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. 08, 2025

Filed:

Feb. 15, 2022
Applicant:

Samsung Display Co., Ltd., Yongin-si, KR;

Inventors:

Joon Yong Park, Gunpo-si, KR;

Gyung Min Baek, Yongin-si, KR;

Shin Il Choi, Hwaseong-si, KR;

Do Keun Song, Yongin-si, KR;

Young Rok Kim, Anyang-si, KR;

Jong Hyun Choung, Suwon-si, KR;

Assignee:

SAMSUNG DISPLAY CO., LTD., Yongin-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/12 (2006.01); H01L 23/00 (2006.01); H01L 25/16 (2023.01); H10D 86/01 (2025.01); H10D 86/40 (2025.01); H10D 86/60 (2025.01);
U.S. Cl.
CPC ...
H10D 86/60 (2025.01); H01L 25/167 (2013.01); H10D 86/021 (2025.01); H10D 86/441 (2025.01); H01L 24/24 (2013.01); H01L 24/25 (2013.01); H01L 2224/24147 (2013.01); H01L 2224/25175 (2013.01); H01L 2924/12041 (2013.01);
Abstract

A display device includes conductive layers including wires and conductive patterns in a display area and a pad area, a via layer on the conductive layers, a first electrode and a second electrode on the via layer in the display area and spaced apart from each other, a first insulating layer on the first electrode and the second electrode, light emitting elements on the first electrode and the second electrode spaced apart from each other on the first insulating layer, and a first connection electrode on the first electrode and electrically contacting the light emitting elements, and a second connection electrode on the second electrode and electrically contacting the light emitting elements, each of the conductive layers includes a first metal layer and a second metal layer on the first metal layer, and the second metal layer contains copper and has a grain size of about 155 nm or less.


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