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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.:

US 12777841 B1

PDFFull Text
Date of Patent:
Oct. 27, 2026

Filed:

Nov. 21, 2022

Light-emitting device and electronic apparatus including the light-emitting device

Applicant:

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

Inventors:

Heejoo Ko, Yongin-si, KR;

Changwoong Chu, Yongin-si, KR;

Assignee:

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

Attorney:

Womble Bond Dickinson (US) LLP

Primary Examiner:

Robert S Loewe

Int. Cl.
CPC ...
H10K 50/11 (2023.01); C09K 11/06 (2006.01); H10K 85/30 (2023.01); H10K 85/40 (2023.01); H10K 85/60 (2023.01); H10K 50/13 (2023.01); H10K 101/10 (2023.01); H10K 101/30 (2023.01);
U.S. Cl.
CPC ...
H10K 85/654 (2023.02); C09K 11/06 (2013.01); H10K 85/346 (2023.02); H10K 85/40 (2023.02); H10K 85/6572 (2023.02); C09K 2211/1044 (2013.01); C09K 2211/185 (2013.01); H10K 50/11 (2023.02); H10K 50/13 (2023.02); H10K 2101/10 (2023.02); H10K 2101/30 (2023.02);
Abstract

Provided is a light-emitting device which may include a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes a host and a dopant, the host includes a first compound and a second compound, the dopant includes a third compound and a fourth compound, the first compound, the second compound, the third compound, and the fourth compound are different from each other, the third compound is a platinum-containing organometallic compound, the platinum-containing organometallic compound includes platinum and a first ligand bonded to the platinum, the first ligand includes a carbene group, the carbon of the carbene group and the platinum are bonded together, and Expression 1 is satisfied, which is explained in the specification.

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Quick Actions:

Ko, Heejoo. (2026). Light-emitting device and electronic apparatus including the light-emitting device (U.S. Patent No. 12777841). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12777841

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