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:
Jun. 17, 2025

Filed:

Sep. 07, 2023
Applicant:

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

Inventors:

Dong Min Lee, Anyang-si, KR;

Sang Woo Sohn, Yongin-si, KR;

Do Keun Song, Yongin-si, KR;

Sang Won Shin, Yongin-si, KR;

Hyun Eok Shin, Gwacheon-si, KR;

Su Kyoung Yang, Hwaseong-si, KR;

Kyeong Su Ko, Hwaseong-si, KR;

Sang Gab Kim, Seoul, KR;

Joon Geol Lee, Jeollabuk-do, KR;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 59/131 (2023.01); H10D 86/01 (2025.01); H01L 21/02 (2006.01);
U.S. Cl.
CPC ...
H10K 59/1315 (2023.02); H10D 86/021 (2025.01); H01L 21/02068 (2013.01);
Abstract

Provided is a display device. The display device includes: a substrate; a gate line disposed on the substrate; a transistor including a part of the gate line; and a light-emitting element connected to the transistor, in which the gate line includes a first layer including aluminum or an aluminum alloy, a second layer including titanium nitride, and a third layer including metallic titanium nitride. An N/Ti molar ratio of the metallic titanium nitride may be in a range from about 0.2 to about 0.75.


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