includes a first metal layer, a second metal layer on the first metal layer, and a third metal layer on the second metal layer. The second metal layer includes copper (Cu), the third metal layer includes a copper alloy, and a grain size of the third metal layer is smaller than a grain size of the second metal layer.