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. 01, 2025

Filed:

Aug. 24, 2021
Applicant:

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

Inventors:

Yoonkyoo Lee, Seoul, KR;

Heechoon Ahn, Yongin-si, KR;

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); C07F 7/08 (2006.01); C07F 15/00 (2006.01); C07K 7/08 (2006.01); C09K 11/06 (2006.01); H10K 85/30 (2023.01); H10K 85/40 (2023.01); H10K 50/11 (2023.01); H10K 85/60 (2023.01); H10K 101/00 (2023.01); H10K 101/10 (2023.01);
U.S. Cl.
CPC ...
H10K 85/40 (2023.02); C07F 7/0812 (2013.01); C07F 7/0814 (2013.01); C07F 15/0086 (2013.01); C09K 11/06 (2013.01); H10K 85/342 (2023.02); C07B 2200/05 (2013.01); C09K 2211/1018 (2013.01); C09K 2211/1044 (2013.01); C09K 2211/185 (2013.01); H10K 50/11 (2023.02); H10K 85/654 (2023.02); H10K 85/6576 (2023.02); H10K 2101/10 (2023.02); H10K 2101/90 (2023.02);
Abstract

An organic electroluminescence device of an embodiment includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the emission layer includes a first host compound represented by Formula 1, a second host compound represented by Formula 2, and a dopant compound comprising an organometallic complex including Pt, Au, or Cu as a central metal element, and may show improved life characteristics.


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